In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from Belfast Intl Airport to USA?

The most popular flight routes from Belfast Intl Airport to USA are Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Orlando and Belfast Intl - Newark.

What is the cheapest time of day to fly from BFS to US?

When flying from Belfast Intl Airport to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Belfast Intl to USA that include hotel bookings?

Yes. In addition to deals on Belfast Intl to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast Intl to USA?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to USA.

Can I find deals for business class flights from Belfast Intl to USA?

Yes. Cheapflights offers flight deals from Belfast Intl to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£146+ Cheap Flights from Belfast Intl Airport to the United States

Cheap flight deals from Belfast Intl to USA

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to USA
Explore the most affordable flight options available from Belfast Intl to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Tue 6/1006:15 -

2 stops20h 50m

Tue 13/1023:10 -

2 stops16h 55m

Deal found 22/8£437

Thu 1/1021:10 -

1 stop26h 15m

Tue 20/1020:30 -

1 stop30h 10m

Deal found 20/8£444

Thu 1/1020:20 -

1 stop24h 35m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 20/8£445

Thu 1/1020:20 -

1 stop24h 35m

Tue 20/1018:20 -

1 stop10h 35m

Deal found 23/8£469

Sun 20/907:00 -

1 stop16h 25m

Mon 5/1020:30 -

1 stop21h 50m

Deal found 20/8£469

Fri 4/1206:30 -

2 stops16h 30m

Tue 8/1219:25 -

2 stops21h 05m

Deal found 21/8£472

Fri 4/1206:30 -

2 stops16h 55m

Tue 8/1219:35 -

2 stops20h 55m

Deal found 21/8£472

Thu 3/912:45 -

2 stops37h 15m

Sun 6/923:00 -

1 stop14h 25m

Deal found 21/8£474

Wed 2/907:30 -

2 stops42h 30m

Sun 6/923:00 -

1 stop14h 25m

Deal found 21/8£479

Tue 13/1007:00 -

1 stop15h 50m

Tue 20/1016:30 -

2 stops17h 45m

Deal found 24/8£480

Wed 7/1008:10 -

2 stops35h 35m

Wed 14/1017:00 -

2 stops24h 20m

Deal found 23/8£491

Tue 13/1021:25 -

2 stops23h 40m

Tue 20/1017:35 -

2 stops16h 40m

Deal found 23/8£499

Best flights from Belfast Intl to USA
Discover carefully curated flight deals from Belfast Intl to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Tue 12/114:15 -

