>
>
>
>
>
Low Price Flights from St. Louis to Seattle
Cheap Flight Deals from St. Louis to Seattle
We've found these cheap flights for you. You can book one-way or return flight tickets.
-
Return
-
One way
-
-
Cheapest nonstopSTL 06:304h 24mDirectSEA 08:54St. Louis - Seattle | Wed, May 7 | Hawaiian AirlinesSEA 18:033h 56mDirectSTL 23:59Seattle - St. Louis | Wed, May 14 | Hawaiian AirlinesAU$ 337 AU$ 38613% OFF13% OFFAU$ 386 AU$ 337
-
STL 06:304h 24mDirectSEA 08:54St. Louis - Seattle | Wed, May 7 | Alaska AirlinesSEA 18:033h 56mDirectSTL 23:59Seattle - St. Louis | Wed, May 14 | Hawaiian AirlinesAU$ 340 AU$ 38612% OFF12% OFFAU$ 386 AU$ 340
-
STL 17:008h 10m1 stopsSEA 23:10St. Louis - Seattle | Sat, May 3 | Delta Air LinesSEA 06:009h1 stopsSTL 17:00Seattle - St. Louis | Wed, May 7 | Delta Air LinesAU$ 255 AU$ 38634% OFF34% OFFAU$ 386 AU$ 255
-
STL 14:1510h 6m1 stopsSEA 22:21St. Louis - Seattle | Wed, May 7 | Delta Air LinesSEA 23:108h 25m1 stopsSTL 09:35Seattle - St. Louis | Sat, May 10 | Delta Air LinesAU$ 26033% OFFAU$ 386 AU$ 260
-
STL 17:009h 2m1 stopsSEA 00:02St. Louis - Seattle | Tue, May 6 | Delta Air LinesSEA 06:009h 9m1 stopsSTL 17:09Seattle - St. Louis | Fri, May 9 | Delta Air LinesAU$ 26831% OFFAU$ 386 AU$ 268
-
STL 17:388h 15m1 stopsSEA 23:53St. Louis - Seattle | Tue, Jun 10 | Delta Air LinesSEA 23:596h 40m1 stopsSTL 08:39Seattle - St. Louis | Tue, Jun 17 | Delta Air LinesAU$ 27030% OFFAU$ 386 AU$ 270
-
STL 18:057h 42m1 stopsSEA 23:47St. Louis - Seattle | Mon, Jun 2 | Delta Air LinesSEA 23:596h 40m1 stopsSTL 08:39Seattle - St. Louis | Tue, Jun 10 | Delta Air LinesAU$ 27130% OFFAU$ 386 AU$ 271
-
STL 14:1510h 6m1 stopsSEA 22:21St. Louis - Seattle | Mon, Jun 23 | Delta Air LinesSEA 23:596h 40m1 stopsSTL 08:39Seattle - St. Louis | Sat, Jun 28 | Delta Air LinesAU$ 27628% OFFAU$ 386 AU$ 276
-
STL 19:196h 40m1 stopsSEA 23:59St. Louis - Seattle | Wed, May 14 | Delta Air LinesSEA 05:306h 4m1 stopsSTL 13:34Seattle - St. Louis | Wed, May 21 | Delta Air LinesAU$ 27628% OFFAU$ 386 AU$ 276
-
STL 14:236h 6m1 stopsSEA 18:29St. Louis - Seattle | Wed, Jun 18 | Delta Air LinesSEA 23:507h 47m1 stopsSTL 09:37Seattle - St. Louis | Wed, Jun 25 | Delta Air LinesAU$ 27628% OFFAU$ 386 AU$ 276
-
STL 18:147h 33m1 stopsSEA 23:47St. Louis - Seattle | Fri, Jun 6 | Delta Air LinesSEA 21:589h 39m1 stopsSTL 09:37Seattle - St. Louis | Mon, Jun 9 | Delta Air LinesAU$ 27728% OFFAU$ 386 AU$ 277
-
STL 06:306h 15m1 stopsSEA 10:45St. Louis - Seattle | Tue, Jun 24 | Delta Air LinesSEA 23:598h 34m1 stopsSTL 10:33Seattle - St. Louis | Tue, Jul 1 | Delta Air LinesAU$ 27728% OFFAU$ 386 AU$ 277
-
