How long is the flight from Cardiff to New Hampshire?

A quick flight from Cardiff to New Hampshire can take about 18h 20m. Virgin Atlantic provides one of the quickest options available for as low as £639. There are 3137 mi between Cardiff and New Hampshire. This flight may include one or multiple stops.

What is the cheapest time of day to fly from CWL to NH?

When flying from Cardiff to New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Cardiff to New Hampshire?

Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to New Hampshire.

Can I find deals for flights from Cardiff to New Hampshire that include hotel bookings?

Yes. In addition to deals on Cardiff to New Hampshire flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to New Hampshire?

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

Can I find deals for business class flights from Cardiff to New Hampshire?

Yes. Cheapflights offers flight deals from Cardiff 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.

£141+ Cheap Flights from Cardiff to New Hampshire

Cheap flight deals from Cardiff to New Hampshire

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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Cheapest flights from Cardiff to New Hampshire
Explore the most affordable flight options available from Cardiff to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Mon 14/917:15 -

1 stop28h 20m

Mon 21/920:25 -

1 stop15h 20m

Deal found 17/8£606

Sat 3/1009:45 -

1 stop11h 51m

Sat 10/1020:25 -

1 stop31h 50m

Deal found 19/8£617

Tue 22/1210:20 -

1 stop33h 00m

Tue 5/119:15 -

1 stop16h 45m

Deal found 20/8£619

Mon 14/909:45 -

2 stops18h 25m

Mon 21/916:40 -

1 stop11h 35m

Deal found 17/8£620

Sun 4/1009:50 -

2 stops18h 20m

Sun 11/1018:55 -

1 stop9h 20m

Deal found 20/8£639

Fri 18/1210:20 -

2 stops18h 36m

Fri 8/119:15 -

1 stop16h 45m

Deal found 18/8£647

Mon 14/909:45 -

2 stops18h 25m

Mon 21/912:15 -

2 stops16h 00m

Deal found 17/8£649

Tue 22/1217:30 -

2 stops47h 31m

Tue 5/120:45 -

2 stops32h 05m

Deal found 20/8£655

Mon 7/911:35 -

1 stop26h 30m

Thu 10/922:55 -

2 stops33h 00m

Deal found 18/8£662

Find flight deals from Cardiff to New Hampshire

Round-trip from	£606
One-way from	£141

Air France
14/9-21/9
2 total stops
43h 40m total
Cardiff to New Hampshire

Search Deals

6/10
1 total stop
24h 35m total
Cardiff to New Hampshire

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 14/9

09:45-23:10

2 stops18h 25m

Boston Logan Intl

Mon 21/9

16:40-09:15

1 stop11h 35m

£620

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Tue 22/12

10:20-14:20

1 stop33h 00m

Boston Logan Intl

Tue 5/1

09:55-17:00

2 stops26h 05m

£628

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sat 3/10

09:45-18:30

1 stop13h 45m

Boston Logan Intl

Sat 10/10

13:35-09:15

2 stops14h 40m

£633

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 4/10

09:50-23:10

2 stops18h 20m

Boston Logan Intl

Sun 11/10

18:55-09:15

1 stop9h 20m

£639

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Fri 18/12

10:20-23:56

2 stops18h 36m

Boston Logan Intl

Fri 8/1

19:15-17:00

1 stop16h 45m

£647

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 14/9

09:45-23:10

2 stops18h 25m

Boston Logan Intl

Mon 21/9

12:15-09:15

2 stops16h 00m

£649

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Mon 7/9

11:35-09:05

1 stop26h 30m

Boston Logan Intl

Thu 10/9

22:55-12:55

2 stops33h 00m

£662

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 4/10

09:50-23:10

2 stops18h 20m

Boston Logan Intl

Sun 11/10

13:35-09:15

2 stops14h 40m

£686

Fastest return journey

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Sun 4/10

09:50-16:36

1 stop11h 46m

Boston Logan Intl

Sun 11/10

16:45-09:15

1 stop11h 30m

£776

Cheapest one-way

CardiffBoston

CWL Cardiff Wales - BOS Boston Logan Intl

CWLBOS

Cardiff Wales

Tue 6/10

23:15-18:50

1 stop24h 35m

£141

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Cardiff to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Cardiff with our price prediction graph.

CWL-BOS

Estimated return 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 Cardiff to New Hampshire

CWL-USNH

CWL-BOS

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Cardiff to New Hampshire?
Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to New Hampshire.
How long is the flight from Cardiff to New Hampshire?
A quick flight from Cardiff to New Hampshire can take about 18h 20m. Virgin Atlantic provides one of the quickest options available for as low as £639. There are 3137 mi between Cardiff and New Hampshire. This flight may include one or multiple stops.
Can I find deals for flights from Cardiff to New Hampshire that include hotel bookings?
Yes. In addition to deals on Cardiff to New Hampshire flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to New Hampshire?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to New Hampshire.
Can I find deals for business class flights from Cardiff to New Hampshire?
Yes. Cheapflights offers flight deals from Cardiff 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.

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Can Cheapflights find flights from Cardiff to New Hampshire with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to New Hampshire flexibly with Cheapflights today.

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Cheap flights from Cardiff to New Hampshire from £141

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to New Hampshire

Cheapest flights from Cardiff to New HampshireExplore the most affordable flight options available from Cardiff to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Cardiff to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Cardiff to New HampshireDiscover carefully curated flight deals from Cardiff to New Hampshire that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Cardiff to New Hampshire that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Cardiff to New HampshireDiscover last-minute flight deals from Cardiff to New Hampshire. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to New Hampshire. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Cardiff to New HampshireSearch for one-way flight options from Cardiff to New Hampshire. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Cardiff to New Hampshire. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Cardiff to New Hampshire

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Use the filters below to find and compare flights from Cardiff to New Hampshire that are best for you.

Best time to book a flight from Cardiff to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Cardiff with our price prediction graph.

Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from Cardiff to New Hampshire?

How long is the flight from Cardiff to New Hampshire?

Can I find deals for flights from Cardiff to New Hampshire that include hotel bookings?

How can I find direct flights from Cardiff to New Hampshire?

Can I find deals for business class flights from Cardiff to New Hampshire?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cardiff to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to New Hampshire by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Cardiff to New Hampshire by cabin class

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Cardiff and New Hampshire flights

Browse other Cardiff and New Hampshire flight options. Last updated on 21 August 2026.

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Cheapest flights from Cardiff to New Hampshire
Explore the most affordable flight options available from Cardiff to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Cardiff to New Hampshire
Discover carefully curated flight deals from Cardiff to New Hampshire that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Cardiff to New Hampshire
Discover last-minute flight deals from Cardiff to New Hampshire. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Cardiff to New Hampshire
Search for one-way flight options from Cardiff to New Hampshire. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.