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

Aer Lingus, British Airways, and Delta 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 New York to Belfast Intl Airport is 10h 55m on average, while flying from Boston to Belfast Intl Airport is 11h 05m 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.

£264 Cheap Flights from the United States to Northern Ireland in 2026/27

Find the cheapest flights from the United States to Northern Ireland

Return

One-way

Last minute

Recent return flight deals from the United States to Northern Ireland

Enter your travel dates to find the best prices.

16:50 - 10:45IAH Houston George Bush Intcntl-BHD Belfast City

12h 55m1 stop London Heathrow

06:35 - 15:05BHD Belfast City-IAH Houston George Bush Intcntl

13h 30m1 stop London Heathrow

£643British Airways

Sun, 14 Mar - Tue, 23 Mar

23:00 - 18:50MIA Miami-BHD Belfast City

15h 50m1 stop London Heathrow

19:35 - 14:20BHD Belfast City-MIA Miami

23h 45m1 stop London Heathrow

£643British Airways

Sun, 21 Mar - Mon, 29 Mar

16:50 - 13:50IAH Houston George Bush Intcntl-BHD Belfast City

16h 00m1 stop London Heathrow

10:00 - 22:01BHD Belfast City-IAH Houston George Bush Intcntl

17h 01m2 stops London Heathrow Philadelphia

£651British Airways

Sun, 14 Mar - Tue, 23 Mar

17:50 - 16:55MCO Orlando-BHD Belfast City

18h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

18:20 - 17:55BHD Belfast City-MCO Orlando

28h 35m2 stops Manchester Frankfurt am Main

£660Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

12:47 - 11:30IND Indianapolis-BHD Belfast City

17h 43m2 stops New York John F Kennedy Intl London Heathrow

12:20 - 23:03BHD Belfast City-IND Indianapolis

15h 43m2 stops London Heathrow Chicago O'Hare Intl

£663British Airways

Tue, 9 Feb - Wed, 24 Feb

23:00 - 16:50MIA Miami-BHD Belfast City

13h 50m1 stop London Heathrow

19:35 - 19:46BHD Belfast City-MIA Miami

29h 11m2 stops London Heathrow Charlotte Douglas

£664British Airways

Sun, 21 Mar - Mon, 29 Mar

13:37 - 08:50PHL Philadelphia-BHD Belfast City

14h 13m2 stops Toronto Pearson Intl London Heathrow

09:35 - 16:40BHD Belfast City-PHL Philadelphia

12h 05m1 stop London Heathrow

£664British Airways

Mon, 29 Mar - Fri, 2 Apr

19:50 - 16:50IAH Houston George Bush Intcntl-BHD Belfast City

16h 00m2 stops Dallas/Fort Worth London Heathrow

10:00 - 22:01BHD Belfast City-IAH Houston George Bush Intcntl

17h 01m2 stops London Heathrow Philadelphia

£665British Airways

Sun, 14 Mar - Tue, 23 Mar

21:10 - 14:35PIT Pittsburgh-BHD Belfast City

12h 25m1 stop London Heathrow

19:35 - 19:25BHD Belfast City-PIT Pittsburgh

28h 50m1 stop London Heathrow

£667British Airways

Sun, 11 Apr - Mon, 19 Apr

13:37 - 08:50PHL Philadelphia-BHD Belfast City

14h 13m2 stops Toronto Pearson Intl London Heathrow

11:00 - 20:32BHD Belfast City-PHL Philadelphia

14h 32m2 stops London Heathrow Boston Logan Intl

£671British Airways

Mon, 29 Mar - Fri, 2 Apr

Recent last minute flight deals from the United States to Northern Ireland

Enter your travel dates to find the best prices.

