Belfast Intl

$325+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
May 29 — Jun 51
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

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 April 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/26. 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 9/2411:00 pm
BOS
-
BFS
2 stops17h 00m
Multiple Airlines
Thu 10/2210:15 am
BFS
-
BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/26$595
This Connections by easyJet deal was found by Cheapflights users on 4/28. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 pm
JFK
-
BFS
1 stop21h 35m
Multiple Airlines
Mon 10/198:55 pm
BFS
-
JFK
1 stop24h 00m
Multiple Airlines
Deal found 4/28$680
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 9/1711:00 pm
BOS
-
BFS
2 stops17h 00m
Multiple Airlines
Thu 10/110:15 am
BFS
-
BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/26$696
This Connections by easyJet deal was found by Cheapflights users on 4/27. 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.
Sat 10/36:20 pm
JFK
-
BFS
1 stop32h 25m
Multiple Airlines
Sat 10/106:20 am
BFS
-
JFK
1 stop14h 35m
Multiple Airlines
Deal found 4/27$707
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 4/286:20 pm
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Thu 5/76:35 am
BFS
-
JFK
1 stop14h 20m
Multiple Airlines
Deal found 4/27$731
This Mytrip deal was found by Cheapflights users on 4/27. 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 9/168:25 pm
EWR
-
BFS
2 stops21h 45m
Multiple Airlines
Wed 9/234:55 pm
BFS
-
EWR
2 stops33h 05m
Multiple Airlines
Deal found 4/27$756
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/278:25 pm
EWR
-
BFS
2 stops19h 35m
Multiple Airlines
Wed 6/38:15 pm
BFS
-
EWR
3 stops29h 45m
Multiple Airlines
Deal found 4/27$773
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/278:30 pm
JFK
-
BFS
2 stops19h 30m
Multiple Airlines
Wed 6/38:15 pm
BFS
-
JFK
3 stops28h 50m
Multiple Airlines
Deal found 4/27$773
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 4/306:20 pm
JFK
-
BFS
1 stop33h 05m
Multiple Airlines
Thu 5/76:35 am
BFS
-
JFK
1 stop14h 20m
Multiple Airlines
Deal found 4/29$776
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1011:00 pm
EWR
-
BFS
1 stop14h 25m
Multiple Airlines
Mon 5/182:40 pm
BFS
-
EWR
2 stops35h 15m
Multiple Airlines
Deal found 4/24$781
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/26:20 pm
JFK
-
BFS
1 stop10h 05m
Multiple Airlines
Thu 5/76:35 am
BFS
-
JFK
1 stop14h 20m
Multiple Airlines
Deal found 4/27$782
This Connections by easyJet deal was found by Cheapflights users on 4/24. 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 5/126:20 pm
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Mon 5/189:00 pm
BFS
-
JFK
1 stop23h 55m
Multiple Airlines
Deal found 4/24$784

Find 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 April 29, 2026.

Round-trip from

$595
(Kiwi.com)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$523
From USA to Belfast Intl
One-way flight from USA to Belfast Intl
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 29, 2026.
Use the filters below to find and compare flights from the United States to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 9/24

11:00 pm-9:00 pm

2 stops17h 00m

Belfast Intl

Thu 10/22

10:15 am-9:15 pm

1 stop16h 00m

$595

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 10/13

6:20 pm-8:55 pm

1 stop21h 35m

Belfast Intl

Mon 10/19

8:55 pm-3:55 pm

1 stop24h 00m

$680

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 5/10

11:00 pm-6:25 pm

1 stop14h 25m

Belfast Intl

Mon 5/18

2:40 pm-8:55 pm

2 stops35h 15m

$781

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 5/12

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Mon 5/18

9:00 pm-3:55 pm

1 stop23h 55m

$784

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 5/10

11:00 pm-6:25 pm

1 stop14h 25m

Belfast Intl

Fri 5/15

11:25 am-4:50 pm

2 stops34h 25m

$785

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 6/3

11:00 am-3:55 pm

2 stops23h 55m

Belfast Intl

Sun 6/7

10:10 pm-3:30 pm

3 stops46h 20m

$794

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 10/13

8:25 pm-4:20 pm

2 stops14h 55m

Belfast Intl

Mon 10/19

9:10 am-3:30 pm

2 stops35h 20m

$821

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 6/9

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Tue 6/16

8:55 pm-3:55 pm

1 stop24h 00m

$827

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 5/12

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Fri 5/15

9:10 pm-3:55 pm

1 stop23h 45m

$853
Quickest round-trip

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 6/1

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Tue 6/9

6:15 am-3:55 pm

1 stop14h 40m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $460). Flying from USA to Belfast Intl Airport in June is currently the most expensive (average of $627). 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.

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 April 29, 2026.
Read reviews from past customers who have flown Delta,American Airlines, andBritish 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.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, November is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $460). Flying from USA to Belfast Intl Airport in June is currently the most expensive (average of $627). 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.

Top 3 airlines flying from USA to Belfast Intl

Discover the top 3 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$534Average$875FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$705Average$788FlexibilityNo cancel feeOn-time71%
DeltaCheapest$973Average$1,253FlexibilityNo cancel feeOn-timeN/A

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.