A city skyline with a prominent arch bridge at sunset.

Flights from Seattle-Tacoma International Airport (SEA) to St. Louis Lambert Intl. Airport (STL)
Flights to St. Louis
Missouri
United States of America
Flights
Expedia.com.tw

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

Alaska Airlines
United
American Airlines
Southwest Airlines
Delta
Frontier Airlines

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 45% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

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 6 days ago

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

Sat, Sep 19 - Mon, Sep 28

SEA

Seattle

STL

St. Louis

NT$6,032

Roundtrip

Found 23 hours ago

Select Delta flight, departing Sat, Sep 19 from Seattle to St. Louis, returning Mon, Sep 28, priced at NT$6,032 Found 23 hours ago

Sat, Sep 5 - Sat, Sep 12

SEA

Seattle

STL

St. Louis

NT$6,370

Roundtrip

Found 2 days ago

Select Delta flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Sat, Sep 12, priced at NT$6,370 Found 2 days ago

Tue, Oct 6 - Sat, Nov 7

SEA

Seattle

STL

St. Louis

NT$7,171

Roundtrip

Found 6 days ago

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

Sat, Sep 19 - Mon, Sep 28

SEA

Seattle

STL

St. Louis

NT$7,195

Roundtrip

Found 23 hours ago

Select Delta flight, departing Sat, Sep 19 from Seattle to St. Louis, returning Mon, Sep 28, priced at NT$7,195 Found 23 hours ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,624

Roundtrip

Found 6 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 6 days ago

Sat, Sep 19 - Mon, Sep 28

SEA

Seattle

STL

St. Louis

NT$7,650

Roundtrip

Found 23 hours ago

Select Delta flight, departing Sat, Sep 19 from Seattle to St. Louis, returning Mon, Sep 28, priced at NT$7,650 Found 23 hours ago

Sat, Sep 5 - Sat, Sep 12

SEA

Seattle

STL

St. Louis

NT$7,829

Roundtrip

Found 2 days ago

Select Delta flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Sat, Sep 12, priced at NT$7,829 Found 2 days ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$7,946

Roundtrip

Found 6 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 6 days ago

Tue, Oct 6 - Mon, Oct 12

SEA

Seattle

STL

St. Louis

NT$8,753

Roundtrip

Found 6 days ago

Select United flight, departing Tue, Oct 6 from Seattle to St. Louis, returning Mon, Oct 12, priced at NT$8,753 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, United, American Airlines, Southwest Airlines, Delta, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$6,011
Average flight time	4 hours 11 mins

Explore a world of travel with Expedia

Lodging
Flights
Packages
Cars

5 Star Hotels in Bridgeton
Standard Link for 5 Star Hotels in Bridgeton
Hotels with an Indoor Pool in Bridgeton
Standard Link for Hotels with an Indoor Pool in Bridgeton
Hotels with Hot Tubs in Clayton
Standard Link for Hotels with Hot Tubs in Clayton
Casino Hotels in Earth City
Standard Link for Casino Hotels in Earth City
Waterpark Hotels in St. Ann
Standard Link for Waterpark Hotels in St. Ann
Cheap Hotels in St. Charles
Standard Link for Cheap Hotels in St. Charles
Hotels near Holocaust Museum
Standard Link for Hotels near Holocaust Museum
B&B in Florissant
Standard Link for B&B in Florissant
Luxury Hotels in Florissant
Standard Link for Luxury Hotels in Florissant
Hotels near Blanche M. Touhill Performing Arts Center
Standard Link for Hotels near Blanche M. Touhill Performing Arts Center
Overland Hotels
Standard Link for Overland Hotels
Hotels with a Pool in Florissant
Standard Link for Hotels with a Pool in Florissant
Cheap Hotels in Florissant
Standard Link for Cheap Hotels in Florissant
Hotels near Lambert-St. Louis Intl.
Standard Link for Hotels near Lambert-St. Louis Intl.
Green Hotels in Breckenridge Hills
Standard Link for Green Hotels in Breckenridge Hills
Marriott Hotels & Resorts in Kinloch
Standard Link for Marriott Hotels & Resorts in Kinloch
Hotels near Mildred Lane Kemper Art Museum
Standard Link for Hotels near Mildred Lane Kemper Art Museum
Hotels near Hollywood Casino Amphitheatre
Standard Link for Hotels near Hollywood Casino Amphitheatre
Ski Hotels in Edmundson
Standard Link for Ski Hotels in Edmundson
Hotels with an Indoor Pool in Maryland Heights
Standard Link for Hotels with an Indoor Pool in Maryland Heights
Hotels with a Pool in Maryland Heights
Standard Link for Hotels with a Pool in Maryland Heights
B&B in Olivette
Standard Link for B&B in Olivette
Hotels with Bars in Bridgeton
Standard Link for Hotels with Bars in Bridgeton
Romantic Hotels in Edmundson
Standard Link for Romantic Hotels in Edmundson
Adventure Hotels in University City
Standard Link for Adventure Hotels in University City
Business Hotels in Maryland Heights
Standard Link for Business Hotels in Maryland Heights
5 Star Hotels in Hazelwood
Standard Link for 5 Star Hotels in Hazelwood
Hotels near Westport Plaza
Standard Link for Hotels near Westport Plaza
Drury Inn & Suites Hotels in Maryland Heights
Standard Link for Drury Inn & Suites Hotels in Maryland Heights
5 Star Hotels in Ladue
Standard Link for 5 Star Hotels in Ladue
Drury Inn & Suites Hotels in St. John
Standard Link for Drury Inn & Suites Hotels in St. John
5 Star Hotels in Florissant
Standard Link for 5 Star Hotels in Florissant
4 Star Hotels in Creve Coeur
Standard Link for 4 Star Hotels in Creve Coeur
Hotels with an Indoor Pool in Woodson Terrace
Standard Link for Hotels with an Indoor Pool in Woodson Terrace
Casino Hotels in Maryland Heights
Standard Link for Casino Hotels in Maryland Heights
La Quinta Inn & Suites Hotels in St. John
Standard Link for La Quinta Inn & Suites Hotels in St. John
Motel 6 Hotels in Earth City
Standard Link for Motel 6 Hotels in Earth City

