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 91% 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 December 2025, 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.

£283 Cheap Flights from Belfast Intl Airport to United States in 2025/26

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Find the cheapest flights from Belfast Intl Airport to the United States

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 18:40

BFS

MCO

17h 10m1 stop

20:55 - 10:05

MCO

BFS

32h 10m1 stop

£369Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

06:30 - 18:40

BFS

MCO

17h 10m1 stop

20:55 - 10:05

MCO

BFS

32h 10m1 stop

£377Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

08:20 - 18:00

BFS

JFK

14h 40m2 stops

19:25 - 22:20

JFK

BFS

21h 55m2 stops

£410Multiple Airlines

Wed, 14 Jan - Thu, 22 Jan

08:20 - 18:25

BFS

EWR

15h 05m2 stops

19:35 - 22:20

EWR

BFS

21h 45m2 stops

£410Multiple Airlines

Wed, 14 Jan - Thu, 22 Jan

20:55 - 15:55

BFS

JFK

24h 00m1 stop

18:05 - 10:05

JFK

BFS

11h 00m1 stop

£419Multiple Airlines

Tue, 27 Jan - Tue, 3 Feb

21:25 - 18:40

BFS

MCO

26h 15m2 stops

20:55 - 22:20

MCO

BFS

20h 25m1 stop

£431Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

08:55 - 22:05

BFS

EWR

42h 10m2 stops

01:35 - 09:40

EWR

BFS

27h 05m2 stops

£443Multiple Airlines

Sun, 11 Jan - Sat, 17 Jan

21:25 - 18:40

BFS

MCO

26h 15m2 stops

20:55 - 22:20

MCO

BFS

20h 25m1 stop

£447Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

06:30 - 17:50

BFS

BOS

16h 20m2 stops

19:50 - 17:55

BOS

BFS

17h 05m2 stops

£452Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

05:45 - 15:30

BFS

EWR

38h 45m3 stops

01:35 - 07:25

EWR

BFS

24h 50m2 stops

£462Multiple Airlines

Sun, 11 Jan - Sat, 17 Jan

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

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 22/1

06:30-18:40

1 stop17h 10m

Orlando

Thu 29/1

20:55-10:05

1 stop32h 10m

£369

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 22/1

06:30-18:40

1 stop17h 10m

Orlando

Thu 29/1

20:55-10:05

1 stop32h 10m

£377

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 14/1

08:20-18:00

2 stops14h 40m

New York John F Kennedy Intl

Thu 22/1

19:25-22:20

2 stops21h 55m

£410

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 14/1

08:20-18:25

2 stops15h 05m

Newark

Thu 22/1

19:35-22:20

2 stops21h 45m

£410

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 27/1

20:55-15:55

1 stop24h 00m

New York John F Kennedy Intl

Tue 3/2

18:05-10:05

1 stop11h 00m

£419

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 22/1

21:25-18:40

2 stops26h 15m

Orlando

Thu 29/1

20:55-22:20

1 stop20h 25m

£431

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sun 11/1

08:55-22:05

2 stops42h 10m

Newark

Sat 17/1

01:35-09:40

2 stops27h 05m

£443

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 22/1

21:25-18:40

2 stops26h 15m

Orlando

Thu 29/1

20:55-22:20

1 stop20h 25m

£447

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Wed 28/1

06:30-17:50

2 stops16h 20m

Boston Logan Intl

Wed 4/2

19:50-17:55

2 stops17h 05m

£452

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sun 11/1

05:45-15:30

3 stops38h 45m

Newark

Sat 17/1

01:35-07:25

2 stops24h 50m

£462

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 £405. 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 £419.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Belfast Intl Airport. The lowest ticket price found for a Wednesday departure recently was £424. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Belfast Intl Airport to United States for around £527.

What is the cheapest time of day to depart on your flight to United States?

Our most recent data shows that the best time of day to fly to United States is at midday. Flights from Belfast Intl Airport to United States during this time can be as low as £452. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £561 on average. Flights to United States from Belfast Intl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 35m
Direct flights	None

The fastest flight from Belfast Intl Airport to United States takes 10h 35m

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 December 2025, 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 £369	Free Cancellation	Rating 6.7 7,578 reviews	Search British Airways flights
American Airlines	PriceFrom £418	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £601	Free Cancellation	Rating 7.2 1,392 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.