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Cheap flights from Belfast Intl Airport to the United States from £237

BFS — LAX
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to USA

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to USA

Thu 19/1107:35 -
2 stops39h 15m
Wed 2/1208:00 -
1 stop19h 20m
Deal found 3/11£496
Thu 12/1116:55 -
2 stops31h 25m
Tue 17/1118:30 -
2 stops21h 25m
Deal found 30/10£499
Thu 12/1116:55 -
2 stops31h 25m
Sun 15/1101:00 -
2 stops25h 55m
Deal found 1/11£503
Mon 16/1122:05 -
3 stops24h 45m
Mon 30/1119:25 -
3 stops18h 20m
Deal found 2/11£519
Mon 7/1222:05 -
2 stops21h 55m
Thu 10/1217:00 -
2 stops24h 25m
Deal found 1/11£523
Tue 1/1220:55 -
2 stops23h 05m
Tue 8/1218:30 -
2 stops21h 25m
Deal found 1/11£528
Sun 22/1117:10 -
2 stops31h 00m
Mon 7/1215:56 -
3 stops23h 39m
Deal found 4/11£675
Sun 6/1207:15 -
1 stop15h 30m
Sat 19/1221:55 -
1 stop18h 40m
Deal found 1/11£712
Wed 16/1206:25 -
2 stops19h 10m
Wed 23/1217:50 -
2 stops23h 10m
Deal found 1/11£748
Tue 15/1208:25 -
2 stops21h 15m
Tue 22/1221:45 -
1 stop18h 10m
Deal found 31/10£837
Wed 16/1207:00 -
2 stops19h 28m
Wed 23/1213:10 -
2 stops18h 55m
Deal found 1/11£1,138
Fri 18/1216:45 -
2 stops30h 40m
Fri 25/1208:52 -
3 stops28h 58m
Deal found 3/11£1,177

Find flight deals from Belfast Intl to USA

Round-trip from

£496

One-way from

£237

Popular in

December

Cheapest in

January

Average price

£602
19/11-2/12
  • 19/11-2/12
  • 3 total stops
  • 58h 35m total
  • Belfast to USA
Search Deals
15/11-31/12
  • 15/11-31/12
  • 2 total stops
  • 54h 10m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast Intl Airport to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sun 15/11

17:10-17:50

3 stops53h 40m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£263

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Thu 12/11

17:40-22:00

2 stops57h 20m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£298

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sat 19/12

15:25-08:15

3 stops45h 50m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369
Fastest return journey

BelfastOrlando

BFS Belfast Intl - MCO Orlando

BFSMCO

Belfast Intl

Thu 31/12

06:30-15:15

1 stop13h 45m

Orlando

Wed 31/12

00:00-06:00

Nonstop0h 00m

£387

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Thu 19/11

07:35-17:50

2 stops39h 15m

New York John F Kennedy Intl

Wed 2/12

08:00-08:20

1 stop19h 20m

£496

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Tue 1/12

20:55-15:00

2 stops23h 05m

New York John F Kennedy Intl

Tue 8/12

18:30-20:55

2 stops21h 25m

£528

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Mon 16/11

08:40-15:00

2 stops35h 20m

New York John F Kennedy Intl

Mon 30/11

17:30-20:15

2 stops21h 45m

£531

BelfastOrlando

BFS Belfast Intl - MCO Orlando

BFSMCO

Belfast Intl

Wed 3/3

07:00-20:35

2 stops18h 35m

Orlando

Wed 17/3

18:50-16:25

2 stops17h 35m

£532

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Sun 27/12

09:25-21:00

1 stop16h 35m

New York John F Kennedy Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£548

BelfastNew York

BFS Belfast Intl - JFK New York John F Kennedy Intl

BFSJFK

Belfast Intl

Wed 2/12

20:50-16:40

2 stops24h 50m

New York John F Kennedy Intl

Wed 9/12

21:00-22:00

2 stops20h 00m

£562

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 27 resultsSorted by cheapest first
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Best time to book a flight from Belfast Intl to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to the United States

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

Currently, February is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £445). Flying from Belfast Intl Airport to USA in June is currently the most expensive (average of £819). 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.

Reviews of airlines servicing USA

Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.0
Good
12,228 reviews
Check prices

Food

6.4

Comfort

7.2

Entertainment

6.8

Boarding

7.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight
American Airlines
7.0
Good
12,228 reviews
American Airlines
7.0
Good
12,228 reviews
Check prices

Food

6.4

Comfort

7.2

Entertainment

6.8

Boarding

7.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight
British Airways
6.7
Okay
8,283 reviews
American Airlines
7.0
Good
12,228 reviews
Check prices

Food

6.4

Comfort

7.2

Entertainment

6.8

Boarding

7.4

Crew

7.9

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Ron,Aug 2026

LHR - LAX

Unfortunately it took an hour and 15 minutes for luggage to get to customs so I had to pay for hotel and other ticket to get home Missed flight

Related info for your journey

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

    The most popular flight routes from Belfast Intl Airport to USA are Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Newark and Belfast Intl - New York LaGuardia.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £445). Flying from Belfast Intl Airport to USA in June is currently the most expensive (average of £819). 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

Top 2 airlines flying from Belfast Intl to USA

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£239Average£744FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£551Average£654FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

When you search for this flight from Belfast Intl to USA, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to USA.

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

Certainly. Search results for flights to USA from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast Intl 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 Intl today and book when prices fit your budget.

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