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

American Airlines is the most popular carrier operating from Key West to District of Columbia

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

As of November 2026, there are 3 flights per week flying from Key West to District of Columbia. The most common day of the week flights depart is Sat, with 100% of flights taking off on this day.

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

Prices for flights from Key West Airport to District of Columbia are refreshed on a daily basis.

How many operators does momondo search for flights from Key West Airport to District of Columbia?

There is 1 operator available for flights from Key West Airport to District of Columbia as of November 2026.

How old do you have to be to fly from Key West Airport to District of Columbia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia 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.

$111 Cheap Flights from Key West to District of Columbia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Key West to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 10:21 amEYW Key West-IAD Washington, D.C. Dulles Intl

25h 01m1 stop Orlando Sanford Intl

11:16 am - 10:19 amIAD Washington, D.C. Dulles Intl-EYW Key West

23h 03m1 stop Orlando

$182Multiple Airlines

Mon, Nov 16 - Wed, Nov 18

9:20 am - 10:21 amEYW Key West-IAD Washington, D.C. Dulles Intl

25h 01m1 stop Orlando Sanford Intl

6:07 pm - 2:16 pmIAD Washington, D.C. Dulles Intl-EYW Key West

20h 09m2 stops Atlanta Hartsfield-Jackson Tampa

$183Multiple Airlines

Mon, Nov 16 - Wed, Nov 18

9:20 am - 10:21 amEYW Key West-IAD Washington, D.C. Dulles Intl

25h 01m1 stop Orlando Sanford Intl

9:06 pm - 3:16 pmIAD Washington, D.C. Dulles Intl-EYW Key West

18h 10m2 stops Atlanta Hartsfield-Jackson Tampa

$215Multiple Airlines

Mon, Nov 16 - Thu, Nov 19

9:20 am - 10:21 amEYW Key West-IAD Washington, D.C. Dulles Intl

25h 01m1 stop Orlando Sanford Intl

6:01 pm - 9:05 amIAD Washington, D.C. Dulles Intl-EYW Key West

15h 04m1 stop Knoxville McGhee Tyson

$217Multiple Airlines

Mon, Nov 16 - Thu, Nov 19

12:59 pm - 12:19 amEYW Key West-IAD Washington, D.C. Dulles Intl

11h 20m2 stops Tampa Atlanta Hartsfield-Jackson

10:16 pm - 10:19 amIAD Washington, D.C. Dulles Intl-EYW Key West

12h 03m1 stop Orlando

$244Multiple Airlines

Fri, Jan 22 - Sun, Jan 24

10:59 am - 9:11 pmEYW Key West-IAD Washington, D.C. Dulles Intl

10h 12m1 stop Orlando

10:16 pm - 10:19 amIAD Washington, D.C. Dulles Intl-EYW Key West

12h 03m1 stop Orlando

$245Multiple Airlines

Fri, Jan 22 - Sun, Jan 24

10:59 am - 12:51 amEYW Key West-IAD Washington, D.C. Dulles Intl

13h 52m2 stops Orlando Atlanta Hartsfield-Jackson

1:55 pm - 4:55 pmIAD Washington, D.C. Dulles Intl-EYW Key West

27h 00m1 stop Tampa

$262Multiple Airlines

Fri, Dec 25 - Fri, Jan 1

9:54 am - 8:58 amEYW Key West-IAD Washington, D.C. Dulles Intl

23h 04m2 stops Tampa St. Petersburg Knoxville McGhee Tyson

11:16 am - 10:19 amIAD Washington, D.C. Dulles Intl-EYW Key West

23h 03m1 stop Orlando

$262Multiple Airlines

Sat, Nov 14 - Wed, Nov 18

1:03 pm - 3:55 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 52mnonstop

3:15 pm - 6:27 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 12mnonstop

$359American Airlines

Thu, Dec 3 - Mon, Dec 7

6:48 pm - 9:31 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 43mnonstop

2:53 pm - 6:08 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 15mnonstop

$359American Airlines

Fri, Jan 22 - Sun, Jan 24

Cheap last minute flights

Enter your travel dates to find the best prices.

