What is the cheapest airline that flies from New Hampshire to Key West?

JetBlue, Spirit Airlines, and United Airlines are the most popular carriers operating from New Hampshire to Key West

When did momondo last update prices for flights from New Hampshire to Key West Airport?

Prices for flights from New Hampshire to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to Key West Airport?

There are 5 operators available for flights from New Hampshire to Key West Airport as of September 2025.

How old do you have to be to fly from New Hampshire to Key West Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$107 Cheap Flights from New Hampshire to Key West in 2025/26

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Find the cheapest flights from New Hampshire to Key West

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:10 am - 12:09 pmBOS-EYW

3h 59mnonstop

1:04 pm - 4:56 pmEYW-BOS

3h 52mnonstop

$207JetBlue

Find Deal

Mon, Oct 13 - Thu, Oct 16

8:10 am - 12:09 pmBOS-EYW

3h 59mnonstop

1:04 pm - 4:56 pmEYW-BOS

3h 52mnonstop

$211JetBlue

Find Deal

Sun, Oct 12 - Sat, Oct 18

5:45 am - 1:30 pmBOS-EYW

7h 45m1 stop

2:25 pm - 12:40 amEYW-BOS

10h 15m1 stop

$220Spirit Airlines

Find Deal

Thu, Nov 6 - Fri, Nov 14

9:00 am - 4:12 pmBOS-EYW

7h 12m1 stop

3:18 pm - 10:43 pmEYW-BOS

7h 25m1 stop

$227American Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

5:45 am - 1:30 pmBOS-EYW

7h 45m1 stop

2:25 pm - 12:40 amEYW-BOS

10h 15m1 stop

$230Spirit Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

11:05 am - 7:22 pmBOS-EYW

8h 17m2 stops

7:52 pm - 12:34 amEYW-BOS

4h 42m1 stop

$232American Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

9:15 am - 5:10 pmBOS-EYW

7h 55m1 stop

6:05 pm - 1:21 amEYW-BOS

7h 16m1 stop

$247Delta

Find Deal

Sun, Dec 7 - Sat, Dec 13

7:30 am - 1:52 pmBOS-EYW

6h 22m1 stop

3:00 pm - 10:47 pmEYW-BOS

7h 47m1 stop

$249United Airlines

Find Deal

Fri, Oct 31 - Wed, Nov 5

1:55 pm - 7:44 pmBOS-EYW

5h 49m1 stop

6:00 pm - 12:59 amEYW-BOS

6h 59m1 stop

$267Delta

Find Deal

Mon, Feb 2 - Fri, Feb 6

5:30 am - 3:09 pmBOS-EYW

9h 39m2 stops

3:09 pm - 11:54 pmEYW-BOS

8h 45m2 stops

$279United Airlines

Find Deal

Mon, Dec 15 - Fri, Dec 19

American Airlines flights from New Hampshire to Key West

Our best American Airlines deals on New Hampshire to Key West flight tickets

American Airlines

Dec 6

BOS9:00 amBoston Logan Intl

7h 12m

1 stop

EYW4:12 pmKey West

Dec 13

EYW3:18 pmKey West

7h 25m

1 stop

BOS10:43 pmBoston Logan Intl

$227

Find similar

American Airlines

Oct 21

BOS11:05 amBoston Logan Intl

8h 17m

2 stops

EYW7:22 pmKey West

Oct 28

EYW7:52 pmKey West

4h 42m

1 stop

BOS12:34 amBoston Logan Intl

$232

Find similar

American Airlines

Dec 15

BOS1:25 pmBoston Logan Intl

8h 21m

1 stop

EYW9:46 pmKey West

Dec 19

EYW3:25 pmKey West

3h 34m

BOS6:59 pmBoston Logan Intl

$237

Find similar

JetBlue flights from New Hampshire to Key West

Our best JetBlue deals on New Hampshire to Key West flight tickets

JetBlue

Oct 13

BOS8:10 amBoston Logan Intl

3h 59m

EYW12:09 pmKey West

Oct 16

EYW1:04 pmKey West

3h 52m

BOS4:56 pmBoston Logan Intl

$207

Find similar

JetBlue

Oct 12

BOS8:10 amBoston Logan Intl

3h 59m

EYW12:09 pmKey West

Oct 18

EYW1:04 pmKey West

3h 52m

BOS4:56 pmBoston Logan Intl

$211

Find similar

JetBlue

Oct 18

BOS8:10 amBoston Logan Intl

3h 59m

EYW12:09 pmKey West

Oct 24

EYW1:04 pmKey West

3h 52m

BOS4:56 pmBoston Logan Intl

$217

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Mon 10/13

8:10 am-12:09 pm

Nonstop3h 59m

Key West

Thu 10/16

1:04 pm-4:56 pm

Nonstop3h 52m

$207

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sun 10/12

8:10 am-12:09 pm

Nonstop3h 59m

Key West

Sat 10/18

