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Belfast

$211+ Cheap flights from the United States to Belfast

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Round-trip from

$518
(Cheapflightsfares)

One-way from

$211
(Norse)

Popular in

October

Cheapest in

December

Average price

$924
From USA to Belfast
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One-way flight from USA to Belfast
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:40 pmBOS - BHD
1 stop12h 15mBritish Airways
Tue 9/169:35 amBHD - BOS
1 stop15h 35mBritish Airways
Deal found 4/30$518
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:00 pmBOS - BHD
1 stop12h 40mAmerican Airlines
Tue 9/161:40 pmBHD - BOS
2 stops15h 35mAmerican Airlines
Deal found 4/30$547
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:25 pmJFK - BFS
2 stops13h 35mMultiple Airlines
Mon 5/2610:55 amBFS - JFK
2 stops40h 05mMultiple Airlines
Deal found 4/30$560
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:30 pmJFK - BHD
1 stop11h 00mBritish Airways
Sun 9/2811:00 amBHD - JFK
1 stop11h 35mBritish Airways
Deal found 4/30$566
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:55 pmEWR - BHD
1 stop10h 10mBritish Airways
Sun 9/281:00 pmBHD - EWR
1 stop11h 25mBritish Airways
Deal found 4/30$566
This PLAY deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:15 pmBOS - BFS
2 stops22h 55mMultiple Airlines
Tue 5/136:45 amBFS - BOS
2 stops16h 05mMultiple Airlines
Deal found 4/29$590
This Finnair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:59 pmDFW - BHD
1 stop13h 41mMultiple Airlines
Wed 10/224:05 pmBHD - DFW
1 stop26h 30mMultiple Airlines
Deal found 4/30$657
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:20 pmJFK - BHD
1 stop15h 50mMultiple Airlines
Thu 6/1211:50 amBHD - JFK
2 stops15h 25mMultiple Airlines
Deal found 4/29$662
This Orbitz deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:30 pmDFW - BHD
2 stops15h 05mBritish Airways
Wed 10/2211:30 amBHD - DFW
1 stop14h 00mBritish Airways
Deal found 4/30$663
This Norse deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:20 pmMIA - BFS
1 stop33h 25mMultiple Airlines
Wed 5/216:10 amBFS - MIA
1 stop13h 10mMultiple Airlines
Deal found 4/30$696
This Iberia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:59 pmDFW - BHD
1 stop13h 41mIberia
Sun 10/56:50 amBHD - DFW
1 stop13h 50mIberia
Deal found 4/30$706
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:05 pmDFW - BHD
2 stops14h 25mAmerican Airlines
Sun 10/56:50 amBHD - DFW
1 stop13h 50mAmerican Airlines
Deal found 4/30$711

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated May 1, 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

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/8

7:40 pm-12:55 pm

1 stop12h 15m

Belfast City

Tue 9/16

9:35 am-8:10 pm

1 stop15h 35m

$518

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Mon 9/8

10:00 pm-3:40 pm

1 stop12h 40m

Belfast City

Tue 9/16

1:40 pm-12:15 am

2 stops15h 35m

$547

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 5/13

8:25 pm-3:00 pm

2 stops13h 35m

Belfast Intl

Mon 5/26

10:55 am-10:00 pm

2 stops40h 05m

$560

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 9/21

7:30 pm-11:30 am

1 stop11h 00m

Belfast City

Sun 9/28

11:00 am-5:35 pm

1 stop11h 35m

$566

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Sun 9/21

5:55 pm-9:05 am

1 stop10h 10m

Belfast City

Sun 9/28

1:00 pm-7:25 pm

1 stop11h 25m

$566

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Wed 10/15

10:59 pm-6:40 pm

1 stop13h 41m

Belfast City

Wed 10/22

4:05 pm-12:35 pm

1 stop26h 30m

$657

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Thu 5/29

6:20 pm-3:10 pm

1 stop15h 50m

Belfast City

Thu 6/12

11:50 am-10:15 pm

2 stops15h 25m

$662

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Wed 10/15

6:30 pm-3:35 pm

2 stops15h 05m

Belfast City

Wed 10/22

11:30 am-7:30 pm

1 stop14h 00m

$663

MiamiBelfast

MIA - BFS

MIABFS

Miami

Sat 5/17

5:20 pm-7:45 am

1 stop33h 25m

Belfast Intl

Wed 5/21

6:10 am-2:20 pm

1 stop13h 10m

$696

DallasBelfast

DFW - BHD

DFWBHD

Dallas/Fort Worth

Wed 9/24

10:59 pm-6:40 pm

1 stop13h 41m

Belfast City

Sun 10/5

6:50 am-2:40 pm

1 stop13h 50m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 51 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 round-trip 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, February is the cheapest month in which you can book a flight from USA to Belfast (average of $657). Flying from USA to Belfast in June is currently the most expensive (average of $1,189). 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 May 1, 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 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from USA to Belfast to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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
643 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

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 $300 on British Airways. Other airlines that offer cheap prices include American Airlines from $584 and Aer Lingus from $618 one-way.

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

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

  • 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 vacation 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, February is the cheapest month in which you can book a flight from USA to Belfast (average of $657). Flying from USA to Belfast in June is currently the most expensive (average of $1,189). 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 USA to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from USA to Belfast

Discover the top 2 airlines that operate flights from USA to Belfast. 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$838FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$544Average$845FlexibilityNo cancel feeOn-time70%

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