What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from District of Columbia according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 4 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from District of Columbia to Florida Keys?

Southwest, Delta, and United Airlines are the most popular carriers operating from District of Columbia to Florida Keys

How many operators does momondo search for flights from District of Columbia to Florida Keys?

As of March 2026, there are 8 operators available to choose from for flights from District of Columbia to Florida Keys.

How old do you have to be to fly from District of Columbia to Florida Keys?

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 District of Columbia to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$50 Cheap Flights from District of Columbia to Florida Keys in 2026

Q: How many flights depart from District of Columbia to Florida Keys on average per week?

As of March 2026, 151 flights take off from District of Columbia and land in Florida Keys each week. The most common flight departure day for this route is Sun, with 17% of weekly flights taking off on this day.

Q: How many flights depart from District of Columbia to Florida Keys on average per day?

The number of flights available between District of Columbia and Florida Keys is 21 per day as of March 2026. The most frequent departure time is 12:00PM, with 73% of daily flights leaving in the afternoon.

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Find the cheapest flights from District of Columbia to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:25 pm - 6:17 pm

IAD

MIA

2h 52mnonstop

5:05 am - 4:39 pm

MIA

IAD

11h 34m

1 stop

$121Frontier

Mon, Apr 6 - Thu, Apr 9

3:25 pm - 6:17 pm

IAD

MIA

2h 52mnonstop

6:33 pm - 9:18 pm

MIA

IAD

2h 45mnonstop

$122Frontier

Mon, Apr 6 - Thu, Apr 9

6:20 am - 1:06 pm

IAD

MIA

6h 46m

1 stop

3:12 pm - 11:56 pm

MIA

IAD

8h 44m

1 stop

$128Multiple Airlines

Wed, Mar 18 - Tue, Mar 24

6:00 am - 12:49 am

IAD

MIA

18h 49m

1 stop

3:54 pm - 12:36 am

MIA

IAD

8h 42m

1 stop

$130Multiple Airlines

Tue, Apr 7 - Wed, Apr 15

1:45 pm - 4:37 pm

DCA

MIA

2h 52mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$137Delta

Wed, Apr 8 - Tue, Apr 14

5:48 pm - 8:47 pm

DCA

MIA

2h 59mnonstop

6:21 am - 9:00 am

MIA

DCA

2h 39mnonstop

$145American Airlines

Sat, Apr 18 - Tue, Apr 21

8:09 pm - 11:01 pm

DCA

MIA

2h 52mnonstop

8:20 am - 10:59 am

MIA

DCA

2h 39mnonstop

$147American Airlines

Sat, May 2 - Sat, May 9

6:00 am - 12:40 pm

DCA

MIA

6h 40m

1 stop

5:45 pm - 10:25 pm

MIA

DCA

4h 40m

1 stop

$152Southwest

Tue, Apr 14 - Tue, Apr 21

8:00 am - 2:05 pm

DCA

MIA

6h 05m

1 stop

12:10 pm - 8:50 pm

MIA

DCA

8h 40m

1 stop

$154Southwest

Sat, Apr 4 - Wed, Apr 8

1:45 pm - 4:37 pm

DCA

MIA

2h 52mnonstop

11:22 am - 2:03 pm

MIA

DCA

2h 41mnonstop

$158Delta

Mon, Apr 6 - Fri, Apr 17

Delta flights from District of Columbia to Florida Keys

Our best Delta deals on District of Columbia to Florida Keys flight tickets

Delta

Apr 8

DCA1:45 pmWashington, D.C. Reagan-National

2h 52m

MIA4:37 pmMiami

Apr 15

MIA11:22 amMiami

2h 41m

DCA2:03 pmWashington, D.C. Reagan-National

$137

Delta

Mar 15

DCA1:45 pmWashington, D.C. Reagan-National

2h 52m

MIA4:37 pmMiami

Mar 24

MIA11:33 amMiami

2h 35m

DCA2:08 pmWashington, D.C. Reagan-National

$147

Delta

Apr 6

DCA1:45 pmWashington, D.C. Reagan-National

2h 52m

MIA4:37 pmMiami

Apr 17

MIA11:22 amMiami

2h 41m

DCA2:03 pmWashington, D.C. Reagan-National

$158

United Airlines flights from District of Columbia to Florida Keys

Our best United Airlines deals on District of Columbia to Florida Keys flight tickets

