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Cheap flights from Belfast Intl Airport to New Hampshire from £225

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — MHT
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Belfast Intl to New Hampshire

Keep the following information in mind while searching for Belfast Intl to New Hampshire flight deals. Data was last updated 18 September 2025.

Round-trip from

£393

One-way from

£225

Popular in

December

Cheapest in

February

Average price

£486
3/11-10/11
  • 3/11-10/11
  • 3 total stops
  • 50h 55m total
  • Belfast to New Hampshire
Search Deals
16/10
  • 16/10
  • 2 total stops
  • 19h 05m total
  • Belfast to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Belfast Intl to New Hampshire

Cheapest flights from Belfast Intl to New Hampshire
Explore the most affordable flight options available from Belfast Intl to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Mon 3/1106:40BFS - BOS
2 stops35h 40mMultiple Airlines
Mon 10/1120:00BOS - BFS
1 stop15h 15mMultiple Airlines
Deal found 16/9£393
Sat 1/1116:00BFS - BOS
2 stops27h 35mMultiple Airlines
Sat 8/1119:50BOS - BFS
2 stops20h 50mMultiple Airlines
Deal found 17/9£474
Wed 15/1009:35BFS - BOS
1 stop16h 40mMultiple Airlines
Fri 24/1023:00BOS - BFS
2 stops19h 20mMultiple Airlines
Deal found 16/9£504
Fri 3/1008:35BFS - BOS
2 stops14h 45mMultiple Airlines
Tue 7/1020:15BOS - BFS
2 stops15h 25mMultiple Airlines
Deal found 17/9£528
Wed 15/1009:35BFS - BOS
1 stop16h 40mMultiple Airlines
Tue 21/1017:30BOS - BFS
2 stops12h 50mMultiple Airlines
Deal found 16/9£529
Wed 15/1009:35BFS - BOS
1 stop16h 40mMultiple Airlines
Wed 22/1021:25BOS - BFS
2 stops14h 15mMultiple Airlines
Deal found 16/9£539
Wed 15/1011:10BFS - BOS
1 stop14h 35mMultiple Airlines
Sat 25/1020:50BOS - BFS
2 stops13h 50mMultiple Airlines
Deal found 16/9£624
Fri 17/1006:05BFS - BOS
1 stop14h 03mMultiple Airlines
Tue 21/1018:10BOS - BFS
2 stops20h 15mMultiple Airlines
Deal found 16/9£860
Fri 17/1006:05BFS - BOS
1 stop14h 03mMultiple Airlines
Mon 20/1018:10BOS - BFS
2 stops21h 15mMultiple Airlines
Deal found 16/9£863

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 18 September 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to New Hampshire that are best for you.

Fly from

Belfast Intl

Fly to

New Hampshire

Route

Depart

Return

Price

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 3/11

06:40-13:20

2 stops35h 40m

Boston Logan Intl

Mon 10/11

20:00-16:15

1 stop15h 15m

£393

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 1/3

08:55-15:57

2 stops36h 02m

Boston Logan Intl

Thu 5/3

15:40-20:20

2 stops23h 40m

£421

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 1/11

16:00-15:35

2 stops27h 35m

Boston Logan Intl

Sat 8/11

19:50-21:40

2 stops20h 50m

£474

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 15/10

09:35-21:15

1 stop16h 40m

Boston Logan Intl

Fri 24/10

23:00-23:20

2 stops19h 20m

£504

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 3/10

08:35-18:20

2 stops14h 45m

Boston Logan Intl

Tue 7/10

20:15-16:40

2 stops15h 25m

£528

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 15/10

09:35-21:15

1 stop16h 40m

Boston Logan Intl

Mon 20/10

21:25-16:10

2 stops13h 45m

£529

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 15/10

09:35-21:15

1 stop16h 40m

Boston Logan Intl

Tue 21/10

17:30-11:20

2 stops12h 50m

£529

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 15/10

09:35-21:15

1 stop16h 40m

Boston Logan Intl

Wed 22/10

21:25-16:40

2 stops14h 15m

£539

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 17/10

06:05-15:08

1 stop14h 03m

Boston Logan Intl

Tue 21/10

18:10-19:25

2 stops20h 15m

£860

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 17/10

06:05-15:08

1 stop14h 03m

Boston Logan Intl

Mon 20/10

18:10-20:25

2 stops21h 15m

£863

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 14 results
1
2

Best time to book a flight from Belfast Intl to New Hampshire

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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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Alternative routes for Belfast Intl to New Hampshire

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