$59 Find Cheap Flights from Atlanta to St. Charles

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Atlanta to St. Charles departing on 6/14. 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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Cheap Flight Deals from Atlanta to St. Charles (ATL-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Atlanta to St. Charles 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 Atlanta to St. Charles

KAYAK's recommended round-trip deals from the most popular airlines that fly from Atlanta to St. Charles.
Discover the best prices for you by selecting your travel dates on KAYAK.
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Frontier Logo
1:00 pm - 1:57 pmATL-STL
1h 57mnonstop
Frontier Logo
2:52 pm - 5:43 pmSTL-ATL
1h 51mnonstop
$118Frontier
Find Deal
Tue, Jun 24 - Tue, Jul 1
Frontier Logo
1:00 pm - 1:57 pmATL-STL
1h 57mnonstop
Frontier Logo
2:52 pm - 5:43 pmSTL-ATL
1h 51mnonstop
$120Frontier
Find Deal
Tue, Jun 17 - Sat, Jun 21
Delta Logo
5:22 pm - 6:02 pmATL-STL
1h 40mnonstop
Delta Logo
10:42 am - 1:17 pmSTL-ATL
1h 35mnonstop
$179Delta
Find Deal
Tue, Apr 29 - Wed, Apr 30
Southwest Logo
8:00 am - 8:40 amATL-STL
1h 40mnonstop
Southwest Logo
7:10 pm - 9:45 pmSTL-ATL
1h 35mnonstop
$197Southwest
Find Deal
Fri, Jun 20 - Mon, Jul 7
American Airlines Logo
6:13 pm - 9:24 pmATL-STL
4h 11m1 stop
American Airlines Logo
5:27 pm - 11:58 pmSTL-ATL
5h 31m1 stop
$199American Airlines
Find Deal
Tue, Apr 29 - Wed, Apr 30
Delta Logo
11:04 am - 11:45 amATL-STL
1h 41mnonstop
Delta Logo
5:32 pm - 8:15 pmSTL-ATL
1h 43mnonstop
$217Delta
Find Deal
Tue, Apr 22 - Thu, Apr 24
Spirit Airlines Logo
7:16 pm - 9:15 amATL-STL
14h 59m1 stop
Spirit Airlines Logo
10:10 am - 12:34 amSTL-ATL
13h 24m1 stop
$219Spirit Airlines
Find Deal
Fri, May 9 - Sun, May 11
Spirit Airlines Logo
9:16 am - 9:15 amATL-STL
24h 59m1 stop
Spirit Airlines Logo
10:10 am - 11:59 pmSTL-ATL
36h 49m2 stops
$226Spirit Airlines
Find Deal
Fri, May 9 - Sun, May 11
Southwest Logo
7:05 pm - 10:10 pmATL-STL
4h 05m1 stop
Southwest Logo
6:40 pm - 9:10 pmSTL-ATL
1h 30mnonstop
$227Southwest
Find Deal
Wed, Apr 30 - Wed, May 7
American Airlines Logo
5:30 pm - 10:12 pmATL-STL
5h 42m1 stop
American Airlines Logo
7:04 am - 1:14 pmSTL-ATL
5h 10m1 stop
$237American Airlines
Find Deal
Tue, Apr 22 - Thu, Apr 24

Good to know

Low season

January

High season

April

Cheapest flight

$59
Best time to beat the crowds with an average 0% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Atlanta to St. Louis

When to book flights from Atlanta to St. Charles

Are your dates flexible? Find out the best times to travel from Atlanta to St. Charles based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

FAQs for booking flights from Atlanta to St. Charles

  • Which airports will I be using when flying from Atlanta to St. Charles?

    When flying out of Atlanta you’ll be using Atlanta Hartsfield-Jackson. St. Charles does not have its own airport so you’ll be flying into nearby Lambert-St Louis airport, which is 7.2 mi away.

  • How long does a flight from Atlanta to St. Charles take?

    Direct flights cover the 484 miles separating Atlanta and St. Charles in about 1h 37m.

  • How many flights are there between Atlanta and St. Charles?

    59 direct flights run between Atlanta and St. Charles on a daily basis. On average, there are about 416 departures each week.

  • What’s the cheapest day of the week to fly between Atlanta and St. Charles?

