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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
United
Southwest Airlines
Delta
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$3,006 for one-way flights and NT$6,011 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$6,011

Roundtrip

Found 5 days ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$6,011 Found 5 days ago

Sat, Sep 5 - Sat, Sep 12

SEA

Seattle

STL

St. Louis

NT$6,370

Roundtrip

Found 1 day ago

Select Delta flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Sat, Sep 12, priced at NT$6,370 Found 1 day ago

Tue, Oct 6 - Sat, Nov 7

SEA

Seattle

STL

St. Louis

NT$7,171

Roundtrip

Found 5 days ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Sat, Nov 7, priced at NT$7,171 Found 5 days ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,624

Roundtrip

Found 5 days ago

Select American Airlines flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$7,624 Found 5 days ago

Sat, Sep 5 - Sat, Sep 12

SEA

Seattle

STL

St. Louis

NT$7,829

Roundtrip

Found 1 day ago

Select Delta flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Sat, Sep 12, priced at NT$7,829 Found 1 day ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,946

Roundtrip

Found 5 days ago

Select American Airlines flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$7,946 Found 5 days ago

Sat, Sep 5 - Sat, Sep 12

SEA

Seattle

STL

St. Louis

NT$8,154

Roundtrip

Found 1 day ago

Select American Airlines flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Sat, Sep 12, priced at NT$8,154 Found 1 day ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$8,461

Roundtrip

Found 5 days ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$8,461 Found 5 days ago

Fri, Aug 28 - Sun, Sep 6

SEA

Seattle

STL

St. Louis

NT$8,620

Roundtrip

Found 2 days ago

Select Delta flight, departing Fri, Aug 28 from Seattle to St. Louis, returning Sun, Sep 6, priced at NT$8,620 Found 2 days ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$8,753

Roundtrip

Found 5 days ago

Select United flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$8,753 Found 5 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, United, Southwest Airlines, Delta, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$6,011
Average flight time	4 hours 7 mins

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NT$3,006 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