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$652+ Cheap flights from Northern Ireland to Illinois

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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Northern Ireland to Illinois

Cheapest flights from Northern Ireland to Illinois
Explore the most affordable flight options available from Northern Ireland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This Mytrip deal was found by Cheapflights users on 2/18. 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 4/132:30 pm
BHD
-
ORD
2 stops33h 45m
Multiple Airlines
Mon 4/207:25 pm
ORD
-
BHD
2 stops15h 25m
Multiple Airlines
Deal found 2/18$774
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:30 am
BHD
-
ORD
1 stop11h 50m
American Airlines
Mon 4/207:05 pm
ORD
-
BHD
1 stop11h 50m
American Airlines
Deal found 2/18$806
This Virgin Atlantic deal was found by Cheapflights users on 2/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:30 pm
BHD
-
ORD
1 stop26h 45m
Virgin Atlantic
Mon 4/2011:00 am
ORD
-
BHD
2 stops16h 20m
Virgin Atlantic
Deal found 2/18$826
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Sat 4/49:30 pm
BFS
-
ORD
3 stops46h 05m
Multiple Airlines
Sat 4/116:05 pm
ORD
-
BFS
2 stops20h 35m
Multiple Airlines
Deal found 2/18$971
This Booking.com deal was found by Cheapflights users on 2/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:00 am
BFS
-
ORD
2 stops18h 15m
Multiple Airlines
Thu 4/99:00 pm
ORD
-
BFS
2 stops19h 50m
Multiple Airlines
Deal found 2/16$1,092
This Kiwi.com deal was found by Cheapflights users on 2/14. 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.
Mon 3/165:45 am
BFS
-
ORD
1 stop20h 10m
Multiple Airlines
Mon 3/2312:05 pm
ORD
-
BFS
2 stops23h 10m
Multiple Airlines
Deal found 2/14$1,150
This British Airways deal was found by Cheapflights users on 2/17. 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 2/269:05 am
BHD
-
ORD
1 stop15h 40m
British Airways
Mon 3/28:35 pm
ORD
-
BHD
1 stop13h 30m
British Airways
Deal found 2/17$1,158
This British Airways deal was found by Cheapflights users on 2/15. 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 2/1910:40 am
BHD
-
ORD
1 stop12h 20m
British Airways
Mon 2/234:10 pm
ORD
-
BHD
2 stops16h 05m
British Airways
Deal found 2/15$1,325

Find flight deals from Northern Ireland to Illinois

Keep the following information in mind while searching for Northern Ireland to Illinois flight deals. Data was last updated February 18, 2026.

Round-trip from

$728
(Mytrip)

One-way from

$652
(Kiwi.com)
From Northern Ireland to Illinois
Search Deals
One-way flight from Northern Ireland to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Northern Ireland to Illinois 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 February 18, 2026.
Use the filters below to find and compare flights from Northern Ireland to Illinois that are best for you.

Fly from

Northern Ireland

Fly to

Illinois

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/13

2:30 pm-6:15 pm

2 stops33h 45m

Chicago O'Hare Intl

Mon 4/20

7:25 pm-4:50 pm

2 stops15h 25m

$774

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/13

6:30 am-12:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 4/20

7:05 pm-12:55 pm

1 stop11h 50m

$806

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/13

5:30 pm-2:15 pm

1 stop26h 45m

Chicago O'Hare Intl

Mon 4/20

11:00 am-9:20 am

2 stops16h 20m

$826

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 4/4

9:30 pm-1:35 pm

3 stops46h 05m

Chicago O'Hare Intl

Sat 4/11

6:05 pm-8:40 pm

2 stops20h 35m

$971

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 4/2

7:00 am-7:15 pm

2 stops18h 15m

Chicago O'Hare Intl

Thu 4/9

9:00 pm-10:50 pm

2 stops19h 50m

$1,092

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 3/16

5:45 am-8:55 pm

1 stop20h 10m

Chicago O'Hare Intl

Mon 3/23

12:05 pm-4:15 pm

2 stops23h 10m

$1,150

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 7/26

10:00 pm-7:15 pm

3 stops27h 15m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Best time to book a flight from Northern Ireland to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Northern Ireland 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 Northern Ireland to Illinois
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 Northern Ireland to Illinois. 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 Northern Ireland to Illinois?

    For as low as $806, American Airlines can have you in Illinois from Northern Ireland in 11h 50m. The distance from Northern Ireland to Illinois is about 3644 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Northern Ireland to Illinois that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Illinois.

  • Can I find deals for business class flights from Northern Ireland to Illinois?

    Yes. Cheapflights offers flight deals from Northern Ireland to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Northern Ireland to Illinois

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