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 Belfast Intl Airport according to our data. British Airways is the first choice among our users, with 89% 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.

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

As of March 2026, there are 3 operators available to choose from for flights from Belfast Intl Airport to United States.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to United States.

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

The travel and health documents you'll need for your trip to United States 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 United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£259 Cheap Flights from Belfast Intl Airport to United States in 2026

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Find the cheapest flights from Belfast Intl Airport 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 - 20:40

EWR

BFS

22h 20m

3 stops

£497Multiple Airlines

Wed, 6 May - Sat, 9 May

07:30 - 13:15

BFS

EWR

34h 45m

2 stops

17:45 - 20:40

EWR

BFS

21h 55m

2 stops

£498Multiple Airlines

Wed, 6 May - Sat, 9 May

17:05 - 15:40

BFS

JFK

27h 35m

2 stops

18:55 - 21:15

JFK

BFS

21h 20m

2 stops

£501Multiple Airlines

Fri, 8 May - Fri, 15 May

21:35 - 15:55

BFS

JFK

23h 20m

1 stop

18:20 - 07:45

JFK

BFS

32h 25m

1 stop

£504Multiple Airlines

Wed, 6 May - Sat, 9 May

15:40 - 15:40

BFS

JFK

29h 00m

2 stops

17:10 - 20:40

JFK

BFS

22h 30m

2 stops

£516Multiple Airlines

Wed, 6 May - Sat, 9 May

15:40 - 13:15

BFS

EWR

26h 35m

2 stops

17:15 - 23:05

EWR

BFS

24h 50m

2 stops

£522Multiple Airlines

Wed, 15 Apr - Tue, 21 Apr

18:50 - 15:55

BFS

JFK

26h 05m

1 stop

18:20 - 23:20

JFK

BFS

24h 00m

1 stop

£525Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

20:10 - 22:30

BFS

JFK

31h 20m

2 stops

18:20 - 19:50

JFK

BFS

20h 30m

2 stops

£526Multiple Airlines

Wed, 15 Apr - Tue, 21 Apr

07:35 - 13:15

BFS

EWR

34h 40m

3 stops

17:20 - 15:15

EWR

BFS

16h 55m

2 stops

£527Multiple Airlines

Tue, 12 May - Tue, 19 May

08:00 - 13:15

BFS

EWR

34h 15m

3 stops

17:20 - 15:15

EWR

BFS

16h 55m

2 stops

£534Multiple Airlines

Tue, 12 May - Tue, 19 May

momondo Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 6/5

15:40-13:15

2 stops26h 35m

Newark

Sat 9/5

17:20-20:40

3 stops22h 20m

£497

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 6/5

07:30-13:15

2 stops34h 45m

Newark

Sat 9/5

17:45-20:40

2 stops21h 55m

£498

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Fri 8/5

17:05-15:40

2 stops27h 35m

New York John F Kennedy Intl

Fri 15/5

18:55-21:15

2 stops21h 20m

£501

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 6/5

21:35-15:55

1 stop23h 20m

New York John F Kennedy Intl

Sat 9/5

18:20-07:45

1 stop32h 25m

£504

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 6/5

15:40-15:40

2 stops29h 00m

New York John F Kennedy Intl

Sat 9/5

17:10-20:40

2 stops22h 30m

£516

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 15/4

15:40-13:15

2 stops26h 35m

Newark

Tue 21/4

17:15-23:05

2 stops24h 50m

£522

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 1/6

18:50-15:55

1 stop26h 05m

New York John F Kennedy Intl

Mon 8/6

18:20-23:20

1 stop24h 00m

£525

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 15/4

20:10-22:30

2 stops31h 20m

New York John F Kennedy Intl

Tue 21/4

18:20-19:50

2 stops20h 30m

£526

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 12/5

07:35-13:15

3 stops34h 40m

Newark

Tue 19/5

17:20-15:15

2 stops16h 55m

£527

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 12/5

08:00-13:15

3 stops34h 15m

Newark

Tue 19/5

17:20-15:15

2 stops16h 55m

£534

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 Intl Airport 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 Intl Airport, with most prices found around £408. If you are unable to visit United States during the month of May, then departing from Belfast Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around £433.

Cheap Belfast Intl Airport to United States flight deals and tips

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

Fastest flight time	11h 00m
Direct flights	None

The fastest flight from Belfast Intl Airport to United States takes 11h 00m

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

Search flight deals

When did momondo last update prices for flights from Belfast Intl Airport to United States?
Prices for flights from Belfast Intl Airport to United States refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to United States?
As of March 2026, there are 3 operators available to choose from for flights from Belfast Intl Airport to United States.
How old do you have to be to fly from Belfast Intl Airport to United States?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States 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 United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast Intl Airport to United States

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £378	Free Cancellation	Rating 6.7 7,834 reviews	Search British Airways flights
American Airlines	PriceFrom £478	Free Cancellation	Rating 7.1 11,525 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £1,177	Free Cancellation	Rating 7.2 1,493 reviews	Search Aer Lingus flights

Why use momondo?

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

Finding the right flight to United States from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.

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

All flight searches from Belfast to United States on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to United States from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Belfast to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.