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Fares from Seattle to St. Louis
Compare live prices for SEA to STL on Wed, 18 Mar 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
SEA β†’ STL Approx. 2744.34 km 18 Mar 2026 Live inventory
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Seattle (SEA)
πŸ“ Seattle Tacoma International Airport
🌍 United States
πŸ• GMT -8
πŸ“ Latitude: 47.449001
πŸ“ Longitude: -122.308998
St. Louis (STL)
πŸ“ St Louis Lambert International Airport
🌍 United States
πŸ• GMT -6
πŸ“ Latitude: 38.748697
πŸ“ Longitude: -90.370003

✈ Distance: Seattle,USA to St. Louis,USA β€” 2744.34 km

πŸ“… Results on this page are loaded for 18 Mar 2026. Click View all flights for the complete live search.

Seattle to St. Louis β€” what to expect when booking

The SEA–STL route is served by multiple carriers throughout the year. Fares on this route can move quickly β€” a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Seattle,USA and St. Louis,USA is approximately 2744.34 km.

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More flights from Seattle (SEA)
87 routes
Seattle β†’ Albuquerque
SEA β†’ ABQ
Seattle β†’ Amsterdam
SEA β†’ AMS
Seattle β†’ Anchorage
SEA β†’ ANC
Seattle β†’ Atlanta
SEA β†’ ATL
Seattle β†’ Austin
SEA β†’ AUS
Seattle β†’ Beijing
SEA β†’ PEK
Seattle β†’ Bellingham
SEA β†’ BLI
Seattle β†’ Billings
SEA β†’ BIL
Seattle β†’ Boise
SEA β†’ BOI
Seattle β†’ Boston
SEA β†’ BOS
Seattle β†’ Bozeman
SEA β†’ BZN
Seattle β†’ Burbank
SEA β†’ BUR
Seattle β†’ Calgary
SEA β†’ YYC
Seattle β†’ Charlotte
SEA β†’ CLT
Seattle β†’ Chicago
SEA β†’ ORD
Seattle β†’ Colorado Springs
SEA β†’ COS
Seattle β†’ Dallas
SEA β†’ DAL
Seattle β†’ Denver
SEA β†’ DEN
Seattle β†’ Detroit
SEA β†’ DTW
Seattle β†’ Dubai
SEA β†’ DXB
Seattle β†’ Edmonton
SEA β†’ YEG
Seattle β†’ Eugene
SEA β†’ EUG
Seattle β†’ Fairbanks
SEA β†’ FAI
Seattle β†’ Fort Lauderdale
SEA β†’ FLL
Seattle β†’ Fort Worth
SEA β†’ DFW
Seattle β†’ Frankfurt
SEA β†’ FRA
Seattle β†’ Fresno
SEA β†’ FAT
Seattle β†’ Great Falls
SEA β†’ GTF
Seattle β†’ Helena
SEA β†’ HLN
Seattle β†’ Honolulu
SEA β†’ HNL
Seattle β†’ Houston
SEA β†’ IAH
Seattle β†’ Juneau
SEA β†’ JNU
Seattle β†’ Kahului
SEA β†’ OGG
Seattle β†’ Kalispell
SEA β†’ FCA
Seattle β†’ Kansas City
SEA β†’ MCI
Seattle β†’ Kelowna
SEA β†’ YLW
Seattle β†’ Ketchikan
SEA β†’ KTN
Seattle β†’ Kona
SEA β†’ KOA
Seattle β†’ Las Vegas
SEA β†’ LAS
Seattle β†’ Lewiston
SEA β†’ LWS
Seattle β†’ Lihue
SEA β†’ LIH
Seattle β†’ London
SEA β†’ LHR
Seattle β†’ Long Beach
SEA β†’ LGB
Seattle β†’ Los Angeles
SEA β†’ LAX
Seattle β†’ Medford
SEA β†’ MFR
Seattle β†’ Miami
SEA β†’ MIA
Seattle β†’ Milwaukee
SEA β†’ MKE
Seattle β†’ Minneapolis
SEA β†’ MSP
Seattle β†’ Missula
SEA β†’ MSO
Seattle β†’ New York
SEA β†’ EWR
Seattle β†’ Oakland
SEA β†’ OAK
Seattle β†’ Omaha
SEA β†’ OMA
Seattle β†’ Ontario
SEA β†’ ONT
Seattle β†’ Orlando
SEA β†’ MCO
Seattle β†’ Palm Springs
SEA β†’ PSP
Seattle β†’ Paris
SEA β†’ CDG
Seattle β†’ Pasco
SEA β†’ PSC
Seattle β†’ Philadelphia
SEA β†’ PHL
Seattle β†’ Phoenix
SEA β†’ PHX
Seattle β†’ Portland International
SEA β†’ PDX
Seattle β†’ Pullman
SEA β†’ PUW
Seattle β†’ Redmond
SEA β†’ RDM
