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O'Hare Intl

$428+ Cheap flights from Belfast Intl (BFS) to O'Hare Intl (ORD)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
févr. 7 — févr. 141
sam. 2/7
sam. 2/14
1 adult, Economy
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Find flight deals from Belfast Intl to O'Hare Intl

One-way flights from Belfast Intl to O'Hare Intl
Search for one-way flight options from Belfast Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated janvier 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
jeu. 5/142:00 pmBFS - ORD
3 stops33h 50mMultiple Airlines
Deal found 1/7$428
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
mer. 5/137:00 amBFS - ORD
3 stops37h 15mMultiple Airlines
Deal found 1/7$430
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
dim. 5/1710:00 pmBFS - ORD
3 stops26h 15mMultiple Airlines
Deal found 1/7$450
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
ven. 5/155:05 pmBFS - ORD
3 stops30h 45mMultiple Airlines
Deal found 1/7$454
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
sam. 5/167:15 amBFS - ORD
3 stops17h 00mMultiple Airlines
Deal found 1/7$482
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
dim. 6/217:00 amBFS - ORD
3 stops37h 30mMultiple Airlines
Deal found 1/6$580

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belfast Intl 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 janvier 8, 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Belfast Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

jeu. 5/14

2:00 pm-5:50 pm

3 stops33h 50m

$428

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

dim. 5/17

10:00 pm-6:15 pm

3 stops26h 15m

$450

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

ven. 5/15

5:05 pm-5:50 pm

3 stops30h 45m

$454

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

sam. 5/16

7:15 am-6:15 pm

3 stops17h 00m

$482

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

mer. 5/13

4:20 pm-2:15 pm

2 stops27h 55m

$489

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

dim. 6/21

7:00 am-2:30 pm

3 stops37h 30m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Best time to book a flight from Belfast Intl to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Belfast Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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.

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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.

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
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Alternative routes for Belfast Intl to O'Hare Intl

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Belfast City to O'Hare Intl flights

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