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$338+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap flight deals from Northern Ireland to Illinois

Best flights from Northern Ireland to Illinois
Discover carefully curated flight deals from Northern Ireland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 12/13. 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.
mar. 1/276:00 amBFS - ORD
3 stops39h 00mMultiple Airlines
mar. 2/36:30 pmORD - BFS
2 stops19h 45mMultiple Airlines
Deal found 12/13$670
This British Airways deal was found by Cheapflights users on 12/13. 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.
jue. 1/296:35 amBHD - ORD
1 stop13h 15mBritish Airways
lun. 2/25:10 pmORD - BHD
1 stop15h 05mBritish Airways
Deal found 12/13$836
This Mytrip deal was found by Cheapflights users on 12/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/286:30 amBFS - ORD
2 stops16h 50mMultiple Airlines
mié. 2/46:30 pmORD - BFS
2 stops19h 05mMultiple Airlines
Deal found 12/14$727
This British Airways deal was found by Cheapflights users on 12/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/266:35 amBHD - ORD
1 stop14h 50mBritish Airways
jue. 1/298:45 pmORD - BHD
1 stop13h 55mBritish Airways
Deal found 12/12$2,534

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 diciembre 15, 2025.

Round-trip from

$670
(Mytrip)

One-way from

$338
(Kiwi.com)
From Northern Ireland to Illinois
Search Deals
One-way flight from Northern Ireland to Illinois
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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 diciembre 15, 2025.
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

BFS - ORD

BFSORD

Belfast Intl

mar. 1/27

6:00 am-3:00 pm

3 stops39h 00m

Chicago O'Hare Intl

mar. 2/3

6:30 pm-8:15 pm

2 stops19h 45m

$670

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

mié. 1/28

6:30 am-5:20 pm

2 stops16h 50m

Chicago O'Hare Intl

mié. 2/4

6:30 pm-7:35 pm

2 stops19h 05m

$727

BelfastChicago

BHD - ORD

BHDORD

Belfast City

jue. 1/29

6:35 am-1:50 pm

1 stop13h 15m

Chicago O'Hare Intl

lun. 2/2

5:10 pm-2:15 pm

1 stop15h 05m

$836

BelfastChicago

BHD - ORD

BHDORD

Belfast City

lun. 1/26

6:35 am-3:25 pm

1 stop14h 50m

Chicago O'Hare Intl

jue. 1/29

8:45 pm-4:40 pm

1 stop13h 55m

$2,534

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

jue. 1/29

6:30 am-10:35 am

2 stops34h 05m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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 $836, British Airways can have you in Illinois from Northern Ireland in 13h 15m. The distance from Northern Ireland to Illinois is about 3644 mi.

  • 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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