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 30m 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.

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

American Airlines, British Airways, and Delta are the most popular carriers operating from United States to 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.

£125 Cheap Flights from the United States to Northern Ireland in 2025/26

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Find the cheapest flights from the United States to Northern Ireland

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Recent return flight deals from the United States to Northern Ireland

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18:05 - 13:50JFK-BFS

14h 45m1 stop

20:55 - 15:55BFS-JFK

24h 00m1 stop

£347Multiple Airlines

Find Deal

Sun, 8 Feb - Mon, 9 Feb

18:05 - 09:35JFK-BHD

10h 30m1 stop

14:15 - 15:55BHD-JFK

30h 40m1 stop

£349Multiple Airlines

Find Deal

Sun, 8 Feb - Mon, 9 Feb

19:30 - 10:35JFK-BHD

10h 05m1 stop

06:35 - 13:35BHD-JFK

12h 00m1 stop

£402American Airlines

Find Deal

Tue, 21 Oct - Wed, 5 Nov

00:20 - 14:50JFK-BHD

10h 30m1 stop

06:35 - 13:35BHD-JFK

11h 00m1 stop

£406British Airways

Find Deal

Tue, 10 Mar - Wed, 18 Mar

21:40 - 14:15JFK-BHD

12h 35m1 stop

11:30 - 19:40BHD-JFK

12h 10m1 stop

£409Finnair

Find Deal

Wed, 18 Mar - Fri, 27 Mar

22:50 - 14:15JFK-BHD

11h 25m1 stop

08:45 - 19:40BHD-JFK

14h 55m1 stop

£416American Airlines

Find Deal

Wed, 18 Mar - Fri, 27 Mar

19:25 - 21:15JFK-BHD

20h 50m1 stop

17:20 - 13:10BHD-JFK

24h 50m1 stop

£417Delta

Find Deal

Sun, 19 Oct - Wed, 5 Nov

21:40 - 11:30JFK-BHD

9h 50m1 stop

15:40 - 22:05BHD-JFK

11h 25m1 stop

£418British Airways

Find Deal

Tue, 28 Oct - Wed, 5 Nov

19:25 - 21:15JFK-BHD

20h 50m1 stop

06:30 - 13:10BHD-JFK

11h 40m1 stop

£454Delta

Find Deal

Sun, 19 Oct - Sat, 8 Nov

15:30 - 14:15LAX-BHD

14h 45m1 stop

11:25 - 18:30BHD-LAX

15h 05m1 stop

£501Finnair

Find Deal

Fri, 23 Jan - Tue, 3 Feb

Aer Lingus flights from United States to Northern Ireland

Our best Aer Lingus deals on United States to Northern Ireland flight tickets

Aer Lingus

7 Feb

JFK19:05New York John F Kennedy Intl

13h 45m

1 stop

BHD13:50Belfast City

11 Feb

BHD07:00Belfast City

15h 20m

1 stop

JFK17:20New York John F Kennedy Intl

£478

Find similar

Aer Lingus

21 Oct

JFK16:55New York John F Kennedy Intl

14h 55m

2 stops

BHD12:50Belfast City

5 Nov

BHD09:50Belfast City

14h 35m

2 stops

JFK19:25New York John F Kennedy Intl

£569

Find similar

Aer Lingus

6 Nov

LAX20:15Los Angeles

16h 35m

2 stops

BHD20:50Belfast City

8 Nov

BHD07:00Belfast City

19h 30m

2 stops

LAX18:30Los Angeles

£608

Find similar

Finnair flights from United States to Northern Ireland

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

Finnair

18 Mar

JFK21:40New York John F Kennedy Intl

12h 35m

1 stop

BHD14:15Belfast City

27 Mar

BHD11:30Belfast City

12h 10m

1 stop

JFK19:40New York John F Kennedy Intl

£409

Find similar

Finnair

23 Jan

LAX15:30Los Angeles

14h 45m

1 stop

BHD14:15Belfast City

3 Feb

BHD11:25Belfast City

15h 05m

1 stop

LAX18:30Los Angeles

£501

Find similar

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

Sun 8/2

18:05-13:50

1 stop14h 45m

Belfast Intl

Mon 9/2

20:55-15:55

1 stop24h 00m

£347

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 8/2

18:05-09:35

1 stop10h 30m

Belfast City

Mon 9/2

14:15-15:55

1 stop30h 40m

£349

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 21/10

19:30-10:35

1 stop10h 05m

Belfast City

Wed 5/11

06:35-13:35

1 stop12h 00m

£402

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 10/3

00:20-14:50

1 stop10h 30m

Belfast City

Wed 18/3

06:35-13:35

1 stop11h 00m

£406

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 18/3

21:40-14:15

1 stop12h 35m

Belfast City

Fri 27/3

11:30-19:40

1 stop12h 10m

£409

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 18/3

22:50-14:15

1 stop11h 25m

Belfast City

Fri 27/3

08:45-19:40

1 stop14h 55m

£416

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 19/10

19:25-21:15

1 stop20h 50m

Belfast City

Wed 5/11

17:20-13:10

1 stop24h 50m

£417

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 28/10

21:40-11:30

1 stop9h 50m

Belfast City

Wed 5/11

15:40-22:05

1 stop11h 25m

£418

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 19/10

19:25-21:15

1 stop20h 50m

Belfast City

Sat 8/11

06:30-13:10

1 stop11h 40m

£454

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Fri 23/1

15:30-14:15

1 stop14h 45m

Belfast City

Tue 3/2

11:25-18:30

1 stop15h 05m

£501

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 time of day to depart on your flight to Northern Ireland?

Flying to Northern Ireland from United States in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £547 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £555 on average. Flights to Northern Ireland from United States in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You could potentially save up to 21% 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

Direct flights	None

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.