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 10h 05m on average, while flying from New York to Belfast Intl Airport is 10h 10m 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.

£142 Cheap Flights from the United States to Northern Ireland in 2025

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Find the cheapest flights from the United States to Northern Ireland

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One-way

Last minute

Recent return flight deals from the United States to Northern Ireland

18:20 - 09:55JFK-BFS

10h 35m1 stop

20:55 - 15:55BFS-JFK

24h 00m1 stop

£329

Find Deal

Wed, 24 Sep - Tue, 30 Sep

18:20 - 09:55JFK-BFS

10h 35m1 stop

06:05 - 15:55BFS-JFK

14h 50m1 stop

£332

Find Deal

Wed, 3 Sep - Fri, 19 Sep

18:25 - 10:30JFK-BHD

11h 05m1 stop

10:00 - 17:15BHD-JFK

12h 15m1 stop

£394British Airways

Find Deal

Tue, 9 Dec - Tue, 24 Feb

19:30 - 11:55JFK-BHD

11h 25m1 stop

06:35 - 12:40BHD-JFK

11h 05m1 stop

£397British Airways

Find Deal

Wed, 3 Sep - Fri, 19 Sep

19:00 - 15:40EWR-BHD

15h 40m2 stops

10:00 - 22:30BHD-EWR

17h 30m2 stops

£418American Airlines

Find Deal

Mon, 18 Aug - Wed, 27 Aug

14:19 - 16:55JFK-BHD

21h 36m2 stops

06:30 - 18:45BHD-JFK

17h 15m2 stops

£434Delta

Find Deal

Wed, 3 Sep - Fri, 19 Sep

00:50 - 21:15JFK-BHD

15h 25m1 stop

06:30 - 17:59BHD-JFK

16h 29m2 stops

£451Delta

Find Deal

Mon, 15 Sep - Tue, 23 Sep

07:00 - 16:55JFK-BHD

28h 55m2 stops

17:25 - 15:25BHD-JFK

27h 00m1 stop

£454Virgin Atlantic

Find Deal

Sun, 21 Sep - Mon, 6 Oct

08:35 - 10:15LAX-BHD

17h 40m2 stops

06:35 - 18:28BHD-LAX

19h 53m2 stops

£518American Airlines

Find Deal

Wed, 14 Jan - Thu, 14 May

16:45 - 21:15LAX-BHD

20h 30m1 stop

06:30 - 11:50BHD-LAX

13h 20m1 stop

£539Virgin Atlantic

Find Deal

Sun, 17 Aug - Tue, 2 Sep

Delta flights from United States to Northern Ireland

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

Delta

3 Sept

JFK14:19New York John F Kennedy Intl

21h 36m

2 stops

BHD16:55Belfast City

19 Sept

BHD06:30Belfast City

17h 15m

2 stops

JFK18:45New York John F Kennedy Intl

£434

Find similar

Delta

4 Aug

JFK00:50New York John F Kennedy Intl

15h 25m

1 stop

BHD21:15Belfast City

12 Aug

BHD06:30Belfast City

20h 55m

2 stops

JFK22:25New York John F Kennedy Intl

£450

Find similar

Delta

15 Sept

JFK00:50New York John F Kennedy Intl

15h 25m

1 stop

BHD21:15Belfast City

23 Sept

BHD06:30Belfast City

16h 29m

2 stops

JFK17:59New York John F Kennedy Intl

£451

Find similar

Iberia flights from United States to Northern Ireland

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

Iberia

12 Oct

JFK16:50New York John F Kennedy Intl

13h 40m

2 stops

BHD11:30Belfast City

19 Oct

BHD06:50Belfast City

15h 15m

1 stop

JFK17:05New York John F Kennedy Intl

£493

Find similar

Iberia

4 Aug

JFK23:40New York John F Kennedy Intl

16h 05m

2 stops

BHD20:45Belfast City

13 Aug

BHD06:50Belfast City

19h 50m

2 stops

JFK21:40New York John F Kennedy Intl

£613

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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

Wed 24/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Tue 30/9

20:55-15:55

1 stop24h 00m

£329

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 3/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Fri 19/9

06:05-15:55

1 stop14h 50m

£332

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 9/12

18:25-10:30

1 stop11h 05m

Belfast City

Tue 24/2

10:00-17:15

1 stop12h 15m

£394

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 3/9

19:30-11:55

1 stop11h 25m

Belfast City

Fri 19/9

06:35-12:40

1 stop11h 05m

£397

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Mon 18/8

19:00-15:40

2 stops15h 40m

Belfast City

Wed 27/8

10:00-22:30

2 stops17h 30m

£418

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 3/9

14:19-16:55

2 stops21h 36m

Belfast City

Fri 19/9

06:30-18:45

2 stops17h 15m

£434

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Mon 15/9

00:50-21:15

1 stop15h 25m

Belfast City

Tue 23/9

06:30-17:59

2 stops16h 29m

£451

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 21/9

07:00-16:55

2 stops28h 55m

Belfast City

Mon 6/10

17:25-15:25

1 stop27h 00m

£454

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Wed 14/1

08:35-10:15

2 stops17h 40m

Belfast City

Thu 14/5

06:35-18:28

2 stops19h 53m

£518

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 17/8

16:45-21:15

1 stop20h 30m

Belfast City

Tue 2/9

06:30-11:50

1 stop13h 20m

£539

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

Other information

What is the cheapest month to fly to Northern Ireland?

In general, June 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 £506. If you’re not able to fly to Northern Ireland in June, then December is your next best option. Flight prices from United States to Northern Ireland during December average around £536.

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 £556 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 £564 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 13% 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

Best price found	£142
Fastest flight time	9h 35m
Direct flights	None
Airports in Northern Ireland	2 airports

The best one-way flight to Northern Ireland from United States in the past 72 hours is £142. The best return flight deal from United States to Northern Ireland found on momondo in the last 72 hours is £329.

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

There are no direct flights from United States to Northern Ireland. Popular non-direct routes for this connection are New York John F Kennedy Intl Airport - Belfast City Airport, New York John F Kennedy Intl Airport - Belfast Intl Airport and Newark Airport - Belfast Intl Airport.

There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)

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.