TYS - PHL

$91 Find Cheap Flights from Knoxville to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Philadelphia departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to Philadelphia, as well as popular online travel agencies
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Cheap Flight Deals from Knoxville to Philadelphia (TYS-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Knoxville to Philadelphia

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Knoxville to Philadelphia.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
4:23 pm - 5:05 amTYS-PHL
12h 42m1 stop
6:40 am - 3:43 pmPHL-TYS
9h 03m1 stop
$180Frontier
Find Deal
Thu, Mar 27 - Sun, Mar 30
6:30 pm - 9:13 pmTYS-PHL
26h 43m1 stop
7:12 pm - 5:55 pmPHL-TYS
22h 43m1 stop
Tue, Apr 1 - Tue, Apr 8
5:00 pm - 8:51 pmTYS-PHL
3h 51m1 stop
7:25 pm - 11:48 pmPHL-TYS
4h 23m1 stop
$211Delta
Find Deal
Tue, Apr 8 - Wed, Apr 16
1:05 pm - 8:46 amTYS-PHL
19h 41m1 stop
6:00 am - 5:35 pmPHL-TYS
11h 35m1 stop
Fri, Mar 28 - Mon, Mar 31
3:52 pm - 4:40 pmTYS-PHL
24h 48m1 stop
1:29 pm - 9:08 pmPHL-TYS
7h 39m1 stop
Thu, May 1 - Sat, May 3
7:29 pm - 12:48 amTYS-PHL
5h 19m1 stop
5:20 am - 9:21 amPHL-TYS
4h 01m1 stop
$236Delta
Find Deal
Thu, Apr 10 - Tue, Apr 15
7:17 am - 4:56 pmTYS-PHL
9h 39m1 stop
6:02 am - 3:24 pmPHL-TYS
9h 22m1 stop
$367American Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
11:03 am - 12:55 pmTYS-PHL
1h 52mnonstop
3:40 pm - 5:40 pmPHL-TYS
2h 00mnonstop
$396American Airlines
Find Deal
Thu, May 1 - Sat, May 3
7:00 am - 2:10 pmTYS-PHL
7h 10m2 stops
6:41 am - 1:22 pmPHL-TYS
6h 41m1 stop
$450United Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
7:00 am - 2:10 pmTYS-PHL
7h 10m2 stops
10:43 am - 10:22 pmPHL-TYS
11h 39m2 stops
$455United Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26

Expert advice for your flight from Knoxville to Philadelphia

Our travel pros reveal their best tips for your Knoxville to Philadelphia journey.
Airlines
British Airways

BA's economy fares include a decent carry-on bag, avoiding surprise payments during booking.


BA's cabin crew are professional and proactive, enhancing the flight experience.

American Airlines

Consider Basic Economy for budget-friendly travel with carry-on only and no seat assignment until check-in.


Use Main Cabin Extra for early boarding and complimentary drinks, ideal for longer flights.

Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

Flights from Knoxville to Philadelphia - Travel Insights & Trends

Get data-powered insights and trends into flights from Knoxville to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Knoxville to Philadelphia?

The average price of all round-trip flights from Knoxville to Philadelphia clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Philadelphia on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Knoxville to Philadelphia. For your return ticket, we recommend flying on a Tuesday and avoiding Fridays for the best deals.

What is the cheapest month to fly from Knoxville to Philadelphia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Knoxville to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Knoxville to Philadelphia is June, where tickets cost $188 (return) on average. On the other hand, the most expensive months are April and March, where the average cost of round-trip tickets is $507 and $484 respectively.

How far in advance should I book a flight from Knoxville to Philadelphia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Knoxville to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Knoxville to Philadelphia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low season

January

High season

May

Cheapest flight

$91
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly and prices are also 20% lower on average.
Flight from Knoxville to Philadelphia

When to book flights from Knoxville to Philadelphia

Are your dates flexible? Find out the best times to travel from Knoxville to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Knoxville to Philadelphia

  • What is the cheapest flight from Knoxville to Philadelphia?

    In the last 3 days, the lowest price for a flight from Knoxville to Philadelphia was $91 for a one-way ticket and $180 for a round-trip.

  • Do I need a passport to fly between Knoxville and Philadelphia?

    A passport is not required to fly from Knoxville to Philadelphia.