Flights from Bakersfield (BFL) to St. Louis (STL)
Standard Link for Flights from Bakersfield (BFL) to St. Louis (STL)
Flights to Bridgeton
Standard Link for Flights to Bridgeton
Flights from Peoria (PIA) to St. Louis (STL)
Standard Link for Flights from Peoria (PIA) to St. Louis (STL)
Flights from Lambert-St. Louis Intl.
Standard Link for Flights from Lambert-St. Louis Intl.
Flights from Modesto (MOD) to St. Louis (STL)
Standard Link for Flights from Modesto (MOD) to St. Louis (STL)
Flights from Denver (DEN) to St. Louis (STL)
Standard Link for Flights from Denver (DEN) to St. Louis (STL)
Flights from Beira (BEW) to St. Louis (STL)
Standard Link for Flights from Beira (BEW) to St. Louis (STL)
Flights from Taipei (TPE) to St. Louis (STL)
Standard Link for Flights from Taipei (TPE) to St. Louis (STL)
Flights from Florissant
Standard Link for Flights from Florissant
Flights from Dijon (DIJ) to St. Louis (STL)
Standard Link for Flights from Dijon (DIJ) to St. Louis (STL)
Flights from Lewisburg (LWB) to St. Louis (STL)
Standard Link for Flights from Lewisburg (LWB) to St. Louis (STL)
Flights from Winter Haven (GIF) to St. Louis (STL)
Standard Link for Flights from Winter Haven (GIF) to St. Louis (STL)
Flights from Larnaca (LCA) to St. Louis (STL)
Standard Link for Flights from Larnaca (LCA) to St. Louis (STL)
Flights from Montevideo (MVD) to St. Louis (STL)
Standard Link for Flights from Montevideo (MVD) to St. Louis (STL)
Flights from White Plains (HPN) to St. Louis (STL)
Standard Link for Flights from White Plains (HPN) to St. Louis (STL)
Flights from Des Moines (DSM) to St. Louis (STL)
Standard Link for Flights from Des Moines (DSM) to St. Louis (STL)
Flights from Edinburgh (EDI) to St. Louis (STL)
Standard Link for Flights from Edinburgh (EDI) to St. Louis (STL)
Flights to Overland
Standard Link for Flights to Overland
Flights from Lilongwe (LLW) to St. Louis (STL)
Standard Link for Flights from Lilongwe (LLW) to St. Louis (STL)
Flights from Overland
Standard Link for Flights from Overland
Flights from Da Nang (DAD) to St. Louis (STL)
Standard Link for Flights from Da Nang (DAD) to St. Louis (STL)
Flights from Yakutsk (YKS) to St. Louis (STL)
Standard Link for Flights from Yakutsk (YKS) to St. Louis (STL)
Flights from Sandefjord (TRF) to St. Louis (STL)
Standard Link for Flights from Sandefjord (TRF) to St. Louis (STL)
Flights from Dallas (DAL) to St. Louis (STL)
Standard Link for Flights from Dallas (DAL) to St. Louis (STL)
Flights from Williamsport (IPT) to St. Louis (STL)
Standard Link for Flights from Williamsport (IPT) to St. Louis (STL)
Flights from Earth City
Standard Link for Flights from Earth City
Flights from São Paulo (GRU) to St. Louis (STL)
Standard Link for Flights from São Paulo (GRU) to St. Louis (STL)
Flights from Manaus (MAO) to St. Louis (STL)
Standard Link for Flights from Manaus (MAO) to St. Louis (STL)
Flights from Fort Frances (YAG) to St. Louis (STL)
Standard Link for Flights from Fort Frances (YAG) to St. Louis (STL)
Flights from Tuzla (TZL) to St. Louis (STL)
Standard Link for Flights from Tuzla (TZL) to St. Louis (STL)
Flights from Windhoek (WDH) to St. Louis (STL)
Standard Link for Flights from Windhoek (WDH) to St. Louis (STL)
Flights from Davao (DVO) to St. Louis (STL)
Standard Link for Flights from Davao (DVO) to St. Louis (STL)
Flights from Singapore (SIN) to St. Louis (STL)
Standard Link for Flights from Singapore (SIN) to St. Louis (STL)
Flights from Gothenburg (GOT) to St. Louis (STL)
Standard Link for Flights from Gothenburg (GOT) to St. Louis (STL)
Flights from Kalispell (FCA) to St. Louis (STL)
Standard Link for Flights from Kalispell (FCA) to St. Louis (STL)
Flights from Madurai (IXM) to St. Louis (STL)
Standard Link for Flights from Madurai (IXM) to St. Louis (STL)

