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Cheap flights from New Hampshire to Florida Keys from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Florida Keys departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from New Hampshire to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:20 pm - 3:52 pmBOS-MIA
3h 32mnonstop
Multiple Airlines Logo
3:42 pm - 12:05 amMIA-BOS
8h 23m1 stop
$119Multiple Airlines
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Sun, Jan 25 - Wed, Jan 28
Multiple Airlines Logo
6:00 am - 1:42 amBOS-MIA
19h 42m1 stop
Multiple Airlines Logo
8:00 am - 11:25 amMIA-BOS
3h 25mnonstop
$120Multiple Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
Spirit Airlines Logo
8:11 pm - 11:47 pmBOS-MIA
3h 36mnonstop
Spirit Airlines Logo
7:00 am - 10:25 amMIA-BOS
3h 25mnonstop
$124Spirit Airlines
Find Deal
Thu, Feb 26 - Sun, Mar 1
Spirit Airlines Logo
6:16 am - 11:22 amBOS-MIA
29h 06m2 stops
Spirit Airlines Logo
12:28 pm - 8:49 pmMIA-BOS
8h 21m1 stop
$126Spirit Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 20
Frontier Logo
11:28 am - 12:46 amBOS-MIA
13h 18m1 stop
Frontier Logo
6:53 pm - 10:22 amMIA-BOS
15h 29m1 stop
$129Frontier
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Thu, Dec 11 - Sat, Dec 13
Frontier Logo
11:23 am - 12:46 amBOS-MIA
13h 23m1 stop
Frontier Logo
5:30 am - 1:24 amMIA-BOS
19h 54m1 stop
$133Frontier
Find Deal
Mon, Dec 8 - Tue, Dec 23
Delta Logo
7:59 pm - 11:37 pmBOS-MIA
3h 38mnonstop
Delta Logo
7:59 pm - 11:25 pmMIA-BOS
3h 26mnonstop
$137Delta
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Fri, Dec 5 - Thu, Dec 18
Delta Logo
10:15 am - 5:25 pmBOS-MIA
7h 10m1 stop
Delta Logo
11:45 am - 3:10 pmMIA-BOS
3h 25mnonstop
$147Delta
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Wed, Dec 3 - Fri, Dec 5
American Airlines Logo
2:23 pm - 8:10 amORH-MIA
17h 47m1 stop
American Airlines Logo
10:40 pm - 1:53 pmMIA-ORH
15h 13m2 stops
$164American Airlines
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Sat, Feb 7 - Sun, Feb 8
American Airlines Logo
5:20 pm - 10:56 pmMHT-MIA
5h 36m1 stop
American Airlines Logo
6:57 pm - 11:57 pmMIA-MHT
5h 00m1 stop
$181American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9

Spirit Airlines flights from New Hampshire to Florida Keys

Our best Spirit Airlines deals on New Hampshire to Florida Keys flight tickets
Spirit Airlines
Feb 26
BOS8:11 pmBoston Logan Intl
3h 36m
MIA11:47 pmMiami
Mar 1
MIA7:00 amMiami
3h 25m
BOS10:25 amBoston Logan Intl
$124
Find similar
Spirit Airlines
Nov 18
BOS6:16 amBoston Logan Intl
29h 06m
2 stops
MIA11:22 amMiami
Nov 20
MIA12:28 pmMiami
8h 21m
1 stop
BOS8:49 pmBoston Logan Intl
$126
Find similar
Spirit Airlines
Jan 31
BOS5:23 pmBoston Logan Intl
3h 42m
MIA9:05 pmMiami
Feb 8
MIA1:04 pmMiami
3h 24m
BOS4:28 pmBoston Logan Intl
$131
Find similar

