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Cheap flights from Northern Ireland to New Hampshire from £370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to New Hampshire departing on 30/10. 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
0 bags
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Find the cheapest flights from Northern Ireland to New Hampshire

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:30 - 18:55BHD-BOS
17h 25m1 stop
Delta Logo
09:59 - 16:50BOS-BHD
25h 51m2 stops
£613Delta
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Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
08:05 - 17:50BFS-BOS
14h 45m2 stops
Multiple Airlines Logo
19:50 - 15:10BOS-BFS
14h 20m2 stops
£656Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
06:30 - 20:10BFS-BOS
18h 40m3 stops
Multiple Airlines Logo
18:05 - 15:10BOS-BFS
16h 05m2 stops
£702Multiple Airlines
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Fri, 28 Nov - Fri, 5 Dec
American Airlines Logo
06:45 - 15:36BHD-MHT
37h 51m2 stops
American Airlines Logo
16:04 - 10:30MHT-BHD
13h 26m2 stops
£710American Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
American Airlines Logo
06:45 - 11:03BHD-MHT
33h 18m2 stops
American Airlines Logo
16:04 - 14:50MHT-BHD
17h 46m2 stops
£711American Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
American Airlines Logo
08:45 - 20:45BHD-BOS
16h 00m1 stop
American Airlines Logo
22:35 - 16:35BOS-BHD
14h 00m1 stop
£2,379American Airlines
Find Deal
Tue, 10 Mar - Wed, 11 Mar
American Airlines Logo
06:35 - 15:20BHD-BOS
12h 45m1 stop
American Airlines Logo
19:55 - 09:10BOS-BHD
9h 15m1 stop
£2,382American Airlines
Find Deal
Tue, 10 Mar - Wed, 11 Mar

American Airlines flights from Northern Ireland to New Hampshire

Our best American Airlines deals on Northern Ireland to New Hampshire flight tickets
American Airlines
14 Nov
BHD06:45Belfast City
37h 51m
2 stops
MHT15:36Manchester
18 Nov
MHT16:04Manchester
13h 26m
2 stops
BHD10:30Belfast City
£710
Find similar
American Airlines
14 Nov
BHD06:45Belfast City
33h 18m
2 stops
MHT11:03Manchester
18 Nov
MHT16:04Manchester
17h 46m
2 stops
BHD14:50Belfast City
£711
Find similar
American Airlines
10 Mar
BHD08:45Belfast City
16h 00m
1 stop
BOS20:45Boston Logan Intl
11 Mar
BOS22:35Boston Logan Intl
14h 00m
1 stop
BHD16:35Belfast City
£2,379
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 15 October 2025.
Use the filters below to find and compare flights from Northern Ireland to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Fri 28/11

06:30-18:55

1 stop17h 25m

Boston Logan Intl

Fri 5/12

09:59-16:50

2 stops25h 51m

£613

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 28/11

08:05-17:50

2 stops14h 45m

Boston Logan Intl

Fri 5/12

19:50-15:10

2 stops14h 20m

£656

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Fri 28/11

06:30-20:10

3 stops18h 40m

Boston Logan Intl

Fri 5/12

18:05-15:10

2 stops16h 05m

£702

BelfastManchester

BHD - MHT

BHDMHT

Belfast City

Fri 14/11

06:45-15:36

2 stops37h 51m

Manchester

Tue 18/11

16:04-10:30

2 stops13h 26m

£710

BelfastManchester

BHD - MHT

BHDMHT

Belfast City

Fri 14/11

06:45-11:03

2 stops33h 18m

Manchester

Tue 18/11

16:04-14:50

2 stops17h 46m

£711

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 10/3

08:45-20:45

1 stop16h 00m

Boston Logan Intl

Wed 11/3

22:35-16:35

1 stop14h 00m

£2,379

BelfastBoston

BHD - BOS

BHDBOS

Belfast City

Tue 10/3

06:35-15:20

1 stop12h 45m

Boston Logan Intl

Wed 11/3

19:55-09:10

1 stop9h 15m

£2,382

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 30/10

07:10-20:55

2 stops17h 45m

£370

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 29/10

20:50-08:28

2 stops39h 38m

£373

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 29/10

21:55-08:28

3 stops38h 33m

£395

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to New Hampshire from

How to get the cheapest flight ticket from Northern Ireland to New Hampshire

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to New Hampshire?

On average, the least expensive day to fly to New Hampshire from Northern Ireland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £459. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around £873.

What is the cheapest time of day to depart on your flight to New Hampshire?

Our most recent data shows that the best time of day to fly to New Hampshire is at midday. Flights from Northern Ireland to New Hampshire during this time can be as low as £458. Flights in the morning are often more expensive, with an average ticket price of £550.

Cheap Northern Ireland to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to New Hampshire

Direct flights

None
There are no direct flights from Northern Ireland to New Hampshire. There are no popular flight routes from Northern Ireland to New Hampshire.
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  • When did momondo last update prices for flights from Northern Ireland to New Hampshire?

    Prices for flights from Northern Ireland to New Hampshire are refreshed on a daily basis.

  • How many operators does momondo search for flights from Northern Ireland to New Hampshire?

  • How old do you have to be to fly from Northern Ireland 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 Northern Ireland to New Hampshire.

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

    The travel and health documents required for your trip to New Hampshire can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at New Hampshire. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to New Hampshire for you.

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

Yes. All flights to New Hampshire from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Northern Ireland 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 Northern Ireland to New Hampshire right now. Can momondo alert me if prices change?

Price alerts on flights to New Hampshire from Northern Ireland 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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