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.

£265+ 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 5 September 2026.

Thu 8/1013:00 -

2 stops36h 55m

Mon 12/1015:40 -

2 stops19h 10m

Deal found 31/8£409

Fri 2/1006:05 -

1 stop17h 20m

Sun 11/1020:30 -

1 stop30h 00m

Deal found 2/9£452

Thu 1/1020:40 -

1 stop26h 45m

Wed 14/1020:30 -

1 stop16h 25m

Deal found 4/9£470

Wed 23/907:30 -

2 stops18h 15m

Wed 30/918:30 -

2 stops22h 50m

Deal found 31/8£474

Thu 1/1006:35 -

1 stop21h 39m

Wed 7/1017:30 -

1 stop18h 45m

Deal found 4/9£475

Fri 25/906:05 -

1 stop17h 20m

Sun 11/1020:30 -

1 stop30h 00m

Deal found 31/8£482

Thu 15/1021:05 -

2 stops21h 35m

Mon 19/1021:05 -

2 stops21h 00m

Deal found 4/9£491

Mon 26/1017:30 -

1 stop26h 20m

Sun 8/1119:05 -

1 stop17h 00m

Deal found 4/9£503

Fri 2/1006:05 -

1 stop14h 50m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 31/8£512

Thu 22/1021:10 -

1 stop23h 45m

Fri 23/1018:20 -

1 stop10h 35m

Deal found 3/9£520

Thu 1/1021:10 -

1 stop23h 45m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 3/9£531

Mon 19/1008:40 -

1 stop12h 30m

Tue 27/1020:15 -

2 stops20h 40m

Deal found 1/9£533

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 5 September 2026.

