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

United Airlines, American Airlines, and Delta are the most popular carriers 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 August 2026, there are 9 flights per week flying from Key West to District of Columbia. The most common day of the week flights depart is Sun, with 33% of flights taking off on this day.

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

The number of flights available between Key West and District of Columbia is 1 per day as of August 2026. The most frequent departure time is 12:00PM, with 81% of daily flights leaving in the afternoon.

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 August 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.

$121 Cheap Flights from Key West to District of Columbia in 2026

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.

10:04 am - 8:26 am

EYW

IAD

22h 22m

1 stop

9:48 am - 11:04 am

IAD

EYW

25h 16m

1 stop

$275Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

10:04 am - 5:36 pm

EYW

IAD

7h 32m

2 stops

9:48 am - 11:04 am

IAD

EYW

25h 16m

1 stop

$280Multiple Airlines

Wed, Nov 11 - Sun, Nov 15

8:36 pm - 10:17 am

EYW

IAD

13h 41m

1 stop

1:50 pm - 12:36 pm

IAD

EYW

22h 46m

1 stop

$287Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

8:36 pm - 10:17 am

EYW

IAD

13h 41m

1 stop

6:13 pm - 12:36 pm

IAD

EYW

18h 23m

2 stops

$290Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

12:07 pm - 6:33 pm

EYW

IAD

6h 26m

1 stop

8:39 pm - 7:13 pm

IAD

EYW

46h 34m

2 stops

$297Multiple Airlines

Fri, Aug 14 - Tue, Aug 18

11:46 am - 5:14 pm

EYW

IAD

29h 28m

2 stops

11:05 am - 11:25 am

IAD

EYW

24h 20m

1 stop

$300Multiple Airlines

Wed, Aug 26 - Wed, Sep 2

11:46 am - 11:43 am

EYW

IAD

23h 57m

1 stop

11:05 am - 11:25 am

IAD

EYW

24h 20m

1 stop

$321Multiple Airlines

Wed, Aug 26 - Wed, Sep 2

6:19 pm - 11:44 pm

EYW

DCA

5h 25m

1 stop

6:00 am - 12:53 pm

DCA

EYW

6h 53m

1 stop

$333Delta

Thu, Sep 24 - Tue, Sep 29

12:45 pm - 3:44 pm

EYW

DCA

2h 59mnonstop

8:50 am - 12:13 pm

DCA

EYW

3h 23mnonstop

$438American Airlines

Thu, Sep 24 - Tue, Sep 29

12:06 pm - 3:08 pm

EYW

DCA

3h 02mnonstop

8:20 am - 11:36 am

DCA

EYW

3h 16mnonstop

$438American Airlines

Thu, Sep 3 - Sat, Sep 5

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Delta flights from Key West to District of Columbia

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

Delta

Sep 24

EYW11:42 amKey West

4h 35m

1 stop

IAD4:17 pmWashington, D.C. Dulles Intl

Sep 29

IAD8:08 amWashington, D.C. Dulles Intl

4h 45m

1 stop

EYW12:53 pmKey West

$333

Delta

Oct 8

EYW6:10 pmKey West

6h 32m

1 stop

IAD12:42 amWashington, D.C. Dulles Intl

Oct 11

IAD6:00 amWashington, D.C. Dulles Intl

4h 47m

1 stop

EYW10:47 amKey West

$353

Delta

Oct 8

EYW6:10 pmKey West

6h 32m

1 stop

IAD12:42 amWashington, D.C. Dulles Intl

Oct 11

IAD6:00 amWashington, D.C. Dulles Intl

4h 47m

1 stop

EYW10:47 amKey West

$359

American Airlines flights from Key West to District of Columbia

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

American Airlines

Sep 24

EYW12:45 pmKey West

2h 59m

DCA3:44 pmWashington, D.C. Reagan-National

Sep 29

DCA8:50 amWashington, D.C. Reagan-National

3h 23m

EYW12:13 pmKey West

$438

American Airlines

Sep 24

EYW11:30 amKey West

4h 58m

1 stop

DCA4:28 pmWashington, D.C. Reagan-National

Sep 29

DCA8:50 amWashington, D.C. Reagan-National

3h 23m

EYW12:13 pmKey West

$448

American Airlines

Nov 11

EYW10:18 amKey West

4h 42m

1 stop

DCA3:00 pmWashington, D.C. Reagan-National

Nov 15

DCA3:15 pmWashington, D.C. Reagan-National

3h 10m

EYW6:25 pmKey West

$468

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 - IAD

EYWIAD

Key West

Wed 11/11

10:04 am-8:26 am

1 stop22h 22m

Washington, D.C. Dulles Intl

Sun 11/15

9:48 am-11:04 am

1 stop25h 16m

$275

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Wed 11/11

10:04 am-5:36 pm

2 stops7h 32m

Washington, D.C. Dulles Intl

Sun 11/15

9:48 am-11:04 am

1 stop25h 16m

$280

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 10/1

8:36 pm-10:17 am

1 stop13h 41m

Washington, D.C. Dulles Intl

Mon 10/5

1:50 pm-12:36 pm

1 stop22h 46m

$287

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 10/1

8:36 pm-10:17 am

1 stop13h 41m

Washington, D.C. Dulles Intl

Mon 10/5

6:13 pm-12:36 pm

2 stops18h 23m

$290

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Fri 8/14

12:07 pm-6:33 pm

1 stop6h 26m

Washington, D.C. Dulles Intl

Tue 8/18

8:39 pm-7:13 pm

2 stops46h 34m

$297

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Wed 8/26

11:46 am-5:14 pm

2 stops29h 28m

Washington, D.C. Dulles Intl

Wed 9/2

11:05 am-11:25 am

1 stop24h 20m

$300

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Wed 8/26

11:46 am-11:43 am

1 stop23h 57m

Washington, D.C. Dulles Intl

Wed 9/2

11:05 am-11:25 am

1 stop24h 20m

$321

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 9/24

6:19 pm-11:44 pm

1 stop5h 25m

Washington, D.C. Reagan-National

Tue 9/29

6:00 am-12:53 pm

1 stop6h 53m

$333

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 9/24

12:45 pm-3:44 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

Tue 9/29

8:50 am-12:13 pm

Nonstop3h 23m

$438

Quickest round-trip

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 9/3

12:06 pm-3:08 pm

Nonstop3h 02m

Washington, D.C. Reagan-National

Sat 9/5

8:20 am-11:36 am

Nonstop3h 16m

$438

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 $289. 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 $359.

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 $308. 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 $733.

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 $409. 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 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 21% 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

Fastest flight time	4h 35m
Direct flights	Every day
Airports in District of Columbia	2 airports

The fastest flight from Key West to District of Columbia takes 4h 35m

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 August 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 38.46% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 23.08%, Boeing 737-700 with 15.38%, and Airbus A319 with 7.69%.

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 $224	Free Cancellation	Rating 7.1 11,842 reviews		Search American Airlines flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.8 8,483 reviews		Search Delta 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.