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

Alaska Airlines
American Airlines
United
Delta
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$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 9 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$6,011 Found 9 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$6,320

Roundtrip

Found 5 days ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$6,320 Found 5 days ago

Tue, Oct 6 - Sat, Nov 7

SEA

Seattle

STL

St. Louis

NT$7,171

Roundtrip

Found 9 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Sat, Nov 7, priced at NT$7,171 Found 9 hours ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,624

Roundtrip

Found 9 hours ago

Select American Airlines flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$7,624 Found 9 hours ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,946

Roundtrip

Found 9 hours ago

Select American Airlines flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$7,946 Found 9 hours ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$8,461

Roundtrip

Found 9 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$8,461 Found 9 hours ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$8,753

Roundtrip

Found 9 hours ago

Select United flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$8,753 Found 9 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$8,762

Roundtrip

Found 5 days ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$8,762 Found 5 days ago

Tue, Oct 6 - Sat, Nov 7

SEA

Seattle

STL

St. Louis

NT$8,784

Roundtrip

Found 9 hours ago

Select American Airlines flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Sat, Nov 7, priced at NT$8,784 Found 9 hours ago

Tue, Oct 6 - Sat, Nov 7

SEA

Seattle

STL

St. Louis

NT$8,924

Roundtrip

Found 9 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Sat, Nov 7, priced at NT$8,924 Found 9 hours 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, Delta, Southwest Airlines, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$6,011
Average flight time	4 hours 11 mins

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NT$3,006 Cheap Flights from Seattle (SEA) to St. Louis (STL)

Flight 1

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 fly

Travel information

Explore a world of travel with Expedia

NT$3,006 Cheap Flights from Seattle (SEA) to St. Louis (STL)

Flight 1

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