What are the cheapest airlines to fly from Belfast to USA one-way?

The cheapet airlines for a one-way flight from Belfast to USA are British Airways (£410), Aer Lingus (£432), and Iberia (£542).

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 Intl - Seattle/Tacoma Intl as they are the most popular.

How far in advance should I book a flight from Belfast to USA?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 38 days in advance, which can save you up to 109% on flights from Belfast to USA compared to booking the week you need them. Waiting 38 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £443. For sooner than that we have options available in the next 3 days from £844.

What is the cheapest month to fly from Belfast to USA?

September can be a great time to fly to USA from Belfast with a flight ticket averaging about £514. Cheapflights users have found deals in the month of September for as cheap as £386. The most expensive prices can be found in the month of August.

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.

£544+ Flights from Belfast to the United States

Cheap flight deals from Belfast to USA

Round-trip from	£395
One-way from	£238
Popular in	August
Cheapest in	September
Average price	£553

KLM
15/5-19/5
2 total stops
32h 20m total
Belfast to USA

Search Deals

20/6
1 total stop
16h 35m total
Belfast to USA

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Belfast to USA

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 15 April 2025.

Thu 15/506:30BHD - JFK

1 stop13h 55mKLM

Mon 19/517:30JFK - BHD

1 stop18h 25mKLM

Deal found 15/4£395

Thu 8/506:00BFS - JFK

2 stops34h 55mMultiple Airlines

Sun 11/518:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 15/4£399

Thu 24/412:40BHD - JFK

1 stop12h 15mBritish Airways

Wed 30/419:30JFK - BHD

1 stop11h 25mBritish Airways

Deal found 15/4£412

Fri 25/406:30BHD - JFK

1 stop13h 55mMultiple Airlines

Mon 28/400:50JFK - BHD

1 stop11h 05mMultiple Airlines

Deal found 15/4£415

Fri 25/406:30BHD - JFK

2 stops20h 37mVirgin Atlantic

Tue 29/421:10JFK - BHD

1 stop18h 55mVirgin Atlantic

Deal found 15/4£418

Fri 25/406:30BHD - JFK

2 stops17h 25mDelta

Tue 29/421:10JFK - BHD

1 stop18h 55mDelta

Deal found 15/4£419

Thu 24/412:40BHD - JFK

1 stop14h 20mAmerican Airlines

Wed 30/419:30JFK - BHD

1 stop13h 00mAmerican Airlines

Deal found 15/4£427

Thu 15/506:35BHD - EWR

1 stop12h 20mBritish Airways

Mon 19/521:25EWR - BHD

1 stop10h 30mBritish Airways

Deal found 15/4£461

Thu 15/516:20BHD - JFK

2 stops23h 30mIberia

Mon 19/518:00JFK - BHD

2 stops16h 40mIberia

Deal found 15/4£523

Thu 24/412:40BHD - EWR

1 stop11h 45mAmerican Airlines

Wed 30/417:55EWR - BHD

1 stop9h 55mAmerican Airlines

Deal found 15/4£557

Wed 3/1206:30BHD - LGA

2 stops37h 55mVirgin Atlantic

Sun 7/1214:55LGA - BHD

2 stops25h 05mVirgin Atlantic

Deal found 15/4£573

Thu 8/512:40BHD - SEA

1 stop13h 40mBritish Airways

Thu 22/513:30SEA - BHD

1 stop15h 45mBritish Airways

Deal found 15/4£594

Best flights from Belfast to USA
Discover carefully curated flight deals from Belfast to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Thu 15/506:30BHD - JFK

