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 Intl Airport according to our data. British Airways is the first choice among our users, with 90% 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 February 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.

£294 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.

06:30 - 18:25

BFS

EWR

16h 55m

2 stops

20:35 - 21:10

EWR

BFS

20h 35m

2 stops

£383Multiple Airlines

Wed, 4 Mar - Mon, 9 Mar

06:30 - 19:25

BFS

EWR

16h 55m

2 stops

20:35 - 21:50

EWR

BFS

21h 15m

2 stops

£413Multiple Airlines

Thu, 12 Mar - Tue, 17 Mar

06:15 - 13:25

BFS

JFK

35h 10m

2 stops

23:00 - 21:50

JFK

BFS

18h 50m

2 stops

£427Multiple Airlines

Thu, 12 Mar - Tue, 17 Mar

18:50 - 21:05

BFS

JFK

30h 15m

3 stops

18:20 - 09:55

JFK

BFS

10h 35m

1 stop

£456Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

08:35 - 15:55

BFS

JFK

12h 20m

1 stop

18:55 - 21:10

JFK

BFS

22h 15m

1 stop

£462Multiple Airlines

Wed, 4 Mar - Mon, 9 Mar

18:50 - 21:05

BFS

JFK

30h 15m

3 stops

18:20 - 23:05

JFK

BFS

23h 45m

2 stops

£467Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

06:15 - 23:10

BFS

EWR

44h 55m

3 stops

01:15 - 07:55

EWR

BFS

26h 40m

2 stops

£469Multiple Airlines

Thu, 12 Mar - Mon, 16 Mar

20:50 - 20:55

BFS

BOS

28h 05m

3 stops

20:50 - 12:45

BOS

BFS

11h 55m

2 stops

£484Multiple Airlines

Mon, 9 Mar - Tue, 17 Mar

06:15 - 23:10

BFS

EWR

44h 55m

3 stops

00:55 - 07:55

EWR

BFS

27h 00m

3 stops

£486Multiple Airlines

Thu, 12 Mar - Mon, 16 Mar

08:35 - 16:55

BFS

JFK

12h 20m

1 stop

18:20 - 09:55

JFK

BFS

10h 35m

1 stop

£489Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

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

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 4/3

06:30-18:25

2 stops16h 55m

Newark

Mon 9/3

20:35-21:10

2 stops20h 35m

£383

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 12/3

06:30-19:25

2 stops16h 55m

Newark

Tue 17/3

20:35-21:50

2 stops21h 15m

£413

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 12/3

06:15-13:25

2 stops35h 10m

New York John F Kennedy Intl

Tue 17/3

23:00-21:50

2 stops18h 50m

£427

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 23/3

18:50-21:05

3 stops30h 15m

New York John F Kennedy Intl

Mon 30/3

18:20-09:55

1 stop10h 35m

£456

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 4/3

08:35-15:55

1 stop12h 20m

New York John F Kennedy Intl

Mon 9/3

18:55-21:10

1 stop22h 15m

£462

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 23/3

18:50-21:05

3 stops30h 15m

New York John F Kennedy Intl

Mon 30/3

18:20-23:05

2 stops23h 45m

£467

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 12/3

06:15-23:10

3 stops44h 55m

Newark

Mon 16/3

01:15-07:55

2 stops26h 40m

£469

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Mon 9/3

20:50-20:55

3 stops28h 05m

Boston Logan Intl

Tue 17/3

20:50-12:45

2 stops11h 55m

£484

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 12/3

06:15-23:10

3 stops44h 55m

Newark

Mon 16/3

00:55-07:55

3 stops27h 00m

£486

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 23/3

08:35-16:55

1 stop12h 20m

New York John F Kennedy Intl

Mon 30/3

18:20-09:55

1 stop10h 35m

£489

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 £397. If you are unable to visit United States during the month of May, then departing from Belfast Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around £430.

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	10h 40m
Direct flights	None

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

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 February 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 £362	Free Cancellation	Rating 6.7 7,723 reviews	Search British Airways flights
American Airlines	PriceFrom £465	Free Cancellation	Rating 7.2 11,258 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £571	Free Cancellation	Rating 7.2 1,447 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.