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 Aer Lingus (£479), British Airways (£986), and American Airlines (£1,183).

What are the most popular routes from Belfast to USA?

When deciding which route to take from Belfast to USA consider Belfast Intl - Seattle/Tacoma Intl, Belfast Intl - Chicago O'Hare Intl or Belfast City - 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 £452. For sooner than that we have options available in the next 3 days from £958.

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 £520. Cheapflights users have found deals in the month of September for as cheap as £394. 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.

£554+ Flights from Belfast to the United States

Cheap flight deals from Belfast to USA

Round-trip from	£328
One-way from	£173
Popular in	August
Cheapest in	September
Average price	£482

9/5-16/5
2 total stops
44h 55m total
Belfast to USA

Search Deals

14/5
1 total stop
16h 25m total
Belfast to USA

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 25 March 2025.

Fri 9/521:05BFS - MCO

1 stop26h 20mMultiple Airlines

Fri 16/520:30MCO - BFS

1 stop18h 35mMultiple Airlines

Deal found 25/3£328

Mon 5/507:05BHD - MCO

1 stop16h 20mMultiple Airlines

Wed 14/520:30MCO - BHD

1 stop13h 35mMultiple Airlines

Deal found 24/3£389

Thu 8/506:00BFS - JFK

2 stops34h 55mMultiple Airlines

Sun 11/518:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 25/3£395

Mon 5/506:10BFS - MIA

1 stop13h 10mMultiple Airlines

Fri 9/517:15MIA - BFS

1 stop35h 10mMultiple Airlines

Deal found 24/3£395

Thu 8/509:25BFS - EWR

3 stops32h 50mMultiple Airlines

Sun 11/517:30EWR - BFS

2 stops25h 55mMultiple Airlines

Deal found 25/3£433

Wed 4/606:30BHD - MCO

2 stops17h 24mKLM

Wed 11/619:30MCO - BHD

2 stops16h 25mKLM

Deal found 24/3£493

Thu 24/406:35BHD - MCO

2 stops15h 48mAmerican Airlines

Wed 30/417:20MCO - BHD

2 stops15h 10mAmerican Airlines

Deal found 25/3£496

Wed 23/406:50BHD - MCO

2 stops17h 47mBritish Airways

Wed 7/512:20MCO - BHD

2 stops18h 35mBritish Airways

Deal found 25/3£501

Thu 24/406:30BHD - MCO

2 stops23h 24mDelta

Thu 8/514:00MCO - BHD

2 stops21h 55mDelta

Deal found 25/3£509

Thu 8/506:10BFS - ORD

2 stops23h 19mMultiple Airlines

Thu 15/507:47ORD - BFS

2 stops30h 48mMultiple Airlines

Deal found 25/3£589

Thu 8/516:20BHD - SEA

1 stop34h 00mMultiple Airlines

Thu 22/513:30SEA - BHD

1 stop15h 45mMultiple Airlines

Deal found 24/3£594

Thu 8/506:30BHD - SEA

2 stops19h 20mDelta

Thu 22/514:10SEA - BHD

1 stop18h 45mDelta

Deal found 25/3£607

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 25 March 2025.

Fri 9/521:05BFS - MCO

1 stop26h 20mMultiple Airlines

Fri 16/520:30MCO - BFS

1 stop18h 35mMultiple Airlines

Deal found 25/3£328

Wed 4/606:30BHD - MCO

2 stops17h 24mKLM

Wed 11/619:30MCO - BHD

2 stops16h 25mKLM

Deal found 24/3£493

Thu 24/406:35BHD - MCO

2 stops15h 48mAmerican Airlines

Wed 30/417:20MCO - BHD

2 stops15h 10mAmerican Airlines

Deal found 25/3£496

Wed 23/406:50BHD - MCO

2 stops17h 47mBritish Airways

Wed 7/512:20MCO - BHD

2 stops18h 35mBritish Airways

Deal found 25/3£501

Thu 24/406:30BHD - MCO

2 stops23h 24mDelta

Thu 8/514:00MCO - BHD

2 stops21h 55mDelta

Deal found 25/3£509

Mon 7/417:25BHD - MCO

2 stops32h 43mVirgin Atlantic

Mon 14/419:45MCO - BHD

2 stops40h 10mVirgin Atlantic

Deal found 25/3£638

Mon 30/606:40BHD - MCO

2 stops16h 50mIberia

Mon 14/717:20MCO - BHD

2 stops17h 20mIberia

Deal found 24/3£691

Wed 23/407:00BHD - MCO

1 stop13h 15mAer Lingus

Wed 7/519:55MCO - BHD

2 stops14h 40mAer Lingus

Deal found 25/3£706

Mon 5/507:05BHD - MCO

1 stop16h 20mMultiple Airlines

Wed 14/520:30MCO - BHD

1 stop13h 35mMultiple Airlines

Deal found 24/3£389

Thu 8/506:00BFS - JFK

2 stops34h 55mMultiple Airlines

Sun 11/518:20JFK - BFS

1 stop10h 35mMultiple Airlines

Deal found 25/3£395

Mon 5/506:10BFS - MIA

1 stop13h 10mMultiple Airlines

Fri 9/517:15MIA - BFS

1 stop35h 10mMultiple Airlines

Deal found 24/3£395

Thu 8/509:25BFS - EWR

3 stops32h 50mMultiple Airlines

Sun 11/517:30EWR - BFS

2 stops25h 55mMultiple Airlines

Deal found 25/3£433

Last-minute flights from Belfast to USA
Discover last-minute flight deals from Belfast to USA. Data last updated 25 March 2025 and is based on user searches.

