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

Delta, Southwest, and Spirit 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 August 2025, there are 204 flights per week flying from Florida Keys to New Hampshire. The most common day of the week flights depart is Mon, 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 August 2025.

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.

$69 Cheap Flights from Florida Keys to New Hampshire in 2025

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Find the cheapest flights from Florida Keys to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:35 pm - 9:58 amMIA-BOS

16h 23m1 stop

2:18 pm - 5:50 pmBOS-MIA

3h 32mnonstop

$116

Find Deal

sáb., sep. 6 - sáb., sep. 13

8:25 pm - 11:59 pmMIA-BOS

3h 34mnonstop

7:15 am - 10:45 amBOS-MIA

3h 30mnonstop

$117Delta

Find Deal

mié., sep. 3 - sáb., sep. 6

9:56 am - 1:23 pmMIA-BOS

3h 27mnonstop

4:55 pm - 11:35 pmBOS-MIA

6h 40m1 stop

$118Spirit Airlines

Find Deal

jue., sep. 4 - lun., sep. 8

12:40 pm - 3:56 pmMIA-BOS

3h 16mnonstop

4:54 pm - 8:32 pmBOS-MIA

3h 38mnonstop

$121Spirit Airlines

Find Deal

vie., oct. 10 - lun., oct. 13

7:24 am - 10:49 amMIA-BOS

3h 25mnonstop

11:44 am - 3:20 pmBOS-MIA

3h 36mnonstop

$126Frontier

Find Deal

jue., oct. 23 - dom., oct. 26

7:24 am - 10:49 amMIA-BOS

3h 25mnonstop

8:12 am - 4:03 pmBOS-MIA

7h 51m1 stop

$136Frontier

Find Deal

jue., oct. 23 - dom., oct. 26

7:45 am - 3:25 pmMIA-BOS

7h 40m2 stops

5:00 am - 10:50 amBOS-MIA

5h 50m1 stop

$156Southwest

Find Deal

mar., sep. 16 - lun., sep. 22

7:31 pm - 12:59 amEYW-BOS

5h 28m1 stop

7:10 am - 12:58 pmBOS-EYW

5h 48m1 stop

$171American Airlines

Find Deal

mar., sep. 23 - mar., oct. 7

7:31 pm - 12:59 amEYW-BOS

5h 28m1 stop

9:20 am - 5:16 pmBOS-EYW

7h 56m2 stops

$176American Airlines

Find Deal

mar., sep. 23 - mar., oct. 7

5:05 pm - 11:25 pmMIA-MHT

6h 20m1 stop

2:25 pm - 8:35 pmMHT-MIA

6h 10m1 stop

$277Southwest

Find Deal

jue., sep. 4 - sáb., sep. 6

Spirit Airlines flights from Florida Keys to New Hampshire

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

Spirit Airlines

Sep 4

MIA9:56 amMiami

3h 27m

BOS1:23 pmBoston Logan Intl

Sep 8

BOS4:55 pmBoston Logan Intl

6h 40m

1 stop

MIA11:35 pmMiami

$118

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Spirit Airlines

Oct 10

MIA12:40 pmMiami

3h 16m

BOS3:56 pmBoston Logan Intl

Oct 13

BOS4:54 pmBoston Logan Intl

3h 38m

MIA8:32 pmMiami

$121

Find similar

Spirit Airlines

Sep 3

MIA3:40 pmMiami

6h 54m

1 stop

BOS10:34 pmBoston Logan Intl

Sep 6

BOS2:18 pmBoston Logan Intl

3h 32m

MIA5:50 pmMiami

$123

Find similar

American Airlines flights from Florida Keys to New Hampshire

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

American Airlines

Sep 2

MIA9:22 pmMiami

3h 26m

BOS12:48 amBoston Logan Intl

Sep 9

BOS1:05 pmBoston Logan Intl

3h 33m

MIA4:38 pmMiami

$142

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American Airlines

Sep 2

MIA9:22 pmMiami

3h 26m

BOS12:48 amBoston Logan Intl

Sep 5

BOS7:36 amBoston Logan Intl

3h 37m

MIA11:13 amMiami

$162

Find similar

American Airlines

Sep 23

EYW7:31 pmKey West

5h 28m

1 stop

BOS12:59 amBoston Logan Intl

Oct 7

BOS7:10 amBoston Logan Intl

5h 48m

1 stop

EYW12:58 pmKey West

$171

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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

