What airlines fly to Key West?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Key West from District of Columbia according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

How many flights depart from District of Columbia to Key West on average per week?

As of November 2025, 13 flights take off from District of Columbia and land in Key West each week. The most common flight departure day for this route is Fri, with 23% of weekly flights taking off on this day.

How many flights depart from District of Columbia to Key West on average per day?

The number of flights available between District of Columbia and Key West is 1 per day as of November 2025. The most frequent departure time is 7:00AM, with 81% of daily flights leaving at noon.

What is the cheapest airline that flies from District of Columbia to Key West?

Allegiant Air is the most popular carrier operating from District of Columbia to Key West

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?

As of November 2025, there are 3 operators available to choose from 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.

$109 Cheap Flights from District of Columbia to Key West in 2025/26

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Find the cheapest flights from District of Columbia to Key West

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:41 am - 9:17 amIAD-EYW

23h 36m1 stop

2:30 pm - 11:28 amEYW-IAD

20h 58m2 stops

$287Multiple Airlines

Find Deal

Thu, Jan 1 - Mon, Jan 5

7:00 am - 2:13 pmIAD-EYW

7h 13m1 stop

5:10 pm - 7:59 pmEYW-IAD

2h 49mnonstop

$288United Airlines

Find Deal

Thu, Dec 18 - Tue, Dec 23

2:35 pm - 7:55 pmIAD-EYW

5h 20m1 stop

10:29 am - 3:01 pmEYW-IAD

28h 32m1 stop

$290Allegiant Air

Find Deal

Wed, Dec 31 - Sun, Jan 4

2:35 pm - 7:55 pmIAD-EYW

5h 20m1 stop

12:20 pm - 11:23 amEYW-IAD

23h 03m3 stops

$291Multiple Airlines

Find Deal

Wed, Dec 24 - Tue, Dec 30

4:57 pm - 2:42 pmIAD-EYW

21h 45m1 stop

2:30 pm - 11:38 amEYW-IAD

21h 08m2 stops

$292Multiple Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

9:58 pm - 11:20 amIAD-EYW

13h 22m2 stops

1:10 pm - 9:03 pmEYW-IAD

7h 53m1 stop

$293Multiple Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

12:20 pm - 7:40 pmDCA-EYW

7h 20m1 stop

7:10 am - 2:39 pmEYW-DCA

7h 29m1 stop

$296Delta

Find Deal

Wed, Feb 11 - Wed, Feb 18

12:40 pm - 7:40 pmIAD-EYW

7h 00m1 stop

7:10 am - 2:44 pmEYW-IAD

7h 34m1 stop

$296Delta

Find Deal

Wed, Feb 11 - Wed, Feb 18

7:45 am - 10:53 amDCA-EYW

3h 08mnonstop

5:35 pm - 8:23 pmEYW-DCA

2h 48mnonstop

$323American Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

12:25 pm - 3:33 pmDCA-EYW

3h 08mnonstop

7:45 pm - 12:34 amEYW-DCA

4h 49m1 stop

$333American Airlines

Find Deal

Thu, Jan 1 - Tue, Jan 6

American Airlines flights from District of Columbia to Key West

Our best American Airlines deals on District of Columbia to Key West flight tickets

