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 $244 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $249 and $310 round-trip. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Washington, D.C. to Key West one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Key West are Delta ($100), American Airlines ($105), and United Airlines ($191).

What is the cheapest day to fly from Washington, D.C. to Key West?

Travelers seeking maximum savings on their Washington, D.C. to Key West flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 $350 for a flight from Washington, D.C. to Key West. The cheapest flight overall is $89 while the most popular route, (Washington, D.C. Reagan-National - Key West) is currently priced at $199.

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

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

What is the cheapest day to fly round-trip from Washington, D.C. to Key West?

Wednesday flights are found to be more expensive to fly from Washington, D.C. to Key West. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Key West.

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

Travelers have found it’s best to book a flight 15 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 15 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to Key West 1-2 weeks in advance for as low as $359, or $539 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. to Key West?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Key West. Flights to Key West from Washington, D.C. in January are about $458 on average during January, but can be found for as low as $179.

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 are 2 flights from Washington, D.C. to Key West per day from 4 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.

$100+ Save on Flights from Washington, D.C. to Key West

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Cheapflights Tip: The best prices from Washington, D.C. to Key West are usually found in January or February, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$244 (Delta)
One-way from	$100 (Delta)
Popular in	December
Cheapest in	January
Average price	$464
Good round-trip deal	$328 or less
Good one-way deal	$129 or less

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

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

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

Search Deals

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

Search Deals

High demand for flights, 4% potential price rise

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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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

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

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

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 March 25, 2025.

Wed 8/2710:58 amBWI - EYW

1 stop4h 22mAmerican Airlines

Sun 8/311:27 pmEYW - BWI

1 stop4h 20mAmerican Airlines

Deal found 3/24

$244

Fri 7/45:40 amBWI - EYW

1 stop5h 13mDelta

Tue 7/86:00 pmEYW - BWI

1 stop6h 17mDelta

Deal found 3/23

$253

Sat 5/106:00 amDCA - EYW

1 stop4h 51mDelta

Tue 5/136:25 pmEYW - DCA

1 stop5h 18mDelta

Deal found 3/23

$264

Sat 5/103:33 pmIAD - EYW

1 stop4h 34mDelta

Tue 5/136:25 pmEYW - IAD

1 stop5h 10mDelta

Deal found 3/23

$264

Sun 5/256:35 pmBWI - EYW

1 stop14h 58mMultiple Airlines

Thu 5/294:06 pmEYW - BWI

2 stops27h 20mMultiple Airlines

Deal found 3/24

$265

Sat 4/2610:00 amDCA - EYW

1 stop6h 05mAmerican Airlines

Thu 5/111:02 amEYW - DCA

Nonstop2h 50mAmerican Airlines

Deal found 3/24

$274

Tue 6/106:00 amDCA - EYW

1 stop6h 53mUnited Airlines

Tue 6/172:12 pmEYW - DCA

1 stop7h 26mUnited Airlines

Deal found 3/23

$310

Mon 6/26:50 pmIAD - EYW

1 stop23h 15mUnited Airlines

Wed 6/42:12 pmEYW - IAD

1 stop7h 01mUnited Airlines

Deal found 3/24

$325

Wed 5/149:11 amIAD - EYW

2 stops9h 38mAmerican Airlines

Tue 5/201:39 pmEYW - IAD

2 stops10h 23mAmerican Airlines

Deal found 3/24

$329

Sun 5/2512:55 pmIAD - EYW

2 stops27h 46mMultiple Airlines

Thu 5/298:53 amEYW - IAD

2 stops23h 21mMultiple Airlines

Deal found 3/24

$330

Sun 4/2711:00 amDCA - EYW

1 stop7h 05mJetBlue

Thu 5/18:45 amEYW - DCA

1 stop7h 15mJetBlue

Deal found 3/24

$423

Tue 4/2910:50 amBWI - EYW

2 stops31h 15mUnited Airlines

Mon 5/56:45 pmEYW - BWI

2 stops19h 31mUnited Airlines

Deal found 3/24

$491

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 March 25, 2025.