  • Which airlines offer Wi-Fi service onboard planes from Knoxville to Philadelphia?

    All the following airlines offer inflight Wi-Fi service on the Knoxville to Philadelphia flight route: American Airlines, Virgin Atlantic, KLM, WestJet, Delta, Air Canada, Air France, and JetBlue.

  • Which aircraft models fly most regularly from Knoxville to Philadelphia?

    The Embraer ERJ-145 is the aircraft model that flies most regularly on the Knoxville to Philadelphia flight route.

  • Which airline alliances offer flights from Knoxville to Philadelphia?

    oneworld is the only airline alliance operating flights between Knoxville and Philadelphia.

  • On which days can I fly direct from Knoxville to Philadelphia?

    There are nonstop flights from Knoxville to Philadelphia on a daily basis.

  • Which is the best airline for flights from Knoxville to Philadelphia, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Knoxville to Philadelphia are Delta and United Airlines. With an average price for the route of $373 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $300 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Knoxville to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Knoxville with another airline. Booking your flights between Knoxville and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Knoxville to Philadelphia

  • Looking for a cheap flight? 25% of our users found flights on this route for $359 or less one-way and $495 or less round-trip.

Prefer to fly direct from Knoxville to Philadelphia?

Find which airlines fly direct from Knoxville McGhee Tyson Airport to Philadelphia Airport, which days they fly and book direct flights.

Direct departures

Knoxville McGhee Tyson to Philadelphia

Monday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Tuesday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Wednesday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Thursday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Friday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Saturday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Sunday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

See more direct flights

Direct returns

Philadelphia to Knoxville McGhee Tyson

Monday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Tuesday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Wednesday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Thursday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Friday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Saturday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

Sunday

Alaska Airlines, American Airlines, British Airways, +1 more

Alaska Airlines, American Airlines, +2 more

See more direct flights
See more direct flights

Top 4 airlines serving from Knoxville to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 8070 reviews
8.5Crew
7.3Food
8.2Boarding
8.0Comfort
7.9Entertainment
Airline reviews

Delta is a premier airline so my expectations are most always met.

10.0 ExcellentGreg, Mar 2025PHX - MSP
Read more Delta reviews

Delta is a premier airline so my expectations are most always met.

Seats are much much more comfortable than United, which is what I usually fly

Zero updates from the pilots for 30 minutes in the tarmac

Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons

I loved having a most black flight crew during Black History Month; rather by design or accident I appreciated the representation. ❤️

This was the second flight this week with flight attendant Marcus I’m not sure if his last name is Lane or Lang but this guy is awesome. He funny, attentive and his service is 5 stars. Marcus makes business travel more enjoyable !

Although the flight left late, we arrived early. It was one of the quickest boarding and off boarding experiences I’ve had. It was kind of annoying the only drinks they had were water, coffee, and tea. The flight was very smooth, temperature was just right, and flight attendants were friendly.

Lower number on this flight so spaced out passengers. Able to enjoy more room to relax during flight. It was lovely.

Kind staff. Snacks are small but that’s the new normal.

The young man who was our flight attendant in first class was lazy and did not do his job well at all. Never offered drinks upon boarding - actually I take that back... said "are you okay with water" as if I do not want to get you anything else, only passed the snacks around once, got my drink order wrong and then never offered a second round of drinks. He was the worst I have ever seen on Delta and we fly a lot.

Delays took 2hours and thirty minutes making me miss my connecting flight and make me sit in the Chicago airport for 9 hours

Had a short delay once we boarded the aircraft in Chicago, but it was fixed in no time flat then we were on our way. The pilot was able to make up the time lost and we landed 5 minute later then schedualed . Great service

Pilot Erika DeLong made us feel safe and at ease in a frankly scary time to be flying. Her warm smile and greeting and excellent command of the aircraft in foggy bumpy weather helped us all to calm our nerves and get us home safely.

I don’t understand the purpose of the orange “priority” tag on my bag. This tagged, my bag is last or near to the last bag to come down the carousel at IAH.

The tv monitor in front of my seat was not responding. The flight crew reset it and it still didn’t work.