10:04 am - 8:11 pmEYW Key West-IAD Washington, D.C. Dulles Intl

34h 07m2 stops Tampa Fort Lauderdale

6:01 pm - 9:05 amIAD Washington, D.C. Dulles Intl-EYW Key West

15h 04m1 stop Knoxville McGhee Tyson

$326Multiple Airlines

Wed, Nov 4 - Thu, Nov 19

1:16 pm - 11:43 pmEYW Key West-IAD Washington, D.C. Dulles Intl

10h 27m2 stops Tampa Atlanta Hartsfield-Jackson

9:48 am - 11:04 amIAD Washington, D.C. Dulles Intl-EYW Key West

25h 16m1 stop Knoxville McGhee Tyson

$332Multiple Airlines

Tue, Nov 3 - Sun, Nov 15

10:04 am - 6:40 pmEYW Key West-IAD Washington, D.C. Dulles Intl

8h 36m1 stop Tampa

6:01 pm - 9:05 amIAD Washington, D.C. Dulles Intl-EYW Key West

15h 04m1 stop Knoxville McGhee Tyson

$347Multiple Airlines

Wed, Nov 4 - Thu, Nov 19

12:01 pm - 12:59 pmEYW Key West-IAD Washington, D.C. Dulles Intl

24h 58m1 stop Tampa

6:07 pm - 12:36 pmIAD Washington, D.C. Dulles Intl-EYW Key West

18h 29m2 stops Fort Lauderdale Tampa

$385Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

10:59 am - 5:56 pmEYW Key West-IAD Washington, D.C. Dulles Intl

6h 57m2 stops Orlando Blountville Tri Cities TN/VA

1:54 pm - 12:36 pmIAD Washington, D.C. Dulles Intl-EYW Key West

22h 42m1 stop Tampa

$415Multiple Airlines

Fri, Nov 6 - Mon, Nov 9

10:59 am - 5:56 pmEYW Key West-IAD Washington, D.C. Dulles Intl

6h 57m2 stops Orlando Blountville Tri Cities TN/VA

1:54 pm - 12:36 pmIAD Washington, D.C. Dulles Intl-EYW Key West

22h 42m1 stop Tampa

$416Multiple Airlines

Fri, Nov 6 - Mon, Nov 9

12:01 pm - 12:59 pmEYW Key West-IAD Washington, D.C. Dulles Intl

24h 58m1 stop Tampa

6:07 pm - 12:19 pmIAD Washington, D.C. Dulles Intl-EYW Key West

18h 12m2 stops Fort Lauderdale Tampa

$419Multiple Airlines

Thu, Nov 5 - Sun, Nov 8

12:01 pm - 12:59 pmEYW Key West-IAD Washington, D.C. Dulles Intl

24h 58m1 stop Tampa

1:54 pm - 12:36 pmIAD Washington, D.C. Dulles Intl-EYW Key West

22h 42m1 stop Tampa

$459Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

7:00 pm - 9:48 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 48mnonstop

3:15 pm - 6:25 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 10mnonstop

$460American Airlines

Tue, Nov 3 - Sun, Nov 15

7:00 pm - 9:48 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 48mnonstop

3:18 pm - 6:32 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 14mnonstop

$460American Airlines

Wed, Nov 4 - Thu, Nov 19

Cheap direct flights

Enter your travel dates to find the best prices.