1 stop13h 55mKLM

Mon 19/517:30JFK - BHD

1 stop18h 25mKLM

Deal found 15/4£395

Thu 8/506:00BFS - JFK

2 stops34h 55mMultiple Airlines

Sun 11/518:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 15/4£399

Fri 25/416:20BHD - JFK

1 stop11h 10mBritish Airways

Tue 29/419:30JFK - BHD

1 stop10h 05mBritish Airways

Deal found 15/4£412

Fri 25/406:30BHD - JFK

2 stops20h 37mVirgin Atlantic

Tue 29/421:10JFK - BHD

1 stop18h 55mVirgin Atlantic

Deal found 15/4£418

Fri 25/406:30BHD - JFK

2 stops17h 25mDelta

Mon 28/400:50JFK - BHD

1 stop15h 25mDelta

Deal found 15/4£419

Fri 25/406:35BHD - JFK

1 stop11h 05mAmerican Airlines

Tue 29/421:30JFK - BHD

1 stop12h 50mAmerican Airlines

Deal found 15/4£427

Thu 15/516:20BHD - JFK

2 stops23h 30mIberia

Mon 19/518:00JFK - BHD

2 stops16h 40mIberia

Deal found 15/4£523

Wed 18/620:15BHD - JFK

1 stop21h 30mFinnair

Sun 31/819:30JFK - BHD

1 stop11h 00mFinnair

Deal found 15/4£618

Fri 25/406:30BHD - JFK

1 stop13h 55mMultiple Airlines

Mon 28/400:50JFK - BHD

1 stop11h 05mMultiple Airlines

Deal found 15/4£415

Thu 15/506:35BHD - EWR

1 stop12h 20mBritish Airways

Mon 19/521:25EWR - BHD

1 stop10h 30mBritish Airways

Deal found 15/4£461

Fri 25/406:35BHD - EWR

1 stop12h 20mAmerican Airlines

Tue 29/421:25EWR - BHD

1 stop12h 55mAmerican Airlines

Deal found 15/4£587

Thu 8/506:30BHD - SEA

2 stops18h 14mDelta

Thu 29/511:40SEA - BHD

2 stops21h 15mDelta

Deal found 15/4£646

Last-minute flights from Belfast to USA
Discover last-minute flight deals from Belfast to USA. Data last updated 15 April 2025 and is based on user searches.

Thu 24/412:40BHD - JFK

1 stop12h 15mBritish Airways

Wed 30/419:30JFK - BHD

1 stop11h 25mBritish Airways

Deal found 15/4£412

Thu 24/412:40BHD - JFK

1 stop14h 20mAmerican Airlines

Wed 30/419:30JFK - BHD

1 stop13h 00mAmerican Airlines

Deal found 15/4£427

Thu 24/412:40BHD - EWR

1 stop11h 45mBritish Airways

Wed 30/417:55EWR - BHD

1 stop9h 55mBritish Airways

Deal found 15/4£550

Thu 24/412:40BHD - EWR

1 stop11h 45mAmerican Airlines

Wed 30/417:55EWR - BHD

1 stop9h 55mAmerican Airlines

Deal found 15/4£557

Thu 24/406:30BHD - LGA

2 stops15h 53mDelta

Wed 30/413:59LGA - BHD

2 stops21h 56mDelta

Deal found 15/4£975

Thu 24/406:30BHD - EWR

2 stops17h 25mDelta

Wed 30/414:40EWR - BHD

2 stops21h 15mDelta

Deal found 15/4£1,003

Fri 25/406:30BHD - JFK

1 stop13h 55mMultiple Airlines

Mon 28/400:50JFK - BHD

1 stop11h 05mMultiple Airlines

Deal found 15/4£415

Fri 25/406:30BHD - JFK

2 stops20h 37mVirgin Atlantic

Tue 29/421:10JFK - BHD

1 stop18h 55mVirgin Atlantic

Deal found 15/4£418

Fri 25/406:30BHD - JFK

2 stops17h 25mDelta

Mon 28/400:50JFK - BHD

1 stop15h 25mDelta

Deal found 15/4£419

Fri 25/406:05BFS - JFK

1 stop14h 50mMultiple Airlines

Tue 29/418:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 15/4£513

Thu 8/506:00BFS - JFK

2 stops34h 55mMultiple Airlines

Sun 11/518:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 15/4£399

Thu 8/512:40BHD - SEA

1 stop13h 40mBritish Airways

Thu 22/513:30SEA - BHD

1 stop15h 45mBritish Airways

Deal found 15/4£594

One-way flights from Belfast to USA
Search for one-way flight options from Belfast to USA. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Fri 20/610:55BFS - EWR

