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Cheap flights from the United States to Belfast from £181

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 20/9. 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 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
20:30 - 23:20
JFK
-
BFS
21h 50m
2 stops
Multiple Airlines Logo
20:15 - 22:25
BFS
-
JFK
31h 10m
3 stops
£454Multiple Airlines
Mon, 24 Aug - Tue, 8 Sep
Multiple Airlines Logo
20:25 - 23:20
EWR
-
BFS
21h 55m
2 stops
Multiple Airlines Logo
07:00 - 19:15
BFS
-
EWR
41h 15m
3 stops
£464Multiple Airlines
Mon, 24 Aug - Tue, 8 Sep
Multiple Airlines Logo
20:30 - 23:20
JFK
-
BFS
21h 50m
2 stops
Multiple Airlines Logo
18:50 - 22:25
BFS
-
JFK
32h 35m
3 stops
£468Multiple Airlines
Fri, 9 Oct - Mon, 12 Oct
Multiple Airlines Logo
23:10 - 21:05
JFK
-
BFS
16h 55m
2 stops
Multiple Airlines Logo
20:15 - 22:25
BFS
-
JFK
31h 10m
3 stops
£480Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
23:10 - 17:05
JFK
-
BFS
12h 55m
2 stops
Multiple Airlines Logo
08:30 - 22:25
BFS
-
JFK
42h 55m
3 stops
£489Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
23:10 - 17:50
JFK
-
BHD
13h 40m
2 stops
Multiple Airlines Logo
12:50 - 19:20
BHD
-
JFK
35h 30m
3 stops
£491Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
British Airways Logo
22:15 - 18:40
DFW
-
BHD
15h 25m
1 stop
British Airways Logo
17:45 - 19:10
BHD
-
DFW
31h 25m
1 stop
£702British Airways
Tue, 27 Oct - Mon, 2 Nov
British Airways Logo
13:30 - 10:30
DFW
-
BHD
16h 00m
2 stops
British Airways Logo
19:25 - 19:10
BHD
-
DFW
29h 45m
1 stop
£705British Airways
Tue, 27 Oct - Mon, 2 Nov
British Airways Logo
18:30 - 10:30
EWR
-
BHD
11h 00m
1 stop
British Airways Logo
12:25 - 19:35
BHD
-
EWR
12h 10m
1 stop
£706British Airways
Tue, 1 Dec - Wed, 9 Dec
KLM Logo
14:00 - 09:20
LGA
-
BHD
14h 20m
2 stops
KLM Logo
09:50 - 20:30
BHD
-
LGA
15h 40m
2 stops
£732KLM
Mon, 24 Aug - Tue, 15 Sep

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Delta flights from United States to Belfast

Our best Delta deals on United States to Belfast flight tickets
Delta
3 Aug
JFK11:00New York John F Kennedy Intl
17h 20m
2 stops
BHD09:20Belfast City
19 Aug
BHD17:30Belfast City
23h 59m
1 stop
JFK12:29New York John F Kennedy Intl
£728
Delta
2 Aug
LGA13:00New York LaGuardia
15h 20m
2 stops
BHD09:20Belfast City
13 Aug
BHD09:50Belfast City
17h 31m
2 stops
LGA22:21New York LaGuardia
£768
Delta
20 Sept
DFW18:35Dallas/Fort Worth
16h 20m
2 stops
BHD16:55Belfast City
1 Oct
BHD09:50Belfast City
18h 38m
2 stops
DFW22:28Dallas/Fort Worth
£771

KLM flights from United States to Belfast

Our best KLM deals on United States to Belfast flight tickets
KLM
3 Aug
JFK16:40New York John F Kennedy Intl
11h 40m
1 stop
BHD09:20Belfast City
19 Aug
BHD17:30Belfast City
28h 49m
1 stop
JFK17:19New York John F Kennedy Intl
£708
KLM
24 Aug
LGA14:00New York LaGuardia
14h 20m
2 stops
BHD09:20Belfast City
15 Sept
BHD09:50Belfast City
15h 40m
2 stops
LGA20:30New York LaGuardia
£732
KLM
24 Aug
LGA14:00New York LaGuardia
14h 20m
2 stops
BHD09:20Belfast City
16 Sept
BHD09:50Belfast City
15h 40m
2 stops
LGA20:30New York LaGuardia
£815

momondo Fare Finder

 
Customise your flight search to find flights from United States to Belfast 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 14 July 2026.
Use the filters below to find and compare flights from the United States to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 24/8

20:30-23:20

2 stops21h 50m

Belfast Intl

Tue 8/9

20:15-22:25

3 stops31h 10m

£454

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 24/8

20:25-23:20

2 stops21h 55m

Belfast Intl

Tue 8/9

07:00-19:15

3 stops41h 15m

£464

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 9/10

20:30-23:20

2 stops21h 50m

Belfast Intl

Mon 12/10

18:50-22:25

3 stops32h 35m

£468

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 8/9

23:10-21:05

2 stops16h 55m

Belfast Intl

Tue 15/9

20:15-22:25

3 stops31h 10m

£480

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 9/9

23:10-17:05

2 stops12h 55m

Belfast Intl

Wed 16/9

08:30-22:25

3 stops42h 55m

£489

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 8/9

23:10-17:50

2 stops13h 40m

Belfast City

Tue 15/9

12:50-19:20

3 stops35h 30m

£491

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Tue 27/10

22:15-18:40

1 stop15h 25m

Belfast City

Mon 2/11

17:45-19:10

1 stop31h 25m

£702

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Tue 27/10

13:30-10:30

2 stops16h 00m

Belfast City

Mon 2/11

19:25-19:10

1 stop29h 45m

£705
Fastest return journey

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Tue 1/12

18:30-10:30

1 stop11h 00m

Belfast City

Wed 9/12

12:25-19:35

1 stop12h 10m

£706

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Mon 24/8

14:00-09:20

2 stops14h 20m

Belfast City

Tue 15/9

09:50-20:30

2 stops15h 40m

£732

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

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 month to fly to Belfast?

The cheapest month to fly to Belfast from United States is in November. Flight prices, which tend to average around £344, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £383.

Cheap United States to Belfast flight deals and tips

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

Fastest flight time

10h 10m

Direct flights

None
The fastest flight from United States to Belfast takes 10h 10m
There are no direct flights from United States to Belfast. There are no popular flight routes from United States to Belfast.
Search flight deals

Frequently asked questions about flying from the United States to Belfast

  • When did momondo last update prices for flights from United States to Belfast?

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

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

    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.

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

    The required travel and health documents for your Belfast 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Belfast.

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from United States and alert you when they change.

An easier way to manage your Belfast trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport