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New Hampshire

$146+ Cheap flights from Key West (EYW) 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from Key West to New Hampshire

Cheapest flights from Key West to New Hampshire
Explore the most affordable flight options available from Key West to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 4/212:25 pm
EYW
-
BOS
1 stop11h 34m
Spirit Airlines
Wed 4/85:45 am
BOS
-
EYW
1 stop5h 45m
Spirit Airlines
Deal found 3/10$238
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 3/241:01 pm
EYW
-
BOS
2 stops22h 12m
Multiple Airlines
Sat 3/287:14 pm
BOS
-
EYW
1 stop13h 52m
Multiple Airlines
Deal found 3/9$241
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 4/1012:30 pm
EYW
-
BOS
Nonstop3h 34m
JetBlue
Tue 4/148:00 am
BOS
-
EYW
Nonstop3h 38m
JetBlue
Deal found 3/9$242
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:46 am
EYW
-
BOS
1 stop11h 47m
Multiple Airlines
Wed 6/38:44 am
BOS
-
EYW
2 stops26h 41m
Multiple Airlines
Deal found 3/10$265
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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.
Wed 3/2512:25 pm
EYW
-
BOS
1 stop11h 34m
Spirit Airlines
Wed 4/15:45 am
BOS
-
EYW
1 stop5h 45m
Spirit Airlines
Deal found 3/10$278
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:49 am
EYW
-
BOS
2 stops25h 52m
Multiple Airlines
Thu 4/210:36 am
BOS
-
EYW
1 stop23h 30m
Multiple Airlines
Deal found 3/10$282
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:46 am
EYW
-
BOS
1 stop7h 08m
Multiple Airlines
Tue 3/314:23 pm
BOS
-
EYW
1 stop18h 48m
Multiple Airlines
Deal found 3/11$285
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 3/272:35 pm
EYW
-
BOS
1 stop9h 24m
Spirit Airlines
Fri 4/245:55 am
BOS
-
EYW
1 stop7h 40m
Spirit Airlines
Deal found 3/9$293
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:46 am
EYW
-
PWM
1 stop23h 21m
Breeze Airways
Mon 3/305:06 pm
PWM
-
EYW
2 stops19h 15m
Breeze Airways
Deal found 3/11$311
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/265:04 pm
EYW
-
PWM
1 stop5h 55m
American Airlines
Mon 3/306:00 am
PWM
-
EYW
1 stop6h 00m
American Airlines
Deal found 3/11$337
This American Airlines deal was found by Cheapflights users on 3/9. 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 8/291:22 pm
EYW
-
MHT
1 stop5h 43m
American Airlines
Thu 9/37:38 am
MHT
-
EYW
1 stop6h 04m
American Airlines
Deal found 3/9$410
This American Airlines deal was found by Cheapflights users on 3/9. 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 7/245:35 pm
EYW
-
MHT
1 stop5h 57m
American Airlines
Tue 8/185:40 am
MHT
-
EYW
1 stop8h 25m
American Airlines
Deal found 3/9$417

Find flight deals from Key West to New Hampshire

Keep the following information in mind while searching for Key West to New Hampshire flight deals. Data was last updated March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Cheapflightsfares)

One-way from

$146
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$387
Provider with most accurate pricing for Key West-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Boston Logan Intl flights.
Search Deals
From Key West to New Hampshire
Search Deals
One-way flight from Key West to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West 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 March 14, 2026.
Use the filters below to find and compare flights from Key West to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestPortland

EYW - PWM

EYWPWM

Key West

Thu 3/26

9:46 am-9:07 am

1 stop23h 21m

Portland

Mon 3/30

5:06 pm-12:21 pm

2 stops19h 15m

$311

Key WestPortland

EYW - PWM

EYWPWM

Key West

Thu 3/26

5:04 pm-10:59 pm

1 stop5h 55m

Portland

Mon 3/30

6:00 am-12:00 pm

1 stop6h 00m

$337

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 7/30

3:50 pm-12:59 am

1 stop9h 09m

Boston Logan Intl

Mon 8/3

8:00 am-1:30 pm

1 stop5h 30m

$357

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 4/9

3:52 pm-12:59 am

1 stop9h 07m

Boston Logan Intl

Mon 4/13

6:00 am-2:51 pm

1 stop8h 51m

$367

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 3/26

2:24 pm-11:57 pm

2 stops9h 33m

Boston Logan Intl

Tue 3/31

5:45 am-5:39 pm

2 stops11h 54m

$371

Key WestManchester

EYW - MHT

EYWMHT

Key West

Sat 8/29

1:22 pm-7:05 pm

1 stop5h 43m

Manchester

Thu 9/3

7:38 am-1:42 pm

1 stop6h 04m

$410

Key WestManchester

EYW - MHT

EYWMHT

Key West

Fri 7/24

5:35 pm-11:32 pm

1 stop5h 57m

Manchester

Tue 8/18

5:40 am-2:05 pm

1 stop8h 25m

$417
Quickest round-trip

Key WestBoston

EYW - BOS

EYWBOS

Key West

Thu 4/9

12:30 pm-4:04 pm

Nonstop3h 34m

Boston Logan Intl

Mon 4/13

8:00 am-11:38 am

Nonstop3h 38m

$452

Key WestPortland

EYW - PWM

EYWPWM

Key West

Thu 4/2

4:40 pm-10:50 pm

1 stop6h 10m

Portland

Mon 4/6

7:00 am-1:45 pm

1 stop6h 45m

$539

Key WestPortland

EYW - PWM

EYWPWM

Key West

Thu 4/2

4:38 pm-10:22 am

2 stops17h 44m

Portland

Sun 4/5

10:00 am-4:42 pm

1 stop6h 42m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Key West to New Hampshire

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

Related info for your journey

Find useful and relevant information for your journey from Key West 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 airport do you fly from for flights from Key West to New Hampshire?

    For a flight from Key West to New Hampshire, you will be flying from Key West. Key West (EYW) is just 2.6 mi from the center of the city.

  • How long is the flight from Key West to New Hampshire?

    A quick flight from Key West to New Hampshire can take about 5h 55m. Breeze Airways provides one of the quickest options available for as low as $337. Key West and New Hampshire are separated by a distance of 1468 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Key West to New Hampshire?

    When deciding which route to take from Key West to New Hampshire consider Key West - Boston Logan Intl, Key West - Portland or Key West - Manchester as they are the most popular.

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

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

  • How can I find direct flights from Key West to New Hampshire?

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

  • Can I find deals for business class flights from Key West to New Hampshire?

    Yes. Cheapflights offers flight deals from Key West 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.

See more FAQs

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