Good to know - Cheap tickets Saint Louis — Seattle
| Cheapest flight found | $94 |
|---|---|
| Minimal flight time | 4h 35m |
| Flight distance | 2769 km |
| Most popular airline | Alaska Horizon |
Airfare Saint Louis – Seattle by month
Here you can find out in what months how much a ticket Saint Louis – Seattle costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| January 2026 | ||
| December 2025 | ||
| October 2025 | ||
| August 2025 | ||
| July 2025 | ||
| May 2025 | ||
| January 2025 | ||
| December 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 Saint Louis — Seattle
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 07:00 | 09:42 | fri | AS473 | Alaska Horizon | 4h 42m | Lambert-St. Louis International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:47 | 17:26 | fri | AS314 | AlphaSky | 4h 39m | Lambert-St. Louis International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:47 | 17:26 | fri | AS314 | Alaska Horizon | 4h 39m | Lambert-St. Louis International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:50 | 17:25 | mon, tue, wed, thu, fri, sun | AS618 | Alaska Horizon | 4h 35m | Lambert-St. Louis International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:19 | 20:54 | sat | AS388 | Alaska Horizon | 4h 35m | Lambert-St. Louis International Airport — Seattle-Tacoma International Airport | Select dates |
Popular airlines flying Saint Louis — Seattle
Flight Saint Louis – Seattle is served by 13 airlines. 2 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Sales of tickets from Saint Louis to Seattle in the last 48 hours
Dynamics airfare Saint Louis — Seattle by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Saint Louis — Seattle
The graph shows that booking flights Saint Louis — Seattle is best planned for July and flights Saint Louis — Seattle — Saint Louis in the month of January.
Flights Saint Louis — Seattle
The selection of cheap flights Saint Louis — Seattle
Here you can find and purchase the cheapest flights Saint Louis — Seattle from $94 and Saint Louis — Seattle — Saint Louis from $110.
The price of the flight Saint Louis — Seattle (United States) — Saint Louis from $110 (round-trip).
The average price of the flight Saint Louis — Seattle (United States) — Saint Louis $383 (round-trip).
- Departure city: Saint Louis
- IATA code of the city of origin: STL
- Departure airports: St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport
- Departure country: United States
- Destination city: Seattle
- IATA code of the destination city: SEA
- Destination airports: Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport
- Destination country: United States
Low cost flights Saint Louis — Seattle (STL — SEA)
The distance between Saint Louis and Seattle 1721 miles (or 2769 kilometres).
The time difference between Saint Louis and Seattle is 2 h.
Minimal flight time from Saint Louis to Seattle 4h 35m.
LowCostClub always do a comparison of airfares Saint Louis — Seattle with several airlines (include Alaska Horizon, AlphaSky). They will always give you all available options so you can find the cheapest flight to Seattle. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Saint Louis — Seattle. Last week, for instance, the cheapest round-trip prices stood at $110 while the cheapest one-way price that was available within the last week cost $94
Routes from nearby cities to Seattle
A flight from a neighbouring city can help you save money on plane tickets.
Most often, flights to Seattle are from Springfield. The cheapest plane ticket to Seattle can be bought from $80 with a departure from Kansas City, which is also the nearest city from Saint Louis.
Popular International routes from Saint Louis
Popular routes from Seattle
If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:
Popular domestic routes from Saint Louis
FAQ about Saint Louis — Seattle
Are there any direct flights Saint Louis — Seattle?
Yes, they do: AS473, AS314, AS618, AS388
Can we fly from Saint Louis to Seattle?
Yes, you can fly from Saint Louis to Seattle. Saint Louis has 3 airports (St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport) for flights. Alaska Horizon, AlphaSky depart from Saint Louis on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada Express, American Airlines, Delta Air Lines, FedEx, Frontier (Hunter the Bobcat Livery), Jet Linx Aviation, Lufthansa, NetJets, Southern Airways Express, Southwest Airlines, Sun Country Airlines, United Airlines, UPS.
How long does it take to fly from Saint Louis to Seattle?
A direct flight lasts an average of 4h 35m, during which time the aircraft covers a distance of 2769 km.
How much do flights Saint Louis — Seattle cost?
The price of flights Saint Louis — Seattle starts from $94.
What days does the plane fly Saint Louis — Seattle?
Planes fly Saint Louis — Seattle 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Saint Louis and Seattle?
In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.
What flights are currently flying from Saint Louis to Seattle?
The following flights fly between Saint Louis and Seattle: AS473, AS314, AS314, AS618, AS388
What month is the cheapest to fly from Saint Louis to Seattle?
High season is considered to be October and the cheapest month is July. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Saint Louis — Seattle flight deals.
Which airlines direct fly from Saint Louis to Seattle?
The following airlines have direct flights Saint Louis — Seattle: Alaska Horizon, AlphaSky.
Which airlines fly from Saint Louis to Seattle?
All the following airlines flights Saint Louis — Seattle: Air Canada Express, Alaska Horizon, AlphaSky, American Airlines, Delta Air Lines, FedEx, Frontier (Hunter the Bobcat Livery), Jet Linx Aviation, Lufthansa, NetJets, Southern Airways Express, Southwest Airlines, Sun Country Airlines, United Airlines, UPS.