How long is the flight from Washington, D.C. to Key West?

Airlines like Delta and United Airlines fly from Washington, D.C. to Key West in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 1h 39m. Washington, D.C. and Key West are separated by a distance of 1052 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington, D.C. to Key West round-trip?

Our cheapest airline available from Washington, D.C. to Key West is Delta. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $274 and $279 round-trip. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What are the most popular routes from Washington, D.C. to Key West?

Most travelers choose Washington, D.C. Reagan-National - Key West, Washington, D.C. Dulles Intl - Key West or Baltimore/Washington - Key West when deciding on the best route from Washington, D.C. to Key West.

What are the cheapest flights from Washington, D.C. to Key West?

On average you can expect to pay $447 for a flight from Washington, D.C. to Key West. The cheapest flight overall is $390 while the most popular route, (Washington, D.C. Reagan-National - Key West) is currently priced at $335.

What are the most popular airlines that fly from Washington, D.C. to Key West?

Consider American Airlines, United Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Key West.

Most accurate provider : When it comes to deals on Washington, D.C.-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Key West flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Key West from Washington, D.C.?

If you book a flight to Key West from Washington, D.C., you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West. There is 1 flight from Washington, D.C. to Key West per day from 3 different airlines.

Can I find deals for flights from Washington, D.C. to Key West that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Key West?

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

Can I find deals for business class flights from Washington, D.C. to Key West?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$109+ Cheap Flights from Washington, D.C. to Key West

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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”

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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

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Cheapflights Tip: The best prices from Washington, D.C. to Key West are usually found in April or October, booked 64 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Key West

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Key West
Explore the most affordable flight options available from Washington, D.C. to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.

Tue 9/228:19 am -

1 stop25h 05m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/16

$191

Tue 9/1510:22 am -

2 stops23h 02m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$202

Sat 9/1210:22 am -

2 stops24h 59m

Sat 9/1910:04 am -

1 stop11h 55m

Deal found 8/15

$204

Thu 9/179:25 pm -

2 stops35h 59m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$205

Sat 9/198:19 am -

1 stop27h 02m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$207

Sat 9/2611:12 am -

1 stop23h 07m

Sat 10/310:04 am -

1 stop8h 29m

Deal found 8/16

$207

Sat 10/109:52 pm -

1 stop12h 27m

Wed 10/1410:04 am -

1 stop7h 34m

Deal found 8/15

$209

Tue 9/1510:22 am -

2 stops23h 02m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/17

$213

Thu 9/179:25 pm -

2 stops35h 59m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/17

$216

Sat 9/127:28 pm -

1 stop15h 53m

Thu 9/1712:01 pm -

2 stops12h 09m

Deal found 8/18

$220

Sat 10/107:26 pm -

1 stop12h 46m

Wed 10/1410:04 am -

1 stop8h 37m

Deal found 8/15

$223

Tue 10/66:38 am -

2 stops26h 46m

Fri 10/910:20 pm -

1 stop10h 00m

Deal found 8/17

$228

Best flights from Washington, D.C. to Key West
Discover carefully curated flight deals from Washington, D.C. to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Sat 10/242:11 pm -