Tue 6/1712:00 pmBWI - EYW

1 stop7h 40mDelta

Tue 6/246:29 pmEYW - BWI

1 stop5h 50mDelta

Deal found 3/24

$244

Wed 8/275:11 amBWI - EYW

2 stops7h 50mAmerican Airlines

Sun 8/311:27 pmEYW - BWI

1 stop4h 20mAmerican Airlines

Deal found 3/24

$249

Tue 6/106:00 amDCA - EYW

1 stop6h 53mUnited Airlines

Tue 6/172:12 pmEYW - DCA

1 stop7h 26mUnited Airlines

Deal found 3/23

$310

Sun 4/276:16 pmBWI - EYW

2 stops14h 45mMultiple Airlines

Thu 5/14:24 pmEYW - BWI

2 stops31h 42mMultiple Airlines

Deal found 3/23

$313

Fri 5/303:13 pmIAD - EYW

2 stops23h 49mAllegiant Air

Sun 6/18:53 amEYW - IAD

2 stops29h 30mAllegiant Air

Deal found 3/23

$360

Sat 4/511:00 amDCA - EYW

1 stop7h 05mJetBlue

Mon 4/78:45 amEYW - DCA

1 stop25h 08mJetBlue

Deal found 3/23

$383

Sat 5/106:00 amDCA - EYW

1 stop4h 51mDelta

Tue 5/136:25 pmEYW - DCA

1 stop5h 18mDelta

Deal found 3/23

$264

Sat 4/2610:00 amDCA - EYW

1 stop6h 05mAmerican Airlines

Thu 5/111:02 amEYW - DCA

Nonstop2h 50mAmerican Airlines

Deal found 3/24

$274

Sat 5/103:33 pmIAD - EYW

1 stop4h 34mDelta

Tue 5/136:25 pmEYW - IAD

1 stop5h 10mDelta

Deal found 3/23

$264

Sun 5/255:35 pmIAD - EYW

2 stops21h 47mMultiple Airlines

Thu 5/298:53 amEYW - IAD

2 stops23h 21mMultiple Airlines

Deal found 3/23

$317

Sat 8/211:07 amIAD - EYW

1 stop4h 19mAmerican Airlines

Tue 8/512:50 pmEYW - IAD

1 stop6h 46mAmerican Airlines

Deal found 3/24

$319

Mon 4/288:50 amIAD - EYW

1 stop9h 15mUnited Airlines

Fri 5/28:45 amEYW - IAD

1 stop12h 12mUnited Airlines

Deal found 3/23

$371

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 March 25, 2025 and is based on user searches.

Wed 3/268:40 amIAD - EYW

Nonstop3h 01mUnited Airlines

Mon 4/72:03 pmEYW - IAD

1 stop6h 55mUnited Airlines

Deal found 3/24

$369

Sat 3/2912:00 pmBWI - EYW

1 stop5h 20mDelta

Tue 4/16:15 pmEYW - BWI

1 stop6h 15mDelta

Deal found 3/24

$370

Sat 3/293:59 pmDCA - EYW

1 stop4h 31mDelta

Tue 4/16:15 pmEYW - DCA

1 stop5h 25mDelta

Deal found 3/24

$415

Mon 3/316:00 amDCA - EYW

1 stop7h 04mUnited Airlines

Mon 4/72:03 pmEYW - DCA

1 stop5h 39mUnited Airlines

Deal found 3/24

$324

Mon 3/317:55 amDCA - EYW

Nonstop3h 18mAmerican Airlines

Mon 4/77:29 pmEYW - DCA

1 stop4h 30mAmerican Airlines

Deal found 3/24

$339

Mon 3/315:50 pmIAD - EYW

1 stop24h 15mUnited Airlines

Mon 4/72:03 pmEYW - IAD

1 stop6h 55mUnited Airlines

Deal found 3/24

$400

Mon 3/316:45 amBWI - EYW

2 stops11h 20mUnited Airlines

Sat 4/58:45 amEYW - BWI

2 stops29h 33mUnited Airlines

Deal found 3/24

$684

Tue 4/19:20 amIAD - EYW

2 stops9h 29mAmerican Airlines

Fri 4/41:39 pmEYW - IAD

2 stops10h 17mAmerican Airlines

Deal found 3/24

$498

Wed 4/25:30 amBWI - EYW

2 stops26h 33mMultiple Airlines

Fri 4/49:51 amEYW - BWI

2 stops38h 03mMultiple Airlines

Deal found 3/24

$389

Thu 4/36:15 amBWI - EYW

1 stop6h 08mAmerican Airlines

Mon 4/77:29 pmEYW - BWI

1 stop4h 21mAmerican Airlines

Deal found 3/24

$329

Thu 4/35:40 pmIAD - EYW

2 stops22h 36mMultiple Airlines

Sun 4/68:53 amEYW - IAD

3 stops31h 22mMultiple Airlines

Deal found 3/24

$369

Thu 4/31:48 pmIAD - EYW

1 stop6h 38mDelta

Mon 4/76:10 pmEYW - IAD

1 stop6h 18mDelta

Deal found 3/24

$384

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 March 25, 2025.

