What is the cheapest airline that flies from Washington, D.C. Reagan-National to Key West?

Delta is the most popular carrier operating from Washington, D.C. Reagan-National to Key West

How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport to Key West Airport.

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

The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$248 Cheap Flights from Washington, D.C. Reagan-National Airport to Key West in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Key West?

Prices are currently low for flights on this route. Typical prices usually range from $487 to $367. The lowest price recently found on this route was $314.

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Key West on average per day?

1 flights are operational daily from Washington, D.C. Reagan-National Airport to Key West as of May 2026. The most popular departure time for this route is 12:00PM, with 53% of flights per day taking off in the afternoon.

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Key West on average per week?

13 flights are operational weekly from Washington, D.C. Reagan-National Airport to Key West as of May 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Key West

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

12:18 pm - 3:14 pm

EYW

DCA

2h 56mnonstop

$314American Airlines

Sat, Jun 6 - Wed, Jun 10

12:27 pm - 7:51 pm

DCA

EYW

7h 24m

1 stop

7:50 am - 12:51 pm

EYW

DCA

5h 01m

1 stop

$319Delta

Mon, Jul 20 - Sat, Jul 25

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

7:29 pm - 11:54 pm

EYW

DCA

4h 25m

1 stop

$324American Airlines

Sat, Jun 27 - Tue, Jun 30

6:59 am - 12:09 pm

DCA

EYW

5h 10m

1 stop

1:57 pm - 7:34 pm

EYW

DCA

5h 37m

1 stop

$334Delta

Sat, Aug 1 - Tue, Aug 4

8:20 am - 11:45 am

DCA

EYW

3h 25mnonstop

12:25 pm - 3:16 pm

EYW

DCA

2h 51mnonstop

$336American Airlines

Sat, Sep 26 - Wed, Sep 30

6:00 am - 10:50 am

DCA

EYW

4h 50m

1 stop

7:40 am - 12:42 pm

EYW

DCA

5h 02m

1 stop

$339Delta

Sat, Aug 8 - Sat, Aug 15

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

7:40 pm - 12:41 am

EYW

DCA

5h 01m

1 stop

$346American Airlines

Sat, Jun 13 - Tue, Jun 16

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

7:29 pm - 11:54 pm

EYW

DCA

4h 25m

1 stop

$351American Airlines

Sat, Jun 27 - Mon, Jun 29

11:56 am - 6:48 pm

DCA

EYW

6h 52m

1 stop

5:27 pm - 8:27 pm

EYW

DCA

3h 00mnonstop

$354American Airlines

Wed, Jul 29 - Sun, Aug 2

5:00 am - 12:16 pm

DCA

EYW

7h 16m

1 stop

7:49 pm - 12:41 am

EYW

DCA

4h 52m

1 stop

$356American Airlines

Mon, Jun 1 - Sat, Jun 6

Delta flights from Washington, D.C. Reagan-National Airport to Key West

Our best Delta deals on Washington, D.C. Reagan-National Airport to Key West flight tickets

Delta

Jul 20

DCA12:27 pmWashington, D.C. Reagan-National

7h 24m

1 stop

EYW7:51 pmKey West

Jul 25

EYW7:50 amKey West

5h 01m

1 stop

DCA12:51 pmWashington, D.C. Reagan-National

$319

Delta

Aug 1

DCA6:59 amWashington, D.C. Reagan-National

5h 10m

1 stop

EYW12:09 pmKey West

Aug 4

EYW1:57 pmKey West

5h 37m

1 stop

DCA7:34 pmWashington, D.C. Reagan-National

$334

Delta

Aug 8

DCA6:00 amWashington, D.C. Reagan-National

4h 50m

1 stop

EYW10:50 amKey West

Aug 15

EYW7:40 amKey West

5h 02m

1 stop

DCA12:42 pmWashington, D.C. Reagan-National

$339

American Airlines flights from Washington, D.C. Reagan-National Airport to Key West

