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Cheap flights from District of Columbia to Key West from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Key West departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from District of Columbia to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:43 pm - 12:26 pm
IAD
-
EYW
20h 43m2 stops
Multiple Airlines Logo
1:06 pm - 9:13 pm
EYW
-
IAD
8h 07m1 stop
$293Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Delta Logo
7:00 am - 12:48 pm
DCA
-
EYW
5h 48m1 stop
Delta Logo
1:28 pm - 9:23 pm
EYW
-
DCA
7h 55m1 stop
$294Delta
Sat, Jan 31 - Wed, Feb 4
Multiple Airlines Logo
4:13 pm - 4:51 pm
IAD
-
EYW
24h 38m1 stop
Multiple Airlines Logo
2:25 pm - 7:20 am
EYW
-
IAD
16h 55m2 stops
$294Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Delta Logo
1:40 pm - 7:42 pm
DCA
-
EYW
6h 02m1 stop
Delta Logo
5:56 pm - 11:32 pm
EYW
-
DCA
5h 36m1 stop
$296Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
12:40 pm - 7:40 pm
IAD
-
EYW
7h 00m1 stop
Delta Logo
5:56 pm - 12:21 am
EYW
-
IAD
6h 25m1 stop
$296Delta
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
8:55 am - 12:00 pm
DCA
-
EYW
3h 05mnonstop
American Airlines Logo
11:57 am - 2:45 pm
EYW
-
DCA
2h 48mnonstop
$297American Airlines
Mon, Feb 23 - Fri, Feb 27
Multiple Airlines Logo
5:37 pm - 9:09 am
IAD
-
EYW
15h 32m2 stops
Multiple Airlines Logo
11:01 am - 7:12 pm
EYW
-
IAD
8h 11m1 stop
$297Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
American Airlines Logo
7:30 am - 10:38 am
DCA
-
EYW
3h 08mnonstop
American Airlines Logo
1:33 pm - 6:59 pm
EYW
-
DCA
5h 26m1 stop
$298American Airlines
Thu, Jan 29 - Tue, Feb 3
United Airlines Logo
1:00 pm - 4:22 pm
IAD
-
EYW
3h 22mnonstop
United Airlines Logo
6:05 pm - 8:53 pm
EYW
-
IAD
2h 48mnonstop
$301United Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
6:00 am - 1:02 pm
IAD
-
EYW
7h 02m1 stop
United Airlines Logo
2:30 pm - 8:33 pm
EYW
-
IAD
6h 03m1 stop
$303United Airlines
Wed, Jun 10 - Wed, Jun 17

Delta flights from District of Columbia to Key West

Our best Delta deals on District of Columbia to Key West flight tickets
Delta
Jan 31
DCA7:00 amWashington, D.C. Reagan-National
5h 48m
1 stop
EYW12:48 pmKey West
Feb 4
EYW1:28 pmKey West
7h 55m
1 stop
DCA9:23 pmWashington, D.C. Reagan-National
$294
Delta
Feb 21
DCA1:40 pmWashington, D.C. Reagan-National
6h 02m
1 stop
EYW7:42 pmKey West
Feb 25
EYW5:56 pmKey West
5h 36m
1 stop
DCA11:32 pmWashington, D.C. Reagan-National
$296
Delta
Feb 3
DCA12:20 pmWashington, D.C. Reagan-National
4h 51m
1 stop
EYW5:11 pmKey West
Feb 9
EYW6:06 pmKey West
5h 26m
1 stop
DCA11:32 pmWashington, D.C. Reagan-National
$331

United Airlines flights from District of Columbia to Key West

Our best United Airlines deals on District of Columbia to Key West flight tickets
United Airlines
Jan 31
IAD1:00 pmWashington, D.C. Dulles Intl
3h 22m
EYW4:22 pmKey West
Feb 4
EYW6:05 pmKey West
2h 48m
IAD8:53 pmWashington, D.C. Dulles Intl
$301
United Airlines
Jun 10
IAD6:00 amWashington, D.C. Dulles Intl
7h 02m
1 stop
EYW1:02 pmKey West
Jun 17
EYW2:30 pmKey West
6h 03m
1 stop
IAD8:33 pmWashington, D.C. Dulles Intl
$303
United Airlines
Feb 8
IAD1:00 pmWashington, D.C. Dulles Intl
3h 22m
EYW4:22 pmKey West
Feb 15
EYW6:40 pmKey West
2h 40m
IAD9:20 pmWashington, D.C. Dulles Intl
$304

momondo 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, momondo users made 832,500 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from District of Columbia to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 4/9

