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Cheap flights from the United States to Belfast from £160

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
20 Jul — 27 Jul1
1 adult

Cheap flight deals from USA to Belfast

Keep the following information in mind while searching for USA to Belfast flight deals. Data was last updated 15 July 2025.

Round-trip from

£340

One-way from

£160

Popular in

October

Cheapest in

June

Average price

£908
15/9-24/9
  • 15/9-24/9
  • 2 total stops
  • 31h 35m total
  • USA to Belfast
2/8
  • 2/8
  • 1 total stop
  • 32h 50m total
  • USA to Belfast
Highest demand for flights based on searches. 13% potential increase in price (£77 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 July 2025

Find flight deals from USA to Belfast

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 15 July 2025.

Mon 15/918:20JFK - BFS
1 stop14h 30mMultiple Airlines
Wed 24/909:35BFS - JFK
1 stop17h 05mMultiple Airlines
Deal found 14/7£340
Fri 12/918:20JFK - BHD
1 stop11h 15mMultiple Airlines
Wed 24/907:05BHD - JFK
2 stops19h 35mMultiple Airlines
Deal found 14/7£380
Mon 10/1119:25BOS - BHD
1 stop13h 50mBritish Airways
Mon 17/1109:15BHD - BOS
1 stop11h 40mBritish Airways
Deal found 13/7£388
Wed 13/818:10JFK - BHD
1 stop10h 10mBritish Airways
Tue 19/813:40BHD - JFK
1 stop11h 15mBritish Airways
Deal found 13/7£392
Sun 17/800:50JFK - BHD
1 stop15h 25mVirgin Atlantic
Wed 3/917:25BHD - JFK
1 stop27h 00mVirgin Atlantic
Deal found 13/7£399
Sun 3/820:05BOS - BHD
1 stop10h 25mAmerican Airlines
Tue 19/809:35BHD - BOS
1 stop30h 50mAmerican Airlines
Deal found 15/7£402
Mon 18/818:10JFK - BHD
1 stop10h 10mAmerican Airlines
Wed 3/913:50BHD - JFK
1 stop11h 05mAmerican Airlines
Deal found 13/7£403
Sat 13/918:50BWI - BFS
2 stops23h 35mMultiple Airlines
Sun 21/907:00BFS - BWI
2 stops15h 40mMultiple Airlines
Deal found 13/7£403
Sun 7/918:45BOS - BHD
1 stop17h 10mKLM
Tue 16/917:25BHD - BOS
1 stop28h 05mKLM
Deal found 14/7£417
Mon 4/816:50BOS - BHD
1 stop19h 05mVirgin Atlantic
Tue 19/806:40BHD - BOS
1 stop14h 55mVirgin Atlantic
Deal found 13/7£423
Sun 7/920:15BOS - BHD
1 stop15h 40mMultiple Airlines
Wed 17/906:30BHD - BOS
2 stops14h 30mMultiple Airlines
Deal found 14/7£425
Sun 14/900:50JFK - BHD
1 stop11h 05mDelta
Wed 24/917:25BHD - JFK
1 stop25h 05mDelta
Deal found 15/7£435

Cheapflights Fare Finder

Customise your flight search to find flights from USA to Belfast 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 15 July 2025.
Use the filters below to find and compare flights from the United States to Belfast that are best for you.

Fly from

USA

Fly to

Belfast

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 15/9

18:20-13:50

1 stop14h 30m

Belfast Intl

Wed 24/9

09:35-21:40

1 stop17h 05m

£340

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Fri 12/9

18:20-10:35

1 stop11h 15m

Belfast City

Wed 24/9

07:05-21:40

2 stops19h 35m

£380

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 10/11

19:25-14:15

1 stop13h 50m

Belfast City

Mon 17/11

09:15-15:55

1 stop11h 40m

£388

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 13/8

18:10-09:20

1 stop10h 10m

Belfast City

Tue 19/8

13:40-19:55

1 stop11h 15m

£392

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 17/8

00:50-21:15

1 stop15h 25m

Belfast City

Wed 3/9

17:25-15:25

1 stop27h 00m

£399

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 3/8

20:05-11:30

1 stop10h 25m

Belfast City

Tue 19/8

09:35-11:25

1 stop30h 50m

£402

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Mon 18/8

18:10-09:20

1 stop10h 10m

Belfast City

Wed 3/9

13:50-19:55

1 stop11h 05m

£403

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sat 13/9

18:50-23:25

2 stops23h 35m

Belfast Intl

Sun 21/9

07:00-17:40

2 stops15h 40m

£403

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 7/9

18:45-16:55

1 stop17h 10m

Belfast City

Tue 16/9

17:25-16:30

1 stop28h 05m

£417

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 4/8

16:50-16:55

1 stop19h 05m

Belfast City

Tue 19/8

06:40-16:35

1 stop14h 55m

£423

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 43 results
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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.
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

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 £67). Flying from USA to Belfast 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 July 2025.

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.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 15 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from the United States to Belfast. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from USA to Belfast one-way?

    One-way options have recently been found by users for as low as £219 on KLM. Other airlines that offer cheap prices include Delta from £223 and Aer Lingus from £254 one-way.

  • What are the most popular routes from USA to Belfast?

  • 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 £67). Flying from USA to Belfast 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

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

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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.

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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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