How long does it take to fly to Key West?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Key West, then you can expect flight times to average 3h 13m and 4h 43m, respectively.

Which airport is the most popular layover for flights between Washington, D.C. and Key West?

Atlanta (ATL) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

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

The number of flights available between Washington, D.C. and Key West is 19 per week as of April 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

Which layover airport has the shortest connection time from Washington, D.C. to Key West?

Atlanta (ATL) has the shortest average layover time for this route: 0h 57m.

Which layover airport offers the lowest fares from Washington, D.C. to Key West?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $520.

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

2 flights are operational daily from Washington, D.C. to Key West as of April 2026. The most popular departure time for this route is 12:00PM, with 70% of flights per day taking off in the afternoon.

Which layover airport has the shortest travel time from Washington, D.C. to Key West?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 07m.

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

Allegiant Air and Delta are the most popular carriers operating from Washington, D.C. to Key West

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 Washington, D.C. according to our data. American Airlines is the first choice among our users, with 68% 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.

When did momondo last update prices for flights from Washington, D.C. to Key West Airport?

Prices for flights from Washington, D.C. to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Key West Airport?

There are 4 operators available for flights from Washington, D.C. to Key West Airport as of April 2026.

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

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

The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$82 Cheap Flights from Washington, D.C. to Key West in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Key West

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:26 pm - 11:27 am

BWI

EYW

20h 01m

1 stop

11:46 am - 10:57 pm

EYW

BWI

11h 11m

2 stops

$197Multiple Airlines

Thu, May 14 - Wed, May 27

6:39 pm - 11:25 am

BWI

EYW

16h 46m

1 stop

12:05 pm - 7:06 pm

EYW

BWI

7h 01m

1 stop

$210Multiple Airlines

Sat, May 9 - Thu, May 14

10:38 am - 11:06 am

BWI

EYW

24h 28m

1 stop

2:48 pm - 7:43 am

EYW

BWI

16h 55m

2 stops

$213Multiple Airlines

Tue, May 26 - Sat, May 30

10:12 am - 5:23 pm

DCA

EYW

7h 11m

1 stop

2:24 pm - 9:46 pm

EYW

DCA

7h 22m

1 stop

$309Delta

Sat, Jun 6 - Wed, Jun 10

6:00 am - 11:00 am

IAD

EYW

5h 00m

1 stop

6:18 pm - 12:41 am

EYW

IAD

6h 23m

1 stop

$309Delta

Tue, Jul 7 - Wed, Jul 15

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

3:26 pm - 10:36 pm

IAD

EYW

7h 10m

1 stop

11:24 am - 7:25 pm

EYW

IAD

8h 01m

2 stops

$314American Airlines

Sat, May 16 - Wed, May 20

6:00 am - 1:08 pm

DCA

EYW

7h 08m

1 stop

5:03 pm - 7:59 pm

EYW

DCA

2h 56mnonstop

$324American Airlines

Sat, May 9 - Thu, May 14

6:00 am - 10:53 am

DCA

EYW

4h 53m

1 stop

1:22 pm - 8:45 pm

EYW

DCA

7h 23m

1 stop

$334Delta

Sat, May 9 - Wed, May 13

1:30 pm - 4:36 pm

DCA

EYW

3h 06mnonstop

12:18 pm - 3:14 pm

EYW

DCA

2h 56mnonstop

$336American Airlines

Sat, Jun 6 - Tue, Jun 9

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

Delta flights from Washington, D.C. to Key West

Our best Delta deals on Washington, D.C. to Key West flight tickets

Delta

Jun 6

DCA10:12 amWashington, D.C. Reagan-National

7h 11m

1 stop

EYW5:23 pmKey West

Jun 10

EYW2:24 pmKey West

7h 22m

1 stop

DCA9:46 pmWashington, D.C. Reagan-National

$309

Delta

May 9

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

4h 53m

1 stop

EYW10:53 amKey West

May 14

EYW2:32 pmKey West

8h 22m

1 stop

DCA10:54 pmWashington, D.C. Reagan-National

$334

Delta

Jun 6

IAD10:43 amWashington, D.C. Dulles Intl

6h 40m

1 stop

EYW5:23 pmKey West

Jun 9

EYW6:24 pmKey West

6h 20m

1 stop

IAD12:44 amWashington, D.C. Dulles Intl

$356

American Airlines flights from Washington, D.C. to Key West

Our best American Airlines deals on Washington, D.C. 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

