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$226+ 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
avr. 27 — mai 41
dim. 4/27
dim. 5/4
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 avril 22, 2025.

Round-trip from

$609
(Connections by easyJet)

One-way from

$226
(Norse)

Popular in

October

Cheapest in

December

Average price

$747
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 April 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 avril 22, 2025.

This PLAY deal was found by Cheapflights users on 4/21. 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.
mar. 10/287:20 pmBOS - BFS
2 stops22h 10mMultiple Airlines
mar. 11/46:00 amBFS - BOS
2 stops16h 00mMultiple Airlines
Deal found 4/21$593
This Connections by easyJet deal was found by Cheapflights users on 4/22. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/56:20 pmJFK - BFS
1 stop10h 35mMultiple Airlines
ven. 5/96:05 amBFS - JFK
1 stop14h 50mMultiple Airlines
Deal found 4/22$609
This Norse deal was found by Cheapflights users on 4/22. 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.
ven. 10/36:20 pmJFK - BHD
1 stop21h 05mMultiple Airlines
jeu. 10/98:15 pmBHD - JFK
1 stop24h 40mMultiple Airlines
Deal found 4/22$610
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
lun. 9/87:40 pmBOS - BHD
1 stop12h 15mBritish Airways
mar. 9/161:40 pmBHD - BOS
1 stop11h 30mBritish Airways
Deal found 4/22$641
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
jeu. 6/197:00 pmJFK - BHD
1 stop13h 45mAer Lingus
ven. 6/2711:00 amBHD - JFK
1 stop11h 15mAer Lingus
Deal found 4/22$666
This American Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 4/299:55 pmBOS - BHD
1 stop12h 25mAmerican Airlines
mer. 5/72:45 pmBHD - BOS
1 stop10h 25mAmerican Airlines
Deal found 4/22$666
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
mar. 5/208:30 pmMCO - BFS
1 stop31h 30mMultiple Airlines
mar. 5/273:45 pmBFS - MCO
1 stop31h 40mMultiple Airlines
Deal found 4/22$682
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
sam. 7/1910:50 pmEWR - BFS
2 stops29h 55mMultiple Airlines
ven. 7/2510:55 amBFS - EWR
1 stop16h 35mMultiple Airlines
Deal found 4/21$705
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/2412:15 pmBOS - BHD
2 stops23h 40mDelta
mer. 5/76:30 amBHD - BOS
1 stop16h 50mDelta
Deal found 4/22$708
This Mytrip deal was found by Cheapflights users on 4/21. 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.
mer. 6/48:50 amORD - BFS
2 stops27h 45mMultiple Airlines
mer. 6/115:20 pmBFS - ORD
2 stops28h 05mMultiple Airlines
Deal found 4/21$748
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
mar. 10/282:35 pmSEA - BHD
1 stop16h 00mBritish Airways
mar. 11/411:30 amBHD - SEA
1 stop13h 25mBritish Airways
Deal found 4/22$763
This American Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 10/283:13 pmSEA - BHD
2 stops16h 42mAmerican Airlines
mar. 11/48:40 amBHD - SEA
1 stop16h 15mAmerican Airlines
Deal found 4/22$769

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 avril 22, 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 YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

lun. 5/5

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

ven. 5/9

6:05 am-3:55 pm

1 stop14h 50m

$609

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

ven. 10/3

6:20 pm-8:25 pm

1 stop21h 05m

Belfast City

jeu. 10/9

8:15 pm-3:55 pm

1 stop24h 40m

$610

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

sam. 5/24

7:15 pm-11:05 pm

2 stops22h 50m

Belfast Intl

dim. 6/1

11:30 pm-5:50 pm

2 stops23h 20m

$664

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

jeu. 6/19

7:00 pm-1:45 pm

1 stop13h 45m

Belfast City

ven. 6/27

11:00 am-5:15 pm

1 stop11h 15m

$666

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

mar. 4/29

9:55 pm-3:20 pm

1 stop12h 25m

Belfast City

mer. 5/7

2:45 pm-8:10 pm

1 stop10h 25m

$666

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

mar. 4/29

7:40 pm-10:35 am

1 stop9h 55m

Belfast City

mer. 5/7

2:45 pm-8:10 pm

1 stop10h 25m

$673

OrlandoBelfast

MCO - BFS

MCOBFS

Orlando

mar. 5/20

8:30 pm-9:00 am

1 stop31h 30m

Belfast Intl

mar. 5/27

3:45 pm-6:25 pm

1 stop31h 40m

$682

NewarkBelfast

EWR - BFS

EWRBFS

Newark

sam. 7/19

10:50 pm-9:45 am

2 stops29h 55m

Belfast Intl

ven. 7/25

10:55 am-10:30 pm

1 stop16h 35m

$705

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

dim. 4/27

5:15 pm-9:15 pm

2 stops23h 00m

Belfast City

mar. 5/13

6:30 am-1:35 pm

1 stop12h 05m

$708

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

mer. 6/4

8:50 am-6:35 pm

2 stops27h 45m

Belfast Intl

mer. 6/11

5:20 pm-3:25 pm

2 stops28h 05m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 49 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 avril 22, 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 avril 22, 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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
642 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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 $352 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $559 and American Airlines from $567 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, Newark - Belfast Intl and Seattle/Tacoma Intl - Belfast Intl.

  • 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

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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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 avril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$825FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$544Average$847FlexibilityNo cancel feeOn-time70%

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