    Consider leaving on a Tuesday and avoid Thursdays if you are looking for the best rates. For your return to Atlanta, you’ll find the best rates on Saturdays and the most expensive ones on Thursdays.

  • How does KAYAK find such low prices on flights from Atlanta to St. Charles?

    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 Atlanta to St. Charles.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Atlanta to St. Charles?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Charles from Atlanta 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 Atlanta to St. Charles?

    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 St. Charles with an airline and back to Atlanta with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Atlanta to St. Charles?

    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 St. Charles from Atlanta up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Atlanta to St. Charles?

    In the last 72 hours, the cheapest one-way ticket between Atlanta and St. Charles found on KAYAK was with Frontier for $59. Frontier offered a round-trip connection from $118 and Delta from $179.

See more FAQs

Top tips for finding cheap flights from Atlanta to St. Charles

  • There is no airport in St. Charles. Instead, you’ll be flying into St. Louis Lambert Airport when flying between Atlanta and St. Charles.
  • The cheapest flight from Atlanta to St. Charles was found 89 days before departure, on average.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is August.
See more tips

Top 5 airlines serving Atlanta to St. Charles

Need help choosing which airline to fly with from Atlanta to St. Charles? 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
SouthwestOverall score based on 4277 reviews
8.2Boarding
7.6Entertainment
8.7Crew
7.1Food
8.0Comfort
Airline reviews

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

6.0 GoodCarolynn, Mar 2025KOA - SMF
Read more Southwest reviews

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

1.5 hour delay, poor service, no compassion from the crew. Terrible experience

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Short flight with plenty of open seats. Drinks and snacks were still provided even on such a short flight. <1 hr

I liked the crew member who gave flight instructions on "in case of a problem:. The seats are so small that only a young teenager could sit in middle seat.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Very good. Sad to learn Southwest is going start to charge for bags

Our flight was diverted from being a non-stop to getting within 150 miles and requiring another plane. We heard 4 or 5 different versions from SW as to why we had to stop, then wait for a replacement plane. Five hour delay, weather did not come up as a single excuse.... communication was not clear and well explained. No one really took charge!

My flight to Chicago left and landed early. My return flight left two minutes late and arrived 2 minutes late. My seat selections were ideal! There were no snacks going to Chicago and no snacks on the return trip. There are no charging outlets on board.

WiFi on the flight was not working. Thus, entertainment options were limited.

Overall, it was okay. Seat was a little cramped. Would’ve liked more substantial snacks or opportunity to buy some.

I was with one of the last zones to board. It was kind of annoying to finally get called to board and my whole section was already on the plane. Clearly they boarded with previous zones. So by the time I got on board, there were no spaces for my luggage above my head. I had to put my luggage 4+ rows behind me, which meant that I had to wait even longer to get off the plane, since I had to wait for those rows to clear the aisle before I could retrieve my luggage and exit the plane. This also held up the plane cleaners, as they couldn't service my row until I cleared it, so they were all standing there waiting for me, while I'm standing there waiting for the other passengers to clear the aisle. Anyways, I wasn't in a rush this time, so I just waited, but I could see that being a problem in the future. Now, I could have checked my luggage, of course, but coincidentally, a friend of mine on the same flight got their luggage damaged (wheel completely knocked off) and was told by the Baggage Attendant in the airport that Delta doesn't "cover wheel damage" on luggage. This was disappointing to hear. I'm glad I didn't check mine through. If it were my luggage, I'd be highly frustrated to hear that. It makes me not want to check my luggage in the future.

Great flight. On-time, comfortable, clean aircraft, and offered snacks pre-flight to plan for a potentially turbulent route. I wish there was Wi-Fi an all Delta Aircrafts but for a short flight this is not much of a problem.

Delayed in taking off because no flight crew. The in seat entertainment was working properly.

Flight did not have seat back entertainment and the wifi was iffy.

The seats are uncomfortable, feels like a small seat pad on plywood.

Wifi did not work and they only served water, coffee, or tea.

Airline lost my luggage and set me back a day worth of travel due to having to stay in Denver to wait on my luggage

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

The Gate Attendant @ Gate B36 was rude The flight was good but the entertainment system was not functioning as expected. The snacks were ok but could be better The flight crew was excellent.

