Belfast Intl

$197+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
jun. 17 — jun. 241
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 junio 12, 2025.

Round-trip from

$531
(Mytrip)

One-way from

$197
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$690
From USA to Belfast Intl
One-way flight from USA to Belfast Intl
Highest demand for flights based on searches. 13% potential increase in price ($141 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in June 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 junio 12, 2025.

This Connections by easyJet deal was found by Cheapflights users on 6/10. 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.
mar. 9/166:20 pmJFK - BFS
1 stop10h 35mMultiple Airlines
lun. 9/228:55 pmBFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 6/10$500
This PLAY deal was found by Cheapflights users on 6/9. 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.
vie. 11/286:20 pmBOS - BFS
2 stops13h 55mMultiple Airlines
lun. 12/16:00 amBFS - BOS
2 stops16h 00mMultiple Airlines
Deal found 6/9$590
This Mytrip deal was found by Cheapflights users on 6/10. 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.
lun. 9/13:30 pmEWR - BFS
2 stops19h 40mMultiple Airlines
dom. 9/710:55 pmBFS - EWR
2 stops28h 54mMultiple Airlines
Deal found 6/10$626
This PLAY deal was found by Cheapflights users on 6/9. 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.
vie. 10/36:50 pmBWI - BFS
2 stops14h 00mMultiple Airlines
dom. 10/127:00 amBFS - BWI
2 stops15h 40mMultiple Airlines
Deal found 6/9$678
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mié. 9/310:02 amATL - BFS
3 stops29h 33mMultiple Airlines
lun. 9/88:55 pmBFS - ATL
2 stops31h 20mMultiple Airlines
Deal found 6/10$731
This Trip.com deal was found by Cheapflights users on 6/9. 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.
mié. 10/84:30 pmSFO - BFS
1 stop22h 40mMultiple Airlines
mar. 10/146:45 amBFS - SFO
1 stop18h 40mMultiple Airlines
Deal found 6/9$756
This Mytrip deal was found by Cheapflights users on 6/9. 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.
vie. 10/36:10 pmIAD - BFS
2 stops22h 00mMultiple Airlines
dom. 10/128:40 amBFS - IAD
2 stops33h 50mMultiple Airlines
Deal found 6/9$795
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mié. 9/38:30 amCLT - BFS
2 stops26h 00mMultiple Airlines
lun. 9/86:10 amBFS - CLT
2 stops22h 18mMultiple Airlines
Deal found 6/10$829
This Mytrip deal was found by Cheapflights users on 6/12. 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.
mié. 7/236:59 amDCA - BFS
2 stops30h 36mMultiple Airlines
dom. 7/276:45 amBFS - DCA
3 stops34h 18mMultiple Airlines
Deal found 6/12$867
This Mytrip deal was found by Cheapflights users on 6/12. 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.
dom. 7/2710:47 amSTL - BFS
3 stops27h 33mMultiple Airlines
dom. 8/310:55 pmBFS - STL
2 stops26h 50mMultiple Airlines
Deal found 6/12$1,187

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 junio 12, 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

mar. 9/16

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

lun. 9/22

8:55 pm-3:55 pm

1 stop24h 00m

$500

NewarkBelfast

EWR - BFS

EWRBFS

Newark

lun. 9/1

3:30 pm-4:10 pm

2 stops19h 40m

Belfast Intl

dom. 9/7

10:55 pm-10:49 pm

2 stops28h 54m

$626

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

dom. 8/3

8:50 pm-11:10 pm

2 stops21h 20m

Belfast Intl

mar. 8/19

7:00 am-11:35 am

2 stops33h 35m

$675

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

mié. 9/3

10:02 am-8:35 pm

3 stops29h 33m

Belfast Intl

lun. 9/8

8:55 pm-11:15 pm

2 stops31h 20m

$731

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

mié. 10/8

4:30 pm-11:10 pm

1 stop22h 40m

Belfast Intl

mar. 10/14

6:45 am-5:25 pm

1 stop18h 40m

$756

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

vie. 10/3

6:10 pm-9:10 pm

2 stops22h 00m

Belfast Intl

dom. 10/12

8:40 am-1:30 pm

2 stops33h 50m

$795

CharlotteBelfast

CLT - BFS

CLTBFS

Charlotte Douglas

mié. 9/3

8:30 am-3:30 pm

2 stops26h 00m

Belfast Intl

lun. 9/8

6:10 am-11:28 pm

2 stops22h 18m

$829

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

vie. 8/22

8:30 pm-9:10 pm

2 stops19h 40m

Belfast Intl

sáb. 8/30

4:30 pm-12:34 am

3 stops37h 04m

$836

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

mié. 7/23

6:00 am-6:35 pm

3 stops31h 35m

Belfast Intl

dom. 7/27

6:45 am-12:03 pm

3 stops34h 18m

$867

St. LouisBelfast

STL - BFS

STLBFS

Lambert-St Louis

dom. 7/27

10:47 am-8:20 pm

3 stops27h 33m

Belfast Intl

dom. 8/3

10:55 pm-7:45 pm

2 stops26h 50m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
1
2

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, February is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $657). Flying from USA to Belfast Intl Airport 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from USA to Belfast Intl Airport, 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 Intl by month

Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast Intl Airport 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 Intl Airport when rainfall is around 2.0 in.

Temperature in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast Intl Airport, 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).

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, February is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of $657). Flying from USA to Belfast Intl Airport 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 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$809FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$519Average$849FlexibilityNo cancel feeOn-time70%

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.