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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$3,912 for one-way flights and NT$7,823 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$7,823

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$7,823 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$9,410

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$9,410 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$10,522

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$10,522 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$11,632

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$11,632 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$11,795

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$11,795 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$11,821

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$11,821 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$12,107

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$12,107 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$13,218

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$13,218 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$13,381

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$13,381 Found 4 days ago

Fri, Nov 27 - Mon, Dec 14

SEA

Seattle

STL

St. Louis

NT$13,408

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Nov 27 from Seattle to St. Louis, returning Mon, Dec 14, priced at NT$13,408 Found 4 days ago

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

November is typically the cheapest month to fly

From NT$6,438 - NT$13,509 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$7,823
Average flight time	4 hours

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NT$3,912 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)

November is typically the cheapest month to flyNovember is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

November is typically the cheapest month to fly