Cheap Flights from St. Louis Lambert International Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/9
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	1Search	2Search	3242	4Search	5298	6219
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2025/9
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Lambert－Seattle-Tacoma Airport
September Lowest Airfares
USD188

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
October Lowest Airfares
USD264

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
November Lowest Airfares
USD328

The airfare displayed above is for United Airlines

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Lambert－Seattle-Tacoma Airport
December Lowest Airfares
USD294

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
January Lowest Airfares -----

St. Louis－Seattle
Estimated Flight Time
4 Hours 26 Minutes
St. Louis－Seattle
Number of Operating Airlines
5

Operating Airlines for Lambert－Seattle-Tacoma Airport Route
Non-StopAlaska Airlines

American Airlines

Delta Air Lines

SUN COUNTRY

United Airlines

Other Destinations from:St. Louis

Lambert－Boston(Logan)
USD268〜
Lambert－Washington D.C(Baltimore-Washington)
USD177〜
Lambert－Washington D.C(Ronald Reagan Washington National)
USD210〜
Lambert－Washington D.C(Washington Dulles)
USD245〜
Lambert－Chicago(O'Hare)
USD91〜
Lambert－Chicago(Midway)
USD176〜
Lambert－Dallas(/Fort Worth)
USD138〜
Lambert－Dallas(Love Field)
USD194〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Tampa Airport－Seattle(-Tacoma)
USD214〜
Tri-Cities Regional Airport－Seattle(-Tacoma)
USD528〜
Tulsa Airport－Seattle(-Tacoma)
USD327〜
Tucson Airport－Seattle(-Tacoma)
USD227〜
* Fares vary in accordance to seat availability