HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$111+ Cheap flights from District of Columbia to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EYW
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from District of Columbia to Key West

Keep the following information in mind while searching for District of Columbia to Key West flight deals. Data was last updated September 15, 2025.

Round-trip from

$272
(Kiwi.com)

One-way from

$111
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$414

Good round-trip deal

$333 or less

Good one-way deal

$288 or less
From District of Columbia to Key West
Search Deals
One-way flight from District of Columbia to Key West
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from District of Columbia to Key West.
Search Deals
Price to beat on a one-way flight from District of Columbia to Key West.
Search Deals

Find flight deals from District of Columbia to Key West

Cheapest flights from District of Columbia to Key West
Explore the most affordable flight options available from District of Columbia to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:38 pmIAD - EYW
1 stop10h 37mMultiple Airlines
Sun 10/198:55 amEYW - IAD
2 stops30h 44mMultiple Airlines
Deal found 9/15$272
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:30 pmIAD - EYW
1 stop13h 32mMultiple Airlines
Wed 10/1510:02 amEYW - IAD
1 stop26h 20mMultiple Airlines
Deal found 9/15$274
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:59 amDCA - EYW
Nonstop2h 59mAmerican Airlines
Mon 11/35:31 pmEYW - DCA
Nonstop2h 55mAmerican Airlines
Deal found 9/14$279
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:59 amDCA - EYW
Nonstop2h 59mAmerican Airlines
Sun 11/25:31 pmEYW - DCA
Nonstop2h 55mAmerican Airlines
Deal found 9/15$280
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:59 amDCA - EYW
Nonstop2h 59mAmerican Airlines
Sun 11/25:31 pmEYW - DCA
Nonstop2h 55mAmerican Airlines
Deal found 9/15$281
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:10 amIAD - EYW
2 stops29h 42mMultiple Airlines
Sun 9/2812:29 pmEYW - IAD
1 stop21h 30mMultiple Airlines
Deal found 9/14$282
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:45 pmDCA - EYW
1 stop6h 21mDelta
Mon 11/31:57 pmEYW - DCA
1 stop5h 36mDelta
Deal found 9/14$289
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:33 pmIAD - EYW
1 stop4h 33mDelta
Wed 11/126:18 pmEYW - IAD
1 stop5h 01mDelta
Deal found 9/15$289
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:07 pmIAD - EYW
1 stop20h 10mMultiple Airlines
Mon 10/139:50 amEYW - IAD
1 stop10h 56mMultiple Airlines
Deal found 9/14$291
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amIAD - EYW
1 stop8h 04mUnited Airlines
Fri 11/143:00 pmEYW - IAD
1 stop5h 57mUnited Airlines
Deal found 9/15$297
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:17 amIAD - EYW
2 stops25h 35mMultiple Airlines
Sun 9/2112:29 pmEYW - IAD
1 stop21h 30mMultiple Airlines
Deal found 9/14$299
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:40 pmIAD - EYW
2 stops16h 37mMultiple Airlines
Sun 10/128:55 amEYW - IAD
1 stop9h 37mMultiple Airlines
Deal found 9/15$300

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from District of Columbia to Key West that are best for you.

