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

NT$3,912 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$3,912 for one-way flights, for the period specified. Prices and availability are subject to change.
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$3,912
One way
Found 6 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$3,912 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$5,498
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$5,498 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$6,610
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$6,610 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,720
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,720 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,883
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,883 Found 6 days ago
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$7,910
One way
Found 6 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$7,910 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$9,306
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$9,306 Found 6 days ago
Delta
Mon, Oct 19
STL
St. Louis
SEA
Seattle
NT$9,465
One way
Found 6 days ago
Select Delta flight, departing Mon, Oct 19 from St. Louis to Seattle, priced at NT$9,465 Found 6 days ago
Delta
Fri, Dec 18
STL
St. Louis
SEA
Seattle
NT$9,848
One way
Found 2 days ago
Select Delta flight, departing Fri, Dec 18 from St. Louis to Seattle, priced at NT$9,848 Found 2 days ago
Delta
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$11,051
One way
Found 6 days ago
Select Delta flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$11,051 Found 6 days ago
American Airlines
Mon, Dec 14
STL
St. Louis
SEA
Seattle
NT$11,178
One way
Found 6 days ago
Select American Airlines flight, departing Mon, Dec 14 from St. Louis to Seattle, priced at NT$11,178 Found 6 days ago
American Airlines
Fri, Dec 18
STL
St. Louis
SEA
Seattle
NT$11,285
One way
Found 2 days ago
Select American Airlines flight, departing Fri, Dec 18 from St. Louis to Seattle, priced at NT$11,285 Found 2 days ago
American Airlines
Fri, Dec 18
STL
St. Louis
SEA
Seattle
NT$11,387
One way
Found 2 days ago
Select American Airlines flight, departing Fri, Dec 18 from St. Louis to Seattle, priced at NT$11,387 Found 2 days ago
American Airlines
Tue, Dec 29
STL
St. Louis
SEA
Seattle
NT$11,411
One way
Found 7 hours ago
Select American Airlines flight, departing Tue, Dec 29 from St. Louis to Seattle, priced at NT$11,411 Found 7 hours ago
Delta
Mon, Oct 19
STL
St. Louis
SEA
Seattle
NT$11,717
One way
Found 6 days ago
Select Delta flight, departing Mon, Oct 19 from St. Louis to Seattle, priced at NT$11,717 Found 6 days ago
American Airlines
Tue, Dec 29
STL
St. Louis
SEA
Seattle
NT$12,048
One way
Found 7 hours ago
Select American Airlines flight, departing Tue, Dec 29 from St. Louis to Seattle, priced at NT$12,048 Found 7 hours ago
American Airlines
Fri, Dec 18
STL
St. Louis
SEA
Seattle
NT$12,723
One way
Found 2 days ago
Select American Airlines flight, departing Fri, Dec 18 from St. Louis to Seattle, priced at NT$12,723 Found 2 days ago
Delta
Tue, Dec 29
STL
St. Louis
SEA
Seattle
NT$13,990
One way
Found 7 hours ago
Select Delta flight, departing Tue, Dec 29 from St. Louis to Seattle, priced at NT$13,990 Found 7 hours ago
American Airlines
Tue, Dec 29
STL
St. Louis
SEA
Seattle
NT$14,118
One way
Found 7 hours ago
Select American Airlines flight, departing Tue, Dec 29 from St. Louis to Seattle, priced at NT$14,118 Found 7 hours ago
American Airlines
Fri, Dec 18
STL
St. Louis
SEA
Seattle
NT$14,800
One way
Found 2 days ago
Select American Airlines flight, departing Fri, Dec 18 from St. Louis to Seattle, priced at NT$14,800 Found 2 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, United, Delta, Southwest Airlines, Frontier Airlines
Popular airline
Alaska Airlines
Roundtrip price
NT$3,912
Average flight time
4 hours 30 mins
*Available to One Key members.