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New Hampshire

$63+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$91
(Cheapflightsfares)

One-way from

$63
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$349
Provider with most accurate pricing for Key West-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Key West-Boston Logan Intl flights.
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From Florida Keys to New Hampshire
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One-way flight from Florida Keys to New Hampshire
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Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 5/292:21 pmMIA - BOS
Nonstop3h 25mSpirit Airlines
Thu 6/59:46 amBOS - MIA
Nonstop3h 30mSpirit Airlines
Deal found 4/30$91
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 7/118:20 pmMIA - BOS
Nonstop3h 34mDelta
Tue 7/227:00 amBOS - MIA
Nonstop3h 30mDelta
Deal found 4/30$159
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/58:00 pmMIA - BOS
Nonstop3h 25mAmerican Airlines
Tue 6/106:13 pmBOS - MIA
Nonstop3h 31mAmerican Airlines
Deal found 4/30$160
This JetBlue deal was found by Cheapflights users on 4/30. 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.
Thu 5/2211:11 amMIA - BOS
Nonstop3h 28mJetBlue
Wed 5/286:40 amBOS - MIA
Nonstop3h 36mJetBlue
Deal found 4/30$167
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/65:25 pmMIA - MHT
1 stop6h 34mAmerican Airlines
Sun 6/86:00 amMHT - MIA
1 stop8h 20mAmerican Airlines
Deal found 4/30$197
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 7/33:55 pmMIA - PWM
1 stop8h 31mDelta
Tue 7/86:53 pmPWM - MIA
1 stop6h 02mDelta
Deal found 4/30$217
This Trip.com deal was found by Cheapflights users on 4/30. 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 7/32:45 pmEYW - BOS
1 stop9h 58mMultiple Airlines
Mon 7/76:00 amBOS - EYW
1 stop8h 00mMultiple Airlines
Deal found 4/30$221
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:22 pmMIA - PWM
1 stop6h 05mUnited Airlines
Sun 5/185:30 amPWM - MIA
2 stops9h 26mUnited Airlines
Deal found 4/30$222
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 5/166:10 pmMIA - BOS
1 stop5h 05mSouthwest
Wed 5/218:55 amBOS - MIA
1 stop7h 20mSouthwest
Deal found 4/30$232
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/224:06 pmEYW - BOS
1 stop16h 04mAllegiant Air
Wed 5/2811:00 amBOS - EYW
1 stop28h 16mAllegiant Air
Deal found 4/29$237
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2912:28 pmMIA - BOS
1 stop21h 07mMultiple Airlines
Sun 6/111:31 amBOS - MIA
3 stops32h 27mMultiple Airlines
Deal found 4/30$239
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/237:21 pmEYW - BOS
1 stop5h 14mAmerican Airlines
Tue 10/77:41 amBOS - EYW
1 stop5h 19mAmerican Airlines
Deal found 4/30$247

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 May 1, 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 5/29

2:21 pm-5:46 pm

Nonstop3h 25m

Boston Logan Intl

Thu 6/5

9:46 am-1:16 pm

Nonstop3h 30m

$91

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 7/11

8:20 pm-11:54 pm

Nonstop3h 34m

Boston Logan Intl

Tue 7/22

7:00 am-10:30 am

Nonstop3h 30m

$159

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 6/5

8:00 pm-11:25 pm

Nonstop3h 25m

Boston Logan Intl

Tue 6/10

6:13 pm-9:44 pm

Nonstop3h 31m

$160

MiamiBoston

MIA - BOS

MIABOS

Miami

Thu 5/22

11:11 am-2:39 pm

Nonstop3h 28m

Boston Logan Intl

Wed 5/28

6:40 am-10:16 am

Nonstop3h 36m

$167

MiamiManchester

MIA - MHT

MIAMHT

Miami

Fri 6/6

5:25 pm-11:59 pm

1 stop6h 34m

Manchester

Sun 6/8

6:00 am-2:20 pm

1 stop8h 20m

$197

MiamiPortland

MIA - PWM

MIAPWM

Miami

Thu 7/3

3:55 pm-12:26 am

1 stop8h 31m

Portland

Tue 7/8

6:53 pm-12:55 am

1 stop6h 02m

$217

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 7/3

2:45 pm-12:43 am

1 stop9h 58m

Boston Logan Intl

Mon 7/7

6:00 am-2:00 pm

1 stop8h 00m

$221

MiamiPortland

MIA - PWM

MIAPWM

Miami

Fri 5/16

5:22 pm-11:27 pm

1 stop6h 05m

Portland

Sun 5/18

5:30 am-2:56 pm

2 stops9h 26m

$222

MiamiBoston

MIA - BOS

MIABOS

Miami

Fri 5/16

6:10 pm-11:15 pm

1 stop5h 05m

Boston Logan Intl

Wed 5/21

8:55 am-4:15 pm

1 stop7h 20m

$232

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 5/22

4:06 pm-8:10 am

1 stop16h 04m

Boston Logan Intl

Wed 5/28

11:00 am-3:16 pm

1 stop28h 16m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 57 results
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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 May 1, 2025.
To help decide which airline to fly from Florida Keys to New Hampshire, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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.
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,922 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Spirit Airlines ($63), Delta ($90), and United Airlines ($100).

  • 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 June is currently the most expensive (average of $421). 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

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Alternative routes for Florida Keys to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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