STL 13:0017h 25m1 stopsSEA Invalid DateSt. Louis - Seattle | Tue, Apr 29 | Normal AirlineSEA 15:006hDirectSTL 16:00Seattle - St. Louis | Thu, May 1 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstopSTL 19:324h 28mDirectSEA 22:00St. Louis - Seattle | Sat, Jun 14 | Hawaiian AirlinesAU$ 174 AU$ 28138% OFF38% OFFAU$ 281 AU$ 174
-
STL 19:324h 28mDirectSEA 22:00St. Louis - Seattle | Sat, Jun 14 | Alaska AirlinesAU$ 174 AU$ 28138% OFF38% OFFAU$ 281 AU$ 174
-
STL 17:388h 15m1 stopsSEA 23:53St. Louis - Seattle | Tue, Jun 10 | Delta Air LinesAU$ 137 AU$ 28151% OFF51% OFFAU$ 281 AU$ 137
-
STL 19:156h 49m1 stopsSEA 00:04St. Louis - Seattle | Wed, Jun 25 | Delta Air LinesAU$ 13851% OFFAU$ 281 AU$ 138
-
STL 18:147h 33m1 stopsSEA 23:47St. Louis - Seattle | Fri, May 30 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 19:196h 40m1 stopsSEA 23:59St. Louis - Seattle | Fri, Jun 6 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 17:388h 15m1 stopsSEA 23:53St. Louis - Seattle | Tue, Jun 17 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 14:296h 6m1 stopsSEA 18:35St. Louis - Seattle | Wed, May 28 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 18:057h 42m1 stopsSEA 23:47St. Louis - Seattle | Thu, May 8 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 19:196h 40m1 stopsSEA 23:59St. Louis - Seattle | Wed, Jun 4 | Delta Air LinesAU$ 14050% OFFAU$ 281 AU$ 140
-
STL 14:1510h 8m1 stopsSEA 22:23St. Louis - Seattle | Thu, Jun 5 | Delta Air LinesAU$ 14150% OFFAU$ 281 AU$ 141
-
STL 14:1510h 8m1 stopsSEA 22:23St. Louis - Seattle | Thu, May 29 | Delta Air LinesAU$ 24712% OFFAU$ 281 AU$ 247
-
STL 13:0017h 25m1 stopsSEA Invalid DateSt. Louis - Seattle | Tue, Apr 29 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Best Time to Book Flights from St. Louis to Seattle
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Top Airlines Flying from St. Louis to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
FAQ
-
When are flight from St. Louis (STL) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from St. Louis to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from St. Louis (STL) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around AU$ 511. -
How long is the flights from St. Louis (STL) to Seattle (SEA)?
It takes about 4 hours 44 minutes to fly from St. Louis (STL) to Seattle (SEA). -
What are the most popular airlines that fly from St. Louis (STL) to Seattle (SEA)?
Airlines with flights from St. Louis (STL) to Seattle (SEA): Alaska Airlines, Air Tahiti Nui, American Airlines, Qatar Airways, Japan Airlines, Southwest Airlines, Sun Country Airlines, Finnair and Hawaiian Airlines. -
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle–Tacoma International Airport.
