An Alaska Airlines plane taking off with a snow-capped mountain in the background.

NT$3,448 Cheap Flights from St. Louis (STL) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from St. Louis to Seattle (STL-SEA)

Prices were available within the past 7 days and start at NT$3,448 for one-way flights, for the period specified. Prices and availability are subject to change.
Delta
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$3,448
One way
Found 5 days ago
Select Delta flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$3,448 Found 5 days ago
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$3,912
One way
Found 3 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$3,912 Found 3 days ago
American Airlines
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$5,358
One way
Found 5 days ago
Select American Airlines flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$5,358 Found 5 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$5,498
One way
Found 3 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$5,498 Found 3 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$6,610
One way
Found 3 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$6,610 Found 3 days ago
American Airlines
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$6,631
One way
Found 5 days ago
Select American Airlines flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$6,631 Found 5 days ago
American Airlines
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$7,274
One way
Found 5 days ago
Select American Airlines flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$7,274 Found 5 days ago
Delta
Tue, Apr 20
STL
St. Louis
SEA
Seattle
NT$7,427
One way
Found 5 days ago
Select Delta flight, departing Tue, Apr 20 from St. Louis to Seattle, priced at NT$7,427 Found 5 days ago
Delta
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$7,619
One way
Found 5 days ago
Select Delta flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$7,619 Found 5 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,720
One way
Found 3 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,720 Found 3 days ago
American Airlines
Wed, Oct 28
STL
St. Louis
SEA
Seattle
NT$7,746
One way
Found 5 days ago
Select American Airlines flight, departing Wed, Oct 28 from St. Louis to Seattle, priced at NT$7,746 Found 5 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,883
One way
Found 3 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,883 Found 3 days ago
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,910
One way
Found 3 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,910 Found 3 days ago
Delta
Tue, Apr 20
STL
St. Louis
SEA
Seattle
NT$8,255
One way
Found 5 days ago
Select Delta flight, departing Tue, Apr 20 from St. Louis to Seattle, priced at NT$8,255 Found 5 days ago
American Airlines
Tue, Apr 20
STL
St. Louis
SEA
Seattle
NT$8,705
One way
Found 5 days ago
Select American Airlines flight, departing Tue, Apr 20 from St. Louis to Seattle, priced at NT$8,705 Found 5 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$9,306
One way
Found 3 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$9,306 Found 3 days ago
American Airlines
Tue, Apr 20
STL
St. Louis
SEA
Seattle
NT$9,338
One way
Found 5 days ago
Select American Airlines flight, departing Tue, Apr 20 from St. Louis to Seattle, priced at NT$9,338 Found 5 days ago
Delta
Mon, Oct 19
STL
St. Louis
SEA
Seattle
NT$9,465
One way
Found 3 days ago
Select Delta flight, departing Mon, Oct 19 from St. Louis to Seattle, priced at NT$9,465 Found 3 days ago
Delta
Tue, Apr 20
STL
St. Louis
SEA
Seattle
NT$10,770
One way
Found 5 days ago
Select Delta flight, departing Tue, Apr 20 from St. Louis to Seattle, priced at NT$10,770 Found 5 days ago
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$11,051
One way
Found 3 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$11,051 Found 3 days ago

Find the cheapest month to fly from St. Louis (STL) to Seattle (SEA)

October is typically the cheapest month to fly

From NT$4,894 - NT$10,796 per traveler.

Travel information

Origin airport
St. Louis Lambert Intl. Airport
Destination airport
Seattle-Tacoma International Airport
Distance
2,744 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, Frontier Airlines
Popular airline
Alaska Airlines
Roundtrip price
NT$3,448
Average flight time
4 hours 30 mins
*Available to One Key members.