Mon 31/308:50BHD - MCO

1 stop14h 35mMultiple Airlines

Wed 9/420:30MCO - BHD

1 stop13h 35mMultiple Airlines

Deal found 25/3£753

Mon 31/306:40BHD - MCO

2 stops16h 25mAer Lingus

Mon 7/419:55MCO - BHD

2 stops16h 25mAer Lingus

Deal found 25/3£957

Tue 1/406:30BHD - MCO

2 stops15h 40mKLM

Tue 8/419:45MCO - BHD

2 stops16h 10mKLM

Deal found 25/3£571

Tue 1/406:30BHD - MCO

2 stops21h 27mDelta

Sun 6/419:59MCO - BHD

2 stops20h 16mDelta

Deal found 25/3£601

Wed 2/410:00BHD - MCO

2 stops16h 59mAmerican Airlines

Tue 8/417:22MCO - BHD

2 stops14h 38mAmerican Airlines

Deal found 25/3£564

Wed 2/409:05BFS - MCO

2 stops28h 56mMultiple Airlines

Mon 7/420:30MCO - BFS

1 stop14h 20mMultiple Airlines

Deal found 25/3£660

Mon 7/417:25BHD - MCO

2 stops32h 43mVirgin Atlantic

Mon 14/419:45MCO - BHD

2 stops40h 10mVirgin Atlantic

Deal found 25/3£638

Tue 22/406:30BHD - MCO

2 stops17h 00mKLM

Wed 7/519:59MCO - BHD

2 stops15h 56mKLM

Deal found 25/3£536

Wed 23/406:10BFS - MCO

1 stop17h 15mMultiple Airlines

Wed 30/420:30MCO - BFS

1 stop30h 20mMultiple Airlines

Deal found 25/3£362

Wed 23/407:15BFS - JFK

1 stop14h 30mMultiple Airlines

Wed 30/419:30JFK - BFS

1 stop15h 00mMultiple Airlines

Deal found 24/3£431

Wed 23/406:50BHD - MCO

2 stops17h 47mBritish Airways

Wed 7/512:20MCO - BHD

2 stops18h 35mBritish Airways

Deal found 25/3£501

Wed 23/407:00BHD - MCO

1 stop13h 15mAer Lingus

Wed 7/519:55MCO - BHD

2 stops14h 40mAer Lingus

Deal found 25/3£706

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 25 March 2025.

Wed 14/507:00BFS - MCO

1 stop16h 25mMultiple Airlines

Deal found 24/3£173

Wed 14/507:05BHD - MCO

1 stop16h 20mMultiple Airlines

Deal found 24/3£198

Wed 2/707:15BFS - JFK

2 stops19h 25mMultiple Airlines

Deal found 25/3£257

Wed 2/705:45BFS - EWR

3 stops22h 33mMultiple Airlines

Deal found 25/3£380

Tue 15/722:55BFS - MIA

2 stops26h 46mMultiple Airlines

Deal found 24/3£386

Wed 14/506:55BHD - MCO

2 stops16h 10mAer Lingus

Deal found 24/3£479

Wed 30/706:50BHD - SEA

2 stops18h 09mAer Lingus

Deal found 24/3£778

Wed 30/706:50BHD - SEA

1 stop12h 45mBritish Airways

Deal found 24/3£986

Sun 25/511:00BHD - MCO

2 stops34h 48mAmerican Airlines

Deal found 25/3£1,183

Thu 15/512:40BHD - PVD

2 stops24h 41mAmerican Airlines

Deal found 24/3£1,439

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

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Fri 9/5

21:05-18:25

1 stop26h 20m

Orlando

Fri 16/5

20:30-20:05

1 stop18h 35m

£328

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Mon 5/5

07:05-18:25

1 stop16h 20m

Orlando

Wed 14/5

20:30-15:05

1 stop13h 35m

£389

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

£395

BelfastMiami

BFS - MIA

BFSMIA

Belfast Intl

Mon 5/5

06:10-14:20

1 stop13h 10m

Miami

Fri 9/5

17:15-09:25

1 stop35h 10m

£395

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 8/5

09:25-13:15

3 stops32h 50m

Newark

Sun 11/5

17:30-00:25

2 stops25h 55m

£433

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Wed 4/6

06:30-18:54

2 stops17h 24m

Orlando

Wed 11/6

19:30-16:55

2 stops16h 25m

£493

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Thu 24/4

06:35-17:23

2 stops15h 48m

Orlando

Wed 30/4

17:20-13:30

2 stops15h 10m

£496

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Wed 23/4

06:50-19:37

2 stops17h 47m

Orlando

Wed 7/5

12:20-11:55

2 stops18h 35m

£501

BelfastOrlando

BHD - MCO

BHDMCO

Belfast City

Thu 24/4

06:30-00:54

2 stops23h 24m

Orlando

Thu 8/5

14:00-16:55

2 stops21h 55m

£509

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 8/5

06:10-23:29

2 stops23h 19m

Chicago O'Hare Intl

Thu 15/5

07:47-20:35

2 stops30h 48m

£589

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 28 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 Virgin Atlantic 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

7,890 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

7,890 reviews

Delta

8.0

Very Good

7,890 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

1,318 reviews

Delta

8.0

Very Good

7,890 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

634 reviews

Delta

8.0

Very Good

7,890 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

7,890 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

Aer Lingus

7.0

Good

1,061 reviews

Delta

8.0

Very Good

7,890 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 Aer Lingus (£479), British Airways (£986), and American Airlines (£1,183).
What are the most popular routes from Belfast to USA?
When deciding which route to take from Belfast to USA consider Belfast Intl - Seattle/Tacoma Intl, Belfast Intl - Chicago O'Hare Intl or Belfast City - 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£347	Average£606	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 £173

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 14/5. 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 25 March 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 25 March 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 25 March 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 25 March 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 25 March 2025.

Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic 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 25 March 2025.