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$44+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$55
(Kiwi.com)

One-way from

$44
(FlightHub)

Popular in

April

Cheapest in

September

Average price

$421
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. 8% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/117:05 amMIA - BOS
Nonstop3h 28mFrontier
mar. 3/1811:33 amBOS - MIA
Nonstop3h 42mFrontier
Deal found 2/18$55
This eDestinos deal was found by Cheapflights users on 2/18. 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.
mar. 3/185:30 amMIA - BOS
Nonstop3h 22mSpirit Airlines
mar. 3/258:20 amBOS - MIA
Nonstop3h 41mSpirit Airlines
Deal found 2/18$57
This FlightHub deal was found by Cheapflights users on 2/19. 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.
jue. 3/62:23 pmMIA - BOS
1 stop6h 53mMultiple Airlines
dom. 3/911:29 amBOS - MIA
Nonstop3h 42mMultiple Airlines
Deal found 2/19$76
This Delta deal was found by Cheapflights users on 2/20. 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.
jue. 2/2711:50 amMIA - BOS
Nonstop3h 25mDelta
mié. 3/57:05 amBOS - MIA
Nonstop3h 50mDelta
Deal found 2/20$145
This JetBlue deal was found by Cheapflights users on 2/20. 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.
mar. 3/46:00 amMIA - BOS
Nonstop3h 10mJetBlue
mar. 3/46:59 pmBOS - MIA
Nonstop3h 35mJetBlue
Deal found 2/20$157
This Southwest deal was found by Cheapflights users on 2/20. 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.
lun. 3/176:30 amMIA - BOS
1 stop8h 45mSouthwest
lun. 3/175:40 pmBOS - MIA
1 stop5h 15mSouthwest
Deal found 2/20$162
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 2/267:00 amMIA - BOS
2 stops9h 33mUnited Airlines
lun. 3/312:05 pmBOS - MIA
1 stop5h 35mUnited Airlines
Deal found 2/19$190
This American Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 3/66:20 amMIA - MHT
1 stop5h 23mAmerican Airlines
dom. 3/92:58 pmMHT - MIA
1 stop6h 23mAmerican Airlines
Deal found 2/19$196
This JetBlue deal was found by Cheapflights users on 2/18. 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.
mar. 4/152:19 pmMIA - PWM
1 stop8h 41mJetBlue
mar. 4/225:35 pmPWM - MIA
1 stop6h 18mJetBlue
Deal found 2/18$216
This Mytrip deal was found by Cheapflights users on 2/19. 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.
jue. 3/62:23 pmMIA - MHT
2 stops20h 07mMultiple Airlines
dom. 3/93:08 pmMHT - MIA
1 stop23h 53mMultiple Airlines
Deal found 2/19$222
This American Airlines deal was found by Cheapflights users on 2/18. 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.
lun. 4/147:01 amMIA - PWM
1 stop5h 04mAmerican Airlines
jue. 4/247:20 amPWM - MIA
1 stop8h 53mAmerican Airlines
Deal found 2/18$250
This Delta deal was found by Cheapflights users on 2/20. 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.
jue. 3/68:22 amMIA - PWM
1 stop8h 22mDelta
jue. 3/136:15 amPWM - MIA
1 stop8h 22mDelta
Deal found 2/20$257

Find flights from Florida Keys to New Hampshire within your budget

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 febrero 20, 2025.

Fly from

Florida Keys

Fly to

New Hampshire

Route

Depart

Return

Price

MiamiBoston

MIA - BOS

MIABOS

Miami

mar. 3/11

7:05 am-10:33 am

Nonstop3h 28m

Boston Logan Intl

mar. 3/18

11:33 am-3:15 pm

Nonstop3h 42m

$55

MiamiBoston

MIA - BOS

MIABOS

Miami

mar. 3/18

5:30 am-8:52 am

Nonstop3h 22m

Boston Logan Intl

mar. 3/25

8:20 am-12:01 pm

Nonstop3h 41m

$57

MiamiBoston

MIA - BOS

MIABOS

Miami

jue. 3/6

2:23 pm-9:16 pm

1 stop6h 53m

Boston Logan Intl

dom. 3/9

11:29 am-3:11 pm

Nonstop3h 42m

$76

MiamiBoston

MIA - BOS

MIABOS

Miami

jue. 2/27

11:50 am-3:15 pm

Nonstop3h 25m

Boston Logan Intl

mié. 3/5

7:05 am-10:55 am

Nonstop3h 50m

$145

MiamiBoston

MIA - BOS

MIABOS

Miami

mar. 3/4

6:00 am-9:10 am

Nonstop3h 10m

Boston Logan Intl

mar. 3/4

6:59 pm-10:34 pm

Nonstop3h 35m

$157

MiamiBoston

MIA - BOS

MIABOS

Miami

lun. 3/17

6:30 am-3:15 pm

1 stop8h 45m

Boston Logan Intl

lun. 3/17

5:40 pm-10:55 pm

1 stop5h 15m

$162

MiamiBoston

MIA - BOS

MIABOS

Miami

mié. 2/26

7:00 am-4:33 pm

2 stops9h 33m

Boston Logan Intl

lun. 3/3

12:05 pm-5:40 pm

1 stop5h 35m

$190

MiamiManchester

MIA - MHT

MIAMHT

Miami

jue. 3/6

6:20 am-11:43 am

1 stop5h 23m

Manchester

dom. 3/9

2:58 pm-9:21 pm

1 stop6h 23m

$196

MiamiPortland

MIA - PWM

MIAPWM

Miami

mar. 4/15

2:19 pm-11:00 pm

1 stop8h 41m

Portland

mar. 4/22

5:35 pm-11:53 pm

1 stop6h 18m

$216

MiamiManchester

MIA - MHT

MIAMHT

Miami

jue. 3/6

2:23 pm-10:30 am

2 stops20h 07m

Manchester

dom. 3/9

3:08 pm-3:01 pm

1 stop23h 53m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 55 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.

Travel insights for flights from Florida Keys to New Hampshire

Get recent, data-driven insights about flights from Florida Keys to New Hampshire including ideal travel times, pricing trends, and more.
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 febrero 20, 2025.
To help decide which airline to fly from Florida Keys to New Hampshire, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 ($44), Frontier ($45), and Delta ($73).

  • 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 $453). 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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