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

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2025/4
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2025/4
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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
April Lowest Airfares -----
Lambert－Seattle-Tacoma Airport
May Lowest Airfares
USD255

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
June Lowest Airfares
USD189

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
July Lowest Airfares
USD288

The airfare displayed above is for Delta Air Lines

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Lambert－Seattle-Tacoma Airport
August Lowest Airfares
USD310

The airfare displayed above is for United Airlines

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St. Louis－Seattle
Estimated Flight Time
5 Hours 25 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)
USD355〜
Lambert－Washington D.C(Ronald Reagan Washington National)
USD234〜
Lambert－Washington D.C(Washington Dulles)
USD249〜
Lambert－Chicago(O'Hare)
USD166〜
Lambert－Chicago(Midway)
USD236〜
Lambert－Dallas(/Fort Worth)
USD289〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Syracuse Hancock Airport－Seattle(-Tacoma)
USD440〜
Tampa Airport－Seattle(-Tacoma)
USD359〜
Tri-Cities Regional Airport－Seattle(-Tacoma)
USD529〜
Tulsa Airport－Seattle(-Tacoma)
USD437〜
Tucson Airport－Seattle(-Tacoma)
USD237〜
* Fares vary in accordance to seat availability