Cheap flights Seattle — Saint Louis (SEA — STL)

Good to know - Cheap tickets Seattle — Saint Louis

Cheapest flight found $194
Minimal flight time 3h 34m
Flight distance 2769 km
Most popular airline Alaska Airlines

Airfare Seattle – Saint Louis by month

Here you can find out in what months how much a ticket Seattle – Saint Louis costs to buy cheap plane tickets.

Month One-way Round-trip
September 2025
July 2025
May 2025
April 2025
October 2024
September 2024
August 2024
July 2024

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Seattle — Saint Louis

Departure Arrival Flight days Flight Airlines Flight time Airports
08:00 13:53 mon, tue, wed, thu, fri, sun AS381 Alaska Airlines 3h 53m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
08:26 14:25 mon, tue, thu, fri, sat, sun AS503 Alaska Airlines 3h 59m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
08:32 14:26 daily AS388 Alaska Airlines 3h 54m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
08:45 14:35 sat WN1242 Southwest Airlines 3h 50m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
11:05 16:55 mon, thu, fri WN1242 Southwest Airlines 3h 50m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
11:30 17:30 tue, wed WN1242 Southwest Airlines 4h 0m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
12:46 18:35 mon, tue, wed, fri, sat AS291 Alaska Airlines 3h 49m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
13:30 19:04 thu, fri SY8722 Sun Country Airlines 3h 34m Boeing Field International Airport — Lambert-St. Louis International Airport Select dates
18:03 23:59 mon, tue, wed, thu, sat AS472 Alaska Airlines 3h 56m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
18:04 23:59 daily AS472 Alaska Airlines 3h 55m Seattle-Tacoma International Airport — Lambert-St. Louis International Airport Select dates
All routes

Flights Seattle — Saint Louis

The selection of cheap flights Seattle — Saint Louis

Here you can find and purchase the cheapest flights Seattle — Saint Louis from $194 and Seattle — Saint Louis — Seattle from $188.

The price of the flight Seattle — Saint Louis (United States) — Seattle from $188 (round-trip).

The average price of the flight Seattle — Saint Louis (United States) — Seattle $312 (round-trip).

Low cost flights Seattle — Saint Louis (SEA — STL)

The distance between Seattle and Saint Louis 1721 miles (or 2769 kilometres).

The time difference between Seattle and Saint Louis is 2 h.

Minimal flight time from Seattle to Saint Louis 3h 34m.

LowCostClub always do a comparison of airfares Seattle — Saint Louis with several airlines (include Alaska Airlines, Southwest Airlines, Sun Country Airlines). They will always give you all available options so you can find the cheapest flight to Saint Louis. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Seattle — Saint Louis. Last week, for instance, the cheapest round-trip prices stood at $188 while the cheapest one-way price that was available within the last week cost $194

Routes from nearby cities to Saint Louis

A flight from a neighbouring city can help you save money on plane tickets.

The most frequent flight to Saint Louis is from Bellingham. The cheapest airfare can be purchased with a flight from Portland from $109. The nearest airports from Seattle with a flight to Saint Louis are in Pasco.

Popular International routes from Seattle

Popular routes from Saint Louis

If you are going to fly from Saint Louis, then study the popular flights. The most popular flights from Saint Louis:

Popular domestic routes from Seattle

FAQ about Seattle — Saint Louis

Yes, they do: AS381, AS503, AS388, WN1242, AS291, SY8722, AS472, AS238, SY8728

Yes, you can fly from Seattle to Saint Louis. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. Alaska Airlines, Southwest Airlines, Sun Country Airlines depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada Express, American Eagle, Atlas Air, Delta Connection, DHL, FedEx, Frontier (Crystal the Florida Manatee Livery), Jet Linx Aviation, Kalitta Charters, Lufthansa, NetJets, New Pacific Airlines, Phoenix Air, SkyWest Airlines, Southern Airways Express, Spirit Airlines, United Airlines, UPS.

A direct flight lasts an average of 3h 34m, during which time the aircraft covers a distance of 2769 km.

The price of flights Seattle — Saint Louis starts from $194.

Planes fly Seattle — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport.

The following flights fly between Seattle and Saint Louis: AS381, AS503, AS388, WN1242, WN1242, WN1242, AS291, SY8722, AS472, AS472, AS238, AS472, SY8728

High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — Saint Louis flight deals.

The following airlines have direct flights Seattle — Saint Louis: Alaska Airlines, Southwest Airlines, Sun Country Airlines.

All the following airlines flights Seattle — Saint Louis: Air Canada Express, Alaska Airlines, American Eagle, Atlas Air, Delta Connection, DHL, FedEx, Frontier (Crystal the Florida Manatee Livery), Jet Linx Aviation, Kalitta Charters, Lufthansa, NetJets, New Pacific Airlines, Phoenix Air, SkyWest Airlines, Southern Airways Express, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United Airlines, UPS.

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