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Cheap flights from Belfast Intl Airport to New Hampshire from £340

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 17/12. 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 Belfast Intl Airport to New Hampshire

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:50 - 18:55BFS-BOS
16h 05m2 stops
Multiple Airlines Logo
21:20 - 22:20BOS-BFS
20h 00m2 stops
£721Multiple Airlines
Find Deal
Mon, 10 Nov - Thu, 13 Nov
Multiple Airlines Logo
10:40 - 15:50BFS-BOS
34h 10m2 stops
Multiple Airlines Logo
17:35 - 22:20BOS-BFS
23h 45m3 stops
£755Multiple Airlines
Find Deal
Mon, 10 Nov - Thu, 13 Nov
Multiple Airlines Logo
10:40 - 18:55BFS-BOS
13h 15m2 stops
Multiple Airlines Logo
22:35 - 13:40BOS-BFS
10h 05m1 stop
£1,828Multiple Airlines
Find Deal
Mon, 10 Nov - Thu, 13 Nov

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 October 2025.
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

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 10/11

07:50-18:55

2 stops16h 05m

Boston Logan Intl

Thu 13/11

21:20-22:20

2 stops20h 00m

£721

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 10/11

10:40-15:50

2 stops34h 10m

Boston Logan Intl

Thu 13/11

17:35-22:20

3 stops23h 45m

£755

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 10/11

10:40-18:55

2 stops13h 15m

Boston Logan Intl

Thu 13/11

22:35-13:40

1 stop10h 05m

£1,828

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 17/12

10:50-14:35

3 stops32h 45m

£340

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 17/12

21:05-13:50

2 stops45h 45m

£377

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 17/12

14:35-16:03

1 stop30h 28m

£1,372

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to New Hampshire from

How to get the cheapest flight ticket from Belfast Intl Airport 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 Belfast Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £462. 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 £878.

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 Belfast Intl Airport to New Hampshire during this time can be as low as £461. Flights in the morning are often more expensive, with an average ticket price of £554.

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

Direct flights

None
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.
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  • 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.

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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