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Key West flight tickets

American Airlines

Jun 6

DCA1:30 pmWashington, D.C. Reagan-National

3h 06m

EYW4:36 pmKey West

Jun 10

EYW12:18 pmKey West

2h 56m

DCA3:14 pmWashington, D.C. Reagan-National

$314

American Airlines

Jun 27

DCA1:30 pmWashington, D.C. Reagan-National

3h 06m

EYW4:36 pmKey West

Jun 30

EYW7:29 pmKey West

4h 25m

1 stop

DCA11:54 pmWashington, D.C. Reagan-National

$324

American Airlines

Sep 26

DCA8:20 amWashington, D.C. Reagan-National

3h 25m

EYW11:45 amKey West

Sep 30

EYW12:25 pmKey West

2h 51m

DCA3:16 pmWashington, D.C. Reagan-National

$336

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/6

1:30 pm-4:36 pm

Nonstop3h 06m

Key West

Wed 6/10

12:18 pm-3:14 pm

Nonstop2h 56m

$314

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 7/20

12:27 pm-7:51 pm

1 stop7h 24m

Key West

Sat 7/25

7:50 am-12:51 pm

1 stop5h 01m

$319

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/27

1:30 pm-4:36 pm

Nonstop3h 06m

Key West

Tue 6/30

7:29 pm-11:54 pm

1 stop4h 25m

$324

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 8/1

6:59 am-12:09 pm

1 stop5h 10m

Key West

Tue 8/4

1:57 pm-7:34 pm

1 stop5h 37m

$334

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 9/26

8:20 am-11:45 am

Nonstop3h 25m

Key West

Wed 9/30

12:25 pm-3:16 pm

Nonstop2h 51m

$336

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 8/8

6:00 am-10:50 am

1 stop4h 50m

Key West

Sat 8/15

7:40 am-12:42 pm

1 stop5h 02m

$339

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/13

1:30 pm-4:36 pm

Nonstop3h 06m

Key West

Tue 6/16

7:40 pm-12:41 am

1 stop5h 01m

$346

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/27

1:30 pm-4:36 pm

Nonstop3h 06m

Key West

Mon 6/29

7:29 pm-11:54 pm

1 stop4h 25m

$351

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 7/29

11:56 am-6:48 pm

1 stop6h 52m

Key West

Sun 8/2

5:27 pm-8:27 pm

Nonstop3h 00m

$354

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 6/1

5:00 am-12:16 pm

1 stop7h 16m

Key West

Sat 6/6

7:49 pm-12:41 am

1 stop4h 52m

$356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Key West?

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $374. If you are unable to visit Key West during the month of January, then departing from Washington, D.C. Reagan-National Airport during the month September is also very affordable. Most momondo users find prices during this month for around $381.

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 Washington, D.C. Reagan-National Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $380. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Key West for around $497.

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 Washington, D.C. Reagan-National Airport to Key West at noon for as low as $399. 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 $460. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Reagan-National to Key West flight route?

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

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

You are more likely to see cheaper flights to Key West from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Washington, D.C. Reagan-National Airport for as low as $356 on momondo.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Key West flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Key West flight.

How have Washington, D.C. Reagan-National Airport to Key West flight prices changed over time?

When to book flights from Washington, D.C. Reagan-National Airport to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Key West (DCA to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Key West

Best Price Found	$263
Fastest flight time	2h 59m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Key West	1 airport

The best one-way flight to Key West from Washington, D.C. Reagan-National Airport in the past 72 hours is $263. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Key West found on momondo in the last 72 hours is $341.

The fastest flight from Washington, D.C. Reagan-National Airport to Key West takes 2h 59m

Direct flights go from Washington, D.C. Reagan-National Airport to Key West on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.

There is 1 airport in Key West. From Washington, D.C. Reagan-National Airport there are direct flights to Key West (EYW).

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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Key West

How far is Washington, D.C. Reagan-National to Key West by plane?
The straight-line distance from Washington, D.C. Reagan-National to Key West is 1025.6 mi. In terms of flight time, this usually takes a little over 2h 59m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Key West Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Key West Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Key West Airport?
The number of operators available for flights from Washington, D.C. Reagan-National Airport to Key West Airport is 2 as of May 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. Reagan-National Airport to Key West?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Reagan-National Airport to Key West is Embraer 175 (51.97% of total bookings). The next most popular plane models are Airbus A319 (27.96%), Embraer 175 (Enhanced Winglets) (16.13%), and Airbus A321neo (0.72%).
What is the most popular airline from Washington, D.C. Reagan-National Airport to Key West?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Reagan-National Airport to Key West is American Airlines, representing 96% of all bookings. The subsequent popular airline is Delta at 4%.

Best airlines flying from Washington, D.C. Reagan-National Airport to Key West

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Key West with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,446 reviews		Search Delta flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.1 11,661 reviews		Search American Airlines flights

American Airlines Flights From Washington, D.C. Reagan-National Airport to Key West
Across 13 American Airlines flights from Washington, D.C. Reagan-National Airport to Key West this week, the average price was $461, with the best American Airlines deals starting from $256 round-trip. 11,661 users have rated American Airlines on momondo, with an average score of 7.1/10.

Big Pine Key

Little Torch Key

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Why should I use momondo to find a flight deal from Washington, D.C. to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Washington, D.C..

Can I find flights from Washington, D.C. to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Key West?

Once all potential Washington, D.C. to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Delta flights from Washington, D.C. Reagan-National Airport to Key West

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American Airlines flights from Washington, D.C. Reagan-National Airport to Key West

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Key West flight tickets

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

See travel insights to Key West from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Key West

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Key West?

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 Washington, D.C. Reagan-National to Key West flight route?

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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Key West flights?

How have Washington, D.C. Reagan-National Airport to Key West flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Key West?

How many flights depart from Washington, D.C. Reagan-National Airport to Key West on average per day?

How many flights depart from Washington, D.C. Reagan-National Airport to Key West on average per week?

When to book flights from Washington, D.C. Reagan-National Airport to Key West

Cheap Washington, D.C. Reagan-National Airport to Key West (DCA to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Key West

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Key West

Best airlines flying from Washington, D.C. Reagan-National Airport to Key West

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Key West with momondo

American Airlines Flights From Washington, D.C. Reagan-National Airport to Key West

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