SEA - STI

$601 Find Cheap Flights from Seattle to Santiago de los Caballeros

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Santiago de los Caballeros departing on 4/25. 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.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Santiago de los Caballeros

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Santiago de los Caballeros, 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 Seattle to Santiago de los Caballeros, as well as popular online travel agencies
In the last 7 days travelers have searched 46,646,933 times on KAYAK, and here is why:

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Cheap Flight Deals from Seattle to Santiago de los Caballeros (SEA-STI)

 
These are the cheapest deals for flights from Seattle to Santiago de los Caballeros currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. 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 Seattle to Santiago de los Caballeros

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Seattle to Santiago de los Caballeros.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
10:55 pm - 12:04 pmSEA-STI
10h 09m1 stop
6:50 am - 11:59 pmSTI-SEA
20h 09m2 stops
$601Delta
Find Deal
Fri, Apr 25 - Tue, Apr 29
4:30 pm - 2:20 pmSEA-STI
17h 50m2 stops
2:53 pm - 10:59 amSTI-SEA
24h 06m2 stops
$606American Airlines
Find Deal
Tue, Feb 11 - Fri, Feb 21
11:50 pm - 1:46 amSEA-STI
22h 56m2 stops
6:00 am - 12:51 amSTI-SEA
21h 51m2 stops
$626United Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
12:40 am - 5:18 pmSEA-STI
13h 38m2 stops
6:50 am - 10:25 pmSTI-SEA
18h 35m2 stops
$688Delta
Find Deal
Thu, Apr 24 - Tue, Apr 29
6:10 am - 2:44 amSEA-STI
16h 34m3 stops
6:00 am - 10:42 pmSTI-SEA
20h 42m2 stops
$701United Airlines
Find Deal
Tue, Feb 11 - Fri, Feb 21
10:17 pm - 2:20 pmSEA-STI
12h 03m1 stop
2:53 pm - 9:34 amSTI-SEA
22h 41m2 stops
$718American Airlines
Find Deal
Tue, Feb 11 - Fri, Feb 21
5:28 pm - 4:59 pmSEA-STI
19h 31m2 stops
11:09 am - 12:10 amSTI-SEA
41h 01m3 stops
$757Spirit Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 6
5:28 pm - 4:59 pmSEA-STI
19h 31m2 stops
11:09 am - 2:53 pmSTI-SEA
31h 44m2 stops
$822Spirit Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 6
1:50 pm - 4:48 amSEA-STI
10h 58m1 stop
4:25 am - 2:10 pmSTI-SEA
13h 45m1 stop
$929JetBlue
Find Deal
Fri, Jan 3 - Thu, Jan 9
1:50 pm - 4:48 amSEA-STI
10h 58m1 stop
4:25 am - 2:10 pmSTI-SEA
13h 45m1 stop
$992JetBlue
Find Deal
Sun, Jan 5 - Sat, Jan 11

Flights from Seattle to Santiago de los Caballeros - Travel Insights & Trends

Get data-powered insights and trends into flights from Seattle to Santiago de los Caballeros to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seattle to Santiago de los Caballeros?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Santiago de los Caballeros, 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 Seattle to Santiago de los Caballeros is January, where tickets cost $486 on average. On the other hand, the most expensive months are December and June, where the average cost of tickets is $1,059 and $950 respectively.

Good to know

Low season

October

High season

February

Cheapest flight

$601
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Seattle to Santiago de los Caballeros

When to book flights from Seattle to Santiago de los Caballeros

Are your dates flexible? Find out the best times to travel from Seattle to Santiago de los Caballeros 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 Seattle to Santiago de los Caballeros

  • What is the cheapest flight from Seattle to Santiago de los Caballeros?

    In the last 3 days, the lowest price for a flight from Seattle to Santiago de los Caballeros was $601 for a round-trip ticket.

  • Do I need a passport to fly between Seattle and Santiago de los Caballeros?

    Yes

  • Which airports will I be using when flying from Seattle to Santiago de los Caballeros?

    On your way to Santiago de los Caballeros, you’ll fly out from Seattle/Tacoma Intl. You’ll be landing at Santiago de los Caballeros.

  • Which aircraft models fly most regularly from Seattle to Santiago de los Caballeros?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Santiago de los Caballeros?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Seattle and Santiago de los Caballeros, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Santiago de los Caballeros, Delta or American Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Santiago de los Caballeros are Delta and American Airlines. With an average price for the route of $730 and an overall rating of 8.0, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $685 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Seattle to Santiago de los Caballeros?

    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 Seattle to Santiago de los Caballeros.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Santiago de los Caballeros?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Santiago de los Caballeros from Seattle 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 Seattle to Santiago de los Caballeros?

