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.

$157 Cheap Flights from Washington, D.C. Reagan-National Airport to Key West in 2026

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 March 2026. The most popular departure time for this route is 8:00AM, with 54% of flights per day taking off at noon.

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 $642 to $380. The lowest price recently found on this route was $299.

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

9 flights are operational weekly from Washington, D.C. Reagan-National Airport to Key West as of March 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

5:00 pm - 10:36 pm

DCA

EYW

5h 36m

1 stop

12:04 pm - 2:52 pm

EYW

DCA

2h 48mnonstop

$299American Airlines

Sat, May 2 - Fri, May 8

7:00 am - 1:30 pm

DCA

EYW

6h 30m

1 stop

2:32 pm - 10:54 pm

EYW

DCA

8h 22m

1 stop

$309Delta

Sat, May 16 - Wed, May 20

8:20 am - 11:24 am

DCA

EYW

3h 04mnonstop

12:04 pm - 2:52 pm

EYW

DCA

2h 48mnonstop

$314American Airlines

Wed, Apr 8 - Wed, Apr 15

6:42 am - 11:16 am

DCA

EYW

4h 34m

1 stop

5:03 pm - 7:59 pm

EYW

DCA

2h 56mnonstop

$324American Airlines

Wed, Apr 8 - Wed, Apr 15

5:48 pm - 10:58 pm

DCA

EYW

5h 10m

1 stop

4:20 pm - 10:15 pm

EYW

DCA

5h 55m

1 stop

$334American Airlines

Wed, Apr 8 - Wed, Apr 15

12:14 pm - 3:24 pm

DCA

EYW

3h 10mnonstop

12:04 pm - 2:52 pm

EYW

DCA

2h 48mnonstop

$336American Airlines

Sat, May 16 - Wed, May 20

6:00 am - 10:53 am

DCA

EYW

4h 53m

1 stop

7:00 am - 9:20 pm

EYW

DCA

14h 20m

2 stops

$341Delta

Sun, May 31 - Wed, Jun 10

8:20 am - 11:24 am

DCA

EYW

3h 04mnonstop

12:04 pm - 2:52 pm

EYW

DCA

2h 48mnonstop

$344American Airlines

Fri, May 8 - Mon, May 11

12:14 pm - 3:24 pm

DCA

EYW

3h 10mnonstop

7:29 pm - 11:54 pm

EYW

DCA

4h 25m

1 stop

$346American Airlines

Sat, May 16 - Fri, May 22

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

7:40 pm - 12:41 am

EYW

DCA

5h 01m

1 stop

$354American Airlines

Sat, Jun 13 - Thu, Jun 18

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

May 2

DCA5:00 pmWashington, D.C. Reagan-National

5h 36m

1 stop

EYW10:36 pmKey West

May 8

EYW12:04 pmKey West

2h 48m

DCA2:52 pmWashington, D.C. Reagan-National

$299

American Airlines

Apr 18

DCA4:59 pmWashington, D.C. Reagan-National

5h 59m

1 stop

EYW10:58 pmKey West

Apr 21

EYW5:25 pmKey West

4h 50m

1 stop

DCA10:15 pmWashington, D.C. Reagan-National

$309

American Airlines

Apr 8

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

3h 04m

EYW11:24 amKey West

Apr 15

EYW12:04 pmKey West

2h 48m

DCA2:52 pmWashington, D.C. Reagan-National

$314

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

Apr 25

DCA10:10 amWashington, D.C. Reagan-National

7h 13m

1 stop

EYW5:23 pmKey West

May 2

EYW6:18 pmKey West

5h 23m

1 stop

DCA11:41 pmWashington, D.C. Reagan-National

$381

Delta

Aug 20

DCA1:45 pmWashington, D.C. Reagan-National

6h 00m

1 stop

EYW7:45 pmKey West

Aug 26

EYW7:00 amKey West

7h 43m

1 stop

DCA2:43 pmWashington, D.C. Reagan-National

$391

Delta

Jul 7

DCA7:59 amWashington, D.C. Reagan-National

11h 52m

2 stops

EYW7:51 pmKey West

Jul 14

EYW2:24 pmKey West

6h 19m

1 stop

DCA8:43 pmWashington, D.C. Reagan-National

$392

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

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/2

5:00 pm-10:36 pm

1 stop5h 36m

Key West

Fri 5/8

12:04 pm-2:52 pm

Nonstop2h 48m

$299

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

7:00 am-1:30 pm

1 stop6h 30m

Key West

Wed 5/20

2:32 pm-10:54 pm

1 stop8h 22m

$309

Quickest round-trip

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 4/8

8:20 am-11:24 am

Nonstop3h 04m

Key West

Wed 4/15

12:04 pm-2:52 pm

Nonstop2h 48m

$314

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 4/8

6:42 am-11:16 am

1 stop4h 34m

Key West

Wed 4/15

5:03 pm-7:59 pm

Nonstop2h 56m

$324

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Wed 4/8

5:48 pm-10:58 pm

1 stop5h 10m

Key West

Wed 4/15

4:20 pm-10:15 pm

1 stop5h 55m

$334

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

12:14 pm-3:24 pm

Nonstop3h 10m

Key West

Wed 5/20

12:04 pm-2:52 pm

Nonstop2h 48m

$336

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sun 5/31

6:00 am-10:53 am

1 stop4h 53m

Key West

Wed 6/10

7:00 am-9:20 pm

2 stops14h 20m

