What is the cheapest airline that flies from Maryland to Florida Keys?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Maryland to Florida Keys

How many flights depart from Maryland to Florida Keys on average per week?

409 flights are operational weekly from Maryland to Florida Keys as of April 2026. The most popular departure day for this route is Sun, with 17% of flights per week taking off on this day.

What airlines fly to Florida Keys?

American Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Florida Keys from Maryland according to our data. American Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Maryland to Florida Keys?

Prices for flights from Maryland to Florida Keys refresh daily.

How many operators does momondo search for flights from Maryland to Florida Keys?

The number of operators available for flights from Maryland to Florida Keys is 9 as of April 2026.

How old do you have to be to fly from Maryland to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Florida Keys.

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

The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$43 Cheap Flights from Maryland to Florida Keys in 2026

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Find the cheapest flights from Maryland to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:32 pm - 8:28 pm

PHL

MIA

2h 56mnonstop

9:38 pm - 12:45 am

MIA

PHL

3h 07mnonstop

$84Frontier

Mon, Jun 1 - Sun, Jun 7

4:47 pm - 7:42 pm

PHL

MIA

2h 55mnonstop

8:53 pm - 11:45 pm

MIA

PHL

2h 52mnonstop

$85Multiple Airlines

Tue, May 12 - Fri, May 22

5:32 pm - 8:28 pm

PHL

MIA

2h 56mnonstop

8:53 pm - 11:45 pm

MIA

PHL

2h 52mnonstop

$86Multiple Airlines

Mon, Jun 8 - Mon, Jun 15

11:59 am - 2:49 pm

PHL

MIA

2h 50mnonstop

12:53 pm - 9:57 pm

MIA

PHL

9h 04m

1 stop

$88Spirit Airlines

Mon, Apr 27 - Thu, Apr 30

11:59 am - 2:49 pm

PHL

MIA

2h 50mnonstop

8:12 am - 10:54 am

MIA

PHL

2h 42mnonstop

$90Spirit Airlines

Thu, Apr 30 - Sun, May 3

7:27 pm - 10:12 pm

BWI

MIA

2h 45mnonstop

8:10 am - 4:22 pm

MIA

BWI

8h 12m

1 stop

$103Frontier

Mon, May 25 - Wed, May 27

2:47 pm - 5:37 pm

DCA

MIA

2h 50mnonstop

11:10 am - 1:49 pm

MIA

DCA

2h 39mnonstop

$199Delta

Tue, May 12 - Tue, May 19

7:00 am - 1:30 pm

DCA

EYW

6h 30m

1 stop

1:22 pm - 8:45 pm

EYW

DCA

7h 23m

1 stop

$309Delta

Sat, May 16 - Wed, May 20

6:25 am - 11:16 am

IAD

EYW

4h 51m

1 stop

4:20 pm - 11:59 pm

EYW

IAD

7h 39m

1 stop

$309American Airlines

Wed, May 6 - Wed, May 13

8:20 am - 11:35 am

DCA

EYW

3h 15mnonstop

12:07 pm - 3:04 pm

EYW

DCA

2h 57mnonstop

$314American Airlines

Tue, Jul 7 - Tue, Jul 14

Frontier flights from Maryland to Florida Keys

Our best Frontier deals on Maryland to Florida Keys flight tickets

Frontier

Jun 1

PHL5:32 pmPhiladelphia

2h 56m

MIA8:28 pmMiami

Jun 7

MIA9:38 pmMiami

3h 07m

PHL12:45 amPhiladelphia

$84

Frontier

Apr 19

PHL5:32 pmPhiladelphia

3h 02m

MIA8:34 pmMiami

Apr 24

MIA5:40 pmMiami

3h 06m

PHL8:46 pmPhiladelphia

$85

Frontier

Apr 15

PHL6:05 amPhiladelphia

3h 03m

MIA9:08 amMiami

Apr 18

MIA10:13 amMiami

3h 04m

PHL1:17 pmPhiladelphia

$88

Spirit Airlines flights from Maryland to Florida Keys

Our best Spirit Airlines deals on Maryland to Florida Keys flight tickets

Spirit Airlines

Apr 30

PHL11:59 amPhiladelphia

2h 50m

MIA2:49 pmMiami

May 3

MIA8:12 amMiami

2h 42m

PHL10:54 amPhiladelphia

$90

Spirit Airlines

Apr 18

PHL5:51 pmPhiladelphia

2h 47m

MIA8:38 pmMiami

Apr 19

MIA8:12 amMiami

2h 42m

PHL10:54 amPhiladelphia

$93

Spirit Airlines

Apr 23

PHL11:59 amPhiladelphia

2h 50m

MIA2:49 pmMiami

Apr 30

MIA3:54 pmMiami

6h 03m

1 stop

PHL9:57 pmPhiladelphia

$98

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 6/1

5:32 pm-8:28 pm

Nonstop2h 56m

Miami

Sun 6/7

9:38 pm-12:45 am

Nonstop3h 07m

$84

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Tue 5/12

4:47 pm-7:42 pm

Nonstop2h 55m

Miami

Fri 5/22

8:53 pm-11:45 pm

Nonstop2h 52m

$85

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 6/8

5:32 pm-8:28 pm

Nonstop2h 56m

Miami

Mon 6/15

8:53 pm-11:45 pm

Nonstop2h 52m

$86

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 4/27

11:59 am-2:49 pm

Nonstop2h 50m

Miami

Thu 4/30