The trip was very smooth and they provided great customer service

The plane was late and then sat on the runway for almost 45 minutes before taking off.

Wonderful as usual except for other guests that were unruly and not kept in check by the Crew.

The flight was initially delayed, then cancelled. American Airlines says the cancellation was weather related, though the actual weather was not bad in both Washington and Providence and between. There were very few cancellations that day. In fact, AA2120 from Washington, DC to Boston flew with a minor delay at about the same time. So, the weather somehow affected only this particular flight AA5230. The next available flight was the following morning. The American Airlines refused to reimburse accommodation (hotel at DCA)

I have long legs, my foot was out in the aisle and when a flight attendant came walking by and I didn't notice, instead of saying "excuse me" or anything like that, she kicked my foot. Extremely rude

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Fine. On time, cabin service was fine, bag arrived. All good. Flying into DCA so did not collide with any helicopters, which is also good. Horrid incident that could have and should have been prevented.

Cabin was roomy enough to easily slide my carry on under the seat in front of me!

Everything was fine. Flight boarded and departed on time. Seating was spacious enough for my carryon to fit under the seat in front of me. No complaints at all. Flight even arrived early.

We kept being told that the flight was full and that all overhead compartments were full and therefore had to check in our hand luggage. We were some of the last people to board and noticed that there was still sufficient space in the overhead compartments. We were obliged to check in hand luggage when there was space and so had to wait at luggage retrieval which took a while to then noticed damage to our luggage - not a great experience!

We had a wonderful flight due to the care of our experienced pilot and copilot and the magnificent air views from our comfortable seats. What excitement to be in such a small plane with such magnificent around us.

Multiple time changes, then we left earlier than we were told.

Communication could be better but the staff and crew were over the top friendly and helpful, The flight itself was smooth.

flight was cancelled literally at 10pm the night before an early morning flight with hardly any time to reschedule. Will never book with kayak again.

My flight was cancelled 12 hours before takeoff. I was not able to reschedule another flight to make connections and had to cancel the entire trip. The ticket that was supposed to replace the cancelled flight had no boarding pass and I was unable to get one at the airport so I was denied access to the rescheduled flight. I was refunded but I missed my daughter's birthday.

I had a family emergency and couldn’t make the flight, and they wouldn’t let me cancel/refund it (a *month* ahead of time), were especially difficult with me on the phone, and wouldn’t let me even so much as reschedule the flight or get credit.

Flight was cancelled, communication was poor and should have canceled flight much earlier.

Flight was cancelled twice. Moved four more times. Probably the least timely and poorly run airline I have ever experienced in my life. I have traveled hundreds of times to dozens of countries and this one takes the cake.

Excellent crew, good flight. Flight was delayed about 1 1/2 hours though.

Pros: "The ground crew and flight crew were great."
Cons: "Would have appreciated easier steps (lower risers) for boarding. Arthritic knee makes it hard for me to manage the high risers between steps. Also having armrests would have made the flight more comfortable."

Cancelled and declined to find alternatives Earlier flight is 2 days later Sent the cancellation notification very late, wish I knew earlier would have stayed to watch the Miami open final game Very disappointing service

The worst flight of my life. Never will I fly frontier again

Landing in terminal 2, but my luggage is terminal 3. We (and others) were looking for it in terminal 1. We probably missed the crew broadcast, but the communication could have been clearer for non native (or elderly) passengers.

I chose the seats when booked the flight and paid for them. However after checking in I found we were assigned different seats!

Bag should not be so much money. This is how Frontier takes advantage of customers

The plane was comfortable. The time to board was way too slow and very unorganized! The crew was not as friendly as normally. The was not a single time that they offered water nor anything!!!

They switched my flight to Spirit, Never using Kayak again,

i was denied boarding, even though i had an assigned seat, checked in on line and was at airport early. Then they refused to fully refund the the fair and replacement fair because they claimed it was "no show/denied boarding". I will never fly this airline again

I was not permitted on my flight and had to purchase another flight ticket to Las Vegas.

This was a full flight and I was in Zone 1, however upon boarding, several other zones went in ahead of me, leaving no overhead cabin space near my seat. This created a challenging disembarkment process.

Everything you need to know for your flight from Atlanta to St. Charles

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