Belfast Intl

$224+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
Nov 12 — Nov 191
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 October 13, 2025.

Round-trip from

$548
(Mytrip)

One-way from

$224
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$686
From USA to Belfast Intl
One-way flight from USA to Belfast Intl
Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 13, 2025.

This Mytrip deal was found by Cheapflights users on 10/12. 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.
Sun 11/98:50 pmEWR - BFS
2 stops19h 25mMultiple Airlines
Sun 11/165:45 amBFS - EWR
2 stops18h 20mMultiple Airlines
Deal found 10/12$548
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/196:20 pmJFK - BFS
2 stops49h 15mMultiple Airlines
Tue 11/48:55 pmBFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 10/12$581
This Mytrip deal was found by Cheapflights users on 10/11. 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 11/2412:30 amJFK - BFS
3 stops40h 40mMultiple Airlines
Tue 12/21:55 pmBFS - JFK
3 stops34h 10mMultiple Airlines
Deal found 10/11$590
This Mytrip deal was found by Cheapflights users on 10/12. 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 11/116:05 pmBOS - BFS
2 stops21h 10mMultiple Airlines
Tue 11/188:55 pmBFS - BOS
3 stops46h 40mMultiple Airlines
Deal found 10/12$590
This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:40 pmIAD - BFS
2 stops20h 00mMultiple Airlines
Thu 12/46:30 amBFS - IAD
2 stops17h 00mMultiple Airlines
Deal found 10/13$595
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Wed 11/265:00 pmJFK - BFS
2 stops18h 15mMultiple Airlines
Wed 12/36:30 amBFS - JFK
3 stops41h 35mMultiple Airlines
Deal found 10/12$597
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Sun 10/1910:50 pmEWR - BFS
2 stops17h 40mMultiple Airlines
Tue 11/49:25 amBFS - EWR
3 stops35h 05mMultiple Airlines
Deal found 10/12$619
This Mytrip deal was found by Cheapflights users on 10/11. 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 11/102:31 pmORD - BFS
3 stops23h 44mMultiple Airlines
Tue 11/256:25 pmBFS - ORD
3 stops26h 35mMultiple Airlines
Deal found 10/11$626
This Connections by easyJet deal was found by Cheapflights users on 10/12. 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.
Tue 11/256:05 pmJFK - BFS
1 stop11h 20mMultiple Airlines
Fri 11/286:30 amBFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 10/12$638
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Wed 11/267:50 pmBOS - BFS
2 stops15h 20mMultiple Airlines
Wed 12/37:55 amBFS - BOS
2 stops31h 40mMultiple Airlines
Deal found 10/12$646
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/96:05 pmJFK - BFS
1 stop19h 20mMultiple Airlines
Sun 11/1610:45 pmBFS - JFK
1 stop22h 10mMultiple Airlines
Deal found 10/12$649
This Mytrip deal was found by Cheapflights users on 10/11. 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 11/185:30 pmIAD - BFS
2 stops19h 25mMultiple Airlines
Sat 11/2210:25 pmBFS - IAD
3 stops45h 50mMultiple Airlines
Deal found 10/11$650

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 October 13, 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

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 11/9

8:50 pm-9:15 pm

2 stops19h 25m

Belfast Intl

Sun 11/16

5:45 am-7:05 pm

2 stops18h 20m

$548

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 11/24

12:30 am-10:10 pm

3 stops40h 40m

Belfast Intl

Tue 12/2

1:55 pm-7:05 pm

3 stops34h 10m

$590

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Tue 11/11

6:05 pm-8:15 pm

2 stops21h 10m

Belfast Intl

Tue 11/18

8:55 pm-2:35 pm

3 stops46h 40m

$590

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 11/27

7:40 pm-8:40 pm

2 stops20h 00m

Belfast Intl

Thu 12/4

6:30 am-6:30 pm

2 stops17h 00m

$595

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 11/26

5:00 pm-4:15 pm

2 stops18h 15m

Belfast Intl

Wed 12/3

6:30 am-7:05 pm

3 stops41h 35m

$597

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Thu 11/27

7:35 pm-8:25 pm

2 stops19h 50m

Belfast Intl

Thu 12/4

6:30 am-6:25 pm

2 stops16h 55m

$598

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 11/27

5:00 pm-8:25 pm

2 stops22h 25m

Belfast Intl

Thu 12/4

7:05 am-7:25 pm

2 stops17h 20m

$625

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 11/10

2:31 pm-8:15 pm

3 stops23h 44m

Belfast Intl

Tue 11/25

6:25 pm-3:00 pm

3 stops26h 35m

$626

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 11/25

6:05 pm-10:25 am

1 stop11h 20m

Belfast Intl

Fri 11/28

6:30 am-3:55 pm

1 stop14h 25m

$638

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Wed 11/26

7:50 pm-4:10 pm

2 stops15h 20m

Belfast Intl

Wed 12/3

7:55 am-10:35 am

2 stops31h 40m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 49 results
1
2
3
...
5

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 $671). 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 October 13, 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 October 13, 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.

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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?

  • 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 $671). 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.

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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$538Average$820FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$565Average$769FlexibilityNo 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.