1:03 pm - 3:55 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 52mnonstop

3:15 pm - 6:27 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 12mnonstop

$359American Airlines

Thu, Dec 3 - Mon, Dec 7

6:48 pm - 9:31 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 43mnonstop

2:53 pm - 6:08 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 15mnonstop

$359American Airlines

Fri, Jan 22 - Sun, Jan 24

1:35 pm - 4:15 pmEYW Key West-IAD Washington, D.C. Dulles Intl

2h 40mnonstop

9:00 am - 12:07 pmIAD Washington, D.C. Dulles Intl-EYW Key West

3h 07mnonstop

$359United Airlines

Fri, Dec 25 - Fri, Jan 1

1:08 pm - 3:59 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 51mnonstop

3:18 pm - 6:32 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 14mnonstop

$384American Airlines

Wed, Nov 18 - Tue, Nov 24

1:08 pm - 3:59 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 51mnonstop

3:15 pm - 6:25 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 10mnonstop

$409American Airlines

Thu, Nov 12 - Mon, Nov 16

1:02 pm - 3:53 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 51mnonstop

9:13 am - 12:29 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 16mnonstop

$788American Airlines

Sat, Nov 14 - Wed, Nov 18

7:00 pm - 9:48 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 48mnonstop

3:15 pm - 6:25 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 10mnonstop

$832American Airlines

Mon, Nov 16 - Wed, Nov 18

7:00 pm - 9:48 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 48mnonstop

9:06 am - 12:26 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 20mnonstop

$832American Airlines

Mon, Nov 16 - Thu, Nov 19

1:35 pm - 4:15 pmEYW Key West-IAD Washington, D.C. Dulles Intl

2h 40mnonstop

9:00 am - 12:07 pmIAD Washington, D.C. Dulles Intl-EYW Key West

3h 07mnonstop

$866United Airlines

Wed, Dec 30 - Fri, Jan 1

7:00 pm - 9:48 pmEYW Key West-DCA Washington, D.C. Reagan-National

2h 48mnonstop

3:18 pm - 6:32 pmDCA Washington, D.C. Reagan-National-EYW Key West

3h 14mnonstop

$882American Airlines

Mon, Nov 16 - Fri, Nov 20

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United Airlines flights from Key West to District of Columbia

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

United Airlines

Dec 25

EYW1:35 pmKey West

2h 40m

IAD4:15 pmWashington, D.C. Dulles Intl

Jan 1

IAD9:00 amWashington, D.C. Dulles Intl

3h 07m

EYW12:07 pmKey West

$359

United Airlines

Dec 25

EYW1:35 pmKey West

2h 40m

IAD4:15 pmWashington, D.C. Dulles Intl

Jan 1

IAD8:25 amWashington, D.C. Dulles Intl

7h 33m

1 stop

EYW3:58 pmKey West

$369

United Airlines

Dec 30

EYW1:35 pmKey West

2h 40m

IAD4:15 pmWashington, D.C. Dulles Intl

Jan 1

IAD6:05 amWashington, D.C. Dulles Intl

8h 18m

1 stop

EYW2:23 pmKey West

$446

Delta flights from Key West to District of Columbia

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

Delta

Nov 12

EYW7:30 amKey West

5h 29m

1 stop

DCA12:59 pmWashington, D.C. Reagan-National

Nov 16

DCA2:00 pmWashington, D.C. Reagan-National

6h 00m

1 stop

EYW8:00 pmKey West

$429

Delta

Dec 1

EYW6:06 pmKey West

6h 35m

1 stop

IAD12:41 amWashington, D.C. Dulles Intl

Dec 8

IAD12:38 pmWashington, D.C. Dulles Intl

4h 32m

1 stop

EYW5:10 pmKey West

$454

Delta

Nov 3

EYW7:40 amKey West

6h 29m

1 stop

IAD2:09 pmWashington, D.C. Dulles Intl

Nov 15

IAD6:00 amWashington, D.C. Dulles Intl

4h 48m

1 stop

EYW10:48 amKey West

$480

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestWashington, D.C.

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

EYWIAD

Key West

Mon 11/16

9:20 am-10:21 am

1 stop25h 01m

Washington, D.C. Dulles Intl

Wed 11/18

11:16 am-10:19 am

1 stop23h 03m

$182

Key WestWashington, D.C.

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

EYWIAD

Key West

Mon 11/16

9:20 am-10:21 am

1 stop25h 01m

Washington, D.C. Dulles Intl

Wed 11/18

6:07 pm-2:16 pm

2 stops20h 09m

$183

Key WestWashington, D.C.

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

EYWIAD

Key West

Mon 11/16

9:20 am-10:21 am

1 stop25h 01m

Washington, D.C. Dulles Intl

Thu 11/19

9:06 pm-3:16 pm

2 stops18h 10m

$215

Key WestWashington, D.C.

