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$56+ Cheap flights from New Hampshire to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — EYW
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from New Hampshire to Florida Keys

Keep the following information in mind while searching for New Hampshire to Florida Keys flight deals. Data was last updated September 16, 2025.

Round-trip from

$97
(Cheapflightsfares)

One-way from

$56
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$190
From New Hampshire to Florida Keys
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One-way flight from New Hampshire to Florida Keys
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Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Hampshire to Florida Keys

Cheapest flights from New Hampshire to Florida Keys
Explore the most affordable flight options available from New Hampshire to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:54 pmBOS - MIA
Nonstop3h 38mSpirit Airlines
Mon 10/2012:40 pmMIA - BOS
Nonstop3h 16mSpirit Airlines
Deal found 9/14$97
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:18 pmBOS - MIA
Nonstop3h 32mSpirit Airlines
Mon 10/612:40 pmMIA - BOS
Nonstop3h 16mSpirit Airlines
Deal found 9/14$99
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:54 pmBOS - MIA
Nonstop3h 38mSpirit Airlines
Mon 10/2012:40 pmMIA - BOS
Nonstop3h 16mSpirit Airlines
Deal found 9/15$102
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:18 pmBOS - MIA
Nonstop3h 32mSpirit Airlines
Sat 10/49:56 amMIA - BOS
Nonstop3h 27mSpirit Airlines
Deal found 9/15$106
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:18 pmBOS - MIA
Nonstop3h 32mMultiple Airlines
Fri 10/36:59 pmMIA - BOS
1 stop12h 44mMultiple Airlines
Deal found 9/15$108
This Orbitz deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:44 amBOS - MIA
Nonstop3h 36mMultiple Airlines
Mon 10/2012:40 pmMIA - BOS
Nonstop3h 16mMultiple Airlines
Deal found 9/14$110
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:18 pmBOS - MIA
Nonstop3h 32mSpirit Airlines
Fri 10/310:35 amMIA - BOS
1 stop7h 27mSpirit Airlines
Deal found 9/16$112
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/42:18 pmBOS - MIA
Nonstop3h 32mSpirit Airlines
Sat 10/114:58 pmMIA - BOS
1 stop5h 54mSpirit Airlines
Deal found 9/16$117
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:44 amBOS - MIA
Nonstop3h 36mFrontier
Thu 10/237:24 amMIA - BOS
Nonstop3h 25mFrontier
Deal found 9/15$118
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:45 amMHT - MIA
1 stop7h 25mSouthwest
Tue 11/111:05 pmMIA - MHT
1 stop8h 00mSouthwest
Deal found 9/15$187
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:15 pmMHT - MIA
1 stop5h 51mAmerican Airlines
Sat 11/18:25 amMIA - MHT
2 stops6h 35mAmerican Airlines
Deal found 9/16$192
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:55 pmMHT - MIA
2 stops8h 55mSouthwest
Tue 11/1812:40 pmMIA - MHT
2 stops9h 30mSouthwest
Deal found 9/14$197

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from New Hampshire to Florida Keys that are best for you.

Fly from

New Hampshire

Fly to

Florida Keys

Route

Depart

Return

Price

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/23

4:26 pm-8:00 pm

Nonstop3h 34m

Miami

Sat 10/25

12:15 pm-3:37 pm

Nonstop3h 22m

$137

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 11/14

7:55 pm-11:32 pm

Nonstop3h 37m

Miami

Wed 11/19

4:52 pm-1:22 am

1 stop8h 30m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/2

3:24 pm-6:59 pm

Nonstop3h 35m

Miami

Wed 10/8

12:05 pm-3:26 pm

Nonstop3h 21m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 10/3

7:10 am-10:43 am

Nonstop3h 33m

Miami

Mon 10/6

7:35 pm-11:00 pm

Nonstop3h 25m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/2

3:24 pm-6:59 pm

Nonstop3h 35m

Miami

Mon 10/6

7:35 pm-11:00 pm

Nonstop3h 25m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Fri 10/3

7:10 am-10:43 am

Nonstop3h 33m

Miami

Tue 10/7

7:35 pm-11:00 pm

Nonstop3h 25m

$147

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 10/2

3:45 pm-10:50 pm

1 stop7h 05m

Miami

Mon 10/6

7:05 pm-11:55 pm

1 stop4h 50m

$151

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 10/8

5:34 am-11:25 am

1 stop5h 51m

Miami

Wed 10/15

5:25 pm-11:49 pm

1 stop6h 24m

$157

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Mon 9/29

6:00 am-2:17 pm

1 stop8h 17m

Miami

Fri 10/3

4:56 pm-10:57 pm

1 stop6h 01m

$167

BostonMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Wed 11/5

7:35 am-11:10 am

Nonstop3h 35m

Miami

Sun 11/9

7:00 am-10:20 am

Nonstop3h 20m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from New Hampshire to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Florida Keys

What is the cheapest month to book a flight from New Hampshire to Florida Keys?

Currently, August is the cheapest month in which you can book a flight from New Hampshire to Florida Keys (average of $328). Flying from New Hampshire to Florida Keys in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Hampshire to Florida Keys?

    Departing from New Hampshire to Florida Keys will take you 3h 34m. The distance from New Hampshire to Florida Keys is about 1259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from New Hampshire to Florida Keys one-way?

    $74 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $94 and $94, respectively.

  • Can I find deals for flights from New Hampshire to Florida Keys that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Florida Keys.

  • Can I find deals for business class flights from New Hampshire to Florida Keys?

    Yes. Cheapflights offers flight deals from New Hampshire to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from New Hampshire to Florida Keys (average of $328). Flying from New Hampshire to Florida Keys in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Hampshire to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from New Hampshire to Florida Keys

Discover the top 2 airlines that operate flights from New Hampshire to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$398FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$500FlexibilityNo cancel feeOn-time71%

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