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

British Airways is the most popular carrier operating from Northern Ireland to United States

Which airlines fly to United States?

British Airways, American Airlines and Aer Lingus are the top three most popular airlines that fly to United States from Northern Ireland according to our data. British Airways is the first choice among our users, with 92% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 3 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Northern Ireland to United States refresh daily.

How many operators does momondo search for flights from Northern Ireland to United States?

The number of operators available for flights from Northern Ireland to United States is 3 as of July 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£263 Cheap Flights from Northern Ireland to the United States in 2026

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Find the cheapest flights from Northern Ireland to the United States

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:10 - 18:25

BFS

MCO

26h 15m

1 stop

20:30 - 15:30

MCO

BFS

14h 00m

1 stop

£473Multiple Airlines

Thu, 27 Aug - Thu, 1 Oct

21:05 - 22:25

BFS

JFK

30h 20m

3 stops

20:30 - 23:20

JFK

BFS

21h 50m

2 stops

£475Multiple Airlines

Mon, 24 Aug - Tue, 8 Sep

14:40 - 14:55

BFS

JFK

29h 15m

2 stops

18:20 - 23:20

JFK

BFS

24h 00m

1 stop

£487Multiple Airlines

Mon, 24 Aug - Tue, 8 Sep

14:40 - 14:55

BFS

JFK

29h 15m

2 stops

18:20 - 23:20

JFK

BFS

24h 00m

1 stop

£488Multiple Airlines

Mon, 24 Aug - Tue, 8 Sep

09:25 - 16:00

BHD

JFK

11h 35m

1 stop

18:15 - 10:20

JFK

BHD

11h 05m

1 stop

£569British Airways

Mon, 2 Nov - Sun, 8 Nov

06:35 - 13:50

BHD

EWR

12h 15m

1 stop

18:30 - 10:20

EWR

BHD

10h 50m

1 stop

£569British Airways

Mon, 2 Nov - Sun, 8 Nov

06:35 - 13:50

BHD

EWR

12h 15m

1 stop

18:30 - 10:20

EWR

BHD

10h 50m

1 stop

£570British Airways

Mon, 2 Nov - Sun, 8 Nov

09:50 - 21:20

BHD

LGA

16h 30m

2 stops

08:59 - 09:20

LGA

BHD

19h 21m

2 stops

£634Delta

Mon, 24 Aug - Tue, 8 Sep

09:50 - 20:30

BHD

LGA

15h 40m

2 stops

08:59 - 09:20

LGA

BHD

19h 21m

2 stops

£637Delta

Mon, 24 Aug - Tue, 8 Sep

09:50 - 20:30

BHD

LGA

15h 40m

2 stops

08:59 - 09:20

LGA

BHD

19h 21m

2 stops

£640Delta

Mon, 24 Aug - Tue, 8 Sep

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British Airways flights from Northern Ireland to United States

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

British Airways

2 Nov

BHD09:25Belfast City

11h 35m

1 stop

JFK16:00New York John F Kennedy Intl

8 Nov

JFK18:15New York John F Kennedy Intl

11h 05m

1 stop

BHD10:20Belfast City

£569

British Airways

2 Nov

BHD06:35Belfast City

12h 15m

1 stop

EWR13:50Newark

8 Nov

EWR18:30Newark

10h 50m

1 stop

BHD10:20Belfast City

£570

British Airways

2 Nov

BHD09:25Belfast City

11h 35m

1 stop

JFK16:00New York John F Kennedy Intl

8 Nov

JFK18:15New York John F Kennedy Intl

11h 05m

1 stop

BHD10:20Belfast City

£570

KLM flights from Northern Ireland to United States

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

KLM

24 Aug

BHD17:30Belfast City

28h 49m

1 stop

JFK17:19New York John F Kennedy Intl

8 Sept

JFK13:15New York John F Kennedy Intl

15h 05m

2 stops

BHD09:20Belfast City

£624

KLM

24 Aug

BHD09:50Belfast City

31h 39m

1 stop

JFK12:29New York John F Kennedy Intl

8 Sept

JFK13:15New York John F Kennedy Intl

15h 05m

2 stops

BHD09:20Belfast City

£627

KLM

21 Nov

BHD09:40Belfast City

14h 40m

1 stop

JFK19:20New York John F Kennedy Intl

27 Nov

JFK14:55New York John F Kennedy Intl

13h 15m

2 stops

BHD09:10Belfast City

£668

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 27/8

21:10-18:25

1 stop26h 15m

Orlando

Thu 1/10

20:30-15:30

1 stop14h 00m

£473

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 24/8

21:05-22:25

3 stops30h 20m

New York John F Kennedy Intl

Tue 8/9

20:30-23:20

2 stops21h 50m

£475

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 24/8

14:40-14:55

2 stops29h 15m

New York John F Kennedy Intl

Tue 8/9

18:20-23:20

1 stop24h 00m

£487

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 24/8

14:40-14:55

2 stops29h 15m

New York John F Kennedy Intl

Tue 8/9

18:20-23:20

1 stop24h 00m

£488

Fastest return journey

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Mon 2/11

09:25-16:00

1 stop11h 35m

New York John F Kennedy Intl

Sun 8/11

18:15-10:20

1 stop11h 05m

£569

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

Mon 2/11

06:35-13:50

1 stop12h 15m

Newark

Sun 8/11

18:30-10:20

1 stop10h 50m

£569

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

Mon 2/11

06:35-13:50

1 stop12h 15m

Newark

Sun 8/11

18:30-10:20

1 stop10h 50m

£570

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Mon 24/8

09:50-21:20

2 stops16h 30m

New York LaGuardia

Tue 8/9

08:59-09:20

2 stops19h 21m

£634

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Mon 24/8

09:50-20:30

2 stops15h 40m

New York LaGuardia

Tue 8/9

08:59-09:20

2 stops19h 21m

£637

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Mon 24/8

09:50-20:30

2 stops15h 40m

New York LaGuardia

Tue 8/9

08:59-09:20

2 stops19h 21m

£640

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 Northern Ireland to United States

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

What is the cheapest month to fly to United States?

The month of November is, on average, the cheapest month to fly to United States from Northern Ireland, with most prices found around £362. If you are unable to visit United States during the month of November, then departing from Northern Ireland during the month January is also very affordable. Most momondo users find prices during this month for around £397.

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

You could potentially save up to 25% on your flight if you consider stops on a Northern Ireland to United States flight.

Cheap Northern Ireland to United States flight deals and tips

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

Fastest flight time	11h 00m
Direct flights	None

The fastest flight from Northern Ireland to United States takes 11h 00m

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

Search flight deals

Frequently asked questions about flying from Northern Ireland to the United States

When did momondo last update prices for flights from Northern Ireland to United States?
Prices for flights from Northern Ireland to United States refresh daily.
How many operators does momondo search for flights from Northern Ireland to United States?
The number of operators available for flights from Northern Ireland to United States is 3 as of July 2026.
How old do you have to be to fly from Northern Ireland to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Northern Ireland to United States

Compare and see reviews for airlines that fly from Northern Ireland to United States with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £413	Free Cancellation	Rating 6.7 8,095 reviews	Search British Airways flights
American Airlines	PriceFrom £562	Free Cancellation	Rating 7.1 11,767 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £1,169	Free Cancellation	Rating 7.3 1,642 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to United States?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United States from Northern Ireland.

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

Yes. momondo allows you to filter the results for Northern Ireland to United States flights to just show those with flexible booking policies.

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

Once you have performed a search for Northern Ireland to United States 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 Northern Ireland to United States right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Northern Ireland and alert you when they change.