1 stop29h 35m

Tue 26/116:50 -

1 stop12h 15m

Deal found 22/8£419

Wed 13/106:25 -

1 stop13h 25m

Wed 20/116:50 -

1 stop12h 15m

Deal found 24/8£434

Tue 6/1006:15 -

2 stops20h 50m

Tue 13/1023:10 -

2 stops16h 55m

Deal found 22/8£437

Thu 1/1021:10 -

1 stop26h 15m

Tue 20/1020:30 -

1 stop30h 10m

Deal found 20/8£444

Thu 1/1020:20 -

1 stop24h 35m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 20/8£445

Thu 1/1020:20 -

1 stop24h 35m

Tue 20/1018:20 -

1 stop10h 35m

Deal found 23/8£469

Tue 13/1007:00 -

2 stops17h 15m

Tue 20/1018:30 -

2 stops15h 45m

Deal found 24/8£485

Wed 7/1008:10 -

2 stops35h 35m

Wed 14/1017:00 -

2 stops24h 20m

Deal found 23/8£491

Wed 7/1008:10 -

1 stop14h 35m

Wed 14/1020:01 -

1 stop20h 04m

Deal found 23/8£504

Mon 5/1008:40 -

2 stops18h 45m

Fri 16/1021:05 -

2 stops18h 55m

Deal found 24/8£504

Fri 11/906:05 -

2 stops21h 00m

Tue 15/923:10 -

2 stops19h 10m

Deal found 21/8£515

Mon 5/1006:10 -

1 stop17h 15m

Mon 12/1020:30 -

1 stop32h 25m

Deal found 22/8£518

Thu 1/1021:35 -

2 stops23h 30m

Tue 20/1017:35 -

2 stops16h 40m

Deal found 23/8£532

Mon 19/1021:25 -

2 stops22h 30m

Thu 22/1020:50 -

2 stops17h 30m

Deal found 21/8£532

Wed 7/1006:10 -

1 stop17h 15m

Wed 14/1020:30 -

1 stop30h 25m

Deal found 24/8£538

Thu 1/1006:40 -

2 stops35h 35m

Sun 4/1017:15 -

2 stops22h 40m

Deal found 20/8£543

Mon 21/907:00 -

1 stop16h 25m

Wed 7/1020:30 -

1 stop16h 25m

Deal found 19/8£545

Wed 7/1006:15 -

2 stops18h 21m

Wed 14/1015:30 -

2 stops17h 15m

Deal found 23/8£546

Fri 11/922:10 -

2 stops22h 55m

Tue 15/917:35 -

2 stops16h 40m

Deal found 21/8£549

Thu 1/1021:35 -

2 stops22h 24m

Tue 20/1016:00 -

2 stops18h 15m

Deal found 23/8£568

Sun 4/1009:35 -

2 stops35h 00m

Sun 11/1017:40 -

2 stops24h 55m

Deal found 20/8£581

Thu 8/1021:10 -

1 stop26h 15m

Thu 15/1020:30 -

1 stop32h 25m

Deal found 24/8£593

Sun 20/909:55 -

1 stop13h 30m

Mon 5/1020:30 -

2 stops21h 35m

Deal found 20/8£606

Thu 15/1008:10 -

2 stops20h 30m

Sun 25/1015:35 -

2 stops22h 50m

Deal found 24/8£613

Wed 7/1006:10 -

2 stops18h 45m

Wed 14/1023:00 -

3 stops16h 15m

Deal found 24/8£614

Wed 7/1021:35 -

2 stops26h 10m

Wed 14/1021:30 -

2 stops18h 00m

Deal found 23/8£632

Sat 26/906:20 -

2 stops20h 06m

Mon 5/1023:00 -

2 stops16h 40m

Deal found 21/8£633

Fri 11/906:05 -

2 stops18h 20m

Thu 24/916:40 -

2 stops14h 10m

Deal found 23/8£636

Mon 5/1006:10 -

2 stops17h 07m

Fri 16/1017:35 -

3 stops15h 40m

Deal found 24/8£642

Fri 11/906:05 -

3 stops19h 50m

Tue 15/916:55 -

3 stops17h 20m

Deal found 21/8£642

Find flight deals from Belfast Intl to USA

Round-trip from	£419
One-way from	£146
Popular in	December
Cheapest in	January
Average price	£583

12/1-26/1
2 total stops
41h 50m total
Belfast to USA

Search Deals

21/9
2 total stops
48h 00m total
Belfast to USA

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights 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

BelfastOrlando

BFS Belfast Intl - MCO Orlando

BFSMCO

Belfast Intl

Tue 12/1

14:15-14:50

1 stop29h 35m

Orlando

Tue 26/1

16:50-10:05

1 stop12h 15m

£419

Fastest return journey

BelfastOrlando

BFS Belfast Intl - MCO Orlando

BFSMCO

Belfast Intl

Wed 13/1

06:25-14:50

1 stop13h 25m

Orlando

Wed 20/1

16:50-10:05

1 stop12h 15m

£434

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Tue 6/10

06:15-22:05

2 stops20h 50m

New York John F Kennedy Intl

Tue 13/10

23:10-21:05

2 stops16h 55m

£437

BelfastOrlando

BFS Belfast Intl - MCO Orlando

BFSMCO

Belfast Intl

Thu 1/10

21:10-18:25

1 stop26h 15m

Orlando

Tue 20/10

20:30-07:40

1 stop30h 10m

£444

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Thu 1/10

20:20-15:55

1 stop24h 35m

New York John F Kennedy Intl

Sun 4/10

18:20-10:05

1 stop10h 45m

£445

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Thu 1/10

20:20-15:55

1 stop24h 35m

New York John F Kennedy Intl

Tue 20/10

18:20-09:55

1 stop10h 35m

£469

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Tue 13/10

07:00-19:15

2 stops17h 15m

New York John F Kennedy Intl

Tue 20/10

18:30-15:15

2 stops15h 45m

£485

BelfastNewark

BFS Belfast Intl - EWR Newark

BFSEWR

Belfast Intl

Wed 7/10

08:10-14:45

2 stops35h 35m

Newark

Wed 14/10

17:00-22:20

2 stops24h 20m

£491

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Wed 7/10

08:10-17:45

1 stop14h 35m

New York John F Kennedy Intl

Wed 14/10

20:01-21:05

1 stop20h 04m

£504

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Mon 5/10

08:40-22:25

2 stops18h 45m

New York John F Kennedy Intl

Fri 16/10

21:05-21:00

2 stops18h 55m

£504

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 58 resultsSorted by cheapest first

...