12:53 pm-9:57 pm

1 stop9h 04m

$88

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Thu 4/30

11:59 am-2:49 pm

Nonstop2h 50m

Miami

Sun 5/3

8:12 am-10:54 am

Nonstop2h 42m

$90

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 5/25

7:27 pm-10:12 pm

Nonstop2h 45m

Miami

Wed 5/27

8:10 am-4:22 pm

1 stop8h 12m

$103

Quickest round-trip

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Tue 5/12

2:47 pm-5:37 pm

Nonstop2h 50m

Miami

Tue 5/19

11:10 am-1:49 pm

Nonstop2h 39m

$199

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

7:00 am-1:30 pm

1 stop6h 30m

Key West

Wed 5/20

1:22 pm-8:45 pm

1 stop7h 23m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Wed 5/6

6:25 am-11:16 am

1 stop4h 51m

Key West

Wed 5/13

4:20 pm-11:59 pm

1 stop7h 39m

$309

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Tue 7/7

8:20 am-11:35 am

Nonstop3h 15m

Key West

Tue 7/14

12:07 pm-3:04 pm

Nonstop2h 57m

$314

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 Maryland 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 October is another great option to travel to Florida Keys, with average flight prices from Maryland averaging around $192.

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

The cheapest day to depart from Maryland to Florida Keys is on a Monday when prices can be found for as low as $294. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $450.

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 Maryland to Florida Keys in the afternoon for as low as $196. 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 $451.

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

You are more likely to see cheaper flights to Florida Keys from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $230 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Maryland for as low as $173 on momondo.

Can stopping save me money on Maryland to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Maryland to Florida Keys.

Cheap Maryland to Florida Keys flight deals and tips

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

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

The fastest flight from Maryland to Florida Keys takes 2h 40m

Direct flights go from Maryland to Florida Keys every day.

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

Search flight deals

Frequently asked questions about flying from Maryland to Florida Keys

When did momondo last update prices for flights from Maryland to Florida Keys?
Prices for flights from Maryland to Florida Keys refresh daily.
How many operators does momondo search for flights from Maryland to Florida Keys?
The number of operators available for flights from Maryland to Florida Keys is 9 as of April 2026.
How old do you have to be to fly from Maryland to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents required for your trip to Florida Keys can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florida Keys. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Maryland to Florida Keys?
Based on momondo bookings for flights between Maryland and Florida Keys, the leading plane model is Boeing 737 MAX 8, making up 17.66% of the total bookings. Other popular models include Airbus A320-100/200 with 10.55%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.02%, and Airbus A320neo with 8.40%.

Best airlines flying from Maryland to Florida Keys

Compare and see reviews for airlines that fly from Maryland to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $105	Free Cancellation	Rating 6.3 8,610 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.1 11,569 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,408 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to Florida Keys?

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

Can I find flights from Maryland to Florida Keys with flexible booking policies on momondo?

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

How can momondo help me find flights from Maryland to Florida Keys?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Florida Keys from Maryland.

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

Yes momondo offers price alerts on flights to Florida Keys from Maryland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.