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Cheap flights from the United States to Belfast Intl Airport from £197

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
26 2월 — 5 3월1
1 adult

Cheap flight deals from USA to Belfast Intl

Keep the following information in mind while searching for USA to Belfast Intl flight deals. Data was last updated 21 2월 2025.

Round-trip from

£402

One-way from

£197

Popular in

October

Cheapest in

August

Average price

£584
7/4-23/4
  • 7/4-23/4
  • 2 total stops
  • 44h 55m total
  • USA to Belfast
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23/3
  • 23/3
  • 1 total stop
  • 10h 50m total
  • USA to Belfast
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£97 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Find flight deals from USA to Belfast Intl

Cheapest flights from USA to Belfast Intl
Explore the most affordable flight options available from USA to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 2월 2025.

월 7/418:20JFK - BFS
1 stop21h 05mMultiple Airlines
수 23/421:05BFS - JFK
1 stop23h 50mMultiple Airlines
Deal found 20/2£402
목 27/319:20BOS - BFS
2 stops19h 35mMultiple Airlines
월 31/319:10BFS - BOS
2 stops27h 40mMultiple Airlines
Deal found 20/2£468
월 7/419:30ORD - BFS
2 stops19h 25mMultiple Airlines
월 14/408:10BFS - ORD
2 stops16h 10mMultiple Airlines
Deal found 21/2£509
목 20/315:40EWR - BFS
2 stops26h 25mMultiple Airlines
목 27/317:45BFS - EWR
2 stops30h 18mMultiple Airlines
Deal found 20/2£562
일 6/418:50BWI - BFS
2 stops22h 30mMultiple Airlines
일 13/423:30BFS - BWI
3 stops23h 10mMultiple Airlines
Deal found 20/2£580
일 6/420:30IAD - BFS
2 stops20h 00mMultiple Airlines
일 13/423:30BFS - IAD
3 stops24h 50mMultiple Airlines
Deal found 21/2£673
토 5/406:00PHL - BFS
2 stops35h 25mMultiple Airlines
토 12/413:05BFS - PHL
2 stops39h 44mMultiple Airlines
Deal found 20/2£684
일 6/414:15SEA - BFS
2 stops24h 05mMultiple Airlines
일 13/411:00BFS - SEA
2 stops33h 25mMultiple Airlines
Deal found 20/2£688
목 6/315:35LGA - BFS
2 stops17h 15mMultiple Airlines
금 7/321:20BFS - LGA
2 stops30h 13mMultiple Airlines
Deal found 19/2£725
일 6/406:59DCA - BFS
2 stops32h 21mMultiple Airlines
일 13/414:55BFS - DCA
3 stops46h 58mMultiple Airlines
Deal found 20/2£903

Find flights from USA to Belfast Intl within your budget

Customise your flight search to find flights from USA 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 21 2월 2025.

Fly from

USA

Fly to

Belfast Intl

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

월 7/4

18:20-20:25

1 stop21h 05m

Belfast Intl

수 23/4

21:05-15:55

1 stop23h 50m

£402

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

목 27/3

19:20-18:55

2 stops19h 35m

Belfast Intl

월 31/3

19:10-17:50

2 stops27h 40m

£468

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

월 7/4

19:30-20:55

2 stops19h 25m

Belfast Intl

월 14/4

08:10-18:20

2 stops16h 10m

£509

NewarkBelfast

EWR - BFS

EWRBFS

Newark

목 20/3

15:40-22:05

2 stops26h 25m

Belfast Intl

목 27/3

17:45-20:03

2 stops30h 18m

£562

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

일 6/4

18:50-22:20

2 stops22h 30m

Belfast Intl

일 13/4

23:30-17:40

3 stops23h 10m

£580

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

일 6/4

20:30-21:30

2 stops20h 00m

Belfast Intl

일 13/4

23:30-19:20

3 stops24h 50m

£673

PhiladelphiaBelfast

PHL - BFS

PHLBFS

Philadelphia

토 5/4

06:00-22:25

2 stops35h 25m

Belfast Intl

토 12/4

13:05-23:49

2 stops39h 44m

£684

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

일 6/4

14:15-22:20

2 stops24h 05m

Belfast Intl

일 13/4

11:00-12:25

2 stops33h 25m

£688

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

목 6/3

15:35-13:50

2 stops17h 15m

Belfast Intl

금 7/3

21:20-22:33

2 stops30h 13m

£725

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

일 6/4

06:59-20:20

2 stops32h 21m

Belfast Intl

일 13/4

14:55-08:53

3 stops46h 58m

£903

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 16 results
1
2

Best time to book a flight from USA to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from USA 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.

Travel insights for flights from USA to Belfast Intl

Get recent, data-driven insights about flights from USA to Belfast Intl including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £67). Flying from USA 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 US to BFS?

Find hourly flight availability from USA 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 21 2월 2025.

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

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 USA 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 USA to Belfast Intl Airport?

    The most popular route from USA to Belfast Intl Airport is Seattle/Tacoma Intl - Belfast Intl. You may also consider New York John F Kennedy Intl - Belfast Intl or Chicago O'Hare Intl - Belfast Intl.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £67). Flying from USA 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Armagh
Newry
Ballymena
Dungannon
Cookstown

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Alternative routes for USA to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Belfast Intl flights
Boston to Belfast Intl flights
John F Kennedy Intl to Belfast Intl flights
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Boston to Belfast City flights
LaGuardia to Belfast City flights
Dallas/Fort Worth to Belfast Intl flights
Seattle to Belfast City flights
Los Angeles to Belfast Intl flights
Los Angeles to Belfast City flights
Philadelphia to Belfast City flights
Raleigh to Belfast City flights
Hobby to Belfast City flights
Austin to Belfast Intl flights
George Bush Intcntl to Belfast Intl flights
George Bush Intcntl to Belfast City flights
Vancouver Intl to Belfast Intl flights
San Francisco to Belfast Intl flights
Minneapolis to Belfast Intl flights
Denver to Belfast Intl flights
Denver to Belfast City flights
San Francisco to Belfast City flights

Fly with Cheapflights

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

Cheapflights makes it easy to find USA to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from USA to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from USA to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from USA to Belfast Intl 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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