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Cheap flights from the United States to Belfast from £112

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
00:20 - 07:55EWR-BFS
26h 35m2 stops
Multiple Airlines Logo
06:30 - 15:30BFS-EWR
38h 00m2 stops
£388Multiple Airlines
Find Deal
Sun, 30 Nov - Mon, 8 Dec
Multiple Airlines Logo
18:05 - 10:05JFK-BFS
11h 00m1 stop
Multiple Airlines Logo
20:55 - 15:55BFS-JFK
24h 00m1 stop
£389Multiple Airlines
Find Deal
Wed, 5 Nov - Mon, 10 Nov
Multiple Airlines Logo
17:40 - 21:10EWR-BFS
22h 30m2 stops
Multiple Airlines Logo
06:30 - 15:30BFS-EWR
38h 00m2 stops
£395Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
18:05 - 21:30JFK-BFS
22h 25m1 stop
Multiple Airlines Logo
06:00 - 15:55BFS-JFK
14h 55m1 stop
£408Multiple Airlines
Find Deal
Sun, 9 Nov - Tue, 25 Nov
Multiple Airlines Logo
05:30 - 21:30BOS-BFS
35h 00m2 stops
Multiple Airlines Logo
06:00 - 19:12BFS-BOS
18h 12m2 stops
£421Multiple Airlines
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Sun, 9 Nov - Tue, 25 Nov
Multiple Airlines Logo
18:05 - 10:05JFK-BFS
11h 00m1 stop
Multiple Airlines Logo
06:30 - 15:55BFS-JFK
14h 25m1 stop
£433Multiple Airlines
Find Deal
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
11:35 - 18:15BOS-BFS
25h 40m2 stops
Multiple Airlines Logo
06:00 - 17:50BFS-BOS
40h 50m2 stops
£433Multiple Airlines
Find Deal
Sun, 14 Dec - Thu, 8 Jan
Multiple Airlines Logo
18:05 - 10:05JFK-BFS
11h 00m1 stop
Multiple Airlines Logo
09:25 - 15:55BFS-JFK
11h 30m1 stop
£434Multiple Airlines
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Multiple Airlines Logo
18:30 - 21:30BOS-BFS
22h 00m2 stops
Multiple Airlines Logo
06:00 - 16:00BFS-BOS
15h 00m1 stop
£439Multiple Airlines
Find Deal
Sun, 9 Nov - Tue, 25 Nov
Multiple Airlines Logo
20:00 - 21:30BOS-BFS
20h 30m1 stop
Multiple Airlines Logo
06:00 - 16:00BFS-BOS
15h 00m1 stop
£442Multiple Airlines
Find Deal
Sun, 9 Nov - Tue, 25 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 17 October 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

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 30/11

00:20-07:55

2 stops26h 35m

Belfast Intl

Mon 8/12

06:30-15:30

2 stops38h 00m

£388

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 5/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Mon 10/11

20:55-15:55

1 stop24h 00m

£389

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 1/12

17:40-21:10

2 stops22h 30m

Belfast Intl

Mon 8/12

06:30-15:30

2 stops38h 00m

£395

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/11

18:05-21:30

1 stop22h 25m

Belfast Intl

Tue 25/11

06:00-15:55

1 stop14h 55m

£408

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/11

05:30-21:30

2 stops35h 00m

Belfast Intl

Tue 25/11

06:00-19:12

2 stops18h 12m

£421

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 23/1

18:05-10:05

1 stop11h 00m

Belfast Intl

Fri 30/1

06:30-15:55

1 stop14h 25m

£433

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 14/12

11:35-18:15

2 stops25h 40m

Belfast Intl

Thu 8/1

06:00-17:50

2 stops40h 50m

£433

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 30/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Sun 7/12

09:25-15:55

1 stop11h 30m

£434

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/11

18:30-21:30

2 stops22h 00m

Belfast Intl

Tue 25/11

06:00-16:00

1 stop15h 00m

£439

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Sun 9/11

20:00-21:30

1 stop20h 30m

Belfast Intl

Tue 25/11

06:00-16:00

1 stop15h 00m

£442

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 10h 05m and 10h 15m, 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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