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Cheap flights from Belfast to the United States from £257

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to USA

Keep the following information in mind while searching for Belfast to USA flight deals. Data was last updated 27 November 2025.

Round-trip from

£342

One-way from

£257

Popular in

December

Cheapest in

May

Average price

£489
11/1-26/1
  • 11/1-26/1
  • 2 total stops
  • 45h 15m total
  • Belfast to USA
Search Deals
15/2
  • 15/2
  • 3 total stops
  • 38h 50m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Belfast to USA

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to USA
Explore the most affordable flight options available from Belfast to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Mon 1/1215:00BFS - JFK
2 stops29h 45mMultiple Airlines
Sun 7/1217:30JFK - BFS
2 stops22h 45mMultiple Airlines
Deal found 24/11£596
Mon 22/1206:55BFS - JFK
3 stops42h 10mMultiple Airlines
Sun 28/1200:30JFK - BFS
2 stops26h 40mMultiple Airlines
Deal found 23/11£684
Mon 1/1214:15BFS - JFK
2 stops27h 50mMultiple Airlines
Thu 4/1219:25JFK - BFS
3 stops23h 20mMultiple Airlines
Deal found 24/11£805
Wed 26/1118:25BFS - MIA
3 stops31h 30mMultiple Airlines
Sun 7/1216:35MIA - BFS
2 stops24h 50mMultiple Airlines
Deal found 25/11£846
Mon 1/1214:15BHD - JFK
1 stop30h 40mMultiple Airlines
Thu 4/1217:00JFK - BHD
2 stops21h 55mMultiple Airlines
Deal found 24/11£901
Thu 27/1107:05BFS - MIA
2 stops18h 50mMultiple Airlines
Sun 7/1217:15MIA - BFS
2 stops22h 00mMultiple Airlines
Deal found 25/11£905
Sun 21/1217:20BHD - JFK
1 stop27h 25mKLM
Sun 28/1221:20JFK - BHD
1 stop18h 40mKLM
Deal found 26/11£924
Sun 21/1218:00BHD - JFK
2 stops27h 50mAer Lingus
Sun 28/1222:00JFK - BHD
2 stops14h 25mAer Lingus
Deal found 26/11£1,020
Sun 21/1212:10BHD - JFK
1 stop13h 55mBritish Airways
Sun 28/1221:10JFK - BHD
2 stops11h 55mBritish Airways
Deal found 26/11£1,048
Fri 19/1207:00BFS - MIA
2 stops17h 20mMultiple Airlines
Sun 21/1219:05MIA - BFS
2 stops18h 50mMultiple Airlines
Deal found 25/11£1,058
Tue 30/1218:00BHD - JFK
2 stops26h 40mMultiple Airlines
Fri 2/109:45JFK - BHD
3 stops26h 05mMultiple Airlines
Deal found 25/11£1,117
Wed 24/1206:30BHD - HOU
2 stops33h 31mDelta
Tue 6/111:09HOU - BHD
2 stops23h 41mDelta
Deal found 25/11£1,177

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to USA 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 27 November 2025.
Use the filters below to find and compare flights from Belfast to the United States that are best for you.

Fly from

Belfast

Fly to

USA

Route

Depart

Return

Price

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Sun 11/1

20:45-15:55

1 stop24h 10m

New York John F Kennedy Intl

Mon 26/1

18:05-10:05

1 stop11h 00m

£344

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 12/1

06:30-15:55

1 stop14h 25m

New York John F Kennedy Intl

Mon 26/1

18:05-10:05

1 stop11h 00m

£354

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 20/1

06:30-15:55

1 stop14h 25m

New York John F Kennedy Intl

Mon 26/1

18:05-20:10

1 stop21h 05m

£362

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 5/2

09:05-16:00

1 stop11h 55m

New York John F Kennedy Intl

Wed 11/2

21:35-14:15

1 stop11h 40m

£376

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 3/2

14:15-15:55

1 stop30h 40m

New York John F Kennedy Intl

Wed 11/2

18:05-13:35

1 stop14h 30m

£409

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Mon 2/2

08:00-17:20

1 stop14h 20m

New York John F Kennedy Intl

Thu 5/2

19:05-16:20

1 stop16h 15m

£438

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 9/1

14:50-21:05

1 stop11h 15m

New York John F Kennedy Intl

Fri 16/1

23:20-17:15

1 stop12h 55m

£445

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 2/2

09:40-19:05

3 stops38h 25m

New York John F Kennedy Intl

Thu 5/2

22:00-22:20

2 stops19h 20m

£459

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Wed 14/1

06:35-13:35

1 stop12h 00m

New York John F Kennedy Intl

Sun 18/1

18:25-10:20

1 stop10h 55m

£460

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Sun 18/1

06:30-13:35

1 stop12h 05m

New York John F Kennedy Intl

Thu 22/1

21:50-14:00

1 stop11h 10m

£460

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 47 results
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Best time to book a flight from Belfast to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast 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 Belfast to the United States

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

Currently, March is the cheapest month in which you can book a flight from Belfast to USA (average of £348). Flying from Belfast to USA in August is currently the most expensive (average of £433). 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 BFS to US?

Find hourly flight availability from Belfast to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

It’s optimal to fly from Belfast to USA in the morning. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 27 November 2025.
Check out reviews from past customers who have flown with KLM, American Airlines, andAer Lingus from Belfast to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,037 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,382 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Belfast to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to USA?

    Departing from Belfast to USA will take you 11h 55m. The distance between Belfast and USA is about 3167 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Belfast to USA consider Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Newark or Belfast City - New York John F Kennedy Intl as they are the most popular.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Belfast to USA (average of £348). Flying from Belfast to USA in August is currently the most expensive (average of £433). 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 Belfast to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Belfast to USA

Discover the top 4 airlines that operate flights from Belfast to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£346Average£586FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£423Average£598FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest£514Average£622FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£589Average£990FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Belfast to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to USA 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 Belfast to USA with no change fees?

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Belfast today and book when prices fit your budget.

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