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

EYWIAD

Key West

Mon 11/16

9:20 am-10:21 am

1 stop25h 01m

Washington, D.C. Dulles Intl

Thu 11/19

6:01 pm-9:05 am

1 stop15h 04m

$217

Key WestWashington, D.C.

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

EYWIAD

Key West

Fri 1/22

12:59 pm-12:19 am

2 stops11h 20m

Washington, D.C. Dulles Intl

Sun 1/24

10:16 pm-10:19 am

1 stop12h 03m

$244

Key WestWashington, D.C.

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

EYWIAD

Key West

Fri 1/22

10:59 am-9:11 pm

1 stop10h 12m

Washington, D.C. Dulles Intl

Sun 1/24

10:16 pm-10:19 am

1 stop12h 03m

$245

Key WestWashington, D.C.

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

EYWIAD

Key West

Fri 12/25

10:59 am-12:51 am

2 stops13h 52m

Washington, D.C. Dulles Intl

Fri 1/1

1:55 pm-4:55 pm

1 stop27h 00m

$262

Key WestWashington, D.C.

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

EYWIAD

Key West

Sat 11/14

9:54 am-8:58 am

2 stops23h 04m

Washington, D.C. Dulles Intl

Wed 11/18

11:16 am-10:19 am

1 stop23h 03m

$262

Key WestWashington, D.C.

EYW Key West - DCA Washington, D.C. Reagan-National

EYWDCA

Key West

Thu 12/3

1:03 pm-3:55 pm

Nonstop2h 52m

Washington, D.C. Reagan-National

Mon 12/7

3:15 pm-6:27 pm

Nonstop3h 12m

$359

Quickest round-trip

Key WestWashington, D.C.

EYW Key West - DCA Washington, D.C. Reagan-National

EYWDCA

Key West

Fri 1/22

6:48 pm-9:31 pm

Nonstop2h 43m

Washington, D.C. Reagan-National

Sun 1/24

2:53 pm-6:08 pm

Nonstop3h 15m

$359

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 Key West to District of Columbia

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 District of Columbia?

In general, May is the cheapest month to fly from Key West to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. If you don’t want to visit District of Columbia in May, then you should wait until January to fly from Key West, when ticket prices are also cheap, with an average price of $254.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $319. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Key West because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $793.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Key West at noon is the least expensive time of day to depart. momondo users have found prices as low as $364 when looking at flights departing at noon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $388. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Key West to District of Columbia flight route?

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

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

There are 2 cabin classes available to choose from on Key West to District of Columbia 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 Key West to District of Columbia flights?

You could potentially save up to 19% on your flight if you consider stops on a Key West to District of Columbia flight.

Cheap Key West to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to District of Columbia

Best Price Found	$111
Fastest flight time	2h 40m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Key West in the past 72 hours is $111. The best round-trip flight deal from Key West to District of Columbia found on momondo in the last 72 hours is $182.

The fastest flight from Key West to District of Columbia takes 2h 40m

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

There are 2 airports in District of Columbia. From Key West there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Key West to District of Columbia

When did momondo last update prices for flights from Key West Airport to District of Columbia?
Prices for flights from Key West Airport to District of Columbia are refreshed on a daily basis.
How many operators does momondo search for flights from Key West Airport to District of Columbia?
There is 1 operator available for flights from Key West Airport to District of Columbia as of November 2026.
How old do you have to be to fly from Key West Airport to District of Columbia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia 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 Key West to District of Columbia?
Based on momondo bookings for flights between Key West and District of Columbia, the leading plane model is Embraer 175, making up 66.67% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 12.50%, Boeing 737-700 with 8.33%, and Airbus A319 with 4.17%.

Best airlines flying from Key West to District of Columbia

Compare and see reviews for airlines that fly from Key West to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $229	Free Cancellation	Rating 7.0 12,214 reviews		Search American Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to District of Columbia from Key West with this policy.

How can momondo help me find flights from Key West to District of Columbia?

Once you have performed a search for Key West to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Key West to District of Columbia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Key West to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.