3:43 pm-12:26 pm

2 stops20h 43m

Key West

Mon 4/13

1:06 pm-9:13 pm

1 stop8h 07m

$293

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 1/31

7:00 am-12:48 pm

1 stop5h 48m

Key West

Wed 2/4

1:28 pm-9:23 pm

1 stop7h 55m

$294

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sun 2/8

4:13 pm-4:51 pm

1 stop24h 38m

Key West

Sun 2/15

2:25 pm-7:20 am

2 stops16h 55m

$294

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 2/21

1:40 pm-7:42 pm

1 stop6h 02m

Key West

Wed 2/25

5:56 pm-11:32 pm

1 stop5h 36m

$296

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 2/11

12:40 pm-7:40 pm

1 stop7h 00m

Key West

Wed 2/18

5:56 pm-12:21 am

1 stop6h 25m

$296

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 2/23

8:55 am-12:00 pm

Nonstop3h 05m

Key West

Fri 2/27

11:57 am-2:45 pm

Nonstop2h 48m

$297

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 2/5

5:37 pm-9:09 am

2 stops15h 32m

Key West

Thu 2/12

11:01 am-7:12 pm

1 stop8h 11m

$297

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Thu 1/29

7:30 am-10:38 am

Nonstop3h 08m

Key West

Tue 2/3

1:33 pm-6:59 pm

1 stop5h 26m

$298

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 1/31

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

Wed 2/4

6:05 pm-8:53 pm

Nonstop2h 48m

$301

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 6/10

6:00 am-1:02 pm

1 stop7h 02m

Key West

Wed 6/17

2:30 pm-8:33 pm

1 stop6h 03m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from District of Columbia to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from District of Columbia to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $372. If you are unable to visit Key West during the month of January, then departing from District of Columbia during the month September is also very affordable. Most momondo users find prices during this month for around $374.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from District of Columbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $367. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to Key West for around $526.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from District of Columbia to Key West at noon for as low as $371. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $465. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to Key West flight route?

Fly from Washington, D.C. Reagan-National to Key West for the best District of Columbia - Key West flight prices

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from District of Columbia for as low as $344 on momondo.

What cabin class options are available on District of Columbia to Key West flights?

There are 3 cabin classes available to choose from on District of Columbia to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to Key West flights?

You could potentially save up to 48% on your flight if you consider stops on a District of Columbia to Key West flight.

Cheap District of Columbia to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Key West

Best Price Found

$389

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from District of Columbia in the past 72 hours is $389. The best round-trip flight deal from District of Columbia to Key West found on momondo in the last 72 hours is $309.
The fastest flight from District of Columbia to Key West takes 3h 05m
Direct flights go from District of Columbia to Key West every day.
There is 1 airport in Key West. From District of Columbia there are direct flights to Key West (EYW).
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Key West Airport?

    Prices for flights from District of Columbia to Key West Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Key West Airport?

  • How old do you have to be to fly from District of Columbia to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from District of Columbia to Key West?

Best airlines flying from District of Columbia to Key West

Compare and see reviews for airlines that fly from District of Columbia to Key West with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $105Free CancellationRating
6.3
8,296 reviews
Search Spirit Airlines flights
DeltaPriceFrom $179Free CancellationRating
7.9
8,033 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,143 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,111 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Key West?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Key West. momondo saves you time and could save you money on your trip.

Can I find flights from District of Columbia to Key West with flexible booking policies on momondo?

Yes. All flights to Key West from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from District of Columbia to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Key West.

I’m not ready to book a flight from District of Columbia to Key West right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.

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