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Cheap flights from Cardiff to New Hampshire from £431

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — MHT
9 Sep — 16 Sep1
1 adult

Cheap flight deals from Cardiff to New Hampshire

Keep the following information in mind while searching for Cardiff to New Hampshire flight deals. Data was last updated 4 September 2025.

Round-trip from

£431

Popular in

July

Cheapest in

June

Average price

£471
17/10-24/10
  • 17/10-24/10
  • 2 total stops
  • 20h 20m total
  • Cardiff to New Hampshire
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Cardiff to New Hampshire

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 4 September 2025.

Fri 17/1012:25CWL - BOS
1 stop11h 20mMultiple Airlines
Fri 24/1017:30BOS - CWL
1 stop9h 00mMultiple Airlines
Deal found 2/9£431
Fri 17/1009:50CWL - BOS
1 stop11h 40mDelta
Fri 24/1012:45BOS - CWL
2 stops15h 25mDelta
Deal found 2/9£550
Fri 17/1009:00CWL - BOS
2 stops42h 40mBritish Airways
Fri 24/1007:15BOS - CWL
2 stops23h 15mBritish Airways
Deal found 2/9£693
Fri 19/1210:20CWL - BOS
1 stop13h 35mKLM
Fri 2/120:50BOS - CWL
1 stop32h 00mKLM
Deal found 3/9£971
Fri 19/1210:20CWL - BOS
2 stops17h 09mDelta
Fri 2/119:10BOS - CWL
1 stop9h 40mDelta
Deal found 3/9£1,079
Fri 19/1210:20CWL - BOS
2 stops35h 00mMultiple Airlines
Fri 2/117:00BOS - CWL
2 stops35h 50mMultiple Airlines
Deal found 3/9£1,238

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff 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 858,174 searches. Data last updated 4 September 2025.
Use the filters below to find and compare flights from Cardiff to New Hampshire that are best for you.

Fly from

Cardiff

Fly to

New Hampshire

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 17/10

12:25-18:45

1 stop11h 20m

Boston Logan Intl

Fri 24/10

17:30-07:30

1 stop9h 00m

£431

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 17/10

09:50-16:30

1 stop11h 40m

Boston Logan Intl

Fri 24/10

12:45-09:10

2 stops15h 25m

£550

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 17/10

09:00-22:40

2 stops42h 40m

Boston Logan Intl

Fri 24/10

07:15-11:30

2 stops23h 15m

£693

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 19/12

10:20-18:55

1 stop13h 35m

Boston Logan Intl

Fri 2/1

20:50-09:50

1 stop32h 00m

£971

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 19/12

10:20-22:29

2 stops17h 09m

Boston Logan Intl

Fri 2/1

19:10-09:50

1 stop9h 40m

£1,079

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 19/12

10:20-16:20

2 stops35h 00m

Boston Logan Intl

Fri 2/1

17:00-09:50

2 stops35h 50m

£1,238

Flights are sorted by cheapest return flights first.

Deals found on 2/9

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.
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
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 Cardiff 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 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 11h 40m. Delta provides one of the quickest options available for as low as £550. 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.

See more FAQs

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How does Cheapflights help users find flights from Cardiff to New Hampshire?

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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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