Find The Best Day To Fly from Seattle to St. Louis
Amazing American Airlines SEA to STL Flight Deals
The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $183 round trip and $98 one way. Prices and availability subject to change. Additional terms may apply.
STL From SEA Economy Coach Packages on Similar Airlines
Frequently asked questions
Discover our best American Airlines flight from Seattle SEA to St. Louis STL
To find the best deals on flights to Seattle from St. Louis with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Seattle SEA to St. Louis STL with American Airlines
If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option. With airfares ranging from $183 to $234, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way American Airlines flights from Seattle SEA to St. Louis STL
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way American Airlines flight from Seattle to St. Louis costs from $98. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to St. Louis STL from Seattle SEA with American Airlines
To find a cheap American Airlines flight from Seattle SEA to St. Louis STL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on American Airlines flights from Seattle SEA to St. Louis STL
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as January, or if you book a flight with a stopover.
Find nonstop flights from Seattle SEA to St. Louis STL with American Airlines
If you’re keen to be on St. Louis soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around 7 hour(s) 48 min(s) – so you’ll be there before you know it.
Flexible airline tickets for American Airlines flights from Seattle SEA to St. Louis STL
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to St. Louis STL from Seattle SEA with American Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DFW | USA | Dallas-Fort Worth Intl. | 599 |
CLT | USA | Charlotte-Douglas Intl. | 536 |
ORD | USA | O'Hare Intl. | 317 |
PHL | USA | Philadelphia Intl. | 247 |
MIA | USA | Miami Intl. | 193 |
DCA | USA | Ronald Reagan Washington National | 152 |
PHX | USA | Sky Harbor Intl. | 141 |
LAX | USA | Los Angeles Intl. | 81 |
LGA | USA | LaGuardia | 72 |
BOS | USA | Logan Intl. | 57 |
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Popular American Airlines Flight Routes from SEA
Top American Airlines Flight Routes from STL
Top Flights for American Airlines originating from SEA
Domestic
- Washington to San Salvador (IAD - SAL)
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- Boston to Orlando (BOS - MCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- New York to Santiago (JFK - STI)
- Boston to Orlando (BOS - MCO)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Lisbon to Toronto (LIS - YYZ)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Chicago to Orlando (ORD - MCO)
International
- Los Angeles to San Salvador (LAX - SAL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Houston to San Salvador (IAH - SAL)
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- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Houston to San Salvador (IAH - SAL)
- Los Angeles to San Salvador (LAX - SAL)
- Chicago to Mexico City (ORD - MEX)
- Boston to Orlando (BOS - MCO)
- New York to Santiago (JFK - STI)