Fri 2/1006:05 -

1 stop17h 20m

Sun 11/1020:30 -

1 stop30h 00m

Deal found 2/9£452

Thu 1/1020:40 -

1 stop26h 45m

Wed 14/1020:30 -

1 stop16h 25m

Deal found 4/9£470

Wed 23/907:30 -

2 stops18h 15m

Wed 30/918:30 -

2 stops22h 50m

Deal found 31/8£474

Thu 1/1006:35 -

1 stop21h 39m

Wed 7/1017:30 -

1 stop18h 45m

Deal found 4/9£475

Fri 25/906:05 -

1 stop17h 20m

Sun 11/1020:30 -

1 stop30h 00m

Deal found 31/8£482

Fri 2/1006:05 -

1 stop14h 50m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 31/8£512

Thu 22/1021:10 -

1 stop23h 45m

Fri 23/1018:20 -

1 stop10h 35m

Deal found 3/9£520

Thu 1/1021:10 -

1 stop23h 45m

Sun 4/1018:20 -

1 stop10h 45m

Deal found 3/9£531

Thu 15/1014:25 -

1 stop13h 15m

Mon 19/1018:30 -

1 stop19h 35m

Deal found 4/9£536

Sat 17/1010:10 -

1 stop15h 35m

Sat 24/1017:30 -

1 stop16h 10m

Deal found 2/9£539

Sat 17/1010:10 -

2 stops32h 05m

Sat 24/1017:45 -

2 stops23h 40m

Deal found 2/9£544

Tue 29/908:20 -

2 stops35h 20m

Tue 6/1015:15 -

2 stops21h 50m

Deal found 1/9£544

Thu 15/1008:20 -

2 stops15h 55m

Mon 19/1020:25 -

2 stops14h 50m

Deal found 4/9£579

Sun 25/1009:25 -

1 stop11h 25m

Sat 31/1023:00 -

1 stop29h 00m

Deal found 2/9£580

Sun 18/1021:10 -

1 stop26h 15m

Sun 25/1020:05 -

1 stop31h 40m

Deal found 3/9£587

Fri 23/1017:05 -

2 stops25h 10m

Fri 30/1019:30 -

2 stops23h 05m

Deal found 1/9£617

Fri 18/921:10 -

2 stops27h 20m

Sun 27/917:30 -

2 stops20h 25m

Deal found 1/9£628

Mon 19/1020:55 -

1 stop26h 30m

Tue 27/1018:40 -

1 stop21h 30m

Deal found 1/9£648

Thu 8/1017:15 -

3 stops28h 30m

Mon 12/1019:00 -

2 stops13h 15m

Deal found 31/8£648

Thu 1/1020:20 -

2 stops28h 10m

Fri 9/1015:05 -

2 stops22h 10m

Deal found 1/9£668

Fri 2/1006:05 -

2 stops17h 55m

Sun 4/1020:25 -

2 stops17h 25m

Deal found 31/8£682

Fri 16/1006:05 -

3 stops24h 17m

Fri 23/1006:50 -

3 stops25h 40m

Deal found 1/9£696

Wed 23/906:15 -

1 stop13h 30m

Wed 30/917:00 -

1 stop15h 45m

Deal found 31/8£701

Tue 29/921:25 -

2 stops26h 50m

Tue 6/1017:00 -

1 stop12h 40m

Deal found 1/9£710

Thu 15/1006:10 -

2 stops22h 30m

Thu 22/1019:00 -

3 stops20h 00m

Deal found 31/8£751

Wed 14/1006:15 -

2 stops19h 10m

Wed 21/1022:40 -

2 stops19h 50m

Deal found 31/8£770

Sat 24/1007:20 -

2 stops21h 20m

Sat 31/1015:35 -

3 stops21h 40m

Deal found 3/9£778

Sat 6/206:00 -

2 stops22h 45m

Thu 11/222:20 -

1 stop26h 45m

Deal found 1/9£789

Thu 1/1006:10 -

2 stops17h 50m

Sun 4/1017:35 -

2 stops15h 15m

Deal found 3/9£798

Mon 19/1006:30 -

3 stops24h 17m

Mon 26/1015:35 -

2 stops22h 40m

Deal found 4/9£798

Find flight deals from Belfast Intl to USA

Round-trip from	£409
One-way from	£265
Popular in	December
Cheapest in	January
Average price	£526

8/10-12/10
4 total stops
56h 05m total
Belfast to USA

Search Deals

24/11-31/12
3 total stops
39h 45m total
Belfast to USA

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£17 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 September 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

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Wed 4/11

21:00-16:29

3 stops48h 29m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£271

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Thu 26/11

06:30-19:05

3 stops41h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£271

BelfastNewark

BFS Belfast Intl - EWR Newark

BFSEWR

Belfast Intl

Wed 4/11

21:00-16:10

3 stops48h 10m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£271

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sat 24/10

20:15-16:55

3 stops49h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£280

BelfastNewark

BFS Belfast Intl - EWR Newark

BFSEWR

Belfast Intl

Wed 25/11

21:00-22:10

3 stops30h 10m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£311

BelfastAtlanta

BFS Belfast Intl - ATL Atlanta Hartsfield-Jackson

BFSATL

Belfast Intl

Wed 11/11

21:00-11:10

2 stops43h 10m

Atlanta Hartsfield-Jackson

Wed 31/12

00:00-06:00

Nonstop0h 00m

£313

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sat 3/10

06:20-15:55

1 stop14h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

BelfastNewark

BFS Belfast Intl - EWR Newark

BFSEWR

Belfast Intl

Sun 4/10

12:45-21:00

2 stops37h 15m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£370

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sun 4/10

12:20-19:20

3 stops36h 00m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£384

BelfastNewark

BFS Belfast Intl - EWR Newark

BFSEWR

Belfast Intl

Sun 20/12

07:50-16:10

2 stops37h 20m

Newark

Wed 31/12

00:00-06:00

Nonstop0h 00m

£386

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 57 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-ATL

BFS-LAX

BFS-LGA

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-ATL

BFS-LAX

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 £444). Flying from Belfast Intl Airport to USA in July is currently the most expensive (average of £847). 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

12,050 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

12,050 reviews

American Airlines

7.1

Good

12,050 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

8,206 reviews

American Airlines

7.1

Good

12,050 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 £444). Flying from Belfast Intl Airport to USA in July is currently the most expensive (average of £847). 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£239	Average£712	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£548	Average£651	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 £265

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. 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 5 September 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 5 September 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 5 September 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 5 September 2026.

Last-minute flights from Belfast Intl to USADiscover last-minute flight deals from Belfast Intl to USA. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to USA. Data last updated 5 September 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 5 September 2026.

Search for one-way flight options from Belfast Intl to USA. Find affordable one-way fares based on user searches. Data last updated 5 September 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 5 September 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 5 September 2026.

Popular flight searches

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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 5 September 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 5 September 2026.

Last-minute flights from Belfast Intl to USA
Discover last-minute flight deals from Belfast Intl to USA. Data last updated 5 September 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 5 September 2026.