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O'Hare Intl

$678+ Cheap flights from Belfast to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Belfast to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 19, 2025.

Round-trip from

$678
(TravelUp)

Popular in

August

Cheapest in

September

Average price

$1,197
From Belfast to Chicago O'Hare Intl
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Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Belfast to O'Hare Intl

Cheapest flights from Belfast to O'Hare Intl
Explore the most affordable flight options available from Belfast to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This TravelUp deal was found by Cheapflights users on 8/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:50 pmBHD - ORD
1 stop28h 00mMultiple Airlines
Mon 9/2210:35 pmORD - BHD
1 stop11h 05mMultiple Airlines
Deal found 8/18$678
This TravelUp deal was found by Cheapflights users on 8/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:40 amBHD - ORD
1 stop14h 10mBritish Airways
Mon 9/2210:35 pmORD - BHD
1 stop12h 55mBritish Airways
Deal found 8/18$699
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:30 amBHD - ORD
1 stop14h 10mKLM
Mon 9/226:50 pmORD - BHD
2 stops16h 05mKLM
Deal found 8/18$719
This Mytrip deal was found by Cheapflights users on 8/17. 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 10/17:15 amBFS - ORD
2 stops20h 00mMultiple Airlines
Wed 10/87:25 pmORD - BFS
2 stops14h 05mMultiple Airlines
Deal found 8/17$734
This TravelUp deal was found by Cheapflights users on 8/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:30 amBHD - ORD
2 stops20h 45mVirgin Atlantic
Mon 9/225:15 pmORD - BHD
2 stops17h 40mVirgin Atlantic
Deal found 8/18$741
This Mytrip deal was found by Cheapflights users on 8/19. 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 10/36:05 amBFS - ORD
2 stops21h 10mMultiple Airlines
Fri 10/107:25 pmORD - BFS
2 stops18h 40mMultiple Airlines
Deal found 8/19$752
This Mytrip deal was found by Cheapflights users on 8/18. 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 9/158:10 amBFS - ORD
2 stops16h 50mMultiple Airlines
Mon 9/223:45 pmORD - BFS
2 stops13h 35mMultiple Airlines
Deal found 8/18$772
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:50 amBHD - ORD
2 stops15h 10mAer Lingus
Tue 10/213:45 pmORD - BHD
2 stops15h 05mAer Lingus
Deal found 8/17$4,548
This ChecknFly deal was found by Cheapflights users on 8/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:30 amBHD - ORD
1 stop14h 10mVirgin Atlantic
Tue 10/214:15 pmORD - BHD
1 stop23h 00mVirgin Atlantic
Deal found 8/17$4,815
This ChecknFly deal was found by Cheapflights users on 8/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:25 pmBHD - ORD
1 stop26h 45mMultiple Airlines
Tue 10/211:25 pmORD - BHD
2 stops21h 30mMultiple Airlines
Deal found 8/17$4,841
This British Airways deal was found by Cheapflights users on 8/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:40 pmBHD - ORD
1 stop11h 35mBritish Airways
Mon 10/2010:35 pmORD - BHD
1 stop11h 05mBritish Airways
Deal found 8/17$4,974
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Wed 10/1510:20 amBHD - ORD
2 stops16h 55mMultiple Airlines
Mon 10/209:15 pmORD - BHD
1 stop14h 15mMultiple Airlines
Deal found 8/17$5,338

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belfast to O'Hare 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 August 19, 2025.
Use the filters below to find and compare flights from Belfast to Chicago O'Hare Intl Airport that are best for you.

Fly from

Belfast

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/15

1:50 pm-11:50 am

1 stop28h 00m

Chicago O'Hare Intl

Mon 9/22

10:35 pm-3:40 pm

1 stop11h 05m

$678

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/15

6:40 am-2:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Mon 9/22

10:35 pm-5:30 pm

1 stop12h 55m

$699

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/15

6:30 am-2:40 pm

1 stop14h 10m

Chicago O'Hare Intl

Mon 9/22

6:50 pm-4:55 pm

2 stops16h 05m

$719

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/1

7:15 am-9:15 pm

2 stops20h 00m

Chicago O'Hare Intl

Wed 10/8

7:25 pm-3:30 pm

2 stops14h 05m

$734

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/15

6:30 am-9:15 pm

2 stops20h 45m

Chicago O'Hare Intl

Mon 9/22

5:15 pm-4:55 pm

2 stops17h 40m

$741

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 10/3

6:05 am-9:15 pm

2 stops21h 10m

Chicago O'Hare Intl

Fri 10/10

7:25 pm-8:05 pm

2 stops18h 40m

$752

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 9/15

8:10 am-7:00 pm

2 stops16h 50m

Chicago O'Hare Intl

Mon 9/22

3:45 pm-11:20 am

2 stops13h 35m

$772

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 10/15

9:50 am-7:00 pm

2 stops15h 10m

Chicago O'Hare Intl

Tue 10/21

3:45 pm-12:50 pm

2 stops15h 05m

$4,548

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 10/15

6:30 am-2:40 pm

1 stop14h 10m

Chicago O'Hare Intl

Tue 10/21

4:15 pm-9:15 pm

1 stop23h 00m

$4,815

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 10/15

5:25 pm-2:10 pm

1 stop26h 45m

Chicago O'Hare Intl

Tue 10/21

1:25 pm-4:55 pm

2 stops21h 30m

$4,841

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 13 results
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Best time to book a flight from Belfast to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Belfast 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 Belfast to Chicago O'Hare Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from Belfast to Chicago O'Hare Intl Airport?

    A quick flight from Belfast to Chicago O'Hare Intl Airport can take about 14h 10m. British Airways provides one of the quickest options available for as low as $699. The distance between Belfast and Chicago O'Hare Intl Airport is about 3644 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Belfast to O'Hare Intl?

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

  • Can I find deals for business class flights from Belfast to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Belfast to O'Hare 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 Belfast to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Belfast to Chicago O'Hare Intl Airport (average of $245). Flying from Belfast to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Hoffman Estates
Beloit
Skokie
Des Plaines
Elgin
Gurnee
Arlington Heights
Racine
Rockford
Great Lakes
Orland Park
Naperville
Merrillville
Elk Grove Village
Downers Grove
Evanston
Lake Geneva
Joliet

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Alternative routes for Belfast to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to O'Hare Intl flights
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