1:04 pm-4:56 pm

Nonstop3h 52m

$211

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 11/6

5:45 am-1:30 pm

1 stop7h 45m

Key West

Fri 11/14

2:25 pm-12:40 am

1 stop10h 15m

$220

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 12/6

9:00 am-4:12 pm

1 stop7h 12m

Key West

Sat 12/13

3:18 pm-10:43 pm

1 stop7h 25m

$227

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 12/4

5:45 am-1:30 pm

1 stop7h 45m

Key West

Sun 12/7

2:25 pm-12:40 am

1 stop10h 15m

$230

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 10/21

11:05 am-7:22 pm

2 stops8h 17m

Key West

Tue 10/28

7:52 pm-12:34 am

1 stop4h 42m

$232

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sun 12/7

9:15 am-5:10 pm

1 stop7h 55m

Key West

Sat 12/13

6:05 pm-1:21 am

1 stop7h 16m

$247

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Fri 10/31

7:30 am-1:52 pm

1 stop6h 22m

Key West

Wed 11/5

3:00 pm-10:47 pm

1 stop7h 47m

$249

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Mon 2/2

1:55 pm-7:44 pm

1 stop5h 49m

Key West

Fri 2/6

6:00 pm-12:59 am

1 stop6h 59m

$267

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Mon 12/15

5:30 am-3:09 pm

2 stops9h 39m

Key West

Fri 12/19

3:09 pm-11:54 pm

2 stops8h 45m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New Hampshire to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from New Hampshire to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you are unable to visit Key West during the month of September, then departing from New Hampshire during the month January is also very affordable. Most momondo users find prices during this month for around $336.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from New Hampshire is on a Saturday. momondo users have found tickets for Saturday departures for as low as $442. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from New Hampshire to Key West for around $662.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from New Hampshire to Key West at noon for as low as $443. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $497. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from New Hampshire for as low as $357 on momondo.

Cheap New Hampshire to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Key West

Fastest flight time	3h 52m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Key West	1 airport

The fastest flight from New Hampshire to Key West takes 3h 52m

Direct flights go from New Hampshire to Key West on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Key West: Key West (EYW)

Search flight deals

When did momondo last update prices for flights from New Hampshire to Key West Airport?
Prices for flights from New Hampshire to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to Key West Airport?
There are 5 operators available for flights from New Hampshire to Key West Airport as of September 2025.
How old do you have to be to fly from New Hampshire to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from New Hampshire to Key West

Compare and see reviews for airlines that fly from New Hampshire to Key West with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights
American Airlines	PriceFrom $325	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New Hampshire to Key West. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New Hampshire to Key West with flexible booking policies on momondo?

Yes. All flights to Key West from New Hampshire on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Hampshire to Key West?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from New Hampshire.

I’m not ready to book a flight from New Hampshire to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Hampshire to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.