Sep 8

IAD10:27 amWashington, D.C. Dulles Intl

8h 04m

2 stops

EYW6:31 pmKey West

Sep 17

EYW1:59 pmKey West

9h 52m

2 stops

IAD11:51 pmWashington, D.C. Dulles Intl

$319

American Airlines

May 9

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

7h 08m

1 stop

EYW1:08 pmKey West

May 14

EYW5:03 pmKey West

2h 56m

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

$324

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Thu 5/14

3:26 pm-11:27 am

1 stop20h 01m

Key West

Wed 5/27

11:46 am-10:57 pm

2 stops11h 11m

$197

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Sat 5/9

6:39 pm-11:25 am

1 stop16h 46m

Key West

Thu 5/14

12:05 pm-7:06 pm

1 stop7h 01m

$210

BaltimoreKey West

BWI - EYW

BWIEYW

Baltimore/Washington

Tue 5/26

10:38 am-11:06 am

1 stop24h 28m

Key West

Sat 5/30

2:48 pm-7:43 am

2 stops16h 55m

$213

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 6/6

10:12 am-5:23 pm

1 stop7h 11m

Key West

Wed 6/10

2:24 pm-9:46 pm

1 stop7h 22m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Tue 7/7

6:00 am-11:00 am

1 stop5h 00m

Key West

Wed 7/15

6:18 pm-12:41 am

1 stop6h 23m

$309

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

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/16

3:26 pm-10:36 pm

1 stop7h 10m

Key West

Wed 5/20

11:24 am-7:25 pm

2 stops8h 01m

$314

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/9

6:00 am-1:08 pm

1 stop7h 08m

Key West

Thu 5/14

5:03 pm-7:59 pm

Nonstop2h 56m

$324

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/9

6:00 am-10:53 am

1 stop4h 53m

Key West

Wed 5/13

1:22 pm-8:45 pm

1 stop7h 23m

$334

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

Tue 6/9

12:18 pm-3:14 pm

Nonstop2h 56m

$336

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. 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

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. 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. 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 September, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $394.

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. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $387. 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. 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. to Key West at noon for as low as $400. 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 $463. 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. to Key West flight route?

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

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

You are more likely to see cheaper flights to Key West from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $468 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. for as low as $287 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. 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. to Key West flights?

You could potentially save up to 57% on your flight if you consider stops on a Washington, D.C. to Key West flight.

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

When to book flights from Washington, D.C. to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Key West (WAS to EYW) flight deals and tips

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

Best Price Found	$263
Fastest flight time	2h 59m
Direct flights	Every day
Airports in Key West	1 airport

The best one-way flight to Key West from Washington, D.C. in the past 72 hours is $263. The best round-trip flight deal from Washington, D.C. to Key West found on momondo in the last 72 hours is $349.

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

Direct flights go from Washington, D.C. to Key West every day.

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Key West

How far is Washington, D.C. to Key West by plane?
The straight-line distance from Washington, D.C. to Key West is 1029.2 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. to Key West Airport?
Prices for flights from Washington, D.C. to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Key West Airport?
There are 4 operators available for flights from Washington, D.C. to Key West Airport as of April 2026.
How old do you have to be to fly from Washington, D.C. 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. to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Key West?
Based on momondo bookings for flights between Washington, D.C. and Key West, the leading plane model is Embraer 175, making up 40.66% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 29.07%, Airbus A319 with 26.23%, and Embraer 170 with 0.66%.
What is the most popular airline from Washington, D.C. to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Key West is American Airlines (80% of total bookings). The next most popular airlines are United Airlines (16%) and Delta (4%).

Best airlines flying from Washington, D.C. to Key West

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,633 reviews	Search Spirit Airlines flights
Delta	PriceFrom $179	Free Cancellation	Rating 7.9 8,438 reviews	Search Delta flights
American Airlines	PriceFrom $255	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,637 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. to Key West
United Airlines flight deals from Washington, D.C. to Key West start from $279 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $473 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From Washington, D.C. to Key West
Another popular option for Washington, D.C. to Key West flights is American Airlines (7.1/10, 11,662 ratings). American Airlines flies from Washington, D.C. to Key West around 12 times per week, with deals starting from $255 round-trip and rising to an average price of around $476.

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?

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

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

Yes. momondo allows you to filter the results for Washington, D.C. to Key West flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Washington, D.C..

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

Price alerts on flights to Key West from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 5/23

Sat 5/30

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.

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. to Key West from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Key West departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Key West

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Delta flights from Washington, D.C. to Key West

Our best Delta deals on Washington, D.C. to Key West flight tickets

American Airlines flights from Washington, D.C. to Key West

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. 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. to Key West

What is the typical price of a round-trip flight between Washington, D.C. 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. to Key West flight route?

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

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

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

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

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

What airlines fly to Key West?

Which airport is the most popular layover for flights between Washington, D.C. and Key West?

Which layover airport offers the lowest fares from Washington, D.C. to Key West?

Which layover airport has the shortest travel time from Washington, D.C. to Key West?

Which layover airport has the shortest connection time from Washington, D.C. to Key West?

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

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

How long does it take to fly to Key West?

When to book flights from Washington, D.C. to Key West

Cheap Washington, D.C. to Key West (WAS to EYW) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

Frequently asked questions about flying from Washington, D.C. to Key West

Best airlines flying from Washington, D.C. to Key West

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

United Airlines Flights From Washington, D.C. to Key West

American Airlines Flights From Washington, D.C. 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.

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