19:50 - 16:55DTW Detroit Metropolitan Wayne County-BHD Belfast City

16h 05m2 stops Minneapolis St Paul Amsterdam Schiphol

09:40 - 23:30BHD Belfast City-DTW Detroit Metropolitan Wayne County

18h 50m2 stops Amsterdam Schiphol Minneapolis St Paul

£832Virgin Atlantic

Wed, 21 Oct - Wed, 4 Nov

22:30 - 16:55DTW Detroit Metropolitan Wayne County-BHD Belfast City

13h 25m1 stop Amsterdam Schiphol

09:40 - 23:30BHD Belfast City-DTW Detroit Metropolitan Wayne County

18h 50m2 stops Amsterdam Schiphol Minneapolis St Paul

£833Virgin Atlantic

Wed, 21 Oct - Wed, 4 Nov

22:15 - 15:55PIT Pittsburgh-BHD Belfast City

13h 40m1 stop London Heathrow

15:25 - 19:20BHD Belfast City-PIT Pittsburgh

32h 55m1 stop London Heathrow

£843British Airways

Mon, 26 Oct - Thu, 5 Nov

21:50 - 17:20PIT Pittsburgh-BHD Belfast City

15h 30m2 stops Dublin Manchester

18:20 - 19:20BHD Belfast City-PIT Pittsburgh

30h 00m2 stops Manchester Dublin

£846Aer Lingus

Mon, 26 Oct - Mon, 2 Nov

13:49 - 12:00DTW Detroit Metropolitan Wayne County-BHD Belfast City

17h 11m2 stops Charlotte Douglas London Heathrow

06:35 - 20:40BHD Belfast City-DTW Detroit Metropolitan Wayne County

19h 05m2 stops London Heathrow Chicago O'Hare Intl

£847American Airlines

Wed, 21 Oct - Wed, 4 Nov

22:30 - 16:55DTW Detroit Metropolitan Wayne County-BHD Belfast City

13h 25m1 stop Amsterdam Schiphol

17:15 - 13:02BHD Belfast City-DTW Detroit Metropolitan Wayne County

24h 47m1 stop Amsterdam Schiphol

£848KLM

Wed, 21 Oct - Wed, 4 Nov

12:32 - 09:20DTW Detroit Metropolitan Wayne County-BHD Belfast City

15h 48m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

17:15 - 13:02BHD Belfast City-DTW Detroit Metropolitan Wayne County

24h 47m1 stop Amsterdam Schiphol

£848KLM

Wed, 21 Oct - Wed, 4 Nov

22:15 - 15:55PIT Pittsburgh-BHD Belfast City

13h 40m1 stop London Heathrow

10:00 - 20:49BHD Belfast City-PIT Pittsburgh

15h 49m2 stops London Heathrow Philadelphia

£851British Airways

Mon, 26 Oct - Tue, 3 Nov

22:30 - 16:55DTW Detroit Metropolitan Wayne County-BHD Belfast City

13h 25m1 stop Amsterdam Schiphol

09:40 - 17:48BHD Belfast City-DTW Detroit Metropolitan Wayne County

13h 08m1 stop Amsterdam Schiphol

£851Multiple Airlines

Wed, 21 Oct - Wed, 4 Nov

17:15 - 09:10DTW Detroit Metropolitan Wayne County-BHD Belfast City

11h 55m1 stop Amsterdam Schiphol

17:15 - 13:02BHD Belfast City-DTW Detroit Metropolitan Wayne County

24h 47m1 stop Amsterdam Schiphol

£851KLM

Sun, 25 Oct - Mon, 9 Nov

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Virgin Atlantic flights from United States to Northern Ireland

Our best Virgin Atlantic deals on United States to Northern Ireland flight tickets