1 stop5h 50m

Wed 10/287:40 am -

1 stop5h 26m

Deal found 8/19

$329

Mon 10/56:00 am -

1 stop7h 29m

Sat 10/104:00 pm -

1 stop6h 52m

Deal found 8/18

$438

Mon 10/126:00 am -

1 stop4h 47m

Mon 10/196:10 pm -

1 stop5h 34m

Deal found 8/20

$329

Thu 11/52:11 pm -

1 stop5h 50m

Tue 11/106:02 pm -

1 stop5h 28m

Deal found 8/18

$329

Mon 9/146:00 am -

1 stop4h 46m

Tue 9/227:40 am -

1 stop5h 16m

Deal found 8/17

$329

Mon 10/56:45 am -

1 stop6h 44m

Sat 10/104:00 pm -

1 stop5h 11m

Deal found 8/18

$438

Wed 9/3010:15 am -

1 stop7h 08m

Wed 10/77:40 am -

1 stop6h 28m

Deal found 8/16

$335

Sat 10/33:15 pm -

1 stop4h 45m

Wed 10/711:51 am -

1 stop5h 19m

Deal found 8/19

$335

Sat 9/269:09 am -

1 stop5h 09m

Sat 10/34:00 pm -

1 stop6h 59m

Deal found 8/18

$474

Sat 10/33:15 pm -

1 stop4h 45m

Wed 10/146:10 pm -

1 stop6h 32m

Deal found 8/15

$335

Sun 9/136:00 am -

1 stop4h 46m

Sat 9/196:19 pm -

1 stop6h 22m

Deal found 8/15

$335

Wed 9/306:00 am -

1 stop4h 46m

Wed 10/72:00 pm -

1 stop6h 39m

Deal found 8/16

$361

Thu 11/121:09 pm -

2 stops26h 20m

Tue 11/172:50 pm -

1 stop6h 37m

Deal found 8/19

$616

Sat 10/310:14 am -

1 stop7h 09m

Wed 10/72:00 pm -

1 stop7h 49m

Deal found 8/19

$397

Wed 10/286:10 am -

1 stop7h 42m

Sun 11/14:10 pm -

1 stop8h 20m

Deal found 8/19

$649

Mon 10/126:00 am -

1 stop4h 47m

Mon 10/196:10 pm -

1 stop5h 37m

Deal found 8/20

$397

Sat 10/173:03 pm -

1 stop4h 58m

Tue 10/2011:51 am -

1 stop5h 19m

Deal found 8/17

$397

Fri 10/236:00 am -

1 stop4h 47m

Mon 10/267:40 am -

1 stop6h 28m

Deal found 8/16

$414

Sat 9/266:00 am -

1 stop4h 46m

Sat 10/37:40 am -

1 stop5h 18m

Deal found 8/16

$419

Thu 11/1212:26 pm -

1 stop7h 36m

Tue 11/177:35 am -

1 stop5h 24m

Deal found 8/18

$440

Thu 10/152:11 pm -

1 stop5h 50m

Mon 10/196:10 pm -

1 stop6h 41m

Deal found 8/15

$444

Thu 11/123:00 pm -

1 stop5h 02m

Tue 11/176:02 pm -

1 stop6h 37m

Deal found 8/19

$459

Fri 10/236:00 am -

1 stop4h 47m

Mon 10/266:10 pm -

1 stop5h 37m

Deal found 8/16

$477

Thu 8/276:00 am -

1 stop4h 50m

Sun 8/307:40 am -

1 stop5h 25m

Deal found 8/19

$514

Sat 9/52:54 pm -

1 stop5h 03m

Tue 9/86:19 pm -

1 stop6h 22m

Deal found 8/15

$517

Sat 9/262:03 pm -

1 stop5h 57m

Mon 9/286:19 pm -

1 stop5h 05m

Deal found 8/20

$529

Tue 9/226:00 am -

1 stop4h 46m

Fri 9/257:40 am -

1 stop7h 15m

Deal found 8/15

$575

Fri 11/66:00 am -

1 stop6h 53m

Mon 11/96:02 pm -

1 stop6h 37m

Deal found 8/20

$579

Sat 10/179:37 am -

2 stops10h 24m

Tue 10/206:10 pm -

1 stop5h 37m

Deal found 8/17

$765

Mon 9/146:10 am -

2 stops11h 13m

Sat 9/196:19 pm -

1 stop5h 25m

Deal found 8/19

$850

Last-minute flights from Washington, D.C. to Key West
Discover last-minute flight deals from Washington, D.C. to Key West. Data last updated August 20, 2026 and is based on user searches.

Wed 9/911:12 am -

1 stop23h 07m

Sat 9/1210:04 am -

1 stop8h 29m

Deal found 8/15

$235

Sat 9/1210:22 am -

2 stops24h 59m

Sat 9/1910:04 am -

1 stop11h 55m

Deal found 8/15

$204

Sat 9/127:28 pm -

1 stop15h 53m

Thu 9/1712:01 pm -

2 stops12h 09m

Deal found 8/18

$220

Tue 9/1510:22 am -

2 stops23h 02m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$202

Tue 9/1510:22 am -

2 stops23h 02m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/17

$213

Thu 9/179:25 pm -

2 stops35h 59m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$205

Thu 9/179:25 pm -

2 stops35h 59m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/17

$216

Fri 9/181:50 pm -

1 stop19h 34m

Thu 9/2412:01 pm -

2 stops53h 17m

Deal found 8/19

$230

Sat 9/198:19 am -

1 stop27h 02m

Sat 9/2610:04 am -

1 stop11h 55m

Deal found 8/17

$207

Tue 9/228:19 am -

1 stop25h 05m

Fri 9/2510:59 am -

1 stop21h 32m

Deal found 8/16

$191

Sat 9/2611:12 am -

1 stop23h 07m

Sat 10/310:04 am -

1 stop8h 29m

Deal found 8/16

$207

Wed 9/309:25 pm -

2 stops36h 54m

Wed 10/710:04 am -

1 stop11h 55m

Deal found 8/16

$234

One-way flights from Washington, D.C. to Key West
Search for one-way flight options from Washington, D.C. to Key West. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Wed 9/911:12 am -

