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Cheap flights from the United States to Belfast from £141

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
15 יולי — 22 יולי1
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 10 יולי 2025.

Round-trip from

£349

One-way from

£141

Popular in

October

Cheapest in

June

Average price

£899
17/9-29/9
  • 17/9-29/9
  • 2 total stops
  • 46h 15m total
  • USA to Belfast
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10/12
  • 10/12
  • 1 total stop
  • 11h 00m total
  • USA to Belfast
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£76 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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 10 יולי 2025.

ד' 17/916:30LAX - BFS
1 stop31h 20mMultiple Airlines
ב' 29/906:10BFS - LAX
1 stop14h 55mMultiple Airlines
Deal found 8/7£349
ד' 1/1018:20JFK - BHD
1 stop15h 45mMultiple Airlines
ג' 14/1007:05BHD - JFK
1 stop13h 50mMultiple Airlines
Deal found 8/7£350
ד' 22/1018:20JFK - BFS
1 stop10h 35mMultiple Airlines
ד' 5/1120:50BFS - JFK
1 stop24h 05mMultiple Airlines
Deal found 8/7£352
ב' 6/1022:55JFK - BHD
1 stop11h 45mBritish Airways
ו' 17/1006:35BHD - JFK
1 stop11h 05mBritish Airways
Deal found 8/7£386
ד' 27/820:10BOS - BHD
1 stop12h 20mBritish Airways
ד' 3/906:50BHD - BOS
2 stops18h 00mBritish Airways
Deal found 9/7£394
ד' 1/1014:35JFK - BHD
2 stops21h 20mDelta
ג' 14/1006:30BHD - JFK
1 stop17h 35mDelta
Deal found 8/7£418
א' 10/820:10BOS - BHD
1 stop13h 30mAmerican Airlines
ה' 14/816:20BHD - BOS
1 stop24h 05mAmerican Airlines
Deal found 8/7£419
ג' 23/918:35BOS - BHD
2 stops21h 40mDelta
ג' 30/906:30BHD - BOS
2 stops17h 35mDelta
Deal found 8/7£425
א' 3/800:50JFK - BHD
1 stop15h 25mKLM
ג' 12/817:25BHD - JFK
1 stop25h 00mKLM
Deal found 9/7£433
ד' 22/1017:28LGA - BHD
2 stops13h 27mBritish Airways
ד' 5/1111:25BHD - LGA
2 stops16h 05mBritish Airways
Deal found 8/7£433
ב' 11/817:30BOS - BFS
2 stops12h 50mMultiple Airlines
ג' 26/821:25BFS - BOS
2 stops26h 20mMultiple Airlines
Deal found 8/7£453
ב' 1/923:00EWR - BFS
2 stops17h 55mMultiple Airlines
ש' 6/912:55BFS - EWR
1 stop13h 05mMultiple Airlines
Deal found 9/7£465

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 10 יולי 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

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

ד' 17/9

16:30-07:50

1 stop31h 20m

Belfast Intl

ב' 29/9

06:10-13:05

1 stop14h 55m

£349

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

ד' 1/10

18:20-15:05

1 stop15h 45m

Belfast City

ג' 14/10

07:05-15:55

1 stop13h 50m

£350

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

ד' 22/10

18:20-09:55

1 stop10h 35m

Belfast Intl

ד' 5/11

20:50-15:55

1 stop24h 05m

£352

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

ב' 6/10

22:55-15:40

1 stop11h 45m

Belfast City

ו' 17/10

06:35-12:40

1 stop11h 05m

£386

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

ד' 27/8

20:10-13:30

1 stop12h 20m

Belfast City

ד' 3/9

06:50-19:50

2 stops18h 00m

£394

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

ד' 1/10

14:35-16:55

2 stops21h 20m

Belfast City

ג' 14/10

06:30-19:05

1 stop17h 35m

£418

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

א' 10/8

20:10-14:40

1 stop13h 30m

Belfast City

ה' 14/8

16:20-11:25

1 stop24h 05m

£419

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

ג' 23/9

18:35-21:15

2 stops21h 40m

Belfast City

ג' 30/9

06:30-19:05

2 stops17h 35m

£425

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

א' 3/8

00:50-21:15

1 stop15h 25m

Belfast City

ג' 12/8

17:25-13:25

1 stop25h 00m

£433

New YorkBelfast

LGA - BHD

LGABHD

New York LaGuardia

ד' 22/10

17:28-11:55

2 stops13h 27m

Belfast City

ד' 5/11

11:25-22:30

2 stops16h 05m

£433

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 39 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 10 יולי 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 10 יולי 2025.
Read reviews from past customers who have flown with Delta, KLM, andAir France 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.
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Delta
8.0
Very Good
7,954 reviews
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
KLM
7.8
Good
1,370 reviews
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Air France
7.5
Good
1,468 reviews
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Virgin Atlantic
7.4
Good
653 reviews
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,954 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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 £195 on British Airways. Other airlines that offer cheap prices include Delta from £218 and Air France from £372 one-way.

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

    When deciding which route to take from USA to Belfast consider New York John F Kennedy Intl - Belfast Intl, New York John F Kennedy 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

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.
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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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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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