    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 Santiago de los Caballeros with an airline and back to Seattle with another airline. Booking your flights between Seattle and STI 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 Seattle to Santiago de los Caballeros?

    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 Santiago de los Caballeros from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Seattle to Santiago de los Caballeros

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Santiago de los Caballeros. 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 Seattle to Santiago de los Caballeros? 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 8755 reviews
7.9Comfort
7.3Food
8.5Crew
7.9Entertainment
8.2Boarding
Airline reviews

I sat in comfort plus. It was fine. Seats were comfortable. I got drinks and snacks.

8.0 ExcellentAndrew, Nov 2024MCO - LGA
Read more Delta reviews

I sat in comfort plus. It was fine. Seats were comfortable. I got drinks and snacks.

Crew was nice. Flight was timely. Seats could be better as well as the food considering it’s first class.

Left on time and arrived early this extending our 31 minute transfer. Bags made it also!

Good and consistent Printer in lounge did not work for me :(

Most of my discomfort was going through TSA. However, the Delta seats had inadequate leg room and I tried my very best to connect to the wi-fi and it was a cumbersome process that finally gave me the info that I needed to sign in AFTER I had completed the flight...Why make it so difficult to use? That said I really really appreciate the pilot taking a little extra time to avoid a bad storm area and both landings in Atlanta and Orlando were flawless to my delight!!!

Bottom seat cushion is almost non existent. Very uncomfortable seat.

Coach seating is debilitating, neither my husband or I can walk the following day

It was NOT pleasant. Started from checking our luggage to the last time getting off the plane. The crew was not friendly, the food was horrible and the seats were too close to each other that I got a bruise on my knee.

Late departure due to large number of wheel chair patrons. Used to having a box of snacks to select from in comfort plus. The flight attendant just rattled off what was available and asked us to pick. Felt rushed and uncomfortable. Seat was great. Prefer having the screen on the seat in front of me instead of having to pull it up from the seat side. Lots of room for my carryon under the seat in front of me.

The flight was canceled two hours before departure, it took over five hours to rebook us on another flight.

Finding the gate was very confusing. Our boarding pass listed one gate and the staff verbally told us a different gate.

Plenty of overhead space but forced to check my carry-ons both legs

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

It was as expected for such a short flight. No complaints

The departing flight from Newark to Charlotte was fine. It was the returning flight from Charlotte to Newark that was awful. We had scheduled an 8:35pm return flight time. We got delayed TEN times all the way to 5am in the morning! We were told over 4 different excuses as to why the flight kept getting delayed. First it was the flight crew needed to rest, then it was something technical with the plane, then it was something with air traffic control, and finally it was because they couldn’t find a captain and had to wait until the morning so the captain could get some rest. It was terrible sleeping overnight in the airport. They offered a $12 meal voucher. That was it! And the only place open in the middle of the night was Dunkin’ Donuts who didn’t even accept the voucher. They should have cancelled the flight much earlier on in the evening instead of just stringing us along hour by hour with more delays. Not professional and unacceptable. There was no refund for inconvenience. I probably will not be flying American Airlines again.

This leg they tried and did well with what they had to work from.

It was nice being on a flight that had working wifi. The boarding was quick - why don’t all airlines have small boarding groups window to aisle? Makes so much sense!!! I was disappointed to be the first person stopped to have to gate check my carryon. Especially when there was plenty of overhead space at the back! But I get it…keeps it moving. Crew was nice.

The flight was as good as it gets when flying. On time departure and arrival plus no lost luggage.

My boarding pass wouldn't pull up in the app very easily and had to really dig through my email. That caused a delay in TSA..

Packed commercial flight was as comfortable as can be expected

Book cheap flights from Seattle to Santiago de los Caballeros

One-way flight deals

multi-stopMultiple Airlines
3466 miSEA-STI

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Last minute flights from Seattle to Santiago de los Caballeros

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Santiago de los Caballeros that are departing in the next 10 days.
11/22Fri
multi-stopUnited Airlines
14h 00mSEA-STI
11/29Fri
multi-stopUnited Airlines
13h 48mSTI-SEA
$974
11/22Fri
multi-stopAmerican Airlines
11h 58mSEA-STI
11/29Fri
multi-stopAmerican Airlines
12h 23mSTI-SEA
$1,154
11/22Fri
multi-stopUnited Airlines
21h 58mSEA-STI
11/29Fri
multi-stopUnited Airlines
34h 05mSTI-SEA
$1,953

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Everything you need to know for your flight from Seattle to Santiago de los Caballeros

Information on your arrival and departure airports

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