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

Delta, Aer Lingus, and British Airways 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.

£169 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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18:05 - 10:05

JFK

BFS

11h 00m1 stop

20:55 - 15:55

BFS

JFK

24h 00m1 stop

£384Multiple Airlines

Tue, 27 Jan - Tue, 3 Feb

20:10 - 14:15

JFK

BHD

14h 05m1 stop

11:30 - 23:05

BHD

JFK

15h 35m1 stop

£393British Airways

Wed, 18 Mar - Fri, 27 Mar

18:30 - 10:15

EWR

BHD

10h 45m1 stop

06:45 - 14:50

BHD

EWR

12h 05m1 stop

£393British Airways

Wed, 4 Mar - Fri, 13 Mar

18:05 - 19:35

JFK

BFS

20h 30m1 stop

06:30 - 15:55

BFS

JFK

14h 25m1 stop

£399Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

18:10 - 13:30

JFK

BHD

14h 20m1 stop

10:00 - 16:59

BHD

JFK

11h 59m1 stop

£422American Airlines

Wed, 29 Apr - Wed, 6 May

19:30 - 09:10

EWR

BHD

9h 40m1 stop

06:35 - 21:00

BHD

EWR

18h 25m2 stops

£437American Airlines

Wed, 11 Mar - Wed, 18 Mar

19:20 - 16:50

EWR

BHD

17h 30m2 stops

06:30 - 18:38

BHD

EWR

16h 08m2 stops

£437KLM

Wed, 11 Mar - Wed, 18 Mar

13:00 - 09:20

LGA

BHD

15h 20m2 stops

09:50 - 19:58

BHD

LGA

15h 08m2 stops

£448Delta

Sun, 5 Apr - Tue, 14 Apr

13:00 - 09:20

LGA

BHD

15h 20m2 stops

17:30 - 17:20

BHD

LGA

28h 50m2 stops

£485Delta

Sun, 5 Apr - Sat, 11 Apr

15:25 - 21:00

HOU

BHD

23h 35m2 stops

17:20 - 22:33

BHD

HOU

35h 13m2 stops

£983Virgin Atlantic

Mon, 29 Dec - Tue, 13 Jan

British Airways flights from United States to Northern Ireland

Our best British Airways deals on United States to Northern Ireland flight tickets

British Airways

18 Mar

JFK20:10New York John F Kennedy Intl

14h 05m

1 stop

BHD14:15Belfast City

27 Mar

BHD11:30Belfast City

15h 35m

1 stop

JFK23:05New York John F Kennedy Intl

£393

Find similar

British Airways

4 Feb

BOS18:55Boston Logan Intl

9h 15m

1 stop

BHD09:10Belfast City

20 Feb

BHD14:50Belfast City

12h 05m

1 stop

BOS21:55Boston Logan Intl

£400

Find similar

British Airways

29 Mar

JFK19:20New York John F Kennedy Intl

14h 20m

1 stop

BHD14:40Belfast City

8 Apr

BHD06:50Belfast City

10h 55m

1 stop

JFK12:45New York John F Kennedy Intl

£405

Find similar

Finnair flights from United States to Northern Ireland

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

Finnair

11 Jan

EWR18:35Newark

14h 20m

1 stop

BHD13:55Belfast City

27 Jan

BHD11:25Belfast City

13h 10m

1 stop

EWR19:35Newark

£575

Find similar

Finnair

23 Dec

EWR18:35Newark

11h 55m

1 stop

BHD11:30Belfast City

7 Jan

BHD11:25Belfast City

13h 10m

1 stop

EWR19:35Newark

£1,765

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

Tue 27/1

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 3/2

20:55-15:55

1 stop24h 00m

£384

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 18/3

20:10-14:15

1 stop14h 05m

Belfast City

Fri 27/3

11:30-23:05

1 stop15h 35m

£393

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 4/3

18:30-10:15

1 stop10h 45m

Belfast City

Fri 13/3

06:45-14:50

1 stop12h 05m

£393

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 28/1

18:05-19:35

1 stop20h 30m

Belfast Intl

Wed 4/2

06:30-15:55

1 stop14h 25m

£399

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 29/4

18:10-13:30

1 stop14h 20m

Belfast City

Wed 6/5

10:00-16:59

1 stop11h 59m

£422

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:30-09:10

1 stop9h 40m

Belfast City

Wed 18/3

06:35-21:00

2 stops18h 25m

£437

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:20-16:50

2 stops17h 30m

Belfast City

Wed 18/3

06:30-18:38

2 stops16h 08m

£437

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Sun 5/4

13:00-09:20

2 stops15h 20m

Belfast City

Tue 14/4

09:50-19:58

2 stops15h 08m

£448

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

Sun 5/4

13:00-09:20

2 stops15h 20m

Belfast City

Sat 11/4

17:30-17:20

2 stops28h 50m

£485

HoustonBelfast

HOU - BHD

HOUBHD

Houston Hobby

Mon 29/12

15:25-21:00

2 stops23h 35m

Belfast City

Tue 13/1

17:20-22:33

2 stops35h 13m

£983

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 £344. 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 £416.

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 £550 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 £558 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

Fastest flight time	9h 15m
Direct flights	None

The fastest flight from United States to Northern Ireland takes 9h 15m

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.