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New Hampshire

$53+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(eDestinos)

One-way from

$53
(eDestinos)

Popular in

April

Cheapest in

September

Average price

$580
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. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 4, 2025.

This eDestinos deal was found by Cheapflights users on 4/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:20 pmMIA - BOS
Nonstop3h 25mSpirit Airlines
Sun 5/410:50 amBOS - MIA
Nonstop3h 32mSpirit Airlines
Deal found 4/3$78
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:35 amMIA - BOS
Nonstop3h 37mFrontier
Tue 4/1511:45 amBOS - MIA
Nonstop3h 44mFrontier
Deal found 4/3$79
This Trip.com deal was found by Cheapflights users on 4/2. 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.
Sat 4/129:20 pmMIA - BOS
Nonstop3h 25mMultiple Airlines
Tue 4/1511:45 amBOS - MIA
Nonstop3h 44mMultiple Airlines
Deal found 4/2$83
This Delta deal was found by Cheapflights users on 4/3. 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 7/811:15 amMIA - BOS
Nonstop3h 38mDelta
Wed 7/233:45 pmBOS - MIA
Nonstop3h 44mDelta
Deal found 4/3$159
This JetBlue deal was found by Cheapflights users on 4/3. 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 5/1411:11 amMIA - BOS
Nonstop3h 28mJetBlue
Mon 5/197:42 pmBOS - MIA
Nonstop3h 31mJetBlue
Deal found 4/3$167
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/108:25 amMIA - BOS
Nonstop3h 20mAmerican Airlines
Tue 5/1310:45 amBOS - MIA
Nonstop3h 27mAmerican Airlines
Deal found 4/2$173
This Southwest deal was found by Cheapflights users on 4/3. 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 5/77:15 amMIA - BOS
1 stop5h 30mSouthwest
Sat 5/104:15 pmBOS - MIA
1 stop5h 45mSouthwest
Deal found 4/3$192
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/96:35 amMIA - MHT
1 stop7h 03mAmerican Airlines
Sun 5/115:05 pmMHT - MIA
1 stop7h 29mAmerican Airlines
Deal found 4/3$214
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/24:54 pmMIA - PWM
1 stop5h 55mAmerican Airlines
Fri 5/97:35 amPWM - MIA
1 stop8h 02mAmerican Airlines
Deal found 4/3$217
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Thu 5/85:47 pmMIA - PWM
1 stop5h 40mUnited Airlines
Mon 5/125:30 amPWM - MIA
2 stops10h 46mUnited Airlines
Deal found 4/3$222
This JetBlue deal was found by Cheapflights users on 4/3. 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.
Fri 6/62:01 pmMIA - PWM
1 stop7h 56mJetBlue
Mon 6/93:20 pmPWM - MIA
1 stop7h 12mJetBlue
Deal found 4/3$234
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 7/95:43 pmMIA - BOS
1 stop5h 27mUnited Airlines
Wed 7/165:30 amBOS - MIA
1 stop6h 19mUnited Airlines
Deal found 4/4$238

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 April 4, 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

Fri 5/2

9:20 pm-12:45 am

Nonstop3h 25m

Boston Logan Intl

Sun 5/4

10:50 am-2:22 pm

Nonstop3h 32m

$78

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 4/12

6:35 am-10:12 am

Nonstop3h 37m

Boston Logan Intl

Tue 4/15

11:45 am-3:29 pm

Nonstop3h 44m

$79

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 4/12

9:20 pm-12:45 am

Nonstop3h 25m

Boston Logan Intl

Tue 4/15

11:45 am-3:29 pm

Nonstop3h 44m

$83

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 5/14

7:35 pm-11:04 pm

Nonstop3h 29m

Boston Logan Intl

Wed 5/28

7:05 am-10:33 am

Nonstop3h 28m

$163

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 5/14

11:11 am-2:39 pm

Nonstop3h 28m

Boston Logan Intl

Mon 5/19

7:42 pm-11:13 pm

Nonstop3h 31m

$167

MiamiBoston

MIA - BOS

MIABOS

Miami

Sat 5/10

6:43 am-9:55 am

Nonstop3h 12m

Boston Logan Intl

Wed 5/14

10:45 am-2:12 pm

Nonstop3h 27m

$173

MiamiBoston

MIA - BOS

MIABOS

Miami

Wed 5/28

12:45 pm-7:10 pm

1 stop6h 25m

Boston Logan Intl

Mon 6/2

5:30 am-11:00 am

1 stop5h 30m

$183

MiamiManchester

MIA - MHT

MIAMHT

Miami

Fri 5/9

6:35 am-1:38 pm

1 stop7h 03m

Manchester

Sun 5/11

5:05 pm-12:34 am

1 stop7h 29m

$214

MiamiPortland

MIA - PWM

MIAPWM

Miami

Fri 5/2

4:54 pm-10:49 pm

1 stop5h 55m

Portland

Fri 5/9

7:35 am-3:37 pm

1 stop8h 02m

$217

MiamiPortland

MIA - PWM

MIAPWM

Miami

Thu 5/8

5:47 pm-11:27 pm

1 stop5h 40m

Portland

Mon 5/12

5:30 am-4:16 pm

2 stops10h 46m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 57 results
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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 April 4, 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
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,837 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,618 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,920 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($53), Frontier ($59), and Southwest ($90).

  • 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 $442). 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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