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Cheap flights from the United States to Belfast from £127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Belfast departing on 12/10. 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 the United States to Belfast

Recent return flight deals from the United States to Belfast

Multiple Airlines Logo
18:05 - 10:05JFK-BFS
11h 00m1 stop
Multiple Airlines Logo
20:55 - 15:55BFS-JFK
24h 00m1 stop
£355Multiple Airlines
Find Deal
Fri, 28 Nov - Tue, 2 Dec
Multiple Airlines Logo
18:20 - 09:55JFK-BFS
10h 35m1 stop
Multiple Airlines Logo
06:10 - 15:55BFS-JFK
14h 45m1 stop
£380Multiple Airlines
Find Deal
Sun, 28 Sep - Thu, 9 Oct
Multiple Airlines Logo
18:05 - 20:10JFK-BFS
21h 05m1 stop
Multiple Airlines Logo
06:30 - 15:55BFS-JFK
14h 25m1 stop
£382Multiple Airlines
Find Deal
Sun, 15 Feb - Fri, 20 Feb
Multiple Airlines Logo
18:20 - 07:30JFK-BFS
32h 10m1 stop
Multiple Airlines Logo
06:10 - 15:55BFS-JFK
14h 45m1 stop
£397Multiple Airlines
Find Deal
Tue, 30 Sep - Thu, 9 Oct
Multiple Airlines Logo
18:05 - 11:55JFK-BFS
12h 50m1 stop
Multiple Airlines Logo
21:35 - 15:55BFS-JFK
23h 20m2 stops
£403Multiple Airlines
Find Deal
Fri, 28 Nov - Tue, 2 Dec
Multiple Airlines Logo
19:05 - 10:05JFK-BFS
11h 00m1 stop
Multiple Airlines Logo
06:30 - 16:55BFS-JFK
14h 25m1 stop
£405Multiple Airlines
Find Deal
Wed, 11 Mar - Fri, 13 Mar
Multiple Airlines Logo
18:20 - 21:30JFK-BFS
22h 10m1 stop
Multiple Airlines Logo
09:25 - 12:20BFS-JFK
31h 55m2 stops
£411Multiple Airlines
Find Deal
Tue, 30 Sep - Thu, 9 Oct
Multiple Airlines Logo
19:50 - 20:40BOS-BFS
19h 50m2 stops
Multiple Airlines Logo
06:30 - 17:50BFS-BOS
16h 20m2 stops
£416Multiple Airlines
Find Deal
Thu, 20 Nov - Wed, 26 Nov
Multiple Airlines Logo
18:20 - 09:25JFK-BFS
10h 05m1 stop
Multiple Airlines Logo
06:35 - 15:55BFS-JFK
14h 20m1 stop
£417Multiple Airlines
Find Deal
Sat, 27 Sep - Thu, 9 Oct
Multiple Airlines Logo
19:05 - 22:20JFK-BFS
23h 15m1 stop
Multiple Airlines Logo
20:05 - 15:55BFS-JFK
24h 50m1 stop
£419Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov

momondo Fare Finder

 
Customise your flight search to find flights from United States to Belfast Intl Airport 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 16 September 2025.
Use the filters below to find and compare flights from the United States to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 28/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 2/12

20:55-15:55

1 stop24h 00m

£355

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 28/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Thu 9/10

06:10-15:55

1 stop14h 45m

£380

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 15/2

18:05-20:10

1 stop21h 05m

Belfast Intl

Fri 20/2

06:30-15:55

1 stop14h 25m

£382

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 30/9

18:20-07:30

1 stop32h 10m

Belfast Intl

Thu 9/10

06:10-15:55

1 stop14h 45m

£397

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 28/11

18:05-11:55

1 stop12h 50m

Belfast Intl

Tue 2/12

21:35-15:55

2 stops23h 20m

£403

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 11/3

19:05-10:05

1 stop11h 00m

Belfast Intl

Fri 13/3

06:30-16:55

1 stop14h 25m

£405

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 30/9

18:20-21:30

1 stop22h 10m

Belfast Intl

Thu 9/10

09:25-12:20

2 stops31h 55m

£411

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 20/11

19:50-20:40

2 stops19h 50m

Belfast Intl

Wed 26/11

06:30-17:50

2 stops16h 20m

£416

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 27/9

18:20-09:25

1 stop10h 05m

Belfast Intl

Thu 9/10

06:35-15:55

1 stop14h 20m

£417

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 30/10

19:05-22:20

1 stop23h 15m

Belfast Intl

Thu 6/11

20:05-15:55

1 stop24h 50m

£419

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from United States to Belfast Intl Airport

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

How long does it take to fly to Belfast Intl Airport?

If you’re flying from a popular airport in United States, such as New York or Boston, and flying into Belfast Intl Airport, then you can expect flight times to average 9h 35m and 11h 25m, respectively.

Cheap United States to Belfast Intl Airport flight deals and tips

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

Direct flights

None
There are no direct flights from United States to Belfast Intl Airport. There are no popular flight routes from United States to Belfast Intl Airport.
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  • When did momondo last update prices for flights from United States to Belfast Intl Airport?

    Prices for flights from United States to Belfast Intl Airport are updated daily.

  • How old do you have to be to fly from United States to Belfast Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

Why should I use momondo to find a flight deal from United States to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from United States.

Can I find flights from United States to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Belfast from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Belfast Intl Airport trip

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