Frontier flights from New Hampshire to Florida Keys

Our best Frontier deals on New Hampshire to Florida Keys flight tickets
Frontier
Dec 11
BOS11:28 amBoston Logan Intl
13h 18m
1 stop
MIA12:46 amMiami
Dec 13
MIA6:53 pmMiami
15h 29m
1 stop
BOS10:22 amBoston Logan Intl
$129
Find similar
Frontier
Dec 8
BOS11:23 amBoston Logan Intl
13h 23m
1 stop
MIA12:46 amMiami
Dec 23
MIA5:30 amMiami
19h 54m
1 stop
BOS1:24 amBoston Logan Intl
$133
Find similar
Frontier
Feb 22
BOS6:00 amBoston Logan Intl
12h 00m
1 stop
MIA6:00 pmMiami
Feb 26
MIA12:28 pmMiami
12h 36m
1 stop
BOS1:04 amBoston Logan Intl
$134
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momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from New Hampshire to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sun 1/25

12:20 pm-3:52 pm

Nonstop3h 32m

Miami

Wed 1/28

3:42 pm-12:05 am

1 stop8h 23m

$119

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sun 1/18

6:00 am-1:42 am

1 stop19h 42m

Miami

Sun 1/25

8:00 am-11:25 am

Nonstop3h 25m

$120

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 2/26

8:11 pm-11:47 pm

Nonstop3h 36m

Miami

Sun 3/1

7:00 am-10:25 am

Nonstop3h 25m

$124

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 11/18

6:16 am-11:22 am

2 stops29h 06m

Miami

Thu 11/20

12:28 pm-8:49 pm

1 stop8h 21m

$126

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 12/11

11:28 am-12:46 am

1 stop13h 18m

Miami

Sat 12/13

6:53 pm-10:22 am

1 stop15h 29m

$129

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 12/8

11:23 am-12:46 am

1 stop13h 23m

Miami

Tue 12/23

5:30 am-1:24 am

1 stop19h 54m

$133

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 12/5

7:59 pm-11:37 pm

Nonstop3h 38m

Miami

Thu 12/18

7:59 pm-11:25 pm

Nonstop3h 26m

$137

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 12/3

10:15 am-5:25 pm

1 stop7h 10m

Miami

Fri 12/5

11:45 am-3:10 pm

Nonstop3h 25m

$147

WorcesterMiami

ORH - MIA

ORHMIA

Worcester

Sat 2/7

2:23 pm-8:10 am

1 stop17h 47m

Miami

Sun 2/8

10:40 pm-1:53 pm

2 stops15h 13m

$164

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 12/2

5:20 pm-10:56 pm

1 stop5h 36m

Miami

Tue 12/9

6:57 pm-11:57 pm

1 stop5h 00m

$181

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

How to get the cheapest flight ticket from New Hampshire 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

What is the cheapest month to fly to Florida Keys?

The month of January is another great option to travel to Florida Keys, with average flight prices from New Hampshire averaging around $197.

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

The cheapest day to depart from New Hampshire to Florida Keys is on a Tuesday when prices can be found for as low as $321. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $454.

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 evening. momondo users have found flights departing from New Hampshire to Florida Keys in the evening for as low as $375. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $421.

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

You are more likely to see cheaper flights to Florida Keys from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $238 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from New Hampshire for as low as $177 on momondo.

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

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

Cheap New Hampshire to Florida Keys flight deals and tips

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

Fastest flight time

3h 32m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from New Hampshire to Florida Keys takes 3h 32m
Direct flights go from New Hampshire to Florida Keys every day.
There is 1 airport near Florida Keys: Miami (MIA)
Search flight deals

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

    Prices for flights from New Hampshire to Florida Keys were last updated today.

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

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

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

    The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from New Hampshire to Florida Keys

Compare and see reviews for airlines that fly from New Hampshire to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $326Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find New Hampshire to Florida Keys flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Florida Keys that suits you.

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

momondo does allow users to show only those flights to Florida Keys from New Hampshire which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New Hampshire to Florida Keys.

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

If you are simply researching potential flights to Florida Keys, momondo offers a useful price alert feature which will track prices for flights to Florida Keys from New Hampshire and alert you when they change.

An easier way to manage your Florida Keys 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.
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