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Cheap flights from the United States to Belfast from £253

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
22 Jan — 29 Jan1
1 adult

Cheap flight deals from USA to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£458

One-way from

£253
British Airways
  • British Airways
  • 3/2-5/2
  • 3 total stops
  • 45h 45m total
  • USA to Belfast
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 14h 20m total
  • USA to Belfast
Search Deals

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 17 January 2025.

Mon 3/218:25BOS - BHD
1 stop20h 50mBritish Airways
Wed 5/219:25BHD - BOS
2 stops24h 55mBritish Airways
Deal found 16/1£458
Mon 3/317:40EWR - BFS
2 stops22h 25mMultiple Airlines
Mon 10/306:30BFS - EWR
2 stops20h 30mMultiple Airlines
Deal found 16/1£475
Mon 3/221:15BOS - BFS
3 stops17h 55mMultiple Airlines
Mon 10/221:05BFS - BOS
2 stops24h 55mMultiple Airlines
Deal found 16/1£482
Mon 3/219:25JFK - BFS
2 stops19h 45mMultiple Airlines
Mon 10/207:25BFS - JFK
2 stops15h 35mMultiple Airlines
Deal found 16/1£493
Mon 3/318:45JFK - BHD
1 stop10h 45mBritish Airways
Fri 14/308:40BHD - JFK
1 stop10h 40mBritish Airways
Deal found 15/1£508
Fri 24/120:20BOS - BHD
1 stop17h 55mFinnair
Fri 31/106:45BHD - BOS
1 stop17h 50mFinnair
Deal found 17/1£515
Mon 3/318:35EWR - BHD
1 stop9h 30mBritish Airways
Fri 14/306:45BHD - EWR
1 stop17h 50mBritish Airways
Deal found 15/1£521
Fri 24/119:36BOS - BHD
2 stops13h 39mAmerican Airlines
Fri 31/106:45BHD - BOS
1 stop11h 40mAmerican Airlines
Deal found 17/1£533
Fri 31/122:55BOS - BHD
2 stops16h 35mMultiple Airlines
Fri 7/207:25BHD - BOS
3 stops17h 40mMultiple Airlines
Deal found 17/1£546
Mon 15/923:10JFK - BHD
2 stops16h 15mMultiple Airlines
Sat 20/911:10BHD - JFK
2 stops16h 00mMultiple Airlines
Deal found 16/1£548
Mon 17/319:50BOS - BHD
2 stops17h 00mDelta
Sun 23/317:20BHD - BOS
1 stop25h 05mDelta
Deal found 16/1£549
Wed 12/223:45JFK - BHD
1 stop14h 25mFinnair
Sun 23/206:30BHD - JFK
1 stop16h 59mFinnair
Deal found 15/1£560

Find flights from USA to Belfast within your budget

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 3/2

18:25-20:15

1 stop20h 50m

Belfast City

Wed 5/2

19:25-15:20

2 stops24h 55m

£458

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 3/3

17:40-21:05

2 stops22h 25m

Belfast Intl

Mon 10/3

06:30-23:00

2 stops20h 30m

£475

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 3/2

21:15-20:10

3 stops17h 55m

Belfast Intl

Mon 10/2

21:05-17:00

2 stops24h 55m

£482

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 3/2

19:25-20:10

2 stops19h 45m

Belfast Intl

Mon 10/2

07:25-18:00

2 stops15h 35m

£493

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Mon 3/3

18:45-10:30

1 stop10h 45m

Belfast City

Fri 14/3

08:40-15:20

1 stop10h 40m

£508

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 31/1

18:25-19:15

1 stop19h 50m

Belfast City

Fri 7/2

06:45-21:55

1 stop20h 10m

£515

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Mon 3/3

18:35-09:05

1 stop9h 30m

Belfast City

Fri 14/3

06:45-20:35

1 stop17h 50m

£521

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 31/1

22:55-20:30

2 stops16h 35m

Belfast City

Fri 7/2

07:25-20:05

3 stops17h 40m

£546

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 17/3

19:50-16:50

2 stops17h 00m

Belfast City

Mon 24/3

06:30-14:25

1 stop11h 55m

£549

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Thu 13/3

20:10-21:00

1 stop20h 50m

Belfast City

Sun 23/3

17:20-14:25

1 stop25h 05m

£558

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 45 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.

Travel insights for flights from USA to Belfast

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

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 17 January 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.

Rainfall in Belfast by month

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

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.

Temperature in Belfast by month

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

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).

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 17 January 2025.
Get a feel of what it's like to fly with British Airways, American Airlines and Finnair from USA to Belfast by reading reviews from past customers. 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.
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,513 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £272 on British Airways. Other airlines that offer cheap prices include American Airlines from £364 and Aer Lingus from £380 one-way.

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

    When deciding which route to take from USA to Belfast consider Boston Logan Intl - Belfast Intl, Boston Logan Intl - Belfast City or Newark - 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 £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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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Portland to Belfast Intl flights

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

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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.

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