How to find a cheap flight from St. Louis to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Seattle. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from St. Louis to Seattle
Cheapest one-way flight price | AU$ 136 |
---|---|
Cheapest return ticket price | AU$ 328 |
Off-season for travel | March |
Peak season for travel | January |
Flight distance | 2,765.15km |
Average flight time | 4 hours 44 minutes |
Popular airline | American Airlines |
Plan Your Trip Around Seattle
More Cheap Flights & Deals on Trip.com
-
Trending Routes from St. Louis
-
Top Routes to Seattle
-
More flight options
- St. Louis to Los Angeles Flights
- St. Louis to Orlando Flights
- St. Louis to Chicago Flights
- St. Louis to Las Vegas Flights
- St. Louis to Denver Flights
- St. Louis to Seoul Flights
- St. Louis to Tokyo Flights
- St. Louis to Hong Kong Flights
- St. Louis to Shanghai Flights
- St. Louis to Taipei Flights
- St. Louis to Manila Flights
- Flights from St. Louis Lambert International Airport to Hamilton Island
- Flights from St. Louis Lambert International Airport to Canberra
- Flights from St. Louis Lambert International Airport to Longreach
- Flights from St. Louis Lambert International Airport to Albury
- Flights from St. Louis Lambert International Airport to Wollongong
- Flights from St. Louis Lambert International Airport to Mildura
- Flights from St. Louis to Albury Airport
- Flights from St. Louis to Brisbane Airport
- Flights from St. Louis to Cairns Airport
- Flights from St. Louis to Canberra International Airport
- Flights from St. Louis to Longreach Airport
- Flights from St. Louis to Mildura Airport
- Flights from St. Louis Lambert International Airport to LaGuardia Airport
- Flights from St. Louis Lambert International Airport to Newark Liberty International Airport
- Flights from St. Louis Lambert International Airport to John F. Kennedy International Airport
- Flights from St. Louis Lambert International Airport to Los Angeles International Airport
- Flights from St. Louis Lambert International Airport to Ontario International Airport
- Flights from St. Louis Lambert International Airport to Orlando International Airport
- Taipei to Seattle Flights
- Bangkok to Seattle Flights
- Tokyo to Seattle Flights
- Hong Kong to Seattle Flights
- Manila to Seattle Flights
- Los Angeles to Seattle Flights
- Singapore to Seattle Flights
- Shanghai to Seattle Flights
- Kuala Lumpur to Seattle Flights
- Jakarta to Seattle Flights
- Beijing to Seattle Flights
- Flights from Kingsford Smith Airport to Seattle
- Flights from Melbourne Airport to Seattle
- Flights from Perth Airport to Seattle
- Flights from Brisbane Airport to Seattle
- Flights from Adelaide Airport to Seattle
- Flights from Gold Coast Airport to Seattle
- Flights from Darwin to Seattle-Tacoma International Airport
- Flights from Perth to Seattle-Tacoma International Airport
- Flights from Sydney to Seattle-Tacoma International Airport
- Flights from Melbourne to Seattle-Tacoma International Airport
- Flights from Brisbane to Seattle-Tacoma International Airport
- Flights from Cairns to Seattle-Tacoma International Airport
- Flights from Gimpo International Airport to Seattle–Tacoma International Airport
- Flights from Incheon International Airport to Seattle–Tacoma International Airport
- Flights from Taipei Songshan Airport to Seattle–Tacoma International Airport
- Flights from Taiwan Taoyuan International Airport to Seattle–Tacoma International Airport
- Flights from Don Mueang International Airport to Seattle–Tacoma International Airport
- Flights from Suvarnabhumi Airport to Seattle–Tacoma International Airport
- New York to Los Angeles Flights
- San Francisco to New York Flights
- New York to San Francisco Flights
- Los Angeles to Honolulu Flights
- New York to Miami Flights
- New York to Orlando Flights
- San Francisco to Las Vegas Flights
- Las Vegas to San Francisco Flights
- Las Vegas to New York Flights
- Los Angeles to Las Vegas Flights
- Miami to New York Flights
- Flights from Los Angeles International Airport to LaGuardia Airport
- Flights from Los Angeles International Airport to Newark Liberty International Airport
- Flights from Ontario International Airport to John F. Kennedy International Airport
- Flights from Los Angeles International Airport to John F. Kennedy International Airport
- Flights from Los Angeles International Airport to Stewart International Airport
- Flights from Ontario International Airport to LaGuardia Airport