How long is the flight from USA to Belfast?

There are many flights that can get you from USA to Belfast in 14h 33m. Fly via Aer Lingus, KLM, or Delta 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 Newark - Belfast Intl, New York John F Kennedy Intl - Belfast Intl or Boston Logan Intl - Belfast Intl 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.

£184+ 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 21 September 2026.

Thu 5/1117:30 -

2 stops23h 25m

Tue 10/1107:05 -

2 stops35h 20m

Deal found 17/9£475

Tue 10/1117:45 -

2 stops21h 40m

Mon 16/1122:05 -

2 stops23h 10m

Deal found 16/9£504

Tue 3/1119:50 -

2 stops20h 05m

Tue 10/1108:35 -

2 stops14h 15m

Deal found 19/9£510

Wed 4/1118:30 -

3 stops21h 25m

Wed 11/1115:25 -

2 stops29h 15m

Deal found 20/9£543

Sun 15/1117:15 -

2 stops22h 15m

Mon 30/1106:20 -

2 stops17h 45m

Deal found 21/9£544

Tue 10/1117:45 -

2 stops19h 20m

Sun 15/1120:40 -

3 stops26h 45m

Deal found 20/9£546

Mon 9/1119:25 -

2 stops16h 20m

Tue 24/1108:05 -

2 stops14h 55m

Deal found 20/9£549

Mon 9/1119:25 -

2 stops16h 10m

Tue 24/1107:00 -

2 stops16h 00m

Deal found 20/9£550

Tue 3/1119:40 -

2 stops20h 15m

Tue 10/1108:35 -

2 stops15h 05m

Deal found 19/9£555

Wed 18/1117:30 -

2 stops15h 35m

Mon 30/1109:55 -

3 stops34h 45m

Deal found 18/9£555

Tue 10/1116:25 -

2 stops24h 05m

Mon 16/1110:15 -

2 stops35h 25m

Deal found 16/9£555

Mon 9/1100:45 -

2 stops27h 55m

Sun 15/1107:30 -

2 stops44h 25m

Deal found 20/9£556

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 21 September 2026.