Visit St. Charles
Standard Link for Visit St. Charles
Visit Castle Point
Standard Link for Visit Castle Point
Overland Vacations
Standard Link for Overland Vacations
Ferguson Vacations
Standard Link for Ferguson Vacations
Visit Bridgeton
Standard Link for Visit Bridgeton
James S. McDonnell Prologue Room
Standard Link for James S. McDonnell Prologue Room
Ameristar Casino St. Charles
Standard Link for Ameristar Casino St. Charles
Visit University City
Standard Link for Visit University City
Ssm Health Rehabilitation Hospital
Standard Link for Ssm Health Rehabilitation Hospital
Visit Hazelwood
Standard Link for Visit Hazelwood
Visit Ferguson
Standard Link for Visit Ferguson
Bridgeton Vacations
Standard Link for Bridgeton Vacations
Visit Olivette
Standard Link for Visit Olivette

Enterprise Rental Cars in Lambert-St. Louis Intl.
Standard Link for Enterprise Rental Cars in Lambert-St. Louis Intl.
Rental cars Lambert-St. Louis Intl. airport
Standard Link for Rental cars Lambert-St. Louis Intl. airport
Avis Rental Cars in Lambert-St. Louis Intl.
Standard Link for Avis Rental Cars in Lambert-St. Louis Intl.
Car rental Ferguson
Standard Link for Car rental Ferguson
Car rentals near Creve Coeur
Standard Link for Car rentals near Creve Coeur
Hertz Rental Cars in Berkeley
Standard Link for Hertz Rental Cars in Berkeley
Car rentals near James S. McDonnell Prologue Room
Standard Link for Car rentals near James S. McDonnell Prologue Room
Car rental Bridgeton
Standard Link for Car rental Bridgeton
First-Car Rental Cars in Lambert-St. Louis Intl.
Standard Link for First-Car Rental Cars in Lambert-St. Louis Intl.
Economy Car Rentals near Lambert-St. Louis Intl.
Standard Link for Economy Car Rentals near Lambert-St. Louis Intl.
Fox Rental Cars Rental Cars in Cool Valley
Standard Link for Fox Rental Cars Rental Cars in Cool Valley
Dollar Rent A Car Rental Cars in Lambert-St. Louis Intl.
Standard Link for Dollar Rent A Car Rental Cars in Lambert-St. Louis Intl.
National Car Rental Rental Cars in Lambert-St. Louis Intl.
Standard Link for National Car Rental Rental Cars in Lambert-St. Louis Intl.
Mex Rent A Car Rental Cars in Maryland Heights
Standard Link for Mex Rent A Car Rental Cars in Maryland Heights

*Available to One Key members.

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