United Airlines

Apr 6

IAD1:20 pmWashington, D.C. Dulles Intl

2h 56m

MIA4:16 pmMiami

Apr 14

MIA6:00 pmMiami

2h 49m

IAD8:49 pmWashington, D.C. Dulles Intl

$137

United Airlines

Apr 9

IAD1:20 pmWashington, D.C. Dulles Intl

2h 56m

MIA4:16 pmMiami

Apr 14

MIA1:20 pmMiami

2h 43m

IAD4:03 pmWashington, D.C. Dulles Intl

$156

United Airlines

Mar 10

IAD1:10 pmWashington, D.C. Dulles Intl

3h 01m

MIA4:11 pmMiami

Mar 25

MIA1:30 pmMiami

2h 38m

IAD4:08 pmWashington, D.C. Dulles Intl

$190

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 4/6

3:25 pm-6:17 pm

Nonstop2h 52m

Miami

Thu 4/9

5:05 am-4:39 pm

1 stop11h 34m

$121

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Mon 4/6

3:25 pm-6:17 pm

Nonstop2h 52m

Miami

Thu 4/9

6:33 pm-9:18 pm

Nonstop2h 45m

$122

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 3/18

6:20 am-1:06 pm

1 stop6h 46m

Miami

Tue 3/24

3:12 pm-11:56 pm

1 stop8h 44m

$128

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Tue 4/7

6:00 am-12:49 am

1 stop18h 49m

Miami

Wed 4/15

3:54 pm-12:36 am

1 stop8h 42m

$130

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/8

1:45 pm-4:37 pm

Nonstop2h 52m

Miami

Tue 4/14

11:22 am-2:03 pm

Nonstop2h 41m

$137

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/18

5:48 pm-8:47 pm

Nonstop2h 59m

Miami

Tue 4/21

6:21 am-9:00 am

Nonstop2h 39m

$145

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 5/2

8:09 pm-11:01 pm

Nonstop2h 52m

Miami

Sat 5/9

8:20 am-10:59 am

Nonstop2h 39m

$147

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-12:40 pm

1 stop6h 40m

Miami

Tue 4/21

5:45 pm-10:25 pm

1 stop4h 40m

$152

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Sat 4/4

8:00 am-2:05 pm

1 stop6h 05m

Miami

Wed 4/8

12:10 pm-8:50 pm

1 stop8h 40m

$154

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 4/6

1:45 pm-4:37 pm

Nonstop2h 52m

Miami

Fri 4/17

11:22 am-2:03 pm

Nonstop2h 41m

$158

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 District of Columbia to Florida Keys

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 Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from District of Columbia averaging around $192.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from District of Columbia to Florida Keys is on a Monday when prices can be found for as low as $165. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $242.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from District of Columbia to Florida Keys in the afternoon for as low as $138. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $286.

What is the cheapest District of Columbia to Florida Keys flight route?

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

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $228 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from District of Columbia for as low as $172 on momondo.

What cabin class options are available on District of Columbia to Florida Keys flights?

There are 4 cabin classes available to choose from on District of Columbia to Florida Keys 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 District of Columbia to Florida Keys flights?

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

Cheap District of Columbia to Florida Keys flight deals and tips

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

Fastest flight time	2h 40m
Direct flights	Every day
Airports in Florida Keys	3 airports

The fastest flight from District of Columbia to Florida Keys takes 2h 40m

Direct flights go from District of Columbia to Florida Keys every day.

There are 3 airports in Florida Keys. From District of Columbia there are direct flights to Miami (MIA).

Search flight deals

When did momondo last update prices for flights from District of Columbia to Florida Keys?
Prices for flights from District of Columbia to Florida Keys refresh daily.
How many operators does momondo search for flights from District of Columbia to Florida Keys?
As of March 2026, there are 8 operators available to choose from for flights from District of Columbia to Florida Keys.
How old do you have to be to fly from District of Columbia to Florida Keys?
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 District of Columbia to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to Florida Keys?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Florida Keys is Boeing 777 (11.70% of total bookings). The next most popular plane models are Airbus A320neo (10.70%), Airbus A320-100/200 (10.25%), and Boeing 737-900 (8.13%).

Best airlines flying from District of Columbia to Florida Keys

Compare and see reviews for airlines that fly from District of Columbia to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,487 reviews	Search Spirit Airlines flights
Delta	PriceFrom $175	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.1 11,369 reviews	Search American Airlines flights
United Airlines	PriceFrom $295	Free Cancellation	Rating 7.4 9,375 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Florida Keys?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Florida Keys. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from District of Columbia to Florida Keys on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Florida Keys?

Once all potential District of Columbia to Florida Keys flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Florida Keys from District of Columbia 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.