| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AS0388 04h 26min | Return 05/23/25 direct AS0472 03h 56min |  Alaska Airlines |  | ? | $343 | |
| St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AS0388 04h 26min | Return 05/23/25 direct AS0472 03h 56min | Alaska Airlines |  | ? | $344 | |
| St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AS0388 04h 26min | Return 05/23/25 direct AS0388 03h 52min | Alaska Airlines |  | $348 | ||
| St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AS0388 04h 26min | Return 05/23/25 direct AS0472 03h 56min | Alaska Airlines |  | ? | $349 | |
| St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AS0473 04h 26min | Return 05/23/25 direct AS0472 03h 56min | Alaska Airlines |  | $364 | ||
| St. Louis Seattle-Tacoma | Outbound 04/26/25 1 Stopover (ORD) UA1761, UA2211 09h 38min | Return 05/23/25 1 Stopover (SFO) UA1620, UA1896 07h 47min |  United Airlines |  | ? | $380 | |
| St. Louis Seattle-Tacoma | Outbound 04/26/25 1 Stopover (DFW) AA2479, AA2101 07h 05min | Return 05/23/25 direct AA7626 03h 56min |  American Airlines |  | ? | $436 | |
| St. Louis Seattle-Tacoma | Outbound 04/26/25 direct AA7468 04h 26min | Return 05/23/25 direct AA7626 03h 56min | American Airlines |  | ? | $1,290 |
Stops
- Direct flight
Airline
- Alaska Airlines
- American Airlines
- United Airlines
Flight type
- Return
Outbound departure month
- April 2025
Outbound weekday
- Saturday
Return departure month
- May 2025
Return weekday
- Friday
Change in
- Dallas-Fort Worth International Airport, T
- Chicago O'Hare International Airport, IL
Tips and tricks to help you find cheap flights from St. Louis to Seattle Tacoma
Favorite airline: Alaska Airlines
Alaska Airlines is the most popular airline for flights from St. Louis to Seattle-Tacoma.
Alaska Airlines
33 %
Delta
22 %
Spirit Airlines
14 %
Stopover flights are the cheapest connection
Direct flights on this route are $42.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
04h 20min
16h 00min
$ 232
$ 190
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 32 % of travelers will book a direct flight.
Route
bookings
Direct flights
04h 20min, from $ 232
32 %
1 stopover Salt Lake City International Airport, UT
07h 08min, from $ 210
28 %
1 stopover Las Vegas - McCarran International Airport, NV
07h 54min, from $ 307
20 %
Important flight information
Flight information: St. Louis - Seattle-Tacoma
| Roundtrip from | $ 342,91 |
|---|---|
| Flight duration | min. 04:35 / max. 11:35 |
| Return flight duration | min. 03:45/ max. 06:20 |
| Distance | 2748 km |
| Flights per week | 23 |
| Departure airport | Airport St. Louis - Lambert International Airport (STL) |
| Arrival airport | Airport Seattle-Tacoma International Airport, WA (SEA) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight St. Louis - New York from $ 351
- Flight St. Louis - Los Angeles from $ 319
- Flight St. Louis - Las Vegas from $ 446
- Flight St. Louis - Tampa from $ 495
- Flight St. Louis - San Francisco from $ 332
- Flight St. Louis - Orlando from $ 450
- Flight St. Louis - Fort Myers from $ 426
- Flight St. Louis - Honolulu from $ 456
- Flight St. Louis - Atlanta from $ 342
- Flight St. Louis - New York from $ 421
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from $ 142
- Flight New York - Seattle-Tacoma from $ 247
- Flight Los Angeles - Seattle-Tacoma from $ 121
- Flight Anchorage - Seattle-Tacoma from $ 316
- Flight Honolulu - Seattle-Tacoma from $ 435
- Flight Atlanta - Seattle-Tacoma from $ 294
- Flight Las Vegas - Seattle-Tacoma from $ 191
- Flight Denver - Seattle-Tacoma from $ 181
- Flight Miami - Seattle-Tacoma from $ 427
- Flight San Diego - Seattle-Tacoma from $ 180
Flight destinations with a similar price
- Flight Seattle-Tacoma - Amsterdam from $ 681
- Flight Seattle-Tacoma - London Heathrow from $ 621
- Flight Seattle-Tacoma - Vancouver from $ 271
- Flight Seattle-Tacoma - Toronto from $ 476
- Flight Seattle-Tacoma - Dubai from $ 748
- Flight Seattle-Tacoma - Port of Spain from $ 589
- Flight Seattle-Tacoma - Seoul Incheon from $ 965
- Flight Seattle-Tacoma - Frankfurt from $ 708
- Flight Seattle-Tacoma - Dublin from $ 523
- Flight Seattle-Tacoma - Bangkok from $ 692
Flight destinations with a similar price
- Flight St. Louis - New York from $ 351
- Flight St. Louis - Los Angeles from $ 319
- Flight St. Louis - San Francisco from $ 332
- Flight St. Louis - Atlanta from $ 342
- Flight St. Louis - Newark from $ 354
- Flight St. Louis - New York from $ 351
- Flight St. Louis - Minneapolis from $ 332