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Cheap flights from Washington, D.C. Dulles Intl Airport to Key West from $105

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:55 pm - 12:19 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
22h 24m1 stop Tampa
Multiple Airlines Logo
6:20 pm - 9:33 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
27h 13m1 stop Orlando Sanford Intl
$365Multiple Airlines
Sun, Dec 20 - Sun, Dec 27
Multiple Airlines Logo
6:42 pm - 3:08 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
20h 26m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
10:59 am - 8:28 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
9h 29m1 stop Orlando
$365Multiple Airlines
Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
6:42 pm - 10:04 amIAD  Washington, D.C. Dulles Intl-EYW Key West
15h 22m2 stops Atlanta Hartsfield-Jackson Tampa
Multiple Airlines Logo
10:59 am - 7:31 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
8h 32m1 stop Orlando
$365Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
9:00 am - 12:07 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
3h 07mnonstop
United Airlines Logo
1:35 pm - 4:15 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
2h 40mnonstop
$369United Airlines
Thu, Dec 24 - Tue, Dec 29
United Airlines Logo
6:05 am - 2:36 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
8h 31m1 stop Newark
United Airlines Logo
1:35 pm - 4:15 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
2h 40mnonstop
$379United Airlines
Tue, Dec 15 - Tue, Dec 22
United Airlines Logo
1:05 pm - 4:28 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
3h 23mnonstop
United Airlines Logo
6:20 pm - 9:10 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
2h 50mnonstop
$384United Airlines
Mon, Feb 15 - Fri, Feb 26
Delta Logo
6:00 am - 10:58 amIAD  Washington, D.C. Dulles Intl-EYW Key West
4h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:35 pm - 9:12 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
6h 37m1 stop Atlanta Hartsfield-Jackson
$389Delta
Wed, Mar 17 - Wed, Mar 24
Delta Logo
6:00 am - 10:58 amIAD  Washington, D.C. Dulles Intl-EYW Key West
4h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:35 pm - 9:12 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
6h 37m1 stop Atlanta Hartsfield-Jackson
$389Delta
Sun, Mar 7 - Wed, Mar 24
American Airlines Logo
9:16 am - 3:50 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
6h 34m1 stop Charlotte Douglas
American Airlines Logo
3:16 pm - 9:28 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
6h 12m1 stop Charlotte Douglas
$389American Airlines
Fri, Feb 26 - Tue, Mar 2
American Airlines Logo
7:00 am - 1:06 pmIAD  Washington, D.C. Dulles Intl-EYW Key West
6h 06m1 stop Charlotte Douglas
American Airlines Logo
3:02 pm - 10:13 pmEYW  Key West-IAD Washington, D.C. Dulles Intl
7h 11m1 stop Charlotte Douglas
$389American Airlines
Wed, Dec 16 - Tue, Dec 22

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Delta flights from Washington, D.C. Dulles Intl Airport to Key West

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Key West flight tickets
Delta
May 5
IAD6:00 amWashington, D.C. Dulles Intl
4h 58m
1 stop
EYW10:58 amKey West
May 10
EYW7:00 amKey West
7h 41m
1 stop
IAD2:41 pmWashington, D.C. Dulles Intl
$389
Delta
Apr 13
IAD1:00 pmWashington, D.C. Dulles Intl
6h 43m
1 stop
EYW7:43 pmKey West
Apr 17
EYW6:00 pmKey West
6h 20m
1 stop
IAD12:20 amWashington, D.C. Dulles Intl
$414
Delta
Nov 16
IAD10:11 amWashington, D.C. Dulles Intl
6h 59m
1 stop
EYW5:10 pmKey West
Nov 23
EYW6:08 pmKey West
6h 33m
1 stop
IAD12:41 amWashington, D.C. Dulles Intl
$519

United Airlines flights from Washington, D.C. Dulles Intl Airport to Key West

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Key West flight tickets
United Airlines
Apr 2
IAD8:15 amWashington, D.C. Dulles Intl
8h 47m
1 stop
EYW5:02 pmKey West
Apr 6
EYW6:20 pmKey West
2h 49m
IAD9:09 pmWashington, D.C. Dulles Intl
$397
United Airlines
Dec 23
IAD9:00 amWashington, D.C. Dulles Intl
3h 07m
EYW12:07 pmKey West
Dec 29
EYW1:35 pmKey West
2h 40m
IAD4:15 pmWashington, D.C. Dulles Intl
$406
United Airlines
Jan 28
IAD6:00 amWashington, D.C. Dulles Intl
8h 13m
1 stop
EYW2:13 pmKey West
Feb 2
EYW3:15 pmKey West
6h 05m
1 stop
IAD9:20 pmWashington, D.C. Dulles Intl
$409

