Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to New Hampshire from £434

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — MHT
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

£469

Popular in

May

Cheapest in

September

Average price

£471
KLM
  • KLM
  • 16/5-18/5
  • 2 total stops
  • 43h 35m total
  • Cardiff to New Hampshire
Highest demand for flights based on searches. 10% potential increase in price (£60 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£40 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 31 March 2025.

Wed 9/409:50CWL - BOS
1 stop13h 30mKLM
Wed 30/420:15BOS - CWL
1 stop32h 00mKLM
Deal found 30/3£434
Fri 16/509:50CWL - BOS
1 stop11h 35mDelta
Sun 18/520:45BOS - CWL
2 stops15h 00mDelta
Deal found 30/3£472
Wed 9/409:50CWL - BOS
2 stops17h 41mMultiple Airlines
Wed 30/405:30BOS - CWL
2 stops22h 45mMultiple Airlines
Deal found 30/3£539
Wed 20/809:50CWL - BOS
1 stop13h 35mVirgin Atlantic
Sat 30/806:00BOS - CWL
2 stops22h 15mVirgin Atlantic
Deal found 30/3£647

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 31 March 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 16/5

09:50-16:25

1 stop11h 35m

Boston Logan Intl

Sun 18/5

20:15-09:15

1 stop32h 00m

£469

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 16/5

09:50-16:25

1 stop11h 35m

Boston Logan Intl

Sun 18/5

20:45-16:45

2 stops15h 00m

£472

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Wed 20/8

09:50-18:25

1 stop13h 35m

Boston Logan Intl

Sat 30/8

06:00-09:15

2 stops22h 15m

£647

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Fri 16/5

20:55-20:20

3 stops28h 25m

Boston Logan Intl

Sun 18/5

19:15-12:45

2 stops12h 30m

£750

Flights are sorted by cheapest return flights first.

Deals found on 30/3

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.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated 31 March 2025.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to New Hampshire from Cardiff today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Cardiff to New Hampshire?

Cheapflights simply makes it quick and affordable to book flights from Cardiff to New Hampshire by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from Cardiff to New Hampshire become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.