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

Terrible. First of all we were delayed 4 3/4 hours departing Honolulu. As we had to leave our condo and the rental car had to be returned we had to go to the airport. Even though we had a business class boarding pass to Washington, since we did not have business class to Montreal we could not access the lounge without paying a $59 fee each. This does not make sense to us. Since we could not meet our original connection United booked us to Montreal via New York LaGuardia on Air Canada. In Washington a further delay got us into LaGuardia too late to make our connection to Montreal so we were booked on another Air Canada flight 3 hours later. We were originally scheduled to arrive in Montreal at 10:40 and arrived at 19:55. A totally exhausting day, United did not offer a meal voucher or any type of compensation. Air Canada did give us a digital meal voucher. The food in United business class is poor among all meals offered. The pods look nice but are not that confortable. Overall would not fly on United again.

Plenty of room for me and the cat in Premium Economy. Seat was comfortable. Boarding was a breeze. The lady at the special check-in desk was great, super helpful and professional.

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

the pilot that landed this flight in Philadelphia did an amazing job, the weather was absolutely terrible and we landed safely.

The flight was just perfect! We left a few minutes early, had a smooth flight and fortunately had landed before the terrible accident that took off from North Philadelphia airport shortly thereafter.

Timely boarding process, made up for lost time even after a lengthy wait for de-icing

My seat was wonky...hard and not much padding. I sat next to the Jumpseat for the flight attendant. Thoroughly enjoyed not have a third seat in that row! Flight attendants were amazing. I couldn't answer the "food quality" question as there is no food served on my short flight. I commend the pilot as I know it was super gusty when we landed. Thanks

I think I paid for an extra legroom seat and to be honest, there was not a lot of space available for my not very long legs. The flight was totally full and the staff did everything possible to meet the needs of all passengers. My only concern was for the size and spacing of my seat.

I chatted with the captain before the flight, and similarly during the welcome announcement, he warned of a turbulent flight that may impact the in-flight service. However, once at altitude, he announced that the weather changed and he immediately turned off the seatbelt sign. But it appeared the cabin crew had already decided to take off this flight. They remained seated and then just chatted in the galley. The flight was fully catered, but only first class received service.

My flight attendant was attentive! The elderly person next to me was flatulent and the flight attendant could see that I was in distress and brought me some face masks

Overall flight was as expected. It would have been better with a couple options for snack instead of only one item and if there was a TV or music as option. But overall satisfied.

American switched my flight to a 5 hour layover then cancelled my whole reservation with no notice and refused refund. Won’t fly with them again.

AA is fabulous. However , Iberia cancelled our Boston - Barcelona flight the morning of the flight - 9/16/24. This was almost a week ago and we have still heard nothing from Iberia/Vueling. Found out from a kayak email that morning that the flight was cancelled. Iberia Customer service reps wouldn’t help us and said to call Vueling. No one answers phone at Vueling. Terrible wild goose chase on DAY OF TRAVEL. AA came to our rescue.

Early arrival. Great landing. Pilot updates. Too cold in plane.

Better to put road truck seat in plain it so uncomfortable can not adjustable and fill metal don’t have cushions at all it’s very hard to travel for five hours

Since they are a budget airline, I wasn’t expecting too much but they did some things well. They were on time, the plane was clean, boarding was fairly straightforward and the staff was cheerful and friendly. The only downside was comfort. The seats were fairly hard and after a 2 hour flight your rear end is not feeling so great. Maybe a little more cushion in the seats, Frontier!

They cancelled the flight and did nothing. I should be compensated for my uber rides to and from airport. Not a good service by frontier or kayak.

No frills for sure. No gate announcements about flight delay, not even water to drink on the flight.

food not having to pay for it, reclining seat would be nice, more leg room, HEAT!!!!!!!

An absolutely fraudulent experience. Extremely unprofessional. Terrible in all ways possible. Rude staff, flight attendants, and deceptive "policies."

The worst service , the agents from the counter are really bad . Poor customer service . They didnt help me to get in the flight . I was on line when they close the flight without telling and I couldn’t board the plane . I will like to get my money back ey back because it was their fault. Really bad management , bad manners, bad additud

The check in process was a mess for no reason. I spent an hour waiting in line trying to get them to print my boarding pass and as a result I missed my flight.

The airline used deceptive tactics to charge us more for our trip. Search Frontier Class Action Lawsuit to find out more or read the hundreds of reviews that have nearly identical stories.. don't fly this airline.. you've been warned.

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