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Cheap flights from New Hampshire to Florida Keys from $59

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 10/16. 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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Find the cheapest flights from New Hampshire to Florida Keys

Cheap round-trip flights

Spirit Airlines Logo
2:18 pm - 5:50 pmBOS-MIA
3h 32mnonstop
Spirit Airlines Logo
9:56 am - 1:23 pmMIA-BOS
3h 27mnonstop
$103Spirit Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 21
Logo
11:44 am - 3:20 pmBOS-MIA
3h 36mnonstop
Logo
12:40 pm - 3:56 pmMIA-BOS
3h 16mnonstop
$105
Find Deal
Thu, Oct 23 - Mon, Oct 27
Frontier Logo
11:44 am - 3:20 pmBOS-MIA
3h 36mnonstop
Frontier Logo
7:24 am - 10:49 amMIA-BOS
3h 25mnonstop
$107Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
Frontier Logo
9:38 am - 8:06 pmBOS-MIA
10h 28m1 stop
Frontier Logo
7:24 am - 10:49 amMIA-BOS
3h 25mnonstop
$111Frontier
Find Deal
Sun, Oct 5 - Sun, Oct 12
Delta Logo
3:24 pm - 6:59 pmBOS-MIA
3h 35mnonstop
Delta Logo
11:38 am - 2:59 pmMIA-BOS
3h 21mnonstop
$137Delta
Find Deal
Sat, Sep 13 - Wed, Sep 24
American Airlines Logo
7:36 am - 11:13 amBOS-MIA
3h 37mnonstop
American Airlines Logo
5:40 pm - 8:53 pmMIA-BOS
3h 13mnonstop
$147American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
American Airlines Logo
7:00 am - 10:45 amBOS-MIA
3h 45mnonstop
American Airlines Logo
12:58 pm - 4:12 pmMIA-BOS
3h 14mnonstop
$148American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Southwest Logo
5:05 pm - 10:35 pmMHT-MIA
5h 30m1 stop
Southwest Logo
7:05 pm - 12:20 amMIA-MHT
5h 15m1 stop
$227Southwest
Find Deal
Thu, Oct 2 - Mon, Oct 6
Delta Logo
3:18 pm - 10:25 pmORH-MIA
7h 07m1 stop
Delta Logo
7:00 am - 1:58 pmMIA-ORH
6h 58m1 stop
$232Delta
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Tue, Oct 14 - Fri, Oct 17
Southwest Logo
3:35 pm - 8:45 pmMHT-MIA
5h 10m1 stop
Southwest Logo
6:25 am - 12:05 pmMIA-MHT
5h 40m1 stop
$237Southwest
Find Deal
Tue, Nov 4 - Sat, Nov 15

Spirit Airlines flights from New Hampshire to Florida Keys

Our best Spirit Airlines deals on New Hampshire to Florida Keys flight tickets
Spirit Airlines
Sep 20
BOS2:18 pmBoston Logan Intl
3h 32m
MIA5:50 pmMiami
Sep 21
MIA9:56 amMiami
3h 27m
BOS1:23 pmBoston Logan Intl
$103
Find similar
Spirit Airlines
Sep 6
BOS2:18 pmBoston Logan Intl
3h 32m
MIA5:50 pmMiami
Sep 13
MIA9:56 amMiami
3h 27m
BOS1:23 pmBoston Logan Intl
$106
Find similar
Spirit Airlines
Sep 20
BOS2:18 pmBoston Logan Intl
3h 32m
MIA5:50 pmMiami
Sep 27
MIA5:10 pmMiami
5h 37m
1 stop
BOS10:47 pmBoston Logan Intl
$109
Find similar

Frontier flights from New Hampshire to Florida Keys

Our best Frontier deals on New Hampshire to Florida Keys flight tickets
Frontier
Oct 16
BOS11:44 amBoston Logan Intl
3h 36m
MIA3:20 pmMiami
Oct 23
MIA7:24 amMiami
3h 25m
BOS10:49 amBoston Logan Intl
$107
Find similar
Frontier
Oct 5
BOS9:38 amBoston Logan Intl
10h 28m
1 stop
MIA8:06 pmMiami
Oct 12
MIA7:24 amMiami
3h 25m
BOS10:49 amBoston Logan Intl
$111
Find similar
Frontier
Oct 16
BOS11:44 amBoston Logan Intl
3h 36m
MIA3:20 pmMiami
Oct 18
MIA7:32 pmMiami
12h 04m
1 stop
BOS7:36 amBoston Logan Intl
$119
Find similar

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 September 1, 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

Sat 9/20

2:18 pm-5:50 pm

Nonstop3h 32m

Miami

Sun 9/21

9:56 am-1:23 pm

Nonstop3h 27m

$103

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/23

11:44 am-3:20 pm

Nonstop3h 36m

Miami

Mon 10/27

12:40 pm-3:56 pm

Nonstop3h 16m

$105

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/16

11:44 am-3:20 pm

Nonstop3h 36m

Miami

Thu 10/23

7:24 am-10:49 am

Nonstop3h 25m

$107

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sun 10/5

9:38 am-8:06 pm

1 stop10h 28m

Miami

Sun 10/12

7:24 am-10:49 am

Nonstop3h 25m

$111

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 9/13

3:24 pm-6:59 pm

Nonstop3h 35m

Miami

Wed 9/24

11:38 am-2:59 pm

Nonstop3h 21m

$137

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 10/1

7:36 am-11:13 am

Nonstop3h 37m

Miami

Wed 10/8

5:40 pm-8:53 pm

Nonstop3h 13m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 10/15

7:00 am-10:45 am

Nonstop3h 45m

Miami

Wed 10/22

12:58 pm-4:12 pm

Nonstop3h 14m

$148

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Thu 10/2

5:05 pm-10:35 pm

1 stop5h 30m

Miami

Mon 10/6

7:05 pm-12:20 am

1 stop5h 15m

$227

WorcesterMiami

ORH - MIA

ORHMIA

Worcester

Tue 10/14

3:18 pm-10:25 pm

1 stop7h 07m

Miami

Fri 10/17

7:00 am-1:58 pm

1 stop6h 58m

$232

ManchesterMiami

MHT - MIA

MHTMIA

Manchester

Tue 11/4

3:35 pm-8:45 pm

1 stop5h 10m

Miami

Sat 11/15

6:25 am-12:05 pm

1 stop5h 40m

$237

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 $233 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 $176 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 31m

Direct flights

Every day

Airports in Florida Keys

1 airport
The fastest flight from New Hampshire to Florida Keys takes 3h 31m
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
United AirlinesPriceFrom $282Free CancellationRating
7.4
8,936 reviews
Search United Airlines flights
American AirlinesPriceFrom $321Free CancellationRating
7.2
10,000 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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Sat 9/6
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