Seattle β†’ Reno
SEA β†’ RNO
Seattle β†’ Reykjavik
SEA β†’ KEF
Seattle β†’ Sacramento
SEA β†’ SMF
Seattle β†’ Salt Lake City
SEA β†’ SLC
Seattle β†’ San Antonio
SEA β†’ SAT
Seattle β†’ San Diego
SEA β†’ SAN
Seattle β†’ San Francisco
SEA β†’ SFO
Seattle β†’ San Jose
SEA β†’ SJC
Seattle β†’ Santa Ana
SEA β†’ SNA
Seattle β†’ Santa Barbara
SEA β†’ SBA
Seattle β†’ Santa Rosa
SEA β†’ STS
Seattle β†’ Seoul
SEA β†’ ICN
Seattle β†’ Shanghai
SEA β†’ PVG
Seattle β†’ Spokane
SEA β†’ GEG
Seattle β†’ Taipei
SEA β†’ TPE
Seattle β†’ Tampa
SEA β†’ TPA
Seattle β†’ Tokyo
SEA β†’ HND
Seattle β†’ Toronto
SEA β†’ YYZ
Seattle β†’ Tucson
SEA β†’ TUS
Seattle β†’ Vancouver
SEA β†’ YVR
Seattle β†’ Victoria
SEA β†’ YYJ
Seattle β†’ Walla Walla
SEA β†’ ALW
Seattle β†’ Washington DC
SEA β†’ BWI
Seattle β†’ Wenatchee
SEA β†’ EAT
Seattle β†’ Yakima
SEA β†’ YKM
More flights from St. Louis (STL)
55 routes
St. Louis β†’ Atlanta
STL β†’ ATL
St. Louis β†’ Boston
STL β†’ BOS
St. Louis β†’ Burlington IA
STL β†’ BRL
St. Louis β†’ Cancun
STL β†’ CUN
St. Louis β†’ Cape Girardeau
STL β†’ CGI
St. Louis β†’ Charlotte
STL β†’ CLT
St. Louis β†’ Chicago
STL β†’ MDW
St. Louis β†’ Cincinnati
STL β†’ CVG
St. Louis β†’ Cleveland
STL β†’ CLE
St. Louis β†’ Columbus
STL β†’ CMH
St. Louis β†’ Dallas
STL β†’ DAL
St. Louis β†’ Decatur
STL β†’ DEC
St. Louis β†’ Denver
STL β†’ DEN
St. Louis β†’ Detroit
STL β†’ DTW
St. Louis β†’ Fort Lauderdale
STL β†’ FLL
St. Louis β†’ Fort Leonard Wood
STL β†’ TBN
St. Louis β†’ Fort Myers
STL β†’ RSW
St. Louis β†’ Fort Worth
STL β†’ DFW
St. Louis β†’ Grand Rapids
STL β†’ GRR
St. Louis β†’ Houston
STL β†’ IAH
St. Louis β†’ Houston
STL β†’ HOU
St. Louis β†’ Jonesboro
STL β†’ JBR
St. Louis β†’ Kansas City
STL β†’ MCI
St. Louis β†’ Kirksville
STL β†’ IRK
St. Louis β†’ Las Vegas
STL β†’ LAS
St. Louis β†’ Little Rock
STL β†’ LIT
St. Louis β†’ Los Angeles
STL β†’ LAX
St. Louis β†’ Marion
STL β†’ MWA
St. Louis β†’ Miami
STL β†’ MIA
St. Louis β†’ Milwaukee
STL β†’ MKE
St. Louis β†’ Minneapolis
STL β†’ MSP
St. Louis β†’ Montego Bay
STL β†’ MBJ
St. Louis β†’ Nashville
STL β†’ BNA
St. Louis β†’ New Orleans
STL β†’ MSY
St. Louis β†’ New York
STL β†’ JFK
St. Louis β†’ Oklahoma City
STL β†’ OKC
St. Louis β†’ Omaha
STL β†’ OMA
St. Louis β†’ Orlando
STL β†’ MCO
St. Louis β†’ Owensboro
STL β†’ OWB
St. Louis β†’ Philadelphia
STL β†’ PHL
St. Louis β†’ Phoenix
STL β†’ PHX
St. Louis β†’ Pittsburgh International Airport
STL β†’ PIT
St. Louis β†’ Puerto Vallarta
STL β†’ PVR
St. Louis β†’ Punta Cana
STL β†’ PUJ
St. Louis β†’ Quincy
STL β†’ UIN
St. Louis β†’ Raleigh
STL β†’ RDU
St. Louis β†’ Salt Lake City
STL β†’ SLC
St. Louis β†’ San Antonio
STL β†’ SAT
St. Louis β†’ San Diego
STL β†’ SAN
St. Louis β†’ San Francisco
STL β†’ SFO
St. Louis β†’ Seattle
STL β†’ SEA
St. Louis β†’ Tampa
STL β†’ TPA
St. Louis β†’ Toronto
STL β†’ YYZ
St. Louis β†’ Tulsa
STL β†’ TUL
St. Louis β†’ Washington DC
STL β†’ DCA
❓ Frequently asked questions β€” Seattle to St. Louis flights

Generally yes β€” fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Seattle,USA (SEA) and St. Louis,USA (STL) is approximately 2744.34 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.