Virgin Atlantic

6 Jan

IAH15:25Houston George Bush Intcntl

11h 45m

1 stop

BHD09:10Belfast City

13 Jan

BHD09:40Belfast City

33h 30m

1 stop

IAH13:10Houston George Bush Intcntl

£720

Virgin Atlantic

15 Nov

DTW16:15Detroit Metropolitan Wayne County

11h 55m

1 stop

BHD09:10Belfast City

22 Nov

BHD17:15Belfast City

29h 33m

1 stop

DTW17:48Detroit Metropolitan Wayne County

£752

Virgin Atlantic

15 Nov

DTW20:40Detroit Metropolitan Wayne County

15h 05m

1 stop

BHD16:45Belfast City

22 Nov

BHD17:15Belfast City

32h 58m

2 stops

DTW21:13Detroit Metropolitan Wayne County

£754

KLM flights from United States to Northern Ireland

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

KLM

1 Dec

MCO19:15Orlando

16h 30m

1 stop

BHD16:45Belfast City

8 Dec

BHD17:15Belfast City

28h 50m

1 stop

MCO17:05Orlando

£728

KLM

6 Jan

IAH15:25Houston George Bush Intcntl

19h 25m

1 stop

BHD16:50Belfast City

12 Jan

BHD17:20Belfast City

25h 50m

1 stop

IAH13:10Houston George Bush Intcntl

£738

KLM

6 Jan

IAH15:25Houston George Bush Intcntl

19h 25m

1 stop

BHD16:50Belfast City

14 Jan

BHD09:40Belfast City

29h 06m

2 stops

IAH08:46Houston George Bush Intcntl

£742

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

Cheapest return flight

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sun 14/3

16:50-10:45

1 stop12h 55m

Belfast City

Tue 23/3

06:35-15:05

1 stop13h 30m

£643

MiamiBelfast

MIA Miami - BHD Belfast City

MIABHD

Miami

Sun 21/3

23:00-18:50

1 stop15h 50m

Belfast City

Mon 29/3

19:35-14:20

1 stop23h 45m

£643

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sun 14/3

16:50-13:50

1 stop16h 00m

Belfast City

Tue 23/3

10:00-22:01

2 stops17h 01m

£651

OrlandoBelfast

MCO Orlando - BHD Belfast City

MCOBHD

Orlando

Tue 1/12

17:50-16:55

2 stops18h 05m

Belfast City

Tue 8/12

18:20-17:55

2 stops28h 35m

£660

IndianapolisBelfast

IND Indianapolis - BHD Belfast City

INDBHD

Indianapolis

Tue 9/2

12:47-11:30

2 stops17h 43m

Belfast City

Wed 24/2

12:20-23:03

2 stops15h 43m

£663

MiamiBelfast

MIA Miami - BHD Belfast City

MIABHD

Miami

Sun 21/3

23:00-16:50

1 stop13h 50m

Belfast City

Mon 29/3

19:35-19:46

2 stops29h 11m

£664

Fastest return journey

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 29/3

13:37-08:50

2 stops14h 13m

Belfast City

Fri 2/4

09:35-16:40

1 stop12h 05m

£664

HoustonBelfast

IAH Houston George Bush Intcntl - BHD Belfast City

IAHBHD

Houston George Bush Intcntl

Sun 14/3

19:50-16:50

2 stops16h 00m

Belfast City

Tue 23/3

10:00-22:01

2 stops17h 01m

£665

PittsburghBelfast

PIT Pittsburgh - BHD Belfast City

PITBHD

Pittsburgh

Sun 11/4

21:10-14:35

1 stop12h 25m

Belfast City

Mon 19/4

19:35-19:25

1 stop28h 50m

£667

PhiladelphiaBelfast

PHL Philadelphia - BHD Belfast City

PHLBHD

Philadelphia

Mon 29/3

13:37-08:50

2 stops14h 13m

Belfast City

Fri 2/4

11:00-20:32

2 stops14h 32m

£671

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, January 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 £453. If you’re not able to fly to Northern Ireland in January, then March is your next best option. Flight prices from United States to Northern Ireland during March average around £457.

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

Best price found	£264
Fastest flight time	9h 35m
Direct flights	None

The best one-way flight to Northern Ireland from United States in the past 72 hours is £264. The best return flight deal from United States to Northern Ireland found on momondo in the last 72 hours is £643.

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

Frequently asked questions about flying from the 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.

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.