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Cheap flights from North America to Belfast Intl Airport from £145

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
18 Jun — 25 Jun1
1 adult

Cheap flight deals from North America to Belfast Intl

Keep the following information in mind while searching for North America to Belfast Intl flight deals. Data was last updated 13 June 2025.

Round-trip from

£368

One-way from

£145

Popular in

October

Cheapest in

June

Average price

£508
16/9-22/9
  • 16/9-22/9
  • 2 total stops
  • 34h 35m total
  • North America to Belfast
20/7
  • 20/7
  • 1 total stop
  • 32h 20m total
  • North America to Belfast
Highest demand for flights based on searches. 13% potential increase in price (£76 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from North America to Belfast Intl

Cheapest flights from North America to Belfast Intl
Explore the most affordable flight options available from North America to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 16/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
Mon 22/920:55BFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 10/6£368
Wed 9/722:15YYZ - BFS
1 stop19h 55mMultiple Airlines
Wed 16/721:10BFS - YYZ
1 stop22h 00mMultiple Airlines
Deal found 11/6£412
Sun 27/720:25EWR - BFS
2 stops20h 05mMultiple Airlines
Sun 3/806:50BFS - EWR
2 stops17h 20mMultiple Airlines
Deal found 12/6£495
Sun 21/906:00LGA - BFS
2 stops33h 20mMultiple Airlines
Sun 28/918:40BFS - LGA
2 stops32h 25mMultiple Airlines
Deal found 11/6£511
Fri 5/907:15BOS - BFS
1 stop11h 15mMultiple Airlines
Sat 6/921:30BFS - BOS
2 stops52h 45mMultiple Airlines
Deal found 10/6£511
Wed 8/1018:50BWI - BFS
2 stops23h 20mMultiple Airlines
Sun 12/1007:00BFS - BWI
2 stops15h 40mMultiple Airlines
Deal found 11/6£514
Sun 27/719:25ORD - BFS
2 stops20h 05mMultiple Airlines
Sun 3/806:50BFS - ORD
2 stops20h 25mMultiple Airlines
Deal found 12/6£567
Wed 23/723:15IAD - BFS
2 stops18h 00mMultiple Airlines
Sun 27/706:45BFS - IAD
3 stops43h 19mMultiple Airlines
Deal found 12/6£642
Sun 27/710:47STL - BFS
3 stops27h 33mMultiple Airlines
Sun 3/822:55BFS - STL
2 stops26h 50mMultiple Airlines
Deal found 12/6£874
Sat 14/607:30ATL - BFS
3 stops34h 25mMultiple Airlines
Fri 20/606:05BFS - ATL
3 stops32h 10mMultiple Airlines
Deal found 12/6£1,052

Cheapflights Fare Finder

Customise your flight search to find flights from North America to Belfast Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from North America to Belfast Intl Airport that are best for you.

Fly from

North America

Fly to

Belfast Intl

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 16/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Mon 22/9

20:55-15:55

1 stop24h 00m

£368

TorontoBelfast

YYZ - BFS

YYZBFS

Toronto Pearson Intl

Wed 9/7

22:15-23:10

1 stop19h 55m

Belfast Intl

Wed 16/7

21:10-14:10

1 stop22h 00m

£412

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 28/7

07:25-07:50

2 stops19h 25m

Belfast Intl

Mon 4/8

17:05-20:10

2 stops32h 05m

£492

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 27/7

20:25-21:30

2 stops20h 05m

Belfast Intl

Sun 3/8

06:50-19:10

2 stops17h 20m

£495

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Sun 21/9

06:00-20:20

2 stops33h 20m

Belfast Intl

Sun 28/9

18:40-22:05

2 stops32h 25m

£511

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Wed 8/10

18:50-23:10

2 stops23h 20m

Belfast Intl

Sun 12/10

07:00-17:40

2 stops15h 40m

£514

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 27/7

19:25-21:30

2 stops20h 05m

Belfast Intl

Sun 3/8

06:50-21:15

2 stops20h 25m

£567

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 23/7

23:15-22:15

2 stops18h 00m

Belfast Intl

Sun 27/7

06:45-21:04

3 stops43h 19m

£642

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

Sun 27/7

10:47-20:20

3 stops27h 33m

Belfast Intl

Sun 3/8

22:55-19:45

2 stops26h 50m

£874

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 20/7

18:20-07:40

1 stop32h 20m

£145

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 16 results
1
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Best time to book a flight from North America to Belfast Intl

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

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

Currently, January is the cheapest month in which you can book a flight from North America to Belfast Intl Airport (average of £67). Flying from North America to Belfast Intl Airport in July is currently the most expensive (average of £90). 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.

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

Find hourly flight availability from North America to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North America to Belfast Intl Airport as you normally would.

Rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast Intl Airport 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 Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast Intl Airport, 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).

Related info for your journey

Find useful and relevant information for your journey from North America to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from North America to Belfast Intl Airport?

  • Can I find deals for flights from North America to Belfast Intl that include hotel bookings?

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

  • How can I find direct flights from North America to Belfast Intl?

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

  • Can I find deals for business class flights from North America to Belfast Intl?

    Yes. Cheapflights offers flight deals from North America to Belfast Intl 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 North America to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from North America to Belfast Intl Airport (average of £67). Flying from North America to Belfast Intl Airport in July is currently the most expensive (average of £90). 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

Travelling to a place near North America?

Book flights to North America if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for North America to Belfast Intl

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

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

Deals for North America to Belfast Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Certainly. Search results for flights to Belfast Intl from North America 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 North America to Belfast Intl become cheaper?

Yes! Start tracking prices for North America to Belfast Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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