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Cheap flights from Belfast to New Hampshire from £275

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — MHT
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to New Hampshire

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to New Hampshire
Explore the most affordable flight options available from Belfast to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 June 2026.

Wed 9/911:35
BHD
-
BOS
1 stop13h 30m
British Airways
Fri 25/917:28
BOS
-
BHD
2 stops17h 02m
British Airways
Deal found 10/6£514
Sun 14/606:30
BHD
-
BOS
1 stop11h 05m
American Airlines
Mon 22/620:10
BOS
-
BHD
1 stop11h 45m
American Airlines
Deal found 7/6£540
Thu 18/606:30
BHD
-
BOS
1 stop11h 05m
American Airlines
Fri 24/719:37
BOS
-
BHD
2 stops14h 53m
American Airlines
Deal found 8/6£544
Wed 22/710:05
BHD
-
BOS
1 stop15h 00m
British Airways
Wed 29/719:40
BOS
-
BHD
1 stop11h 20m
British Airways
Deal found 7/6£545
Thu 18/609:50
BHD
-
BOS
1 stop11h 45m
Delta
Fri 24/709:05
BOS
-
BHD
2 stops19h 15m
Delta
Deal found 9/6£555
Thu 9/708:20
BFS
-
BOS
2 stops18h 25m
Multiple Airlines
Mon 13/723:00
BOS
-
BFS
2 stops18h 15m
Multiple Airlines
Deal found 8/6£560
Thu 9/708:20
BFS
-
BOS
2 stops15h 55m
Multiple Airlines
Thu 16/710:05
BOS
-
BFS
2 stops27h 50m
Multiple Airlines
Deal found 7/6£616
Wed 22/707:35
BFS
-
BOS
2 stops16h 00m
Multiple Airlines
Wed 29/710:05
BOS
-
BFS
2 stops21h 00m
Multiple Airlines
Deal found 7/6£617
Wed 9/906:10
BFS
-
BOS
2 stops20h 35m
Multiple Airlines
Fri 25/920:50
BOS
-
BFS
3 stops19h 25m
Multiple Airlines
Deal found 10/6£637
Mon 13/708:00
BFS
-
BOS
2 stops19h 38m
Multiple Airlines
Sun 19/720:50
BOS
-
BFS
2 stops19h 40m
Multiple Airlines
Deal found 10/6£644

Find flight deals from Belfast to New Hampshire

Keep the following information in mind while searching for Belfast to New Hampshire flight deals. Data was last updated 11 June 2026.

Round-trip from

£514

One-way from

£275
British Airways
  • British Airways
  • 9/9-25/9
  • 3 total stops
  • 30h 32m total
  • Belfast to New Hampshire
Search Deals
18/8
  • 18/8
  • 3 total stops
  • 48h 45m total
  • Belfast to New Hampshire
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 11 June 2026.
Use the filters below to find and compare flights from Belfast to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 9/9

11:35-20:05

1 stop13h 30m

Boston Logan Intl

Fri 25/9

17:28-15:30

2 stops17h 02m

£514
Fastest return journey

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 22/7

10:05-20:05

1 stop15h 00m

Boston Logan Intl

Wed 29/7

19:40-12:00

1 stop11h 20m

£545

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

19:05-22:55

1 stop32h 50m

Boston Logan Intl

Sat 31/10

08:30-08:15

1 stop19h 45m

£573

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Sat 24/10

09:35-21:29

2 stops16h 54m

Boston Logan Intl

Sat 31/10

15:31-11:10

2 stops15h 39m

£580

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 16/9

18:20-12:35

1 stop23h 15m

Boston Logan Intl

Sun 20/9

21:55-14:35

1 stop11h 40m

£586

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Wed 14/10

18:20-12:30

1 stop23h 10m

Boston Logan Intl

Sun 18/10

07:25-08:40

1 stop20h 15m

£586

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 9/7

08:20-19:15

2 stops15h 55m

Boston Logan Intl

Thu 16/7

10:05-18:55

2 stops27h 50m

£616

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 22/7

07:35-18:35

2 stops16h 00m

Boston Logan Intl

Wed 29/7

10:05-12:05

2 stops21h 00m

£617

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 13/7

08:00-22:38

2 stops19h 38m

Boston Logan Intl

Sun 19/7

20:50-21:30

2 stops19h 40m

£644

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 9/9

21:05-20:20

3 stops28h 15m

Boston Logan Intl

Fri 25/9

20:50-21:15

3 stops19h 25m

£667

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Belfast to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Belfast 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 Belfast 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 Belfast to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to New Hampshire?

    British Airways can get you from Belfast to New Hampshire in just under 13h 30m. Your travel time can differ by up to . The distance between Belfast and New Hampshire is about 2981 mi.

  • What are the most popular routes from Belfast to New Hampshire?

    While some choose either Belfast City - Boston Logan Intl or Belfast City - Manchester, Belfast Intl - Boston Logan Intl is the most popular route from Belfast to New Hampshire.

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

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

  • How can I find direct flights from Belfast to New Hampshire?

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

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

    Yes. Cheapflights offers flight deals from Belfast 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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Fly with Cheapflights

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

Deals for Belfast to New Hampshire flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to New Hampshire for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Belfast to New Hampshire with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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!

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