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Flights from Seattle-Tacoma International Airport (SEA) to St. Louis Lambert Intl. Airport (STL)
Flights to St. Louis
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United States of America
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Popular airlines from Seattle-Tacoma International Airport (SEA) to St. Louis Lambert Intl. Airport (STL)

Alaska Airlines
American Airlines
Delta
United
Southwest Airlines
Frontier Airlines

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

Prices were available within the past 7 days and start at NT$4,310 for one-way flights and NT$12,084 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$12,084

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$12,084 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$12,690

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$12,690 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$13,360

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$13,360 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$13,651

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$13,651 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$13,678

Roundtrip

Found 6 days ago

Select United flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$13,678 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$13,679

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$13,679 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$13,965

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$13,965 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$14,285

Roundtrip

Found 6 days ago

Select United flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$14,285 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$14,317

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$14,317 Found 6 days ago

Wed, Aug 12 - Sun, Aug 23

SEA

Seattle

STL

St. Louis

NT$14,922

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Aug 12 from Seattle to St. Louis, returning Sun, Aug 23, priced at NT$14,922 Found 6 days ago

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

February is typically the cheapest month to fly

From NT$4,696 - NT$5,993 per traveler.

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	St. Louis Lambert Intl. 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$12,084
Average flight time	4 hours 11 mins

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NT$4,310 Cheap Flights from Seattle (SEA) to St. Louis (STL)

Popular airlines from Seattle-Tacoma International Airport (SEA) to St. Louis Lambert Intl. Airport (STL)

Be in the know

Book smarter

Earn twice

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

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

February is typically the cheapest month to flyFebruary is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

February is typically the cheapest month to fly