How long is the flight from USA to Belfast?

There are many flights that can get you from USA to Belfast in 11h 05m. Fly via KLM, British Airways, or Aer Lingus to get the fastest option. USA and Belfast are separated by a distance of 2981 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from USA to Belfast?

When deciding which route to take from USA to Belfast consider New York John F Kennedy Intl - Belfast Intl, Newark - Belfast Intl or New York John F Kennedy Intl - Belfast City as they are the most popular.

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

When flying from USA to Belfast, 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 USA to Belfast that include hotel bookings?

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

How can I find direct flights from USA to Belfast?

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

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

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

£153+ Cheap Flights from the United States to Belfast

Cheap flight deals from USA to Belfast

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from USA to Belfast
Explore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Thu 22/1018:20 -

1 stop20h 00m

Thu 29/1020:05 -

1 stop24h 50m

Deal found 7/9£468

Sun 20/923:00 -

1 stop14h 25m

Mon 5/1017:15 -

2 stops58h 10m

Deal found 9/9£501

Sat 24/1018:20 -

1 stop10h 35m

Thu 29/1020:05 -

1 stop24h 50m

Deal found 6/9£504

Sat 24/1018:20 -

1 stop10h 35m

Sat 31/1017:40 -

1 stop27h 15m

Deal found 9/9£505

Tue 6/1018:20 -

1 stop24h 00m

Tue 27/1008:20 -

2 stops37h 20m

Deal found 8/9£508

Wed 23/916:55 -

2 stops19h 50m

Sat 21/1118:20 -

3 stops30h 45m

Deal found 9/9£518

Tue 6/1018:20 -

1 stop14h 40m

Sat 10/1006:20 -

1 stop14h 35m

Deal found 6/9£528

Tue 13/1021:50 -

1 stop12h 30m

Tue 20/1012:40 -

1 stop12h 25m

Deal found 7/9£530

Thu 26/1118:30 -

2 stops21h 25m

Tue 1/1207:05 -

2 stops16h 15m

Deal found 10/9£534

Mon 23/1118:05 -

1 stop18h 50m

Mon 30/1117:55 -

1 stop27h 00m

Deal found 10/9£544

Mon 26/1018:55 -

1 stop11h 45m

Fri 30/1009:25 -

1 stop11h 30m

Deal found 6/9£550

Sun 20/918:20 -

1 stop10h 45m

Mon 5/1020:55 -

1 stop24h 00m

Deal found 9/9£551

Best flights from USA to Belfast
Discover carefully curated flight deals from USA to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Thu 22/1018:20 -

