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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
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$4,310 for one-way flights and NT$6,320 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$6,320

Roundtrip

Found 20 hours ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$6,320 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$8,762

Roundtrip

Found 20 hours ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$8,762 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$9,053

Roundtrip

Found 20 hours ago

Select United flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$9,053 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$10,022

Roundtrip

Found 20 hours ago

Select American Airlines flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$10,022 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$10,660

Roundtrip

Found 20 hours ago

Select United flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$10,660 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$11,013

Roundtrip

Found 20 hours ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$11,013 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$11,914

Roundtrip

Found 20 hours ago

Select United flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$11,914 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$12,622

Roundtrip

Found 20 hours ago

Select American Airlines flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$12,622 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$13,400

Roundtrip

Found 20 hours ago

Select United flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$13,400 Found 20 hours ago

Wed, Oct 7 - Thu, Oct 8

SEA

Seattle

STL

St. Louis

NT$13,907

Roundtrip

Found 20 hours ago

Select Delta flight, departing Wed, Oct 7 from Seattle to St. Louis, returning Thu, Oct 8, priced at NT$13,907 Found 20 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, Southwest Airlines, Delta, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$6,320
Average flight time	4 hours 7 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