Tue 6/35:40 amBWI - EYW

1 stop5h 11mDelta

Deal found 3/24

$100

Tue 4/153:50 pmDCA - EYW

1 stop4h 40mDelta

Deal found 3/23

$100

Tue 6/310:09 amIAD - EYW

1 stop7h 21mDelta

Deal found 3/24

$100

Tue 6/35:00 amBWI - EYW

2 stops7h 51mAmerican Airlines

Deal found 3/24

$105

Tue 4/159:32 pmBWI - EYW

2 stops19h 01mMultiple Airlines

Deal found 3/23

$114

Sun 4/1312:55 pmIAD - EYW

2 stops27h 25mMultiple Airlines

Deal found 3/24

$139

Wed 6/181:44 pmDCA - EYW

1 stop5h 18mAmerican Airlines

Deal found 3/24

$160

Tue 6/35:02 amIAD - EYW

2 stops7h 49mAmerican Airlines

Deal found 3/24

$165

Mon 4/78:50 amIAD - EYW

1 stop9h 15mUnited Airlines

Deal found 3/24

$191

Sat 4/2611:15 amDCA - EYW

2 stops30h 50mUnited Airlines

Deal found 3/23

$197

Fri 4/2511:00 amDCA - EYW

1 stop7h 05mJetBlue

Deal found 3/23

$225

Fri 4/256:15 amBWI - EYW

2 stops25h 45mUnited Airlines

Deal found 3/23

$241

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

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Tue 4/22

6:40 am-12:06 pm

1 stop5h 26m

Key West

Tue 4/29

3:06 pm-7:29 pm

1 stop4h 23m

$244

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Mon 5/12

1:52 pm-8:07 pm

1 stop6h 15m

Key West

Wed 5/21

6:25 pm-12:48 am

1 stop6h 23m

$259

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/10

6:00 am-10:51 am

1 stop4h 51m

Key West

Tue 5/13

6:25 pm-11:43 pm

1 stop5h 18m

$264

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/10

3:33 pm-8:07 pm

1 stop4h 34m

Key West

Tue 5/13

6:25 pm-11:35 pm

1 stop5h 10m

$264

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sun 5/25

6:35 pm-9:33 am

1 stop14h 58m

Key West

Thu 5/29

4:06 pm-7:26 pm

2 stops27h 20m

$265

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 4/26

10:00 am-4:05 pm

1 stop6h 05m

Key West

Thu 5/1

11:02 am-1:52 pm

Nonstop2h 50m

$274

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 6/10

6:00 am-12:53 pm

1 stop6h 53m

Key West

Tue 6/17

2:12 pm-9:38 pm

1 stop7h 26m

$310

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Mon 6/2

6:50 pm-6:05 pm

1 stop23h 15m

Key West

Wed 6/4

2:12 pm-9:13 pm

1 stop7h 01m

$325

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 5/14

9:11 am-6:49 pm

2 stops9h 38m

Key West

Tue 5/20

1:39 pm-12:02 am

2 stops10h 23m

$329

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sun 5/25

12:55 pm-4:41 pm

2 stops27h 46m

Key West

Thu 5/29

8:53 am-8:14 am

2 stops23h 21m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 24 results

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 March.

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

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

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

Booking 81 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.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $328). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $495). 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?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Key West in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the evening.

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

The most flights from WAS to EYW are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Key West by month

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.

Temperature in Key West by month

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).

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Key West have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Delta

8.0

Very good

7,890 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

JetBlue

7.3

Good

2,924 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

Allegiant Air

7.3

Good

730 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Maxine,Apr 2024

BWI - ATL

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 are 2 flights from Washington, D.C. to Key West per day from 4 different airlines.
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 $244 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $249 and $310 round-trip. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Key West one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Key West are Delta ($100), American Airlines ($105), and United Airlines ($191).
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 $350 for a flight from Washington, D.C. to Key West. The cheapest flight overall is $89 while the most popular route, (Washington, D.C. Reagan-National - Key West) is currently priced at $199.
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, August is the cheapest month in which you can book a flight from Washington, D.C. to Key West (average of $328). Flying from Washington, D.C. to Key West in March is currently the most expensive (average of $495). 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

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Other flights to Key West

Top 4 airlines flying from Washington, D.C. to Key West

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$96	Average$382	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$186	Average$459	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$195	Average$348	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$225	Average$492	FlexibilityNo cancel fee	On-time71%

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$100+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Key West are usually found in January or February, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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Find 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 March 25, 2025.

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 March 25, 2025.

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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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Everything you need to know about your flight from Washington, D.C. to Key West

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Key West. Price data was last updated on March 21, 2025.

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 March 25, 2025.

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

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and JetBlue from Washington, D.C. to Key West have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

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What are the cheapest airlines to fly from Washington, D.C. to Key West one-way?

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?

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

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Alternative routes for Washington, D.C. to Key West

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Top 4 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 March 25, 2025.