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

American Airlines and British Airways are the most popular carriers operating from Belfast to United States

Which airlines fly to United States?

British Airways, Aer Lingus and American Airlines are the top three most popular airlines that fly to United States from Belfast according to our data. British Airways is the first choice among our users, with 88% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 4 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 Belfast to United States?

Prices for flights from Belfast to United States refresh daily.

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

There are 3 operators available for flights from Belfast to United States as of March 2026.

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

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 Belfast 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.

£234 Cheap Flights from Belfast to the United States in 2026

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Find the cheapest flights from Belfast to the United States

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:40 - 13:15

BFS

EWR

26h 35m

2 stops

17:20 - 15:20

EWR

BFS

17h 00m

2 stops

£414Multiple Airlines

Wed, 22 Apr - Wed, 29 Apr

15:40 - 13:15

BFS

EWR

26h 35m

2 stops

17:20 - 15:20

EWR

BFS

17h 00m

2 stops

£418Multiple Airlines

Wed, 22 Apr - Wed, 29 Apr

10:05 - 18:09

BHD

LGA

37h 04m

2 stops

21:29 - 12:55

LGA

BHD

34h 26m

2 stops

£553British Airways

Wed, 22 Apr - Sun, 26 Apr

11:35 - 19:25

BHD

EWR

12h 50m

1 stop

17:20 - 12:55

EWR

BHD

38h 35m

2 stops

£557British Airways

Wed, 22 Apr - Sun, 26 Apr

09:40 - 17:00

BHD

JFK

12h 20m

1 stop

18:30 - 10:45

JFK

BHD

11h 15m

1 stop

£577American Airlines

Tue, 9 Jun - Tue, 23 Jun

06:30 - 13:20

BHD

JFK

11h 50m

1 stop

19:10 - 10:45

JFK

BHD

10h 35m

1 stop

£578American Airlines

Tue, 9 Jun - Tue, 23 Jun

09:50 - 21:20

BHD

LGA

16h 30m

2 stops

12:03 - 09:20

LGA

BHD

16h 17m

2 stops

£600Delta

Thu, 23 Apr - Tue, 12 May

09:50 - 21:20

BHD

LGA

16h 30m

2 stops

11:29 - 09:20

LGA

BHD

16h 51m

2 stops

£603Delta

Thu, 23 Apr - Tue, 12 May

09:50 - 00:06

BHD

MCO

19h 16m

2 stops

19:20 - 16:55

MCO

BHD

16h 35m

2 stops

£629KLM

Mon, 20 Apr - Fri, 15 May

09:50 - 00:06

BHD

MCO

19h 16m

2 stops

19:20 - 16:55

MCO

BHD

16h 35m

2 stops

£641KLM

Mon, 20 Apr - Fri, 15 May

Aer Lingus flights from Belfast to United States

Our best Aer Lingus deals on Belfast to United States flight tickets

Aer Lingus

6 Jul

BHD06:30Belfast City

14h 35m

2 stops

EWR16:05Newark

13 Jul

EWR17:35Newark

16h 55m

2 stops

BHD15:30Belfast City

£756

Aer Lingus

15 May

BHD07:00Belfast City

14h 05m

2 stops

EWR16:05Newark

30 May

EWR17:35Newark

13h 50m

2 stops

BHD12:25Belfast City

£860

Aer Lingus

11 Jul

BHD07:00Belfast City

14h 05m

2 stops

EWR16:05Newark

18 Jul

EWR17:35Newark

13h 50m

2 stops

BHD12:25Belfast City

£890

British Airways flights from Belfast to United States

Our best British Airways deals on Belfast to United States flight tickets

British Airways

22 Apr

BHD11:35Belfast City

12h 50m

1 stop

EWR19:25Newark

26 Apr

EWR17:20Newark

38h 35m

2 stops

BHD12:55Belfast City

£557

British Airways

22 Apr

BHD10:05Belfast City

17h 55m

2 stops

EWR23:00Newark

26 Apr

EWR17:20Newark

38h 35m

2 stops

BHD12:55Belfast City

£558

British Airways

22 Apr

BHD10:05Belfast City

14h 20m

1 stop

EWR19:25Newark

26 Apr

EWR17:20Newark

38h 35m

2 stops

BHD12:55Belfast City

£560

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 22/4

15:40-13:15

2 stops26h 35m

Newark

Wed 29/4

17:20-15:20

2 stops17h 00m

£414

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 22/4

15:40-13:15

2 stops26h 35m

Newark

Wed 29/4

17:20-15:20

2 stops17h 00m

£418

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Wed 22/4

10:05-18:09

2 stops37h 04m

New York LaGuardia

Sun 26/4

21:29-12:55

2 stops34h 26m

£553

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

Wed 22/4

11:35-19:25

1 stop12h 50m

Newark

Sun 26/4

17:20-12:55

2 stops38h 35m

£557

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 9/6

09:40-17:00

1 stop12h 20m

New York John F Kennedy Intl

Tue 23/6

18:30-10:45

1 stop11h 15m

£577

Fastest return journey

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 9/6

06:30-13:20

1 stop11h 50m

New York John F Kennedy Intl

Tue 23/6

19:10-10:45

1 stop10h 35m

£578

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Thu 23/4

09:50-21:20

2 stops16h 30m

New York LaGuardia

Tue 12/5

12:03-09:20

2 stops16h 17m

£600

BelfastNew York

BHD - LGA

BHDLGA

Belfast City

Thu 23/4

09:50-21:20

2 stops16h 30m

New York LaGuardia

Tue 12/5

11:29-09:20

2 stops16h 51m

£603

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Mon 20/4

09:50-00:06

2 stops19h 16m

Orlando

Fri 15/5

19:20-16:55

2 stops16h 35m

£629

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Mon 20/4

09:50-00:06

2 stops19h 16m

Orlando

Fri 15/5

19:20-16:55

2 stops16h 35m

£641

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 Belfast 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 May is, on average, the cheapest month to fly to United States from Belfast, with most prices found around £402. If you are unable to visit United States during the month of May, then departing from Belfast during the month January is also very affordable. Most momondo users find prices during this month for around £428.

Cheap Belfast to United States flight deals and tips

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

Fastest flight time	10h 40m
Direct flights	None

The fastest flight from Belfast to United States takes 10h 40m

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

Search flight deals

When did momondo last update prices for flights from Belfast to United States?
Prices for flights from Belfast to United States refresh daily.
How many operators does momondo search for flights from Belfast to United States?
There are 3 operators available for flights from Belfast to United States as of March 2026.
How old do you have to be to fly from Belfast to United States?
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 Belfast 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 Belfast to United States

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £364	Free Cancellation	Rating 6.7 7,781 reviews	Search British Airways flights
American Airlines	PriceFrom £471	Free Cancellation	Rating 7.1 11,423 reviews	Search American Airlines flights
KLM	PriceFrom £505	Free Cancellation	Rating 7.8 1,470 reviews	Search KLM flights
Aer Lingus	PriceFrom £579	Free Cancellation	Rating 7.2 1,473 reviews	Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find Belfast to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.

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

Yes. All flights to United States from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to United States.

I’m not ready to book a flight from Belfast to United States right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Belfast to United States now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United States and let you know when they change.