Cheap flights from Seattle to Saint Louis
Travel > North America > United States > Seattle to Saint Louis flights
Travel tip: Anyone who loves beer should go to one of the Anheuser Busch Brewery Tour. There is a complimentary tour, which is shorter and free, plus free beer samples at the end, and there is the Beermaster Tour which goes behind-the-scenes of making this amazing beer. The staff really knows their stuff, they are highly professional and answer all your questions. The beer is amazing, really tasty and to see how everything's made is just awesome. Highly recommendable.Check our current prices for flights from Seattle to Saint Louis. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to Saint Louis, you will need to run a search below.
Search and Compare cheap Flights

Book your flight now with Cheapoair.com and save!
Cheap Saint Louis airfares from $178/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/08/2023, 07:59 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at St. Louis Intl (STL) at 01:07 pm. The flight time is 17 hours and 8 minutes. The Returning flight departes on 02/16/2023, 08:38 pm (other return dates are also available). Date posted: 20 Dec 2022
Price evolution for flights From Seattle To Saint Louis

Recent Deals on Flights from Seattle to Saint Louis:Roundtrip / Oneway
- $178
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 02/08/2023 07:59 pm Saint Louis, MO (STL) Seattle, WA (SEA) 02/16/2023 08:38 pm - $194
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 02/08/2023 07:59 pm Saint Louis, MO (STL) Seattle, WA (SEA) 02/16/2023 01:57 pm - $208
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/27/2023 06:54 pm Saint Louis, MO (STL) Seattle, WA (SEA) 04/03/2023 01:57 pm - $222
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/27/2023 06:38 pm Saint Louis, MO (STL) Seattle, WA (SEA) 04/03/2023 01:57 pm - $248
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 02/25/2023 06:37 pm Saint Louis, MO (STL) Seattle, WA (SEA) 03/02/2023 11:55 am - $60
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/01/2023 07:03 pm - $90
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/01/2023 06:37 pm - $164
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/03/2023 12:16 pm - $216
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/03/2023 01:55 pm - $218
Alaska Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Saint Louis, MO (STL) 03/03/2023 11:59 pm
Recently found cheap flight deals
Shreveport To London British Airways airfares from Shreveport in March
$1376 Depart: 03/31/2023
Return: 04/09/2023
provided by Cheapoair.com
Toronto To Doha Multiple Airlines airfares from Toronto in February
$1345 Depart: 02/14/2023
Return: 02/22/2023
provided by Cheapoair.com
New York City To Corpus Christi Alaska Airlines airfares from New York City in December
$4000 Depart: 12/23/2020
Return: 01/06/2021
provided by Cheapoair.com
Phoenix To Shannon Multiple Airlines airfares from Phoenix in February
$895 Depart: 02/05/2023
Return: 02/18/2023
provided by Cheapoair.com
Minneapolis To Rome Multiple Airlines airfares from Minneapolis in January
$834 Depart: 01/19/2023
Return: 01/25/2023
provided by Cheapoair.com
Buffalo To Edmonton Alaska Airlines airfares from Buffalo in February
$614 Depart: 02/10/2021
Return: 02/16/2021
provided by Cheapoair.com
Oakland To Ontario, CA Alaska Airlines airfares from Oakland in February
$434 Depart: 02/20/2023
Return: 03/02/2023
provided by Cheapoair.com
Las Vegas To Winnipeg Multiple Airlines airfares from Las Vegas in August
$469 Depart: 08/03/2020
Return: 08/13/2020
provided by FlyFar
Westchester County To Philadelphia Jetblue Airways airfares from Westchester County in December
$1139 Depart: 12/24/2020
Return: 12/29/2020
provided by Cheapoair.com
Specify your search details. Browse the cheapest flights from Seattle to Saint Louis, Saint Louis hotel rooms and Seattle to Saint Louis vacation packages from the most popular providers, airline consolidators and travel search engines.
Know what to do when flying to Saint Louis?
Saint Louis Travel Guide In 1764, René Augusta Chouteau and Pierre Laclede established Saint Louis as a fur trading post, after Louis IX, the king of France. The Soulard Farmer’s Market, which was founded in 1779, is in operation till date and prides [...]Saint Louis History Saint Louis, which belongs to the state of Missouri, is the second largest city in the state and has a rich history behind it. The city traces its roots back to the year 1763. It was founded by Pierre LaClede. He founded the city as a place [...]
Saint Louis Sightseeing Saint Louis is located in the state of Missouri and happens to be the second largest city in the state. It is also referred to as the ‘Gateway City’ by many people. The city experiences a large footfall of visitors from all over the world [...]
Saint Louis Nightlife Saint Louis is one of the famous cities in Missouri and has a lot of attractions for tourists to enjoy. It provides everyone with many opportunities to spend quality time. People can not only enjoy visiting the various tourist spots that are [...]