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 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 June 2026, there are 2 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.

£250 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.

14:50 - 18:25

BFS

MCO

32h 35m

1 stop

20:30 - 12:15

MCO

BFS

34h 45m

1 stop

£415Multiple Airlines

Thu, 10 Sep - Sun, 27 Sep

21:05 - 18:25

BFS

MCO

26h 20m

2 stops

20:30 - 21:55

MCO

BFS

20h 25m

1 stop

£447Multiple Airlines

Thu, 10 Sep - Sun, 27 Sep

19:05 - 18:25

BFS

MCO

28h 20m

1 stop

20:30 - 15:20

MCO

BFS

13h 50m

1 stop

£485Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

22:00 - 18:15

BFS

MCO

25h 15m

2 stops

19:59 - 21:30

MCO

BFS

20h 31m

2 stops

£493Multiple Airlines

Sun, 12 Jul - Sun, 26 Jul

06:10 - 21:45

BFS

BOS

20h 35m

2 stops

20:50 - 22:35

BOS

BFS

20h 45m

2 stops

£548Multiple Airlines

Thu, 16 Jul - Mon, 20 Jul

06:10 - 18:25

BFS

MCO

17h 15m

1 stop

20:30 - 07:40

MCO

BFS

30h 10m

1 stop

£552Multiple Airlines

Wed, 8 Jul - Sun, 19 Jul

21:40 - 20:10

BFS

BOS

27h 30m

2 stops

17:45 - 13:20

BOS

BFS

14h 35m

2 stops

£563Multiple Airlines

Thu, 9 Jul - Tue, 14 Jul

06:40 - 09:50

BFS

BOS

32h 10m

2 stops

12:30 - 18:55

BOS

BFS

25h 25m

2 stops

£565Multiple Airlines

Thu, 27 Aug - Thu, 3 Sep

08:40 - 17:45

BFS

JFK

14h 05m

1 stop

01:00 - 10:00

JFK

BFS

28h 00m

2 stops

£578Multiple Airlines

Mon, 13 Jul - Sun, 26 Jul

07:35 - 12:45

BFS

MCO

34h 10m

2 stops

20:30 - 07:40

MCO

BFS

30h 10m

1 stop

£585Multiple Airlines

Wed, 8 Jul - Sun, 19 Jul

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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

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 10/9

14:50-18:25

1 stop32h 35m

Orlando

Sun 27/9

20:30-12:15

1 stop34h 45m

£415

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 10/9

21:05-18:25

2 stops26h 20m

Orlando

Sun 27/9

20:30-21:55

1 stop20h 25m

£447

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 13/9

19:05-18:25

1 stop28h 20m

Orlando

Sun 20/9

20:30-15:20

1 stop13h 50m

£485

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 12/7

22:00-18:15

2 stops25h 15m

Orlando

Sun 26/7

19:59-21:30

2 stops20h 31m

£493

Fastest return journey

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 16/7

06:10-21:45

2 stops20h 35m

Boston Logan Intl

Mon 20/7

20:50-22:35

2 stops20h 45m

£548

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 8/7

06:10-18:25

1 stop17h 15m

Orlando

Sun 19/7

20:30-07:40

1 stop30h 10m

£552

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 9/7

21:40-20:10

2 stops27h 30m

Boston Logan Intl

Tue 14/7

17:45-13:20

2 stops14h 35m

£563

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 27/8

06:40-09:50

2 stops32h 10m

Boston Logan Intl

Thu 3/9

12:30-18:55

2 stops25h 25m

£565

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 13/7

08:40-17:45

1 stop14h 05m

New York John F Kennedy Intl

Sun 26/7

01:00-10:00

2 stops28h 00m

£578

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 8/7

07:35-12:45

2 stops34h 10m

Orlando

Sun 19/7

20:30-07:40

1 stop30h 10m

£585

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 November is, on average, the cheapest month to fly to United States from Belfast Intl Airport, with most prices found around £360. If you are unable to visit United States during the month of November, then departing from Belfast Intl Airport during the month May is also very affordable. Most momondo users find prices during this month for around £392.

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 45m
Direct flights	None

The fastest flight from Belfast Intl Airport to United States takes 10h 45m

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

Frequently asked questions about flying from Belfast Intl Airport to the United States

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 June 2026, there are 2 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 £394	Free Cancellation	Rating 6.7 8,052 reviews	Search British Airways flights
American Airlines	PriceFrom £559	Free Cancellation	Rating 7.1 11,665 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £1,163	Free Cancellation	Rating 7.3 1,604 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.