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Cheap flights from the United States to Belfast from £167

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
3 Apr — 10 Apr1
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 29 March 2025.

Round-trip from

£424

One-way from

£167

Popular in

October

Cheapest in

August

Average price

£579
2/5-4/5
  • 2/5-4/5
  • 4 total stops
  • 45h 55m total
  • USA to Belfast
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5/4
  • 5/4
  • 1 total stop
  • 32h 25m total
  • USA to Belfast
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£83 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
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Average for round-trip flights in March 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 29 March 2025.

Fri 2/519:15SWF - BFS
2 stops22h 20mMultiple Airlines
Sun 4/523:30BFS - SWF
2 stops23h 35mMultiple Airlines
Deal found 28/3£424
Tue 13/518:20JFK - BFS
1 stop10h 35mMultiple Airlines
Tue 20/507:00BFS - JFK
2 stops33h 25mMultiple Airlines
Deal found 28/3£426
Fri 2/518:20JFK - BHD
1 stop21h 05mMultiple Airlines
Sun 4/507:05BHD - JFK
1 stop13h 50mMultiple Airlines
Deal found 28/3£512
Mon 12/506:00DFW - BFS
2 stops27h 50mMultiple Airlines
Mon 19/506:10BFS - DFW
2 stops38h 08mMultiple Airlines
Deal found 27/3£519
Tue 13/523:00EWR - BFS
2 stops20h 15mMultiple Airlines
Tue 20/506:15BFS - EWR
2 stops19h 45mMultiple Airlines
Deal found 28/3£521
Tue 13/507:47ORD - BFS
2 stops29h 38mMultiple Airlines
Tue 20/506:15BFS - ORD
3 stops46h 24mMultiple Airlines
Deal found 29/3£556
Mon 28/422:59DFW - BHD
1 stop12h 31mBritish Airways
Mon 5/519:30BHD - DFW
1 stop23h 00mBritish Airways
Deal found 29/3£588
Sun 12/1021:30JFK - BHD
1 stop10h 35mBritish Airways
Sun 19/1011:00BHD - JFK
1 stop11h 05mBritish Airways
Deal found 28/3£601
Sun 12/1017:55EWR - BHD
1 stop10h 10mBritish Airways
Sun 19/1013:00BHD - EWR
1 stop11h 25mBritish Airways
Deal found 28/3£601
Tue 26/815:20DFW - BHD
1 stop13h 15mAmerican Airlines
Wed 3/906:50BHD - DFW
1 stop13h 50mAmerican Airlines
Deal found 28/3£602
Thu 9/1009:45JFK - BHD
1 stop20h 25mFinnair
Mon 13/1019:30BHD - JFK
1 stop23h 55mFinnair
Deal found 29/3£617
Wed 30/419:30JFK - BHD
1 stop13h 00mAmerican Airlines
Sun 4/515:50BHD - JFK
1 stop11h 40mAmerican Airlines
Deal found 28/3£625

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 29 March 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 WindsorBelfast

SWF - BFS

SWFBFS

New Windsor Stewart

Fri 2/5

19:15-22:35

2 stops22h 20m

Belfast Intl

Sun 4/5

23:30-18:05

2 stops23h 35m

£424

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 13/5

18:20-09:55

1 stop10h 35m

Belfast Intl

Tue 20/5

07:00-11:25

2 stops33h 25m

£426

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Fri 2/5

18:20-20:25

1 stop21h 05m

Belfast City

Sun 4/5

07:05-15:55

1 stop13h 50m

£512

DallasBelfast

DFW - BFS

DFWBFS

Dallas/Fort Worth

Mon 12/5

06:00-15:50

2 stops27h 50m

Belfast Intl

Mon 19/5

06:10-14:18

2 stops38h 08m

£519

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 13/5

23:00-00:15

2 stops20h 15m

Belfast Intl

Tue 20/5

06:15-21:00

2 stops19h 45m

£521

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 13/5

07:47-19:25

2 stops29h 38m

Belfast Intl

Tue 20/5

06:15-22:39

3 stops46h 24m

£556

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Mon 28/4

22:59-17:30

1 stop12h 31m

Belfast City

Mon 5/5

19:30-12:30

1 stop23h 00m

£588

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Tue 26/8

15:20-10:35

1 stop13h 15m

Belfast City

Wed 3/9

06:50-14:40

1 stop13h 50m

£602

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 30/4

20:55-13:30

1 stop11h 35m

Belfast City

Sun 4/5

11:00-17:05

1 stop11h 05m

£608

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 30/4

17:55-08:50

1 stop9h 55m

Belfast City

Sun 4/5

13:00-19:25

1 stop11h 25m

£608

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 50 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 29 March 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 29 March 2025.
Get a feel of what it's like to fly with Delta, KLM 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
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 £305 on British Airways. Other airlines that offer cheap prices include Aer Lingus from £409 and Virgin Atlantic from £423 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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Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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