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

Delta, Southwest, and American Airlines are the most popular carriers operating from Florida Keys to New Hampshire

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

As of February 2026, there are 210 flights per week flying from Florida Keys to New Hampshire. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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

Prices for flights from Florida Keys to New Hampshire are refreshed on a daily basis.

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

There are 7 operators available for flights from Florida Keys to New Hampshire as of February 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Florida Keys to New Hampshire.

What documentation or ID do you need to fly to New Hampshire?

The required travel and health documents for your New Hampshire 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 New Hampshire. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$53 Cheap Flights from Florida Keys to New Hampshire in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Florida Keys to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:37 pm - 11:59 pm

MIA

BOS

3h 22mnonstop

5:50 pm - 9:32 pm

BOS

MIA

3h 42mnonstop

$81Spirit Airlines

Fri, Mar 6 - Tue, Mar 10

10:39 am - 1:55 pm

MIA

BOS

3h 16mnonstop

6:01 am - 9:34 am

BOS

MIA

3h 33mnonstop

$82Spirit Airlines

Wed, Mar 25 - Tue, Mar 31

7:40 am - 1:50 pm

MIA

PWM

6h 10m

1 stop

5:23 am - 2:10 pm

PWM

MIA

8h 47m

1 stop

$217Delta

Fri, Mar 27 - Tue, Mar 31

6:28 pm - 11:57 pm

EYW

BOS

5h 29m

1 stop

10:30 am - 5:45 pm

BOS

EYW

7h 15m

1 stop

$227United Airlines

Thu, Mar 5 - Tue, Mar 24

11:51 am - 4:54 pm

EYW

BOS

29h 03m

1 stop

4:23 pm - 9:06 am

BOS

EYW

16h 43m

1 stop

$228Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

12:10 pm - 10:21 am

EYW

BOS

22h 11m

1 stop

12:55 pm - 11:06 am

BOS

EYW

22h 11m

2 stops

$233Multiple Airlines

Fri, May 15 - Tue, May 19

4:05 pm - 12:35 am

EYW

BOS

8h 30m

1 stop

6:00 am - 2:55 pm

BOS

EYW

8h 55m

1 stop

$247United Airlines

Thu, Mar 5 - Sun, Mar 8

3:40 pm - 11:49 pm

MIA

MHT

8h 09m

1 stop

10:22 am - 3:50 pm

MHT

MIA

5h 28m

1 stop

$256American Airlines

Tue, Apr 7 - Tue, Apr 14

3:40 pm - 11:49 pm

MIA

MHT

8h 09m

1 stop

5:44 am - 11:20 am

MHT

MIA

5h 36m

1 stop

$257American Airlines

Tue, Apr 21 - Tue, Apr 28

3:45 pm - 11:20 pm

MIA

PWM

7h 35m

1 stop

6:25 am - 2:20 pm

PWM

MIA

7h 55m

1 stop

$290Delta

Fri, Mar 6 - Tue, Mar 10

Spirit Airlines flights from Florida Keys to New Hampshire

Our best Spirit Airlines deals on Florida Keys to New Hampshire flight tickets

Spirit Airlines

Mar 6

MIA8:37 pmMiami

3h 22m

BOS11:59 pmBoston Logan Intl

Mar 10

BOS5:50 pmBoston Logan Intl

3h 42m

MIA9:32 pmMiami

$81

Spirit Airlines

Mar 25

MIA10:39 amMiami

3h 16m

BOS1:55 pmBoston Logan Intl

Mar 31

BOS6:01 amBoston Logan Intl

3h 33m

MIA9:34 amMiami

$82

Spirit Airlines

Mar 6

MIA8:37 pmMiami

3h 22m

BOS11:59 pmBoston Logan Intl

Mar 8

BOS5:50 pmBoston Logan Intl

3h 42m

MIA9:32 pmMiami

$84

JetBlue flights from Florida Keys to New Hampshire

Our best JetBlue deals on Florida Keys to New Hampshire flight tickets

JetBlue

Mar 26

EYW12:50 pmKey West

3h 36m

BOS4:26 pmBoston Logan Intl

Apr 1

BOS8:00 amBoston Logan Intl

3h 38m

EYW11:38 amKey West

$277

JetBlue

Mar 11

EYW12:48 pmKey West

3h 36m

BOS4:24 pmBoston Logan Intl

Mar 18

BOS8:04 amBoston Logan Intl

3h 55m

EYW11:59 amKey West

$292

JetBlue

Mar 3

EYW12:48 pmKey West

3h 36m

BOS4:24 pmBoston Logan Intl

Mar 11

BOS8:00 amBoston Logan Intl

3h 58m

EYW11:58 amKey West

$342

momondo Fare Finder

Use the filters below to find and compare flights from Florida Keys to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 3/6

