| 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 - Phoenix - Sky Harbor from 480 $
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from 142 $
- Flight New York - Seattle-Tacoma from 303 $
- Flight Los Angeles - Seattle-Tacoma from 121 $
- Flight Anchorage - Seattle-Tacoma from 279 $
- Flight Honolulu - Seattle-Tacoma from 435 $
- Flight Atlanta - Seattle-Tacoma from 240 $
- Flight Las Vegas - Seattle-Tacoma from 191 $
- Flight Denver - Seattle-Tacoma from 122 $
- Flight Miami - Seattle-Tacoma from 427 $
- Flight San Diego - Seattle-Tacoma from 180 $
Flight destinations with a similar price
- Flight Seattle-Tacoma - Luzon Clark from 742 $
- Flight Seattle-Tacoma - Dublin from 523 $
- Flight Seattle-Tacoma - London Heathrow from 621 $
- Flight Seattle-Tacoma - London from 621 $
- Flight Seattle-Tacoma - Toronto from 476 $
- Flight Seattle-Tacoma - Vancouver from 271 $
- Flight Seattle-Tacoma - Dusseldorf from 672 $
- Flight Seattle-Tacoma - Frankfurt from 708 $
- Flight Seattle-Tacoma - Addis Ababa from 1.033 $
- Flight Seattle-Tacoma - Port of Spain from 589 $
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 - New York from 351 $
- Flight St. Louis - Minneapolis from 332 $
- Flight St. Louis - Newark from 354 $