$341

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Fri 5/8

8:20 am-11:24 am

Nonstop3h 04m

Key West

Mon 5/11

12:04 pm-2:52 pm

Nonstop2h 48m

$344

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

12:14 pm-3:24 pm

Nonstop3h 10m

Key West

Fri 5/22

7:29 pm-11:54 pm

1 stop4h 25m

$346

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

Thu 6/18

7:40 pm-12:41 am

1 stop5h 01m

$354

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, September 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 $329. If you are unable to visit Key West during the month of September, then departing from Washington, D.C. Reagan-National Airport during the month January 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 Washington, D.C. Reagan-National Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $377. 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 $508.

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 $403. 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 $470. 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 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 $451 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 $332 on momondo.

What cabin class options are available on Washington, D.C. Reagan-National to Key West flights?

There are 3 cabin classes available to choose from on Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport to Key West flights?

You could potentially save up to 59% 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?

As of March 2026, prices for Washington, D.C. Reagan-National Airport to Key West flights are approximately 107% more expensive when compared to flights at the same time last year.

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	$243
Fastest flight time	3h 02m
Direct flights	Every day
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 $243. 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 $368.

The fastest flight from Washington, D.C. Reagan-National Airport to Key West takes 3h 02m

Direct flights go from Washington, D.C. Reagan-National Airport to Key West every day.

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

Search flight deals

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 3h 02m.
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 March 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 (43.09% of total bookings). The next most popular plane models are Airbus A319 (29.88%), Embraer 175 (Enhanced Winglets) (22.84%), and Airbus A320neo (0.99%).
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 95% of all bookings. The subsequent popular airline is Delta at 5%.

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 $175	Free Cancellation	Rating 7.9 8,331 reviews		Search Delta flights
American Airlines	PriceFrom $254	Free Cancellation	Rating 7.1 11,495 reviews		Search American Airlines flights

American Airlines Flights From Washington, D.C. Reagan-National Airport to Key West
Across 9 American Airlines flights from Washington, D.C. Reagan-National Airport to Key West this week, the average price was $462, with the best American Airlines deals starting from $254 round-trip. 11,495 users have rated American Airlines on momondo, with an average score of 7.1/10.

Big Pine Key

Little Torch Key

Why use momondo?

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 4/25

Sat 5/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Washington, D.C. Reagan-National Airport

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. Reagan-National Airport to Key West from $160

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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

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.

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 to Key West?

What cabin class options are available on Washington, D.C. Reagan-National to Key West flights?

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

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

Traveling to a place near Key West?

Why use momondo?

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

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Reagan-National Airport

According to popular flight searches on momondo this year

Complete your trip to Key West

Explore popular destinations other users love

According to popular flight searches on momondo this year