Title: Cheap Flights from Washington (IAD) to Key West (EYW) - Expedia.ca ![](https://images.trvl-media.com/place/1187/a7c3fad3-5f12-4d91-8996-ed0e1b61b0a3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1187/a7c3fad3-5f12-4d91-8996-ed0e1b61b0a3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Key West (EYW) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Washington Dulles International Airport (IAD) to Key West Intl. Airport (EYW) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:eyw,departure:07/11/2025TANYT&leg2=from:eyw,to:iad,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:eyw,departure:07/11/2025TANYT&leg2=from:eyw,to:iad,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:eyw,departure:07/11/2025TANYT&leg2=from:eyw,to:iad,departure:14/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Washington (IAD) to Key West (EYW) ### September is typically the cheapest month to fly From CA $276 - CA $701 per traveller. ## Frequently asked questions ### How much is a flight from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport (EYW)? > Pack your bags, because round-trip flights between Dulles Intl. Airport and Key West Intl. Airport start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport? > This can differ from airline to airline, as each one has its own terms and conditions. Visit the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find simple instructions on how to cancel online. ### How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from Dulles Intl. Airport to Key West Intl. Airport (EYW). This allows you to snag a good price ahead of time and still have the freedom to make changes without any additional fees. Keep in mind that you'll need to cover the fare difference. ### How many hours is the flight from Dulles Intl. Airport to Key West Intl. Airport? > There are plenty of ways to make the 5 hours and 2 minutes between Washington Dulles Intl. Airport (IAD) and Key West Intl. Airport (EYW) go by quicker. If you want to be productive, organize your camera roll or delete all those backed-up emails. A nice snooze also helps pass the time! ### How far is the flight from Dulles Intl. Airport to EYW? > The flight distance between Washington Dulles Intl. Airport (IAD) and EYW is 1,650 kilometres. Listen to some music or read a good book and the journey will zip on by. ### Which airlines fly direct from Dulles Intl. Airport to Key West Intl. Airport (EYW)? > Flying straight from Dulles Intl. Airport to EYW is simple with United Airlines (UA). This top airline operates 30 flights each month. ### Are Washington Dulles Intl. Airport (IAD) to Key West Intl. Airport flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally find a bargain, with some super cheap fares from Washington Dulles Intl. Airport (IAD) to EYW emerging a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not every airline releases prices that far in advance. ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Key West Intl. | | Distance | 1641 km | ## Book with confidence ### Chantilly to Key West Flights **The easy way to book your flights from Washington to Key West**  With Expedia, it’s simple to find and book flights to Key West from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Key West Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Key West today, tomorrow, or this week.   **Save dollars with cheap flights from Washington Dulles Intl., IAD to Key West Intl., EYW**  Sort your search results by price to find great deals on your flight from Washington to Key West—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Key West from Washington currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Key West   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Key West from Washington**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Key West with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Hollister to Key West](https://www.expedia.ca/lp/flights/10189/1187/hollister-to-key-west) - [Flights from Davenport to Key West](https://www.expedia.ca/lp/flights/10445/1187/davenport-to-key-west) - [Flights from Kitchener to Key West](https://www.expedia.ca/lp/flights/10579/1187/kitchener-to-key-west) - [Flights from New Bedford to Key West](https://www.expedia.ca/lp/flights/1180/1187/new-bedford-to-key-west) - [Flights from Crown Point to Key West](https://www.expedia.ca/lp/flights/11941/1187/crown-point-to-key-west) - [Flights from Gillette to Key West](https://www.expedia.ca/lp/flights/1289/1187/gillette-to-key-west) - [Flights from Galveston to Key West](https://www.expedia.ca/lp/flights/1341/1187/galveston-to-key-west) - [Flights from Great Falls to Key West](https://www.expedia.ca/lp/flights/1392/1187/great-falls-to-key-west) - [Flights from Chos Malal to Key West](https://www.expedia.ca/lp/flights/1501/1187/chos-malal-to-key-west) - 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