Find The Best Day To Fly from St. Louis to Washington
Amazing American Airlines STL to IAD Flight Deals
The cheapest flights to Washington Dulles Intl. found within the past 7 days were $206 round trip and $138 one way. Prices and availability subject to change. Additional terms may apply.
IAD From STL Economy Coach Packages on Similar Airlines
Frequently asked questions
Discover our best American Airlines flight from St. Louis STL to Washington IAD
To find the best deals on flights to St. Louis from Washington with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from St. Louis STL to Washington IAD 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 $206 to $267, 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 St. Louis STL to Washington IAD
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 St. Louis to Washington costs from $138. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Washington IAD from St. Louis STL with American Airlines
To find a cheap American Airlines flight from St. Louis STL to Washington IAD, 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 St. Louis STL to Washington IAD
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 November, or if you book a flight with a stopover.
Find nonstop flights from St. Louis STL to Washington IAD with American Airlines
If you’re keen to be on Washington soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for American Airlines flights from St. Louis STL to Washington IAD
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 Washington IAD from St. Louis STL 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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Reviewed on Oct 28, 2024
Reviewed on Oct 28, 2024
Reviewed on Oct 29, 2024
Popular American Airlines Flight Routes from STL
- American Airlines STL to EWR
- American Airlines STL to FLL
- American Airlines STL to DEN
- American Airlines STL to LAS
- American Airlines STL to RIC
- American Airlines STL to PHX
- American Airlines STL to CUN
- American Airlines STL to MLB
- American Airlines STL to RTB
- American Airlines STL to RDU
- American Airlines STL to LAX
Top American Airlines Flight Routes from IAD
Top Flights for American Airlines originating from STL
Domestic
- Los Angeles to San Salvador (LAX - SAL)
- Los Angeles to New York (LAX - JFK)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- New York to Orlando (LGA - MCO)
- New York to Santiago (JFK - STI)
- Lisbon to Toronto (LIS - YYZ)
- Chicago to Phoenix (ORD - PHX)
- San Juan to Orlando (SJU - MCO)
- Chicago to Cancun (ORD - CUN)
- Chicago to Orlando (ORD - MCO)
International
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Lisbon to Toronto (LIS - YYZ)
- New York to San Salvador (JFK - SAL)
- Chicago to Phoenix (ORD - PHX)
- Chicago to Cancun (ORD - CUN)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- New York to Santo Domingo (JFK - SDQ)
- Lisbon to Toronto (LIS - YYZ)