1 stop24h 23m

Deal found 8/15

$109

Sat 10/109:52 pm -

1 stop12h 27m

Deal found 8/19

$114

Thu 9/109:25 pm -

2 stops35h 59m

Deal found 8/18

$117

Thu 9/109:04 pm -

2 stops36h 20m

Deal found 8/18

$117

Mon 9/219:25 pm -

2 stops35h 59m

Deal found 8/16

$118

Mon 9/219:04 pm -

2 stops36h 20m

Deal found 8/16

$118

Tue 9/1510:22 am -

2 stops23h 02m

Deal found 8/16

$121

Sat 9/58:39 pm -

2 stops39h 52m

Deal found 8/16

$124

Mon 9/149:25 pm -

2 stops35h 59m

Deal found 8/17

$125

Thu 10/299:24 am -

2 stops22h 15m

Deal found 8/16

$133

Sat 9/56:28 pm -

2 stops24h 45m

Deal found 8/16

$134

Sun 10/113:53 pm -

1 stop19h 11m

Deal found 8/19

$134

Find flight deals from Washington, D.C. to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$191 (Kiwi.com)
One-way from	$109 (Kiwi.com)
Popular in	November
Cheapest in	April
Average price	$474
Good round-trip deal	$414 or less
Good one-way deal	$272 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Key West flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Key West flights.

Search Deals

From Washington, D.C. (WAS) to Key West

Search Deals

One-way flight from Washington, D.C. (WAS) to Key West

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to Key West.

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to Key West.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreKey West

BWI Baltimore/Washington - EYW Key West

BWIEYW

Baltimore/Washington

Sat 10/24

2:11 pm-8:01 pm

1 stop5h 50m

Key West

Wed 10/28

7:40 am-1:06 pm

1 stop5h 26m

$329

BaltimoreKey West

BWI Baltimore/Washington - EYW Key West

BWIEYW

Baltimore/Washington

Mon 10/12

6:00 am-10:47 am

1 stop4h 47m

Key West

Mon 10/19

6:10 pm-11:44 pm

1 stop5h 34m

$329

BaltimoreKey West

BWI Baltimore/Washington - EYW Key West

BWIEYW

Baltimore/Washington

Thu 11/5

2:11 pm-8:01 pm

1 stop5h 50m

Key West

Tue 11/10

6:02 pm-11:30 pm

1 stop5h 28m

$329

Quickest round-trip

BaltimoreKey West

BWI Baltimore/Washington - EYW Key West

BWIEYW

Baltimore/Washington

Mon 9/14

6:00 am-10:46 am

1 stop4h 46m

Key West

Tue 9/22

7:40 am-12:56 pm

1 stop5h 16m

$329

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Wed 9/30

10:15 am-5:23 pm

1 stop7h 08m

Key West

Wed 10/7

7:40 am-2:08 pm

1 stop6h 28m

$335

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 10/3

3:15 pm-8:00 pm

1 stop4h 45m

Key West

Wed 10/7

11:51 am-5:10 pm

1 stop5h 19m

$335

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sat 10/3

3:15 pm-8:00 pm

1 stop4h 45m

Key West

Wed 10/14

6:10 pm-12:42 am

1 stop6h 32m

$335

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sun 9/13

6:00 am-10:46 am

1 stop4h 46m

Key West

Sat 9/19

6:19 pm-12:41 am

1 stop6h 22m

$335

Washington, D.C.Key West

DCA Washington, D.C. Reagan-National - EYW Key West

DCAEYW

Washington, D.C. Reagan-National

Wed 9/30

6:00 am-10:46 am

1 stop4h 46m

Key West

Wed 10/7

2:00 pm-8:39 pm

1 stop6h 39m

$361

Washington, D.C.Key West

DCA Washington, D.C. Reagan-National - EYW Key West

DCAEYW

Washington, D.C. Reagan-National

Sat 10/3

10:14 am-5:23 pm

1 stop7h 09m

Key West

Wed 10/7

2:00 pm-9:49 pm

1 stop7h 49m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Key West

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Key West in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Key West flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Washington, D.C. with our price prediction graph.

WAS-EYW

BWI-EYW

IAD-EYW

DCA-EYW

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 Washington, D.C. to Key West

WAS-EYW

BWI-EYW

IAD-EYW

DCA-EYW

What is the cheapest month to book a flight from Washington, D.C. to Key West?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $389). Flying from Washington, D.C. to Key West in November is currently the most expensive (average of $533). 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 WAS to EYW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Key West as you normally would.

Weekly flight availability from Washington, D.C. to Key West

The most flights from WAS to EYW are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Washington, D.C. to Key West?

Airfare is below average for this route at the moment.

Washington, D.C. to Key West flights typically cost between $331 and $565 in September.
The cheapest round-trip price found within the last 5 days was $191 on Multiple Airlines (Sep 22-Sep 25).