Thu 5/1117:30 -

2 stops23h 25m

Tue 10/1107:05 -

2 stops35h 20m

Deal found 17/9£475

Tue 10/1117:45 -

2 stops22h 20m

Mon 16/1107:00 -

2 stops14h 15m

Deal found 16/9£605

Tue 10/1113:37 -

2 stops14h 33m

Tue 17/1117:15 -

1 stop25h 58m

Deal found 18/9£620

Sun 15/1120:55 -

1 stop14h 50m

Mon 30/1109:40 -

1 stop33h 40m

Deal found 21/9£621

Mon 9/1110:25 -

2 stops17h 45m

Tue 24/1109:40 -

1 stop14h 40m

Deal found 20/9£646

Sun 24/121:35 -

1 stop11h 15m

Tue 9/206:35 -

1 stop12h 15m

Deal found 18/9£720

Fri 16/1018:10 -

1 stop19h 00m

Fri 23/1012:00 -

1 stop14h 05m

Deal found 16/9£818

Tue 10/1117:45 -

2 stops21h 40m

Mon 16/1122:05 -

2 stops23h 10m

Deal found 16/9£504

Wed 4/1118:30 -

3 stops21h 25m

Wed 11/1115:25 -

2 stops29h 15m

Deal found 20/9£543

Mon 25/118:00 -

2 stops17h 50m

Fri 5/209:40 -

2 stops17h 46m

Deal found 18/9£662

Tue 26/113:00 -

2 stops15h 10m

Fri 5/209:40 -

2 stops17h 04m

Deal found 18/9£662

Mon 9/1119:25 -

2 stops16h 20m

Tue 24/1108:05 -

2 stops14h 55m

Deal found 20/9£549

Fri 5/320:55 -

1 stop14h 55m

Thu 11/309:40 -

2 stops26h 44m

Deal found 16/9£675

Fri 5/313:10 -

2 stops22h 40m

Thu 11/317:20 -

1 stop25h 52m

Deal found 19/9£670

Wed 18/1117:30 -

2 stops15h 35m

Mon 30/1109:55 -

3 stops34h 45m

Deal found 18/9£555

Tue 9/313:59 -

2 stops15h 51m

Fri 12/311:50 -

2 stops16h 36m

Deal found 17/9£740

Tue 10/1117:00 -

1 stop18h 45m

Mon 16/1109:40 -

2 stops20h 19m

Deal found 16/9£687

Thu 5/1112:00 -

2 stops16h 10m

Tue 10/1109:40 -

2 stops28h 50m

Deal found 17/9£693

Tue 10/1116:25 -

2 stops24h 05m

Mon 16/1110:15 -

2 stops35h 25m

Deal found 16/9£555

Fri 6/1117:00 -

1 stop18h 45m

Fri 13/1109:40 -

1 stop14h 40m

Deal found 20/9£681

Thu 15/1017:50 -

1 stop9h 55m

Mon 19/1018:30 -

1 stop29h 55m

Deal found 20/9£753

Tue 26/113:00 -

2 stops15h 10m

Sun 7/209:40 -

2 stops17h 04m

Deal found 18/9£699

Tue 3/1117:30 -

2 stops23h 40m

Tue 10/1115:55 -

2 stops28h 45m

Deal found 19/9£559

Fri 6/1118:30 -

1 stop11h 25m

Fri 13/1113:35 -

1 stop11h 00m

Deal found 20/9£753

Sat 30/122:40 -

1 stop29h 30m

Mon 8/217:20 -

1 stop26h 40m

Deal found 18/9£688

Wed 27/113:00 -

2 stops15h 10m

Sat 6/209:40 -

2 stops17h 04m

Deal found 18/9£699

Wed 7/1016:55 -

2 stops21h 20m

Mon 12/1021:25 -

2 stops21h 15m

Deal found 19/9£559

Fri 16/1015:00 -

2 stops20h 55m

Fri 23/1009:50 -

2 stops17h 35m

Deal found 16/9£693

Fri 6/1115:28 -

2 stops14h 27m

Fri 13/1108:35 -

2 stops17h 54m

Deal found 20/9£762

Wed 27/113:00 -

2 stops15h 10m

Sun 7/209:40 -

2 stops17h 04m

Deal found 18/9£699

Find flight deals from USA to Belfast

Round-trip from	£475
One-way from	£184
Popular in	September
Cheapest in	April
Average price	£1,164

5/11-10/11
4 total stops
58h 45m total
USA to Belfast

Search Deals

19/10-31/12
2 total stops
31h 40m total
USA to Belfast

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£209 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£38 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

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Mon 19/10

00:30-13:10

2 stops31h 40m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£184

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Sat 26/9

17:35-08:50

2 stops34h 15m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£192

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sat 26/9

18:20-07:45

1 stop32h 25m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£205

BostonBelfast

BOS Boston Logan Intl - BFS Belfast Intl

BOSBFS

Boston Logan Intl

Fri 30/10

20:50-22:00

3 stops21h 10m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£209

New YorkBelfast

JFK New York John F Kennedy Intl - BHD Belfast City

JFKBHD

New York John F Kennedy Intl

Sat 26/9

18:20-08:15

1 stop32h 55m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£214

BaltimoreBelfast

BWI Baltimore/Washington - BFS Belfast Intl

BWIBFS

Baltimore/Washington

Mon 26/10

20:40-07:15

2 stops30h 35m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£214

BaltimoreBelfast

BWI Baltimore/Washington - BFS Belfast Intl

BWIBFS

Baltimore/Washington

Mon 12/10

20:30-07:05

2 stops29h 35m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£215

BostonBelfast

BOS Boston Logan Intl - BHD Belfast City

BOSBHD

Boston Logan Intl

Fri 30/10

20:50-16:20

3 stops39h 30m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

NewarkBelfast

EWR Newark - BHD Belfast City

EWRBHD

Newark

Sat 26/9

17:35-09:20

2 stops34h 45m

Belfast City

Wed 31/12

00:00-18:00

Nonstop0h 00m

£224

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 18/1

19:35-20:10

3 stops19h 35m

Belfast Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£236

Flights are sorted by cheapest return flights first.

Deals found on 20/9

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.

EWR-BFS

EWR-BHD

BOS-BHD

JFK-BHD

LGA-BHD

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

EWR-BFS

EWR-BHD

BOS-BHD

JFK-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 £450). Flying from USA to Belfast in August is currently the most expensive (average of £977). 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 14h 33m. Fly via Aer Lingus, KLM, or Delta 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 Newark - Belfast Intl, New York John F Kennedy Intl - Belfast Intl or Boston Logan Intl - Belfast Intl 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 £450). Flying from USA to Belfast in August is currently the most expensive (average of £977). 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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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 £184

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. 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 21 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 21 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 21 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 21 September 2026.

Last-minute flights from USA to BelfastDiscover last-minute flight deals from USA to Belfast. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to Belfast. Data last updated 21 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 21 September 2026.

Search for one-way flight options from USA to Belfast. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

Find flight deals from USA to Belfast

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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 21 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 21 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 21 September 2026.

Last-minute flights from USA to Belfast
Discover last-minute flight deals from USA to Belfast. Data last updated 21 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 21 September 2026.