American Airlines Cheap Flights from Washington to Key West

View €178 flight on Fri, 31 Oct 2025Opens in a new window
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Prices were available within the past 7 days and start at €178 for one-way flights and €321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€321 Return, found 23 hours ago
€321
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €321 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€372 Return, found 23 hours ago
€372
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €372 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€528 Return, found 23 hours ago
€528
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €528 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€533 Return, found 23 hours ago
€533
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €533 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€562 Return, found 23 hours ago
€562
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €562 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€575 Return, found 23 hours ago
€575
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €575 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€584 Return, found 23 hours ago
€584
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €584 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€604 Return, found 23 hours ago
€604
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €604 found 23 hours ago
American Airlines
Fri, 31 Oct - Sun, 2 Nov
IAD
Washington
EYW
Key West
€609 Return, found 23 hours ago
€609
Return
found 23 hours ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Key West, returning Sun, 2 Nov, priced at €609 found 23 hours ago
Washington to Key West route information
Origin airport
Washington Dulles Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
1641 km

Frequently asked questions

How much is an American Airlines flight from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport (EYW)?
You'll find cheap return American Airlines flights from €321 from IAD to EYW by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from €178 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to EYW with American Airlines?
American Airlines flights to Key West are often cheaper in the quieter months of September and August. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
Does American Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport (EYW)?
To figure out if there's a direct journey from IAD to EYW with American Airlines or other airlines, check the "Nonstop" box when searching for flights.
What airports does American Airlines fly into in Key West?
Jump on an American Airlines flight from Washington Dulles Intl. Airport (IAD) to Key West, and you're most likely to touch down at Key West Intl. Airport (EYW). This is the airline's primary hub in this destination.
Can I change or cancel my American Airlines flight from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport (EYW)?
Changes are typically free within 24 hours of booking, but your airline may charge a fee after that time. For further information about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your itinerary without extra charges, apply the "No cancel fee" or "Changes included" filter when planning your next escape.
*Available to Expedia members.