sáb. 9/6

5:35 pm-9:58 am

1 stop16h 23m

Boston Logan Intl

sáb. 9/13

2:18 pm-5:50 pm

Nonstop3h 32m

$116

MiamiBoston

MIA - BOS

MIABOS

Miami

mié. 9/3

8:25 pm-11:59 pm

Nonstop3h 34m

Boston Logan Intl

sáb. 9/6

7:15 am-10:45 am

Nonstop3h 30m

$117

MiamiBoston

MIA - BOS

MIABOS

Miami

jue. 9/4

9:56 am-1:23 pm

Nonstop3h 27m

Boston Logan Intl

lun. 9/8

4:55 pm-11:35 pm

1 stop6h 40m

$118

MiamiBoston

MIA - BOS

MIABOS

Miami

vie. 10/10

12:40 pm-3:56 pm

Nonstop3h 16m

Boston Logan Intl

lun. 10/13

4:54 pm-8:32 pm

Nonstop3h 38m

$121

MiamiBoston

MIA - BOS

MIABOS

Miami

jue. 10/23

7:24 am-10:49 am

Nonstop3h 25m

Boston Logan Intl

dom. 10/26

11:44 am-3:20 pm

Nonstop3h 36m

$126

MiamiBoston

MIA - BOS

MIABOS

Miami

jue. 10/23

7:24 am-10:49 am

Nonstop3h 25m

Boston Logan Intl

dom. 10/26

8:12 am-4:03 pm

1 stop7h 51m

$136

MiamiBoston

MIA - BOS

MIABOS

Miami

mar. 9/16

7:45 am-3:25 pm

2 stops7h 40m

Boston Logan Intl

lun. 9/22

5:00 am-10:50 am

1 stop5h 50m

$156

Key WestBoston

EYW - BOS

EYWBOS

Key West

mar. 9/23

7:31 pm-12:59 am

1 stop5h 28m

Boston Logan Intl

mar. 10/7

7:10 am-12:58 pm

1 stop5h 48m

$171

Key WestBoston

EYW - BOS

EYWBOS

Key West

mar. 9/23

7:31 pm-12:59 am

1 stop5h 28m

Boston Logan Intl

mar. 10/7

9:20 am-5:16 pm

2 stops7h 56m

$176

MiamiManchester

MIA - MHT

MIAMHT

Miami

jue. 9/4

5:05 pm-11:25 pm

1 stop6h 20m

Manchester

sáb. 9/6

2:25 pm-8:35 pm

1 stop6h 10m

$277

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 September is another great option to travel to New Hampshire, with average flight prices from Florida Keys averaging around $157.

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 Saturday when prices can be found for as low as $289. 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 Sunday, with ticket prices averaging around $681.

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 afternoon. momondo users have found flights departing from Florida Keys to New Hampshire in the afternoon for as low as $338. 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 in the morning because they tend to be around $508. 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 $186 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 $148 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 12m
Direct flights	Every day
Airports in New Hampshire	1 airport

The fastest flight from Florida Keys to New Hampshire takes 3h 12m

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

There is 1 airport near New Hampshire: 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 August 2025.
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 12.80% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 9.76%, Airbus A220-300 at 9.36%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 8.74%.

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.

An easier way to manage your New Hampshire trip

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Find better results for your trip to New Hampshire

Popular cities in New Hampshire

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Cheap flights from Florida Keys to New Hampshire from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Florida Keys to New Hampshire departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Florida Keys to New Hampshire

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Florida Keys to New Hampshire

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

American Airlines flights from Florida Keys to New Hampshire

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

momondo Fare Finder

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

See travel insights to New Hampshire from

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

What is the cheapest month to fly to New Hampshire?

The month of September is another great option to travel to New Hampshire, with average flight prices from Florida Keys averaging around $157.

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

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

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

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.

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

Delta, Southwest, and Spirit 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 August 2025, there are 204 flights per week flying from Florida Keys to New Hampshire. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

Direct flights

Airports in New Hampshire

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

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

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

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

What is the most popular plane model from Florida Keys to New Hampshire?

Why use momondo?

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

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

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

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

An easier way to manage your New Hampshire trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to New Hampshire

Popular cities in New Hampshire

Popular flights according to clicks in the last 7 days on momondo