American Airlines

Jan 17

DCA7:45 amWashington, D.C. Reagan-National

3h 08m

EYW10:53 amKey West

Jan 24

EYW11:33 amKey West

2h 40m

DCA2:13 pmWashington, D.C. Reagan-National

$323

Find similar

American Airlines

Jan 17

DCA7:45 amWashington, D.C. Reagan-National

3h 08m

EYW10:53 amKey West

Jan 24

EYW4:37 pmKey West

4h 53m

1 stop

DCA9:30 pmWashington, D.C. Reagan-National

$333

Find similar

American Airlines

Jan 17

DCA5:58 pmWashington, D.C. Reagan-National

5h 58m

1 stop

EYW11:56 pmKey West

Jan 24

EYW6:06 amKey West

6h 38m

1 stop

DCA12:44 pmWashington, D.C. Reagan-National

$343

Find similar

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

Dec 18

IAD7:00 amWashington, D.C. Dulles Intl

7h 13m

1 stop

EYW2:13 pmKey West

Dec 23

EYW5:10 pmKey West

2h 49m

IAD7:59 pmWashington, D.C. Dulles Intl

$288

Find similar

United Airlines

Dec 19

IAD1:06 pmWashington, D.C. Dulles Intl

3h 23m

EYW4:29 pmKey West

Dec 22

EYW1:25 pmKey West

2h 49m

IAD4:14 pmWashington, D.C. Dulles Intl

$304

Find similar

United Airlines

Dec 18

IAD1:06 pmWashington, D.C. Dulles Intl

3h 23m

EYW4:29 pmKey West

Dec 23

EYW5:10 pmKey West

2h 49m

IAD7:59 pmWashington, D.C. Dulles Intl

$309

Find similar

momondo Fare Finder

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 1/1

9:41 am-9:17 am

1 stop23h 36m

Key West

Mon 1/5

2:30 pm-11:28 am

2 stops20h 58m

$287

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 12/18

7:00 am-2:13 pm

1 stop7h 13m

Key West

Tue 12/23

5:10 pm-7:59 pm

Nonstop2h 49m

$288

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 12/31

2:35 pm-7:55 pm

1 stop5h 20m

Key West

Sun 1/4

10:29 am-3:01 pm

1 stop28h 32m

$290

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 12/24

2:35 pm-7:55 pm

1 stop5h 20m

Key West

Tue 12/30

12:20 pm-11:23 am

3 stops23h 03m

$291

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 12/27

4:57 pm-2:42 pm

1 stop21h 45m

Key West

Wed 12/31

2:30 pm-11:38 am

2 stops21h 08m

$292

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Mon 12/22

9:58 pm-11:20 am

2 stops13h 22m

Key West

Mon 12/29

1:10 pm-9:03 pm

1 stop7h 53m

$293

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 2/11

12:20 pm-7:40 pm

1 stop7h 20m

Key West

Wed 2/18

7:10 am-2:39 pm

1 stop7h 29m

$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

7:10 am-2:44 pm

1 stop7h 34m

$296

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 1/17

7:45 am-10:53 am

Nonstop3h 08m

Key West

Sat 1/24

5:35 pm-8:23 pm

Nonstop2h 48m

$323

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Thu 1/1

12:25 pm-3:33 pm

Nonstop3h 08m

Key West

Tue 1/6

7:45 pm-12:34 am

1 stop4h 49m

$333

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $357. 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 $528.

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 in the afternoon. momondo users have found flights departing from District of Columbia to Key West in the afternoon for as low as $340. 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 evening, with an average ticket price of $559. Departure times in the evening 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 $486 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 $380 on momondo.

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

There are 2 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 36% 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	$329
Fastest flight time	2h 57m
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 $329. The best round-trip flight deal from District of Columbia to Key West found on momondo in the last 72 hours is $318.

The fastest flight from District of Columbia to Key West takes 2h 57m

Direct flights go from District of Columbia to Key West every day.

There is 1 airport near Key West: 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?
As of November 2025, there are 3 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Key West is Embraer 175 (54.52% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (17.13%), Airbus A319 (12.15%), and Airbus A320neo (3.43%).

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 Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,159 reviews	Search Spirit Airlines flights
Delta	PriceFrom $117	Free Cancellation	Rating 7.9 7,997 reviews	Search Delta flights
United Airlines	PriceFrom $173	Free Cancellation	Rating 7.4 9,036 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights

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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.

An easier way to manage your Key West trip

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Cheap flights from District of Columbia to Key West from $97

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 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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American Airlines flights from District of Columbia to Key West

Our best American Airlines deals on District of Columbia to Key West flight tickets

United Airlines flights from District of Columbia to Key West

Our best United Airlines deals on District of Columbia to Key West flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Key West that are best for you.

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?

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

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

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?

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

There are 2 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 36% on your flight if you consider stops on a District of Columbia to Key West flight.

What is the cheapest airline that flies from District of Columbia to Key West?

Allegiant Air is the most popular carrier operating from District of Columbia to Key West

What airlines fly to Key West?

How many flights depart from District of Columbia to Key West on average per day?

The number of flights available between District of Columbia and Key West is 1 per day as of November 2025. The most frequent departure time is 7:00AM, with 81% of daily flights leaving at noon.

How many flights depart from District of Columbia to Key West on average per week?

As of November 2025, 13 flights take off from District of Columbia and land in Key West each week. The most common flight departure day for this route is Fri, with 23% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Key West

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

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?

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

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

Traveling to a place near Key West?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida