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

Departure Date

2025/5
Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1------	2------	3------
4------	5------	6------	7------	8------	9------	10------
11------	12------	13------	14------	15------	16Search	17321
18Search	19Search	20Search	21Search	22379	23447	24295
25Search	26Search	27Search	28Search	29Search	30Search	31Search

Select Return Date　　 Change Departure Date

Return Date

2025/5
Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1------	2------	3------
4------	5------	6------	7------	8------	9------	10------
11------	12------	13------	14------	15------	16------	17------
18------	19------	20------	21------	22------	23------	24------
25------	26------	27------	28------	29------	30------	31------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

Total Fares（Round-Trip/Economy）: USD /Per Person

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

Lambert－Seattle-Tacoma Airport
May Lowest Airfares
USD295

The airfare displayed above is for Delta Air Lines

Set calendar for this month
Lambert－Seattle-Tacoma Airport
June Lowest Airfares
USD185

The airfare displayed above is for Delta Air Lines

Set calendar for this month

Lambert－Seattle-Tacoma Airport
July Lowest Airfares
USD174

The airfare displayed above is for Delta Air Lines

Set calendar for this month
Lambert－Seattle-Tacoma Airport
August Lowest Airfares
USD304

The airfare displayed above is for United Airlines

Set calendar for this month
Lambert－Seattle-Tacoma Airport
September Lowest Airfares
USD188

The airfare displayed above is for Delta Air Lines

Set calendar for this month

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)
USD287〜
Lambert－Washington D.C(Washington Dulles)
USD198〜
Lambert－Washington D.C(Ronald Reagan Washington National)
USD220〜
Lambert－Washington D.C(Baltimore-Washington)
USD301〜
Lambert－Chicago(O'Hare)
USD162〜
Lambert－Chicago(Midway)
USD232〜
Lambert－Dallas(Love Field)
USD264〜
Lambert－Dallas(/Fort Worth)
USD282〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Syracuse Hancock Airport－Seattle(-Tacoma)
USD430〜
Tampa Airport－Seattle(-Tacoma)
USD351〜
Tri-Cities Regional Airport－Seattle(-Tacoma)
USD517〜
Tulsa Airport－Seattle(-Tacoma)
USD344〜
Tucson Airport－Seattle(-Tacoma)
USD232〜
* Fares vary in accordance to seat availability