£202 Cheap Flights from Washington (IAD) to Key West (EYW)

View £202 flight on Thu, 25 Mar 2027Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Key West Intl. Airport (EYW)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington (IAD) to Key West (EYW)

Prices were available within the past 7 days and start at £202 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Key West, FL (EYW-Key West Intl.)?
Enter IAD to EYW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Key West, FL (EYW-Key West Intl.)?
A nonstop flight from IAD to EYW typically takes around 3 hours 30 minutes, covering approximately 1,026 miles. Connecting flights on this route usually add 3 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Key West, FL (EYW-Key West Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to EYW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
What airports do you fly into for Key West from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly directly into Key West Intl. (EYW) to reach Key West. Some flights may connect through major hubs like Logan Intl. (BOS), Charlotte-Douglas Intl. (CLT), Liberty Intl. (EWR) before reaching Key West. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Key West Intl.
Distance
1641 km

Book with confidence

Compare flights from Washington to Key West easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Key West. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Key West Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Key West Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Key West Intl. (EYW)

The easiest way to view the best deals on flights from Washington to Key West today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Key West Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Key West
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Key West flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Key West Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Key West easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.