
$117 Cheap American Airlines flights from Seattle to Washington (SEA to IAD)
Find The Best Day To Fly from Seattle to Washington
Amazing American Airlines SEA to IAD Flight Deals
The cheapest flights to Washington Dulles Intl. found within the past 7 days were $260 round trip and $117 one way. Prices and availability subject to change. Additional terms may apply.
IAD From SEA Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best American Airlines flight from Seattle SEA to Washington IAD
To find the best deals on flights to Seattle from Washington with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Seattle SEA 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 $260 to $2,785, 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 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 Seattle to Washington costs from $117. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Washington IAD from Seattle SEA with American Airlines
To find a cheap American Airlines flight from Seattle SEA 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 Seattle SEA 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 October, or if you book a flight with a stopover.
Find nonstop flights from Seattle SEA 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 10 hour(s) 57 min(s) – so you’ll be there before you know it.
Flexible airline tickets for American Airlines flights from Seattle SEA 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 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
- American Airlines SEA to ONT
- American Airlines SEA to MCO
- American Airlines SEA to BOS
- American Airlines SEA to DFW
- American Airlines SEA to TPA
- American Airlines SEA to ORD
- American Airlines SEA to LAS
- American Airlines SEA to SAN
- American Airlines SEA to DEN
- American Airlines SEA to EWR
- American Airlines SEA to IAH
Top American Airlines Flight Routes from IAD
Top Flights for American Airlines originating from SEA
Domestic
- New York to Santiago (JFK - STI)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- San Juan to Orlando (SJU - MCO)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Chicago to Orlando (ORD - MCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Atlanta to Las Vegas (ATL - LAS)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- New York to San Juan (JFK - SJU)
International
- Washington to San Salvador (IAD - SAL)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- San Juan to Orlando (SJU - MCO)
- Ontario to San Salvador (ONT - SAL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Los Angeles to San Salvador (LAX - SAL)
- Chicago to Las Vegas (ORD - LAS)
- Orlando to San Juan (MCO - SJU)
- Orlando to San Juan (MCO - SJU)
- New York to Santiago (JFK - STI)
Most Popular
- Philadelphia to Miami (PHL - MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- JetBlue Airways Orlando (MCO) to Las Vegas (LAS) flights
- Boston to Miami (BOS - MIA)
- American Airlines Dallas (DFW) to Las Vegas (LAS) flights
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- New York to Fort Lauderdale (JFK - FLL)
- Baltimore to Las Vegas (BWI - LAS)
- Dallas to Atlanta (DFW - ATL)
- Boston to Los Angeles (BOS - LAX)
- Philadelphia to Atlanta (PHL - ATL)
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- Dallas to Orlando (DFW - MCO)
- Los Angeles to Dallas (LAX - DFW)
- Chicago to Dallas (ORD - DFW)
- Dallas to Denver (DFW - DEN)
- Dallas to Chicago (DFW - ORD)
- Boston to Washington (BOS - DCA)
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- Portland to Las Vegas (PDX - LAS)
- Philadelphia to Tampa (PHL - TPA)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Boston (LAX - BOS)
- JetBlue Airways Boston (BOS) to San Juan (SJU) flights
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- Atlanta to Dallas (ATL - DFW)
- Dallas to Miami (DFW - MIA)
- Cleveland to Orlando (CLE - MCO)
- Los Angeles to Seattle (LAX - SEA)
- Dallas to Los Angeles (DFW - LAX)