How far ahead should I book a flight from Washington, D.C. to Key West?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Key West

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,505 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Delta

7.8

Good

8,505 reviews

Delta

7.8

Good

8,505 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

United Airlines

7.4

Good

10,102 reviews

Delta

7.8

Good

8,505 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

American Airlines

7.1

Good

11,968 reviews

Delta

7.8

Good

8,505 reviews

Reviews

1 / 20

4.0

Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

What airport do you fly into for flights to Key West from Washington, D.C.?
If you book a flight to Key West from Washington, D.C., you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West. There is 1 flight from Washington, D.C. to Key West per day from 3 different airlines.
How long is the flight from Washington, D.C. to Key West?
Airlines like Delta and United Airlines fly from Washington, D.C. to Key West in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 1h 39m. Washington, D.C. and Key West are separated by a distance of 1052 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. to Key West round-trip?
Our cheapest airline available from Washington, D.C. to Key West is Delta. Our recent data shows that you can find tickets from as low as $248 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $274 and $279 round-trip. Delta is 44% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most popular routes from Washington, D.C. to Key West?
Most travelers choose Washington, D.C. Reagan-National - Key West, Washington, D.C. Dulles Intl - Key West or Baltimore/Washington - Key West when deciding on the best route from Washington, D.C. to Key West.
What are the cheapest flights from Washington, D.C. to Key West?
On average you can expect to pay $447 for a flight from Washington, D.C. to Key West. The cheapest flight overall is $390 while the most popular route, (Washington, D.C. Reagan-National - Key West) is currently priced at $335.
Can I find deals for flights from Washington, D.C. to Key West that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Key West.
Can I find deals for business class flights from Washington, D.C. to Key West?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Key West?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $389). Flying from Washington, D.C. to Key West in November is currently the most expensive (average of $533). 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.

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Top 3 airlines flying from Washington, D.C. to Key West

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$248	Average$486	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$274	Average$493	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$279	Average$468	FlexibilityNo cancel fee	On-time69%

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$109+ Cheap flights from Washington, D.C. (WAS) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to Key West

Cheapest flights from Washington, D.C. to Key WestExplore the most affordable flight options available from Washington, D.C. to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.

Explore the most affordable flight options available from Washington, D.C. to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.

Best flights from Washington, D.C. to Key WestDiscover carefully curated flight deals from Washington, D.C. to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Discover carefully curated flight deals from Washington, D.C. to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Washington, D.C. to Key WestDiscover last-minute flight deals from Washington, D.C. to Key West. Data last updated August 20, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Key West. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Key WestSearch for one-way flight options from Washington, D.C. to Key West. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Search for one-way flight options from Washington, D.C. to Key West. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

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Use the filters below to find and compare flights from Washington, D.C. to Key West that are best for you.

Compare providers for flights from Washington, D.C. to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Key West in August.

Best time to book a flight from Washington, D.C. to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Washington, D.C. with our price prediction graph.

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What is the cheapest month to book a flight from Washington, D.C. to Key West?

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

Find hourly flight availability from Washington, D.C. 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 August 20, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Key West as you normally would.

Weekly flight availability from Washington, D.C. to Key West

The most flights from WAS to EYW are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Washington, D.C. to Key West?

Airfare is below average for this route at the moment.

Washington, D.C. to Key West flights typically cost between $331 and $565 in September.The cheapest round-trip price found within the last 5 days was $191 on Multiple Airlines (Sep 22-Sep 25).

How far ahead should I book a flight from Washington, D.C. to Key West?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Key West

Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Key West from Washington, D.C.?

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What are the cheapest airlines flying from Washington, D.C. to Key West round-trip?

What are the most popular routes from Washington, D.C. to Key West?

What are the cheapest flights from Washington, D.C. to Key West?

Can I find deals for flights from Washington, D.C. to Key West that include hotel bookings?

How can I find direct flights from Washington, D.C. to Key West?

Can I find deals for business class flights from Washington, D.C. to Key West?

What is the cheapest month to book a flight from Washington, D.C. to Key West?

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Other flights to Key West

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Washington, D.C. and Key West flights

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Washington, D.C. to Key West flights

Consider these flights traveling from Washington, D.C. to Key West.

Top 3 airlines flying from Washington, D.C. to Key West

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Cheapest flights from Washington, D.C. to Key West
Explore the most affordable flight options available from Washington, D.C. to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.

Best flights from Washington, D.C. to Key West
Discover carefully curated flight deals from Washington, D.C. to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Washington, D.C. to Key West
Discover last-minute flight deals from Washington, D.C. to Key West. Data last updated August 20, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Key West
Search for one-way flight options from Washington, D.C. to Key West. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.

Washington, D.C. to Key West flights typically cost between $331 and $565 in September.
The cheapest round-trip price found within the last 5 days was $191 on Multiple Airlines (Sep 22-Sep 25).