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$817+ Cheap flights from Northern Ireland to Illinois

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/149:15 amBHD - ORD
1 stop15h 30mAmerican Airlines
Sun 1/189:45 pmORD - BHD
1 stop14h 55mAmerican Airlines
Deal found 11/19$817
This Virgin Atlantic deal was found by Cheapflights users on 11/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:20 pmBHD - ORD
2 stops30h 35mVirgin Atlantic
Sun 1/181:57 pmORD - BHD
2 stops20h 53mVirgin Atlantic
Deal found 11/19$936
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Sun 1/47:10 amBFS - ORD
2 stops16h 45mMultiple Airlines
Sun 1/116:30 pmORD - BFS
2 stops18h 25mMultiple Airlines
Deal found 11/20$1,092

Cheap 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 November 21, 2025.

Round-trip from

$817
(American Airlines)
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 November 21, 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

BHD - ORD

BHDORD

Belfast City

Wed 1/14

9:15 am-6:45 pm

1 stop15h 30m

Chicago O'Hare Intl

Sun 1/18

9:45 pm-6:40 pm

1 stop14h 55m

$817

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 1/14

5:20 pm-5:55 pm

2 stops30h 35m

Chicago O'Hare Intl

Sun 1/18

1:57 pm-4:50 pm

2 stops20h 53m

$936

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 1/4

7:10 am-5:55 pm

2 stops16h 45m

Chicago O'Hare Intl

Sun 1/11

6:30 pm-6:55 pm

2 stops18h 25m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 $817, American Airlines can have you in Illinois from Northern Ireland in 15h 30m. 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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