HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast Intl

$269+ Cheap flights from the United States to Belfast Intl (BFS)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Belfast Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Belfast Intl

Keep the following information in mind while searching for USA to Belfast Intl flight deals. Data was last updated November 29, 2025.

Round-trip from

$482
(Connections by easyJet)

One-way from

$269
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$460
From USA to Belfast Intl
Search Deals
One-way flight from USA to Belfast Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from USA to Belfast Intl

Cheapest flights from USA to Belfast Intl
Explore the most affordable flight options available from USA to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This Mytrip deal was found by Cheapflights users on 11/28. 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 12/29:00 pmJFK - BFS
2 stops19h 50mMultiple Airlines
Thu 12/42:25 pmBFS - JFK
2 stops27h 40mMultiple Airlines
Deal found 11/28$709
This Mytrip deal was found by Cheapflights users on 11/28. 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 12/211:55 pmEWR - BFS
2 stops16h 55mMultiple Airlines
Thu 12/47:15 amBFS - EWR
3 stops45h 44mMultiple Airlines
Deal found 11/28$778
This Mytrip deal was found by Cheapflights users on 11/28. 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.
Fri 12/56:05 pmBOS - BFS
3 stops25h 50mMultiple Airlines
Fri 12/126:00 amBFS - BOS
2 stops33h 35mMultiple Airlines
Deal found 11/28$1,064
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Sun 12/286:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Mon 12/298:50 pmBFS - JFK
2 stops22h 00mMultiple Airlines
Deal found 11/29$1,421
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Mon 12/296:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Tue 12/308:55 pmBFS - JFK
2 stops23h 45mMultiple Airlines
Deal found 11/29$1,483
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Sun 12/286:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Tue 12/307:05 amBFS - JFK
2 stops15h 50mMultiple Airlines
Deal found 11/29$1,545
This Mytrip deal was found by Cheapflights users on 11/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:15 pmLAX - BFS
2 stops16h 00mMultiple Airlines
Mon 1/57:20 pmBFS - LAX
3 stops27h 55mMultiple Airlines
Deal found 11/29$1,653
This Mytrip deal was found by Cheapflights users on 11/28. 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.
Fri 12/265:05 pmIAD - BFS
2 stops15h 00mMultiple Airlines
Fri 1/26:00 amBFS - IAD
3 stops28h 00mMultiple Airlines
Deal found 11/28$1,761
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Mon 12/296:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Wed 12/316:30 amBFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 11/29$1,841
This Kiwi.com deal was found by Cheapflights users on 11/29. 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 12/257:05 pmJFK - BFS
1 stop10h 25mMultiple Airlines
Wed 12/317:55 amBFS - JFK
2 stops16h 30mMultiple Airlines
Deal found 11/29$1,852
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Sun 12/286:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Wed 12/316:30 amBFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 11/29$1,899
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Fri 12/266:05 pmJFK - BFS
1 stop11h 00mMultiple Airlines
Wed 12/316:30 amBFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 11/29$1,975

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Belfast Intl 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 November 29, 2025.
Use the filters below to find and compare flights from the United States to Belfast Intl Airport that are best for you.

