Cheap flights from Belfast Intl Airport to New Hampshire from £339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to New Hampshire departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Belfast Intl Airport to New Hampshire

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:40 - 21:05
BFS
-
BOS
35h 25m
2 stops
Multiple Airlines Logo
19:45 - 08:05
BOS
-
BFS
31h 20m
1 stop
£567Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
06:10 - 10:15
BFS
-
BOS
33h 05m
3 stops
Multiple Airlines Logo
21:40 - 00:05
BOS
-
BFS
21h 25m
2 stops
£654Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
21:25 - 17:45
BFS
-
BOS
25h 20m
2 stops
Multiple Airlines Logo
21:40 - 00:05
BOS
-
BFS
21h 25m
2 stops
£673Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
10:30 - 20:20
BFS
-
BOS
38h 50m
2 stops
Multiple Airlines Logo
23:10 - 16:15
BOS
-
BFS
12h 05m
1 stop
£682Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
06:40 - 22:39
BFS
-
BOS
20h 59m
2 stops
Multiple Airlines Logo
20:50 - 23:20
BOS
-
BFS
21h 30m
3 stops
£684Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
06:40 - 21:27
BFS
-
BOS
19h 47m
3 stops
Multiple Airlines Logo
20:50 - 23:20
BOS
-
BFS
21h 30m
3 stops
£691Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
21:05 - 19:55
BFS
-
BOS
27h 50m
2 stops
Multiple Airlines Logo
05:50 - 18:50
BOS
-
BFS
32h 00m
3 stops
£707Multiple Airlines
Sun, 10 May - Sun, 17 May
Multiple Airlines Logo
08:15 - 07:29
BFS
-
BOS
28h 14m
3 stops
Multiple Airlines Logo
20:59 - 20:25
BOS
-
BFS
18h 26m
3 stops
£710Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
10:30 - 20:20
BFS
-
BOS
14h 50m
1 stop
Multiple Airlines Logo
19:45 - 08:05
BOS
-
BFS
31h 20m
1 stop
£725Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
14:00 - 15:35
BFS
-
BOS
30h 35m
2 stops
Multiple Airlines Logo
17:40 - 20:55
BOS
-
BFS
22h 15m
2 stops
£740Multiple Airlines
Sun, 10 May - Sun, 17 May

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 30 March 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

14:40-21:05

2 stops35h 25m

Boston Logan Intl

Mon 25/5

19:45-08:05

1 stop31h 20m

£567

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 27/4

06:10-10:15

3 stops33h 05m

Boston Logan Intl

Mon 4/5

21:40-00:05

2 stops21h 25m

£654

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 27/4

21:25-17:45

2 stops25h 20m

Boston Logan Intl

Mon 4/5

21:40-00:05

2 stops21h 25m

£673

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 27/4

10:30-20:20

2 stops38h 50m

Boston Logan Intl

Mon 4/5

23:10-16:15

1 stop12h 05m

£682

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

06:40-22:39

2 stops20h 59m

Boston Logan Intl

Mon 25/5

20:50-23:20

3 stops21h 30m

£684
Fastest return journey

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

06:40-21:27

3 stops19h 47m

Boston Logan Intl

Mon 25/5

20:50-23:20

3 stops21h 30m

£691

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 10/5

21:05-19:55

2 stops27h 50m

Boston Logan Intl

Sun 17/5

05:50-18:50

3 stops32h 00m

£707

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 27/4

08:15-07:29

3 stops28h 14m

Boston Logan Intl

Mon 4/5

20:59-20:25

3 stops18h 26m

£710

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 18/5

10:30-20:20

1 stop14h 50m

Boston Logan Intl

Mon 25/5

19:45-08:05

1 stop31h 20m

£725

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 10/5

14:00-15:35

2 stops30h 35m

Boston Logan Intl

Sun 17/5

17:40-20:55

2 stops22h 15m

£740

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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Cheap Belfast Intl Airport to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to New Hampshire

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from Belfast Intl Airport to New Hampshire takes 11h 45m
There are no direct flights from Belfast Intl Airport to New Hampshire. There are no popular flight routes from Belfast Intl Airport to New Hampshire.
  • When did momondo last update prices for flights from Belfast Intl Airport to New Hampshire?

    Prices for flights from Belfast Intl Airport to New Hampshire refresh daily.

  • How many operators does momondo search for flights from Belfast Intl Airport to New Hampshire?

  • How old do you have to be to fly from Belfast Intl Airport to New Hampshire?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The necessary travel and health documents for your New Hampshire trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Belfast Intl Airport to New Hampshire?

    Price Alerts will notify you by email when the price for flights to New Hampshire from Belfast Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Belfast Intl Airport to New Hampshire with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to New Hampshire?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to New Hampshire . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to New Hampshire with flexible booking policies on momondo?

momondo does allow users to show only those flights to New Hampshire from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to New Hampshire?

momondo helps you find the best flight between Belfast and New Hampshire by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Belfast to New Hampshire right now. Can momondo alert me if prices change?

Price alerts on flights to New Hampshire from Belfast are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your New Hampshire trip

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1 adult
Wed 29/4
Wed 6/5

Find better results for your trip to New Hampshire

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