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl 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

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sun 12/20

1:55 pm-12:19 pm

1 stop22h 24m

Key West

Sun 12/27

6:20 pm-9:33 pm

1 stop27h 13m

$365

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Thu 12/3

6:42 pm-3:08 pm

2 stops20h 26m

Key West

Sun 12/6

10:59 am-8:28 pm

1 stop9h 29m

$365

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Fri 12/4

6:42 pm-10:04 am

2 stops15h 22m

Key West

Mon 12/7

10:59 am-7:31 pm

1 stop8h 32m

$365
Quickest round-trip

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Thu 12/24

9:00 am-12:07 pm

Nonstop3h 07m

Key West

Tue 12/29

1:35 pm-4:15 pm

Nonstop2h 40m

$369

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Tue 12/15

6:05 am-2:36 pm

1 stop8h 31m

Key West

Tue 12/22

1:35 pm-4:15 pm

Nonstop2h 40m

$379

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Mon 2/15

1:05 pm-4:28 pm

Nonstop3h 23m

Key West

Fri 2/26

6:20 pm-9:10 pm

Nonstop2h 50m

$384

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Wed 3/17

6:00 am-10:58 am

1 stop4h 58m

Key West

Wed 3/24

2:35 pm-9:12 pm

1 stop6h 37m

$389

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Sun 3/7

6:00 am-10:58 am

1 stop4h 58m

Key West

Wed 3/24

2:35 pm-9:12 pm

1 stop6h 37m

$389

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Fri 2/26

9:16 am-3:50 pm

1 stop6h 34m

Key West

Tue 3/2

3:16 pm-9:28 pm

1 stop6h 12m

$389

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Wed 12/16

7:00 am-1:06 pm

1 stop6h 06m

Key West

Tue 12/22

3:02 pm-10:13 pm

1 stop7h 11m

$389

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 Washington, D.C. Dulles Intl 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

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

Prices are currently low for flights on this route.

Typical prices usually range from $398 to $521.
The lowest price recently found on this route was $365.

What is the cheapest month to fly to Key West?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $384. If you are unable to visit Key West during the month of January, then departing from Washington, D.C. Dulles Intl Airport during the month December is also very affordable. Most momondo users find prices during this month for around $398.

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. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $403. 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 Washington, D.C. Dulles Intl Airport to Key West for around $507.

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. Dulles Intl Airport to Key West at noon for as low as $421. 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 $475. 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. Dulles Intl to Key West flight route?

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

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

You are more likely to see cheaper flights to Key West from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $507 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. Dulles Intl Airport for as low as $321 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Key West.

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

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

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

Best Price Found

$105

Fastest flight time

3h 07m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from Washington, D.C. Dulles Intl Airport in the past 72 hours is $105. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Key West found on momondo in the last 72 hours is $365.
The fastest flight from Washington, D.C. Dulles Intl Airport to Key West takes 3h 07m
Direct flights go from Washington, D.C. Dulles Intl Airport to Key West every day.
There is 1 airport in Key West. From Washington, D.C. Dulles Intl Airport there are direct flights to Key West (EYW).
Search flight deals

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

  • How far is Washington, D.C. Dulles Intl to Key West by plane?

    Washington, D.C. Dulles Intl and Key West are 1025.8 mi apart from one another. Flights usually cover this in 3h 07m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Key West?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Key West?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Key West with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $297Free CancellationRating
7.3
10,475 reviews
Search United Airlines flights
DeltaPriceFrom $328Free CancellationRating
7.8
8,700 reviews
Search Delta flights
American AirlinesPriceFrom $337Free CancellationRating
7.0
12,225 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 Washington, D.C. to Key West?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Key West for you.

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?

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 Washington, D.C. to Key West.

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

If you are not ready to book a flight from Washington, D.C. 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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