8:37 pm-11:59 pm

Nonstop3h 22m

Boston Logan Intl

Tue 3/10

5:50 pm-9:32 pm

Nonstop3h 42m

$81

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 3/25

10:39 am-1:55 pm

Nonstop3h 16m

Boston Logan Intl

Tue 3/31

6:01 am-9:34 am

Nonstop3h 33m

$82

MiamiPortland

MIA - PWM

MIAPWM

Miami

Fri 3/27

7:40 am-1:50 pm

1 stop6h 10m

Portland

Tue 3/31

5:23 am-2:10 pm

1 stop8h 47m

$217

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 3/5

6:28 pm-11:57 pm

1 stop5h 29m

Boston Logan Intl

Tue 3/24

10:30 am-5:45 pm

1 stop7h 15m

$227

Key WestBoston

EYW - BOS

EYWBOS

Key West

Wed 3/11

11:51 am-4:54 pm

1 stop29h 03m

Boston Logan Intl

Wed 3/18

4:23 pm-9:06 am

1 stop16h 43m

$228

Key WestBoston

EYW - BOS

EYWBOS

Key West

Fri 5/15

12:10 pm-10:21 am

1 stop22h 11m

Boston Logan Intl

Tue 5/19

12:55 pm-11:06 am

2 stops22h 11m

$233

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 3/5

4:05 pm-12:35 am

1 stop8h 30m

Boston Logan Intl

Sun 3/8

6:00 am-2:55 pm

1 stop8h 55m

$247

MiamiManchester

MIA - MHT

MIAMHT

Miami

Tue 4/7

3:40 pm-11:49 pm

1 stop8h 09m

Manchester

Tue 4/14

10:22 am-3:50 pm

1 stop5h 28m

$256

MiamiManchester

MIA - MHT

MIAMHT

Miami

Tue 4/21

3:40 pm-11:49 pm

1 stop8h 09m

Manchester

Tue 4/28

5:44 am-11:20 am

1 stop5h 36m

$257

MiamiPortland

MIA - PWM

MIAPWM

Miami

Fri 3/6

3:45 pm-11:20 pm

1 stop7h 35m

Portland

Tue 3/10

6:25 am-2:20 pm

1 stop7h 55m

$290

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 Florida Keys to New Hampshire

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 New Hampshire?

The month of March is another great option to travel to New Hampshire, with average flight prices from Florida Keys averaging around $177.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Friday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Monday, with ticket prices averaging around $583.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is in the morning. momondo users have found flights departing from Florida Keys to New Hampshire in the morning for as low as $331. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $390. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from Florida Keys when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $213 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from Florida Keys for as low as $167 on momondo.

Can stopping save me money on Florida Keys to New Hampshire flights?

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

Cheap Florida Keys to New Hampshire flight deals and tips

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

Fastest flight time	3h 15m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from Florida Keys to New Hampshire takes 3h 15m

Direct flights go from Florida Keys to New Hampshire every day.

There are 52 airports in New Hampshire. From Florida Keys there are direct flights to Boston Logan Intl (BOS).

Search flight deals

When did momondo last update prices for flights from Florida Keys to New Hampshire?
Prices for flights from Florida Keys to New Hampshire are refreshed on a daily basis.
How many operators does momondo search for flights from Florida Keys to New Hampshire?
There are 7 operators available for flights from Florida Keys to New Hampshire as of February 2026.
How old do you have to be to fly from Florida Keys to New Hampshire?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Florida Keys to New Hampshire.
What documentation or ID do you need to fly to New Hampshire?
The required travel and health documents for your New Hampshire 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 New Hampshire. 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 Florida Keys to New Hampshire?
momondo data reveals that the most frequently booked plane model on the route from Florida Keys to New Hampshire is Airbus A320-100/200, representing 18.02% of all bookings. The subsequent popular models are Airbus A220-300 at 15.68%, Boeing 737 MAX 8 at 11.08%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 7.39%.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Florida Keys to New Hampshire for you.

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

Flights from Florida Keys to New Hampshire with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to New Hampshire from Florida Keys. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Florida Keys to New Hampshire flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.