Fly from

District of Columbia

Fly to

Key West

Route

Depart

Return

Price

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Fri 10/31

9:59 am-12:58 pm

Nonstop2h 59m

Key West

Sun 11/2

5:31 pm-8:26 pm

Nonstop2h 55m

$279

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 10/14

9:59 am-12:58 pm

Nonstop2h 59m

Key West

Tue 10/21

1:38 pm-4:20 pm

Nonstop2h 42m

$279

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Fri 10/31

1:45 pm-8:06 pm

1 stop6h 21m

Key West

Mon 11/3

1:57 pm-7:33 pm

1 stop5h 36m

$289

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 11/24

1:44 pm-7:53 pm

1 stop6h 09m

Key West

Thu 11/27

7:40 am-3:00 pm

1 stop7h 20m

$319

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 10/28

7:59 am-1:02 pm

1 stop5h 03m

Key West

Sat 11/1

6:17 pm-11:41 pm

1 stop5h 24m

$324

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 2/11

6:00 am-11:03 am

1 stop5h 03m

Key West

Thu 2/19

6:00 pm-12:07 am

1 stop6h 07m

$324

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 11/8

1:45 pm-8:06 pm

1 stop6h 21m

Key West

Sat 11/15

6:18 pm-11:41 pm

1 stop5h 23m

$339

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 9/23

1:40 pm-8:07 pm

1 stop6h 27m

Key West

Sat 9/27

6:10 pm-11:42 pm

1 stop5h 32m

$349

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 10/1

6:00 am-10:55 am

1 stop4h 55m

Key West

Wed 10/8

1:57 pm-6:33 pm

1 stop4h 36m

$354

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 12/2

12:29 pm-8:03 pm

1 stop7h 34m

Key West

Tue 12/9

7:40 am-2:43 pm

1 stop7h 03m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from District of Columbia to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Key West

What is the cheapest month to book a flight from District of Columbia to Key West?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Key West (average of $328). Flying from District of Columbia to Key West in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to EYW?

Find hourly flight availability from District of Columbia to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from District of Columbia to Key West, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from District of Columbia?

    For a flight from District of Columbia to Key West, you will be flying into Key West. Key West (EYW) is just 2.6 mi from the center of the city.

  • How long is the flight from District of Columbia to Key West?

    Airlines like American Airlines and Delta fly from District of Columbia to Key West in about 2h 59m. The time it takes to get you to your destination can typically vary by up to 3h 22m. District of Columbia and Key West are separated by a distance of 1025 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest flights from District of Columbia to Key West?

    Looking for the cheapest flight from District of Columbia to Key West? While on average our users pay $424, our data indicates the cheapest price to be $277. The most popular route (Washington, D.C. Dulles Intl - Key West), is priced around $206.

  • Can I find deals for flights from District of Columbia to Key West that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Key West.

  • Can I find deals for business class flights from District of Columbia to Key West?

    Yes. Cheapflights offers flight deals from District of Columbia to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Key West?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Key West (average of $328). Flying from District of Columbia to Key West in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Key West

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
LaGuardia to Miami flights
Newark to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Orlando flights
Boston to Orlando flights
Dallas/Fort Worth to Orlando flights
Philadelphia to Orlando flights
Dulles Intl to Orlando flights
John F Kennedy Intl to West Palm Beach flights
Los Angeles to Miami flights
Reagan-National to Miami flights
Los Angeles to Orlando flights
Dallas/Fort Worth to Miami flights
Reagan-National to Orlando flights
Newark to West Palm Beach flights
Dulles Intl to Miami flights
Boston to Fort Lauderdale flights
LaGuardia to Tampa flights
John F Kennedy Intl to Tampa flights
Boston to Miami flights
O'Hare Intl to Orlando flights
O'Hare Intl to Fort Lauderdale flights
Philadelphia to Fort Lauderdale flights
Minneapolis to Orlando flights
Newark to Tampa flights
Baltimore to Orlando flights
Seattle to Orlando flights
O'Hare Intl to Miami flights
Baltimore to Fort Lauderdale flights
Cleveland to Orlando flights
Denver to Orlando flights
Dallas/Fort Worth to Fort Lauderdale flights
Atlanta to Miami flights
Providence to Orlando flights
LaGuardia to West Palm Beach flights
Boston to Tampa flights
Philadelphia to Miami flights
Hartford to Orlando flights
Los Angeles to Fort Lauderdale flights
Atlanta to Fort Lauderdale flights
Detroit to Orlando flights
Detroit to Fort Lauderdale flights
Hobby to Orlando flights
Raleigh to Miami flights
Baltimore to Miami flights

Top 3 airlines flying from District of Columbia to Key West

Discover the top 3 airlines that operate flights from District of Columbia to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$502FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$186Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$463FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.