Fly from

USA

Fly to

Belfast Intl

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 1/12

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Mon 1/19

8:55 pm-3:55 pm

1 stop24h 00m

$482

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 1/13

6:05 pm-10:05 am

1 stop11h 00m

Belfast Intl

Tue 1/20

6:30 am-3:55 pm

1 stop14h 25m

$499

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 1/13

5:10 pm-10:20 am

2 stops12h 10m

Belfast Intl

Tue 1/20

6:30 am-6:59 pm

2 stops17h 29m

$575

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Mon 1/12

5:10 pm-8:15 pm

2 stops22h 05m

Belfast Intl

Mon 1/19

7:20 pm-6:59 pm

2 stops28h 39m

$580

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 1/14

7:40 pm-4:10 pm

2 stops15h 30m

Belfast Intl

Wed 1/21

7:55 am-6:30 pm

2 stops15h 35m

$588

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 1/13

5:45 pm-10:20 am

2 stops11h 35m

Belfast Intl

Tue 1/20

6:30 am-4:15 pm

2 stops14h 45m

$589

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 1/11

5:45 pm-6:55 pm

2 stops20h 10m

Belfast Intl

Sun 1/18

7:10 am-4:15 pm

2 stops14h 05m

$593

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 4/18

6:20 pm-7:45 am

1 stop32h 25m

Belfast Intl

Tue 4/21

6:15 am-3:55 pm

1 stop14h 40m

$610

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 3/18

7:05 pm-8:30 am

1 stop33h 25m

Belfast Intl

Fri 3/27

7:30 am-9:05 pm

2 stops17h 35m

$614

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 3/11

8:50 pm-10:20 pm

2 stops21h 30m

Belfast Intl

Mon 3/16

6:30 am-6:50 pm

2 stops16h 20m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from USA to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $534). Flying from USA to Belfast Intl Airport in December is currently the most expensive (average of $672). 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 29, 2025.

One of the essential ways to save on airfare from USA to Belfast Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Intl. Reviews last updated November 29, 2025.
Read reviews from past customers who have flown American Airlines, Aer Lingus, and British Airways from the United States to Belfast Intl Airport. 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.
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.2
Good
11,042 reviews
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
Aer Lingus
7.2
Good
1,384 reviews
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
British Airways
6.7
Okay
7,545 reviews
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Overall

7.2

Crew

8.0

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

Related info for your journey

Find useful and relevant information for your journey from USA to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    When deciding which route to take from USA to Belfast Intl Airport consider New York John F Kennedy Intl - Belfast Intl, Newark - Belfast Intl or Seattle/Tacoma Intl - Belfast Intl as they are the most popular.

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

    Yes. In addition to deals on USA to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Belfast Intl.

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

    Yes. Cheapflights offers flight deals from USA to Belfast Intl 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 Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $534). Flying from USA to Belfast Intl Airport in December is currently the most expensive (average of $672). 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 Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Belfast Intl flights
John F Kennedy Intl to Belfast City flights
Newark to Belfast Intl flights
Newark to Belfast City flights
Seattle to Belfast Intl flights
Seattle to Belfast City flights
Atlanta to Belfast Intl flights
Atlanta to Belfast City flights
Los Angeles to Belfast Intl flights
Dallas/Fort Worth to Belfast Intl flights
LaGuardia to Belfast City flights
LaGuardia to Belfast Intl flights
Boston to Belfast Intl flights
Dallas/Fort Worth to Belfast City flights
Los Angeles to Belfast City flights
Raleigh to Belfast Intl flights
San Francisco to Belfast Intl flights
Dulles Intl to Belfast Intl flights
Dulles Intl to Belfast City flights
Raleigh to Belfast City flights
Baltimore to Belfast Intl flights
Charlotte to Belfast City flights
Reagan-National to Belfast Intl flights
Boston to Belfast City flights
Baltimore to Belfast City flights
Greensboro to Belfast City flights
San Francisco to Belfast City flights
Hobby to Belfast City flights
O'Hare Intl to Belfast Intl flights
Reagan-National to Belfast City flights
O'Hare Intl to Belfast City flights
Minneapolis to Belfast Intl flights
Denver to Belfast City flights
Denver to Belfast Intl flights
Philadelphia to Belfast City flights
Hobby to Belfast Intl flights
Philadelphia to Belfast Intl flights
Minneapolis to Belfast City flights
Cincinnati to Belfast City flights
Cincinnati to Belfast Intl flights
Orlando to Belfast Intl flights
Tampa to Belfast City flights
Austin to Belfast Intl flights
San Jose to Belfast Intl flights
Pittsburgh to Belfast Intl flights
Tampa to Belfast Intl flights

Top 2 airlines flying from USA to Belfast Intl

Discover the top 2 airlines that operate flights from USA to Belfast Intl. 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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$542Average$813FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$800FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.