Good to know - Cheap tickets Seattle — Saint Louis
| Cheapest flight found | $194 |
|---|---|
| Minimal flight time | 3h 52m |
| 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 | ||
| August 2025 | ||
| July 2025 | ||
| May 2025 | ||
| April 2025 |
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 | |
|---|---|---|---|---|---|---|---|
| 07:55 | 13:54 | mon, tue, wed, thu, fri, sun | AS618 | Alaska Airlines | 3h 59m | Seattle-Tacoma International Airport — Lambert-St. Louis International Airport | Select dates |
| 07:55 | 13:51 | tue, wed, fri, sat | AS618 | Alaska Airlines | 3h 56m | Seattle-Tacoma International Airport — Lambert-St. Louis International Airport | Select dates |
| 18:07 | 23:59 | mon, thu | AS615 | Alaska Airlines | 3h 52m | Seattle-Tacoma International Airport — Lambert-St. Louis International Airport | Select dates |
Popular airlines flying Seattle — Saint Louis
Flight Seattle – Saint Louis is served by 14 airlines. 1 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Sales of tickets from Seattle to Saint Louis in the last 48 hours
Dynamics airfare Seattle — Saint Louis 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 Seattle — Saint Louis
The graph shows that booking flights Seattle — Saint Louis is best planned for May and flights Seattle — Saint Louis — Seattle in the month of September.
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).
- Departure city: Seattle
- IATA code of the city of origin: SEA
- Departure airports: Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport
- Departure country: United States
- Destination city: Saint Louis
- IATA code of the destination city: STL
- Destination airports: St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport
- Destination country: United States
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 52m.
LowCostClub always do a comparison of airfares Seattle — Saint Louis with several airlines (include Alaska 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.
Most often, they fly to Saint Louis from Pasco, this is the closest city with an airport from Seattle. The cheapest ticket can be bought for a flight departing from Portland from $109.
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
Are there any direct flights Seattle — Saint Louis?
Yes, they do: AS618, AS615
Can we fly from Seattle to Saint Louis?
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 departs from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, AlphaSky, American Airlines, Breeze Airways, Delta Air Lines, FedEx, Frontier (Lone Star the Longhorn Steer Livery), Jet Linx Aviation, NetJets, SkyWest Charter, Southern Airways Express, Southwest Airlines, United Express, UPS.
How long does it take to fly from Seattle to Saint Louis?
A direct flight lasts an average of 3h 52m, during which time the aircraft covers a distance of 2769 km.
How much do flights Seattle — Saint Louis cost?
The price of flights Seattle — Saint Louis starts from $194.
What days does the plane fly Seattle — Saint Louis?
Planes fly Seattle — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Seattle and Saint Louis?
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.
What flights are currently flying from Seattle to Saint Louis?
The following flights fly between Seattle and Saint Louis: AS618, AS618, AS615
What month is the cheapest to fly from Seattle to Saint Louis?
High season is considered to be July and the cheapest month is May. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Seattle — Saint Louis flight deals.
Which airlines direct fly from Seattle to Saint Louis?
Only one airline operates a direct flight Seattle — Saint Louis: Alaska Airlines.
Which airlines fly from Seattle to Saint Louis?
All the following airlines flights Seattle — Saint Louis: Air Canada, Alaska Airlines, AlphaSky, American Airlines, Breeze Airways, Delta Air Lines, FedEx, Frontier (Lone Star the Longhorn Steer Livery), Jet Linx Aviation, NetJets, SkyWest Charter, Southern Airways Express, Southwest Airlines, United Express, UPS.