1 stop16h 35mMultiple Airlines

Deal found 15/4£238

Fri 20/606:05BFS - JFK

1 stop14h 50mMultiple Airlines

Deal found 15/4£260

Sun 8/607:15BFS - ORD

3 stops53h 17mMultiple Airlines

Deal found 15/4£266

Sun 8/607:05BHD - ORD

2 stops34h 31mMultiple Airlines

Deal found 15/4£276

Fri 20/607:00BHD - JFK

1 stop13h 55mMultiple Airlines

Deal found 15/4£298

Thu 12/606:00BFS - SEA

2 stops22h 28mMultiple Airlines

Deal found 15/4£305

Sun 20/722:55BFS - LGA

2 stops39h 00mMultiple Airlines

Deal found 14/4£316

Fri 20/606:50BHD - EWR

2 stops20h 40mMultiple Airlines

Deal found 15/4£351

Thu 12/607:05BHD - SEA

2 stops23h 54mMultiple Airlines

Deal found 15/4£353

Wed 25/606:50BHD - JFK

1 stop10h 55mBritish Airways

Deal found 15/4£410

Sat 21/607:00BHD - LGA

3 stops30h 55mMultiple Airlines

Deal found 15/4£415

Sun 4/518:45BHD - JFK

2 stops23h 40mAer Lingus

Deal found 15/4£432

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 15/5

06:30-15:25

1 stop13h 55m

New York John F Kennedy Intl

Mon 19/5

17:30-16:55

1 stop18h 25m

£395

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 8/5

06:00-11:55

2 stops34h 55m

New York John F Kennedy Intl

Sun 11/5

18:20-09:55

1 stop10h 35m

£399

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 25/4

16:20-22:30

1 stop11h 10m

New York John F Kennedy Intl

Tue 29/4

19:30-10:35

1 stop10h 05m

£412

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 25/4

06:30-15:25

1 stop13h 55m

New York John F Kennedy Intl

Mon 28/4

00:50-16:55

1 stop11h 05m

£415

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 25/4

06:30-22:07

2 stops20h 37m

New York John F Kennedy Intl

Tue 29/4

21:10-21:05

1 stop18h 55m

£418

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 25/4

06:30-18:55

2 stops17h 25m

New York John F Kennedy Intl

Mon 28/4

00:50-21:15

1 stop15h 25m

£419

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Fri 25/4

06:35-12:40

1 stop11h 05m

New York John F Kennedy Intl

Tue 29/4

21:30-15:20

1 stop12h 50m

£427

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

Thu 15/5

06:35-13:55

1 stop12h 20m

Newark

Mon 19/5

21:25-12:55

1 stop10h 30m

£461

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Thu 15/5

16:20-10:50

2 stops23h 30m

New York John F Kennedy Intl

Mon 19/5

18:00-15:40

2 stops16h 40m

£523

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

Fri 25/4

06:35-13:55

1 stop12h 20m

Newark

Tue 29/4

21:25-15:20

1 stop12h 55m

£587

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 46 results

...

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, January is the cheapest month in which you can book a flight from Belfast to USA (average of £575). Flying from Belfast to USA in July is currently the most expensive (average of £811). 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?

When flying from Belfast to USA, 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 USA by month

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

If weather is an important factor for your trip to USA, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing USA

Get a feel of what it's like to fly with Delta, KLM and Finnair from Belfast to USA 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

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,918 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Belfast to USA one-way?
The cheapet airlines for a one-way flight from Belfast to USA are British Airways (£410), Aer Lingus (£432), and Iberia (£542).
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 Intl - Seattle/Tacoma 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, January is the cheapest month in which you can book a flight from Belfast to USA (average of £575). Flying from Belfast to USA in July is currently the most expensive (average of £811). 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 airline flying from Belfast to USA

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£339	Average£592	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to the United States from £238

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast to USA

Cheapest flights from Belfast to USAExplore 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 15 April 2025.

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 15 April 2025.

Cheapflights Fare Finder

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

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.

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?

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 15 April 2025.

Rainfall in USA by month

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

Temperature in USA by month

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

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 15 April 2025.

Get a feel of what it's like to fly with Delta, KLM and Finnair from Belfast to USA 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.

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.

What are the cheapest airlines to fly from Belfast to USA one-way?

What are the most popular routes from Belfast to USA?

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

How can I find direct flights from Belfast to USA?

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

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

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 Belfast to USA

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Belfast to USA

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?

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

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

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

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Book with Flexibility

Travel Smart

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 15 April 2025.