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

Departure Date

2025/9
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1Search	2Search	3240	4Search	5295	6217
7Search	8Search	9210	10Search	11Search	12Search	13Search
14Search	15Search	16Search	17Search	18Search	19Search	20Search
21Search	22Search	23Search	24Search	25Search	26249	27186
28Search	29Search	30Search

Select Return Date　　 Change Departure Date

Return Date

2025/9
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------

　　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
September Lowest Airfares
USD186

The airfare displayed above is for Delta Air Lines

Set calendar for this month
Lambert－Seattle-Tacoma Airport
October Lowest Airfares
USD262

The airfare displayed above is for Delta Air Lines

Set calendar for this month

Lambert－Seattle-Tacoma Airport
November Lowest Airfares
USD326

The airfare displayed above is for United Airlines

Set calendar for this month
Lambert－Seattle-Tacoma Airport
December Lowest Airfares
USD292

The airfare displayed above is for Delta Air Lines

Set calendar for this month
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)
USD266〜
Lambert－Washington D.C(Baltimore-Washington)
USD176〜
Lambert－Washington D.C(Ronald Reagan Washington National)
USD208〜
Lambert－Washington D.C(Washington Dulles)
USD243〜
Lambert－Chicago(O'Hare)
USD90〜
Lambert－Chicago(Midway)
USD175〜
Lambert－Dallas(/Fort Worth)
USD137〜
Lambert－Dallas(Love Field)
USD192〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Tampa Airport－Seattle(-Tacoma)
USD212〜
Tri-Cities Regional Airport－Seattle(-Tacoma)
USD523〜
Tulsa Airport－Seattle(-Tacoma)
USD325〜
Tucson Airport－Seattle(-Tacoma)
USD225〜
* Fares vary in accordance to seat availability