Find Seattle - St. Louis flights (SEA - STL)

Compare flight deals from Seattle to St. Louis (SEA - STL)

Fares recently seen on Star Alliance member airline websites. Not all Star Alliance Member Airlines or all fares/options are shown.
SEA Seattle-Tacoma International Airport, United States
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STL Lambert-St Louis International Airport, United States
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4 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

airline logo
SEA - STL

Mar 03, 2018

STL - SEA

Mar 07, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 274*
3 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Feb 11, 2018

STL - SEA

Feb 14, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 304*
2 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Feb 06, 2018

STL - SEA

Feb 08, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 304*
2 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Mar 02, 2018

STL - SEA

Mar 04, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 334*
3 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Mar 01, 2018

STL - SEA

Mar 04, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 334*
7 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Apr 14, 2018

STL - SEA

Apr 21, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 352*
9 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

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SEA - STL

Feb 05, 2018

STL - SEA

Feb 14, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

CAD 473*
1 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

airline logo
SEA - STL

Feb 01, 2018

STL - SEA

Feb 02, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 372*
5 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

airline logo
SEA - STL

Feb 01, 2018

STL - SEA

Feb 06, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 372*
4 Night(s) Trip
Seattle (SEA) - St. Louis (STL)

Roundtrip | Economy

airline logo
SEA - STL

Feb 22, 2018

STL - SEA

Feb 26, 2018

Sold by

United Airlines

Please note possible operating carriers. Additional baggage fees may apply.

USD 376*

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in St. Louis

3°C Monday Jan 22, 2018
4°C Tuesday Jan 23, 2018
2°C Wednesday Jan 24, 2018
7°C Thursday Jan 25, 2018
11°C Friday Jan 26, 2018
9°C Saturday Jan 27, 2018
12°C Sunday Jan 28, 2018
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