1 stop20h 00m

Thu 29/1020:05 -

1 stop24h 50m

Deal found 7/9£468

Wed 25/1119:25 -

1 stop16h 20m

Wed 2/1209:40 -

1 stop14h 21m

Deal found 9/9£618

Tue 24/1118:45 -

1 stop11h 05m

Mon 30/1117:35 -

1 stop25h 45m

Deal found 8/9£681

Wed 7/1017:25 -

2 stops16h 35m

Wed 14/1007:00 -

2 stops12h 55m

Deal found 7/9£681

Mon 26/1018:59 -

2 stops17h 46m

Mon 2/1109:40 -

2 stops19h 00m

Deal found 11/9£688

Fri 20/1121:20 -

1 stop14h 25m

Mon 30/1117:20 -

1 stop23h 04m

Deal found 10/9£729

Mon 22/218:05 -

1 stop11h 35m

Sun 28/209:25 -

1 stop11h 30m

Deal found 8/9£522

Mon 22/218:05 -

1 stop10h 40m

Sun 28/207:30 -

1 stop13h 25m

Deal found 8/9£522

Mon 23/1118:05 -

1 stop18h 50m

Mon 30/1117:55 -

1 stop27h 00m

Deal found 10/9£544

Thu 15/1009:10 -

2 stops19h 10m

Mon 19/1009:50 -

1 stop11h 46m

Deal found 10/9£696

Thu 5/1112:57 -

2 stops15h 13m

Sun 8/1117:15 -

1 stop23h 05m

Deal found 10/9£717

Sat 24/1018:20 -

1 stop15h 15m

Sat 31/1019:05 -

2 stops47h 20m

Deal found 10/9£556

Wed 21/1017:30 -

2 stops15h 05m

Mon 26/1009:25 -

2 stops15h 48m

Deal found 10/9£748

Fri 20/1117:00 -

1 stop11h 10m

Sat 28/1109:40 -

1 stop14h 40m

Deal found 9/9£773

Thu 5/1112:57 -

2 stops15h 13m

Sun 8/1109:40 -

2 stops15h 20m

Deal found 10/9£725

Mon 26/1018:55 -

1 stop10h 50m

Fri 30/1007:20 -

2 stops37h 35m

Deal found 6/9£557

Sun 25/1018:40 -

2 stops13h 20m

Fri 30/1008:35 -

1 stop16h 00m

Deal found 6/9£820

Fri 19/218:30 -

1 stop11h 25m

Thu 25/206:30 -

1 stop12h 20m

Deal found 8/9£749

Fri 27/1118:30 -

2 stops20h 10m

Tue 1/1220:55 -

3 stops26h 25m

Deal found 10/9£560

Thu 25/221:35 -

1 stop10h 10m

Mon 1/319:40 -

1 stop23h 10m

Deal found 8/9£749

Mon 5/1013:15 -

2 stops15h 05m

Mon 12/1009:50 -

1 stop12h 15m

Deal found 11/9£768

Sat 24/1018:35 -

2 stops13h 25m

Thu 29/1020:00 -

1 stop28h 35m

Deal found 6/9£846

Wed 25/1121:30 -

1 stop10h 45m

Mon 30/1114:50 -

1 stop28h 30m

Deal found 6/9£751

Fri 9/1018:20 -

1 stop10h 35m

Mon 12/1020:55 -

1 stop24h 00m

Deal found 7/9£564

Tue 23/216:00 -

2 stops19h 50m

Wed 3/317:20 -

2 stops29h 07m

Deal found 8/9£769

Fri 25/916:55 -

2 stops17h 05m

Sun 4/1007:00 -

2 stops17h 20m

Deal found 7/9£849

Sat 30/118:05 -

1 stop15h 40m

Sat 6/217:50 -

1 stop27h 05m

Deal found 10/9£564

Thu 11/214:20 -

2 stops15h 35m

Tue 16/206:35 -

1 stop12h 15m

Deal found 11/9£757

Wed 24/211:30 -

2 stops16h 40m

Tue 2/317:20 -

2 stops29h 07m

Deal found 8/9£769

Sun 25/1020:35 -

3 stops20h 00m

Sun 1/1119:45 -

3 stops27h 40m

Deal found 10/9£567

Find flight deals from USA to Belfast

Round-trip from	£468
One-way from	£153
Popular in	September
Cheapest in	April
Average price	£1,154

22/10-29/10
2 total stops
44h 50m total
USA to Belfast

Search Deals

4/10-31/12
1 total stop
14h 25m total
USA to Belfast

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£206 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£37 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 the United States to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 5/10

23:00-23:10

3 stops19h 10m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£204

New YorkBelfast

JFK New York John F Kennedy Intl - BHD Belfast City

JFKBHD

New York John F Kennedy Intl

Wed 23/9

16:55-15:00

2 stops17h 05m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£209

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Tue 20/10

23:10-16:20

2 stops12h 10m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£217

PhiladelphiaBelfast

PHL Philadelphia - BFS Belfast Intl

PHLBFS

Philadelphia

Mon 19/10

05:15-07:30

2 stops45h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£217

PhiladelphiaBelfast

PHL Philadelphia - BFS Belfast Intl

PHLBFS

Philadelphia

Sun 4/10

07:15-07:30

2 stops43h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£223

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Tue 6/10

18:20-13:25

2 stops14h 05m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£225

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Thu 22/10

22:55-23:00

3 stops19h 05m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£229

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Tue 20/10

19:30-19:50

3 stops19h 20m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£232

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Wed 7/10

23:00-11:50

2 stops31h 50m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£235

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 27/9

22:25-07:05

2 stops50h 40m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£236

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from USA to Belfast

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

JFK-BFS

EWR-BFS

JFK-BHD

BOS-BHD

ORD-BFS

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 the United States to Belfast

US0-BF1

JFK-BFS

EWR-BFS

JFK-BHD

BOS-BHD

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

Currently, January is the cheapest month in which you can book a flight from USA to Belfast (average of £446). Flying from USA to Belfast in August is currently the most expensive (average of £968). 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.

Related info for your journey

How long is the flight from USA to Belfast?
There are many flights that can get you from USA to Belfast in 11h 05m. Fly via KLM, British Airways, or Aer Lingus to get the fastest option. USA and Belfast are separated by a distance of 2981 mi. This flight may include one or multiple stops.
What are the most popular routes from USA to Belfast?
When deciding which route to take from USA to Belfast consider New York John F Kennedy Intl - Belfast Intl, Newark - Belfast Intl or New York John F Kennedy Intl - Belfast City as they are the most popular.
Can I find deals for flights from USA to Belfast that include hotel bookings?
Yes. In addition to deals on USA to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from USA to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Belfast.
Can I find deals for business class flights from USA to Belfast?
Yes. Cheapflights offers flight deals from USA to Belfast 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 USA to Belfast?
Currently, January is the cheapest month in which you can book a flight from USA to Belfast (average of £446). Flying from USA to Belfast in August is currently the most expensive (average of £968). 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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Alternative routes for USA to Belfast

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O'Hare Intl to Belfast Intl flights

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Los Angeles to Belfast City flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from USA to Belfast for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Belfast from USA 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 USA to Belfast become cheaper?

Of course! You can now track prices for flights from USA to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from the United States to Belfast from £153

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from USA to Belfast

Cheapest flights from USA to BelfastExplore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Explore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from USA to BelfastDiscover carefully curated flight deals from USA to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from USA to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from USA to BelfastDiscover last-minute flight deals from USA to Belfast. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to Belfast. Data last updated 12 September 2026 and is based on user searches.

One-way flights from USA to BelfastSearch for one-way flight options from USA to Belfast. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from USA to Belfast. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from USA to Belfast

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Popular in

Cheapest in

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Cheapflights Fare Finder

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

Best time to book a flight from USA to Belfast

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

Cheapflights Insights

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

Related info for your journey

How long is the flight from USA to Belfast?

What are the most popular routes from USA to Belfast?

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

How can I find direct flights from USA to Belfast?

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

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

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 USA to Belfast

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

Complete your trip

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

Direct flights to Northern Ireland

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

Search flights from USA to Belfast by cabin class

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

USA and Belfast flights

Browse other USA and Belfast flight options. Last updated on 12 September 2026.

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Consider these flights travelling from USA to Belfast.

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

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

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

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Cheapest flights from USA to Belfast
Explore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from USA to Belfast
Discover carefully curated flight deals from USA to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from USA to Belfast
Discover last-minute flight deals from USA to Belfast. Data last updated 12 September 2026 and is based on user searches.

One-way flights from USA to Belfast
Search for one-way flight options from USA to Belfast. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.