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Cheap flights from Key West to District of Columbia from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to District of Columbia departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Key West to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:46 pm - 8:40 am
EYW
-
IAD
16h 54m1 stop
Multiple Airlines Logo
4:13 pm - 4:51 pm
IAD
-
EYW
24h 38m1 stop
$178Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
9:46 am - 7:20 am
EYW
-
IAD
21h 34m1 stop
Multiple Airlines Logo
8:30 pm - 10:11 am
IAD
-
EYW
13h 41m1 stop
$182Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
1:01 pm - 2:08 pm
EYW
-
IAD
25h 07m1 stop
Multiple Airlines Logo
9:03 pm - 9:37 pm
IAD
-
EYW
24h 34m1 stop
$195Multiple Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
9:46 am - 8:32 pm
EYW
-
IAD
10h 46m1 stop
Multiple Airlines Logo
8:30 pm - 10:11 am
IAD
-
EYW
13h 41m1 stop
$211Multiple Airlines
Sun, Feb 15 - Sun, Feb 22
Multiple Airlines Logo
3:52 pm - 10:44 am
EYW
-
IAD
18h 52m2 stops
Multiple Airlines Logo
11:37 am - 9:37 pm
IAD
-
EYW
10h 00m1 stop
$218Multiple Airlines
Fri, Jan 30 - Thu, Feb 5
Delta Logo
6:06 pm - 11:32 pm
EYW
-
DCA
5h 26m1 stop
Delta Logo
1:40 pm - 7:40 pm
DCA
-
EYW
6h 00m1 stop
$249Delta
Fri, Jan 30 - Tue, Feb 3
Delta Logo
6:06 pm - 12:24 am
EYW
-
IAD
6h 18m1 stop
Delta Logo
6:00 am - 1:48 pm
IAD
-
EYW
7h 48m1 stop
$249Delta
Fri, Jan 30 - Mon, Feb 2
American Airlines Logo
5:35 pm - 8:23 pm
EYW
-
DCA
2h 48mnonstop
American Airlines Logo
7:45 am - 10:53 am
DCA
-
EYW
3h 08mnonstop
$276American Airlines
Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
5:14 pm - 7:59 pm
EYW
-
DCA
2h 45mnonstop
American Airlines Logo
7:31 am - 10:43 am
DCA
-
EYW
3h 12mnonstop
$279American Airlines
Mon, Dec 29 - Fri, Jan 2
United Airlines Logo
1:25 pm - 4:14 pm
EYW
-
IAD
2h 49mnonstop
United Airlines Logo
8:15 am - 11:41 am
IAD
-
EYW
3h 26mnonstop
$279United Airlines
Mon, Dec 29 - Fri, Jan 2

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 29
EYW1:25 pmKey West
2h 49m
IAD4:14 pmWashington, D.C. Dulles Intl
Jan 2
IAD8:15 amWashington, D.C. Dulles Intl
3h 26m
EYW11:41 amKey West
$279
Find similar
United Airlines
Dec 29
EYW3:09 pmKey West
5h 45m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
Jan 2
IAD1:06 pmWashington, D.C. Dulles Intl
3h 23m
EYW4:29 pmKey West
$289
Find similar
United Airlines
Dec 29
EYW3:09 pmKey West
5h 45m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
Jan 2
IAD8:20 amWashington, D.C. Dulles Intl
8h 53m
1 stop
EYW5:13 pmKey West
$299
Find similar

Delta flights from Key West to District of Columbia

Our best Delta deals on Key West to District of Columbia flight tickets
Delta
Jan 30
EYW6:06 pmKey West
6h 18m
1 stop
IAD12:24 amWashington, D.C. Dulles Intl
Feb 8
IAD12:40 pmWashington, D.C. Dulles Intl
7h 00m
1 stop
EYW7:40 pmKey West
$249
Find similar
Delta
Jan 30
EYW6:06 pmKey West
5h 26m
1 stop
DCA11:32 pmWashington, D.C. Reagan-National
Feb 6
DCA1:40 pmWashington, D.C. Reagan-National
6h 00m
1 stop
EYW7:40 pmKey West
$274
Find similar
Delta
Feb 18
EYW7:10 amKey West
7h 34m
1 stop
IAD2:44 pmWashington, D.C. Dulles Intl
Feb 21
IAD6:00 amWashington, D.C. Dulles Intl
4h 59m
1 stop
EYW10:59 amKey West
$296
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 15, 2025.
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

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 2/5

3:46 pm-8:40 am

1 stop16h 54m

Washington, D.C. Dulles Intl

Sun 2/8

4:13 pm-4:51 pm

1 stop24h 38m

$178

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 2/19

9:46 am-7:20 am

1 stop21h 34m

Washington, D.C. Dulles Intl

Sun 2/22

8:30 pm-10:11 am

1 stop13h 41m

$182

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Sat 1/10

1:01 pm-2:08 pm

1 stop25h 07m

Washington, D.C. Dulles Intl

Sat 1/17

9:03 pm-9:37 pm

1 stop24h 34m

$195

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Sun 2/15

9:46 am-8:32 pm

1 stop10h 46m

Washington, D.C. Dulles Intl

Sun 2/22

8:30 pm-10:11 am

1 stop13h 41m

$211

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Fri 1/30

3:52 pm-10:44 am

2 stops18h 52m

Washington, D.C. Dulles Intl

Thu 2/5

11:37 am-9:37 pm

1 stop10h 00m

$218

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 1/30

6:06 pm-11:32 pm

1 stop5h 26m

Washington, D.C. Reagan-National

Tue 2/3

1:40 pm-7:40 pm

1 stop6h 00m

$249

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Fri 1/30

6:06 pm-12:24 am

1 stop6h 18m

Washington, D.C. Dulles Intl

Mon 2/2

6:00 am-1:48 pm

1 stop7h 48m

$249

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 1/10

5:35 pm-8:23 pm

Nonstop2h 48m

Washington, D.C. Reagan-National

Sat 1/17

7:45 am-10:53 am

Nonstop3h 08m

$276

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Mon 12/29

5:14 pm-7:59 pm

Nonstop2h 45m

Washington, D.C. Reagan-National

Fri 1/2

7:31 am-10:43 am

Nonstop3h 12m

$279

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Mon 12/29

1:25 pm-4:14 pm

Nonstop2h 49m

Washington, D.C. Dulles Intl

Fri 1/2

8:15 am-11:41 am

Nonstop3h 26m

$279

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 District of Columbia from

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

What is the cheapest month to fly to District of Columbia?

In general, September 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 $254. If you don’t want to visit District of Columbia in September, then you should wait until August to fly from Key West, when ticket prices are also cheap, with an average price of $331.

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 Wednesday when prices can be found for as low as $357. 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 $659.

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

Flying to District of Columbia from Key West in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $465. 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. Dulles Intl 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 4 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?

No. A direct flight is the cheapest option for a flight between Key West to District of Columbia.

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

$223

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 $223. The best round-trip flight deal from Key West to District of Columbia found on momondo in the last 72 hours is $339.
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

  • 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?

  • 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?

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
DeltaPriceFrom $223Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $224Free CancellationRating
7.2
11,052 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.

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