Best time to book a flight from Belfast Intl to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast Intl with our price prediction graph.

BFS-JFK

BFS-EWR

BFS-LGA

BFS-MCO

BFS-SEA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to the United States

BFS-US0

BFS-JFK

BFS-EWR

BFS-LGA

BFS-MCO

What is the cheapest month to book a flight from Belfast Intl Airport to USA?

Currently, February is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £495). Flying from Belfast Intl Airport to USA in June is currently the most expensive (average of £1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing USA

Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.1

Good

11,991 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

American Airlines

7.1

Good

11,991 reviews

American Airlines

7.1

Good

11,991 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

British Airways

6.7

Okay

8,188 reviews

American Airlines

7.1

Good

11,991 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Related info for your journey

What are the most popular routes from Belfast Intl Airport to USA?
The most popular flight routes from Belfast Intl Airport to USA are Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Orlando and Belfast Intl - Newark.
Can I find deals for flights from Belfast Intl to USA that include hotel bookings?
Yes. In addition to deals on Belfast Intl to USA flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to USA.
Can I find deals for business class flights from Belfast Intl to USA?
Yes. Cheapflights offers flight deals from Belfast Intl to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Belfast Intl Airport to USA?
Currently, February is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £495). Flying from Belfast Intl Airport to USA in June is currently the most expensive (average of £1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast Intl to USA

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£237	Average£696	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£544	Average£646	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to USA?

When you search for this flight from Belfast Intl to USA, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to USA?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to USA.

Can Cheapflights find flights from Belfast Intl to USA with no change fees?

Certainly. Search results for flights to USA from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast Intl to USA become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Belfast Intl today and book when prices fit your budget.

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Cheap flights from Belfast Intl Airport to the United States from £146

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to USA

Cheapest flights from Belfast Intl to USAExplore the most affordable flight options available from Belfast Intl to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Explore the most affordable flight options available from Belfast Intl to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Best flights from Belfast Intl to USADiscover carefully curated flight deals from Belfast Intl to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Discover carefully curated flight deals from Belfast Intl to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Last-minute flights from Belfast Intl to USADiscover last-minute flight deals from Belfast Intl to USA. Data last updated 25 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to USA. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Belfast Intl to USASearch for one-way flight options from Belfast Intl to USA. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Search for one-way flight options from Belfast Intl to USA. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Find flight deals from Belfast Intl to USA

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast Intl with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Belfast Intl Airport to USA?

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 25 August 2026.

Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the most popular routes from Belfast Intl Airport to USA?

Can I find deals for flights from Belfast Intl to USA that include hotel bookings?

How can I find direct flights from Belfast Intl to USA?

Can I find deals for business class flights from Belfast Intl to USA?

What is the cheapest month to book a flight from Belfast Intl Airport to USA?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to USA

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to USA by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Belfast Intl to USA by cabin class

Find flights from Belfast Intl to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and USA flights

Browse other Belfast Intl and USA flight options. Last updated on 25 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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Top 2 airlines flying from Belfast Intl to USA

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to USA?

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to USA?

Can Cheapflights find flights from Belfast Intl to USA with no change fees?

Can Cheapflights notify me if prices for flights from Belfast Intl to USA become cheaper?

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Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to USA
Explore the most affordable flight options available from Belfast Intl to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2026.

Best flights from Belfast Intl to USA
Discover carefully curated flight deals from Belfast Intl to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2026.

Last-minute flights from Belfast Intl to USA
Discover last-minute flight deals from Belfast Intl to USA. Data last updated 25 August 2026 and is based on user searches.

One-way flights from Belfast Intl to USA
Search for one-way flight options from Belfast Intl to USA. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.