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$121+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — MHT
sep. 2 — sep. 91
mar. 9/2
mar. 9/9
1 adult, Economy
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Cheap 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 agosto 28, 2025.

Round-trip from

$247
(American Airlines)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$343
From Key West to New Hampshire
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One-way flight from Key West to New Hampshire
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Highest demand for flights based on searches. 17% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 agosto 28, 2025.

This United Airlines deal was found by Cheapflights users on 8/26. 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.
jue. 10/302:48 pmEYW - BOS
1 stop8h 00mUnited Airlines
lun. 11/36:00 amBOS - EYW
1 stop8h 04mUnited Airlines
Deal found 8/26$242
This American Airlines deal was found by Cheapflights users on 8/27. 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.
mar. 9/2312:24 pmEYW - BOS
1 stop7h 18mAmerican Airlines
mar. 10/78:29 amBOS - EYW
1 stop7h 38mAmerican Airlines
Deal found 8/27$247
This American Airlines deal was found by Cheapflights users on 8/27. 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. 10/301:25 pmEYW - BOS
2 stops8h 23mAmerican Airlines
lun. 11/37:00 amBOS - EYW
1 stop6h 59mAmerican Airlines
Deal found 8/27$252
This American Airlines deal was found by Cheapflights users on 8/27. 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. 9/111:59 pmEYW - BOS
2 stops8h 51mAmerican Airlines
lun. 9/159:38 amBOS - EYW
2 stops8h 08mAmerican Airlines
Deal found 8/27$257
This Delta deal was found by Cheapflights users on 8/27. 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.
mar. 9/236:10 pmEYW - PWM
1 stop6h 01mDelta
mar. 9/306:00 amPWM - EYW
2 stops11h 15mDelta
Deal found 8/27$274
This American Airlines deal was found by Cheapflights users on 8/27. 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.
sáb. 8/302:29 pmEYW - BOS
1 stop5h 59mAmerican Airlines
vie. 9/56:00 amBOS - EYW
1 stop8h 00mAmerican Airlines
Deal found 8/27$282
This American Airlines deal was found by Cheapflights users on 8/26. 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.
sáb. 8/301:58 pmEYW - BOS
2 stops9h 45mAmerican Airlines
sáb. 9/69:18 amBOS - EYW
2 stops9h 41mAmerican Airlines
Deal found 8/26$292
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
dom. 9/1412:29 pmEYW - BOS
1 stop19h 40mMultiple Airlines
dom. 9/2110:13 amBOS - EYW
1 stop28h 41mMultiple Airlines
Deal found 8/26$302
This American Airlines deal was found by Cheapflights users on 8/27. 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.
mar. 10/144:58 pmEYW - PWM
1 stop5h 50mAmerican Airlines
mar. 10/216:00 amPWM - EYW
2 stops10h 07mAmerican Airlines
Deal found 8/27$314
This United Airlines deal was found by Cheapflights users on 8/26. 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.
vie. 11/213:00 pmEYW - BOS
1 stop7h 47mUnited Airlines
jue. 1/15:20 amBOS - EYW
2 stops9h 54mUnited Airlines
Deal found 8/26$317
This American Airlines deal was found by Cheapflights users on 8/28. 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.
mar. 9/911:25 amEYW - PWM
2 stops11h 04mAmerican Airlines
sáb. 9/138:40 amPWM - EYW
2 stops10h 19mAmerican Airlines
Deal found 8/28$317
This Delta deal was found by Cheapflights users on 8/28. 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.
mar. 9/96:20 pmEYW - PWM
1 stop5h 43mDelta
sáb. 9/136:00 amPWM - EYW
1 stop7h 02mDelta
Deal found 8/28$373

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 agosto 28, 2025.
Use the filters below to find and compare flights from Key West to New Hampshire that are best for you.

Fly from

Key West

Fly to

New Hampshire

Route

Depart

Return

Price

Key WestBoston

EYW - BOS

EYWBOS

Key West

jue. 10/16

4:57 pm-11:00 pm

1 stop6h 03m

Boston Logan Intl

lun. 10/20

6:00 am-1:52 pm

1 stop7h 52m

$247

Key WestBoston

EYW - BOS

EYWBOS

Key West

jue. 10/30

3:20 pm-9:43 pm

1 stop6h 23m

Boston Logan Intl

lun. 11/3

6:30 am-12:43 pm

1 stop6h 13m

$247

Key WestBoston

EYW - BOS

EYWBOS

Key West

mar. 9/23

12:24 pm-7:42 pm

1 stop7h 18m

Boston Logan Intl

mar. 10/7

8:29 am-4:07 pm

1 stop7h 38m

$247

Key WestBoston

EYW - BOS

EYWBOS

Key West

lun. 9/8

7:31 pm-12:59 am

1 stop5h 28m

Boston Logan Intl

lun. 9/15

1:05 pm-6:59 pm

1 stop5h 54m

$247

Key WestBoston

EYW - BOS

EYWBOS

Key West

jue. 9/11

7:31 pm-12:59 am

1 stop5h 28m

Boston Logan Intl

lun. 9/15

7:28 am-2:00 pm

1 stop6h 32m

$247

Key WestPortland

EYW - PWM

EYWPWM

Key West

mar. 9/23

6:10 pm-12:11 am

1 stop6h 01m

Portland

mar. 9/30

6:00 am-5:15 pm

2 stops11h 15m

$274

Key WestPortland

EYW - PWM

EYWPWM

Key West

mar. 10/14

4:58 pm-10:48 pm

1 stop5h 50m

Portland

mar. 10/21

6:00 am-1:52 pm

1 stop7h 52m

$309

Key WestPortland

EYW - PWM

EYWPWM

Key West

mar. 9/9

11:25 am-10:29 pm

2 stops11h 04m

Portland

sáb. 9/13

8:40 am-6:59 pm

2 stops10h 19m

$317

Key WestPortland

EYW - PWM

EYWPWM

Key West

mar. 9/9

6:20 pm-12:03 am

1 stop5h 43m

Portland

sáb. 9/13

6:00 am-1:02 pm

1 stop7h 02m

$373

Key WestManchester

EYW - MHT

EYWMHT

Key West

sáb. 9/13

11:25 am-8:53 pm

2 stops9h 28m

Manchester

mar. 9/16

6:00 am-11:49 am

1 stop5h 49m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 24 results
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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 6h 01m. American Airlines provides one of the quickest options available for as low as $274. 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.

  • What is the cheapest month to book a flight from Key West to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Key West to New Hampshire (average of $334). Flying from Key West to New Hampshire in April is currently the most expensive (average of $396). 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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