What is the cheapest airline that flies from United States to Northern Ireland?

British Airways and KLM are the most popular carriers operating from United States to Northern Ireland

How long is the flight from United States to Northern Ireland?

The average flight duration from United States to Northern Ireland depends on which airport you fly into and out of. Flying from Boston to Belfast Intl Airport is 9h 35m on average, while flying from New York to Belfast Intl Airport is 9h 55m on average. Belfast Intl Airport is the most popular airport in Northern Ireland.

When did momondo last update prices for flights from United States to Northern Ireland?

Prices for flights from United States to Northern Ireland were last updated today.

How old do you have to be to fly from United States to Northern Ireland?

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 Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£167 Cheap Flights from the United States to Northern Ireland in 2026

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Find the cheapest flights from the United States to Northern Ireland

Round-trip

One-way

Last minute

Recent return flight deals from the United States to Northern Ireland

Enter your travel dates to find the best prices.

18:20 - 09:55

JFK

BFS

10h 35m

1 stop

21:10 - 15:55

BFS

JFK

23h 45m

1 stop

£391Multiple Airlines

Fri, 8 May - Wed, 13 May

19:40 - 17:55

IAD

BFS

17h 15m

2 stops

06:30 - 19:30

BFS

IAD

17h 00m

2 stops

£400Multiple Airlines

Wed, 4 Mar - Thu, 12 Mar

22:45 - 16:35

JFK

BHD

13h 50m

1 stop

06:35 - 14:05

BHD

JFK

11h 30m

1 stop

£405American Airlines

Wed, 11 Mar - Wed, 18 Mar

19:30 - 09:10

EWR

BHD

9h 40m

1 stop

12:25 - 20:35

BHD

EWR

12h 10m

1 stop

£405British Airways

Wed, 11 Mar - Wed, 18 Mar

18:50 - 10:20

JFK

BHD

10h 30m

1 stop

15:05 - 23:05

BHD

JFK

12h 00m

1 stop

£406British Airways

Sun, 1 Mar - Tue, 10 Mar

19:30 - 09:10

EWR

BHD

9h 40m

1 stop

06:35 - 20:35

BHD

EWR

18h 00m

1 stop

£406British Airways

Wed, 11 Mar - Wed, 18 Mar

09:05 - 08:15

JFK

BHD

19h 10m

1 stop

12:25 - 07:19

BHD

JFK

22h 54m

2 stops

£407British Airways

Wed, 11 Mar - Wed, 18 Mar

21:35 - 16:50

EWR

BHD

14h 15m

1 stop

06:35 - 14:50

BHD

EWR

12h 15m

1 stop

£407British Airways

Sun, 1 Mar - Tue, 10 Mar

18:20 - 12:00

JFK

BHD

12h 40m

1 stop

10:05 - 17:00

BHD

JFK

11h 55m

1 stop

£417American Airlines

Wed, 29 Apr - Wed, 6 May

14:59 - 16:50

LGA

BHD

20h 51m

2 stops

06:30 - 16:21

BHD

LGA

14h 51m

2 stops

£468Delta

Wed, 25 Feb - Mon, 2 Mar

Delta flights from United States to Northern Ireland

Our best Delta deals on United States to Northern Ireland flight tickets

Delta

4 Mar

JFK13:59New York John F Kennedy Intl

21h 51m

2 stops

BHD16:50Belfast City

12 Mar

BHD17:20Belfast City

23h 00m

1 stop

JFK12:20New York John F Kennedy Intl

£425

Delta

11 Mar

EWR15:34Newark

21h 16m

2 stops

BHD16:50Belfast City

18 Mar

BHD06:30Belfast City

16h 08m

2 stops

EWR18:38Newark

£431

Delta

11 Mar

EWR15:34Newark

25h 26m

2 stops

BHD21:00Belfast City

18 Mar

BHD06:30Belfast City

16h 08m

2 stops

EWR18:38Newark

£433

American Airlines flights from United States to Northern Ireland

Our best American Airlines deals on United States to Northern Ireland flight tickets

American Airlines

11 Mar

JFK22:45New York John F Kennedy Intl

13h 50m

1 stop

BHD16:35Belfast City

18 Mar

BHD06:35Belfast City

11h 30m

1 stop

JFK14:05New York John F Kennedy Intl

£405

American Airlines

1 Mar

JFK18:25New York John F Kennedy Intl

10h 55m

1 stop

BHD10:20Belfast City

10 Mar

BHD06:35Belfast City

11h 30m

1 stop

JFK14:05New York John F Kennedy Intl

£406

American Airlines

29 Apr

JFK18:20New York John F Kennedy Intl

12h 40m

1 stop

BHD12:00Belfast City

6 May

BHD10:05Belfast City

11h 55m

1 stop

JFK17:00New York John F Kennedy Intl

£417

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Northern Ireland 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 8/5

18:20-09:55

1 stop10h 35m

Belfast Intl

Wed 13/5

21:10-15:55

1 stop23h 45m

£391

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/3

19:40-17:55

2 stops17h 15m

Belfast Intl

Thu 12/3

06:30-19:30

2 stops17h 00m

£400

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 11/3

22:45-16:35

1 stop13h 50m

Belfast City

Wed 18/3

06:35-14:05

1 stop11h 30m

£405

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:30-09:10

1 stop9h 40m

Belfast City

Wed 18/3

12:25-20:35

1 stop12h 10m

£405

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 1/3

18:50-10:20

1 stop10h 30m

Belfast City

Tue 10/3

15:05-23:05

1 stop12h 00m

£406

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:30-09:10

1 stop9h 40m

Belfast City

Wed 18/3

06:35-20:35

1 stop18h 00m

£406

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 11/3

09:05-08:15

1 stop19h 10m

Belfast City

Wed 18/3

12:25-07:19

2 stops22h 54m

£407

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Sun 1/3

21:35-16:50

1 stop14h 15m

Belfast City

Tue 10/3

06:35-14:50

1 stop12h 15m

£407

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 29/4

18:20-12:00

1 stop12h 40m

Belfast City

Wed 6/5

10:05-17:00

1 stop11h 55m

£417

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Wed 25/2

14:59-16:50

2 stops20h 51m

Belfast City

Mon 2/3

06:30-16:21

2 stops14h 51m

£468

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Northern Ireland

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

Prices

Airlines

Other information

What is the cheapest month to fly to Northern Ireland?

In general, November is the cheapest month to fly from United States to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £336. If you’re not able to fly to Northern Ireland in November, then September is your next best option. Flight prices from United States to Northern Ireland during September average around £406.

Can stopping save me money on United States to Northern Ireland flights?

You could potentially save up to 8% on your flight if you consider stops on a United States to Northern Ireland flight.

Cheap United States to Northern Ireland flight deals and tips

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

Fastest flight time	9h 35m
Direct flights	None

The fastest flight from United States to Northern Ireland takes 9h 35m

There are no direct flights from United States to Northern Ireland. There are no popular flight routes from United States to Northern Ireland.

Search flight deals

When did momondo last update prices for flights from United States to Northern Ireland?
Prices for flights from United States to Northern Ireland were last updated today.
How old do you have to be to fly from United States to Northern Ireland?
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 Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek 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 United States to Northern Ireland?

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 United States to Northern Ireland for you.

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

Yes. momondo enables you to select and highlight flights to Northern Ireland from United States with this policy.

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

Once you have performed a search for United States to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Northern Ireland from United States 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.