HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Hampshire

$79+ Cheap flights from Florida Keys to New Hampshire

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florida Keys to New Hampshire with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Florida Keys to New Hampshire

Keep the following information in mind while searching for Florida Keys to New Hampshire flight deals. Data was last updated June 12, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$79
(Southwest)

Popular in

December

Cheapest in

September

Average price

$373
From Florida Keys to New Hampshire
Search Deals
One-way flight from Florida Keys to New Hampshire
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Florida Keys to New Hampshire

Cheapest flights from Florida Keys to New Hampshire
Explore the most affordable flight options available from Florida Keys to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 9/47:00 amMIA - BOS
Nonstop3h 30mSpirit Airlines
Sun 9/74:15 pmBOS - MIA
Nonstop3h 30mSpirit Airlines
Deal found 6/10$106
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/28:02 pmMIA - BOS
Nonstop3h 25mAmerican Airlines
Tue 10/219:19 amBOS - MIA
Nonstop3h 41mAmerican Airlines
Deal found 6/11$117
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:22 pmMIA - BOS
Nonstop3h 23mJetBlue
Mon 9/2210:03 amBOS - MIA
Nonstop3h 23mJetBlue
Deal found 6/10$122
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:27 pmMIA - BOS
Nonstop3h 32mDelta
Tue 7/87:00 amBOS - MIA
Nonstop3h 30mDelta
Deal found 6/12$137
This Southwest deal was found by Cheapflights users on 6/10. 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 9/311:45 amMIA - BOS
1 stop5h 20mSouthwest
Wed 9/1010:50 amBOS - MIA
1 stop5h 45mSouthwest
Deal found 6/10$151
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sun 10/57:00 amMIA - BOS
Nonstop3h 30mMultiple Airlines
Sun 10/1211:25 amBOS - MIA
Nonstop3h 36mMultiple Airlines
Deal found 6/11$161
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:47 pmMIA - BOS
1 stop23h 07mFrontier
Sun 10/1211:25 amBOS - MIA
Nonstop3h 36mFrontier
Deal found 6/12$176
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 9/194:35 pmMIA - PWM
1 stop6h 30mAmerican Airlines
Mon 9/227:05 amPWM - MIA
1 stop7h 35mAmerican Airlines
Deal found 6/12$217
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/166:28 amMIA - MHT
1 stop5h 10mAmerican Airlines
Tue 9/236:00 amMHT - MIA
1 stop5h 19mAmerican Airlines
Deal found 6/11$237
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 pmEYW - BOS
1 stop7h 00mDelta
Tue 10/77:00 amBOS - EYW
1 stop6h 08mDelta
Deal found 6/10$237
This Southwest deal was found by Cheapflights users on 6/11. 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 8/266:55 amMIA - MHT
2 stops9h 50mSouthwest
Wed 9/39:15 amMHT - MIA
1 stop7h 20mSouthwest
Deal found 6/11$242
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/2312:00 pmEYW - BOS
2 stops9h 46mAmerican Airlines
Tue 10/71:14 pmBOS - EYW
1 stop5h 53mAmerican Airlines
Deal found 6/11$242

Cheapflights Fare Finder

Customize your flight search to find flights from Florida Keys to New Hampshire 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 June 12, 2025.
Use the filters below to find and compare flights from Florida Keys to New Hampshire that are best for you.

Fly from

Florida Keys

Fly to

New Hampshire

Route

Depart

Return

Price

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 9/4

7:00 am-10:30 am

Nonstop3h 30m

Boston Logan Intl

Sun 9/7

4:15 pm-7:45 pm

Nonstop3h 30m

$106

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 8/2

8:02 pm-11:27 pm

Nonstop3h 25m

Boston Logan Intl

Tue 10/21

9:19 am-1:00 pm

Nonstop3h 41m

$117

MiamiBoston

MIA - BOS

MIABOS

Miami

Tue 7/1

6:00 am-9:20 am

Nonstop3h 20m

Boston Logan Intl

Sat 7/5

8:32 pm-11:59 pm

Nonstop3h 27m

$137

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 9/4

8:25 pm-11:59 pm

Nonstop3h 34m

Boston Logan Intl

Sat 9/6

3:50 pm-7:30 pm

Nonstop3h 40m

$142

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 9/3

11:45 am-5:05 pm

1 stop5h 20m

Boston Logan Intl

Wed 9/10

10:50 am-4:35 pm

1 stop5h 45m

$151

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 6/21

9:42 pm-8:06 am

1 stop10h 24m

Boston Logan Intl

Thu 6/26

9:44 am-1:28 pm

Nonstop3h 44m

$200

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 8/2

9:42 pm-7:59 am

1 stop10h 17m

Boston Logan Intl

Sun 10/19

11:25 am-3:01 pm

Nonstop3h 36m

$216

MiamiPortland

MIA - PWM

MIAPWM

Miami

Thu 7/10

4:45 pm-11:19 pm

1 stop6h 34m

Portland

Thu 7/17

6:01 pm-12:37 am

1 stop6h 36m

$217

MiamiPortland

MIA - PWM

MIAPWM

Miami

Wed 7/23

5:10 pm-11:25 pm

1 stop6h 15m

Portland

Tue 7/29

5:30 am-3:40 pm

2 stops10h 10m

$222

Key WestBoston

EYW - BOS

EYWBOS

Key West

Tue 9/23

6:00 pm-1:00 am

1 stop7h 00m

Boston Logan Intl

Tue 10/7

7:00 am-1:08 pm

1 stop6h 08m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 58 results
1
2
3
...
6

Best time to book a flight from Florida Keys to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Florida Keys 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 Florida Keys to New Hampshire
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated June 12, 2025.
To help decide which airline to fly from Florida Keys to New Hampshire, see what other customers have to say about Breeze Airways, Alaska Airlines and Southwest. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Alaska Airlines
8.0
Very good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,950 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Boarding

8.3

Food

6.7

Entertainment

6.6

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Florida Keys to New Hampshire are Southwest ($79), Spirit Airlines ($80), and JetBlue ($86).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to New Hampshire 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 Florida Keys to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Florida Keys to New Hampshire (average of $334). Flying from Florida Keys to New Hampshire in July is currently the most expensive (average of $399). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Florida Keys to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
Fort Lauderdale to Newark flights
Miami to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Miami to LaGuardia flights
Orlando to LaGuardia flights
Orlando to John F Kennedy Intl flights
Miami to Newark flights
Orlando to Newark flights
Fort Lauderdale to John F Kennedy Intl flights
Orlando to Seattle flights
Tampa to Newark flights
Orlando to Las Vegas flights
Fort Lauderdale to O'Hare Intl flights
Tampa to John F Kennedy Intl flights
Orlando to Los Angeles flights
Miami to Los Angeles flights
West Palm Beach to John F Kennedy Intl flights
Tampa to Seattle flights
Tampa to LaGuardia flights
Fort Lauderdale to Las Vegas flights
Orlando to Dallas/Fort Worth flights
Orlando to Denver flights
Fort Lauderdale to Los Angeles flights
Tampa to Las Vegas flights
Orlando to O'Hare Intl flights
Tampa to Denver flights
Fort Lauderdale to Boston flights
Fort Lauderdale to Philadelphia flights
Tampa to O'Hare Intl flights
Orlando to Philadelphia flights
Orlando to Boston flights
Miami to O'Hare Intl flights
Miami to Denver flights
Miami to Boston flights
West Palm Beach to LaGuardia flights
Fort Lauderdale to Atlanta flights
Tampa to Boston flights
Fort Lauderdale to Dallas/Fort Worth flights
Orlando to Reagan-National flights
Orlando to San Francisco flights
Miami to Seattle flights
Tampa to Baltimore flights
Miami to Dallas/Fort Worth flights
Fort Lauderdale to Seattle flights
Jacksonville to John F Kennedy Intl flights
Jacksonville to LaGuardia flights
Miami to Atlanta flights
Miami to Las Vegas flights
Tampa to Dulles Intl flights
West Palm Beach to Newark flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights