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$327+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 December 3, 2025.

This Trip.com deal was found by Cheapflights users on 12/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/157:05 amBFS - ORD
2 stops39h 40mMultiple Airlines
Thu 1/227:20 pmORD - BFS
2 stops21h 00mMultiple Airlines
Deal found 12/1$559
This American Airlines deal was found by Cheapflights users on 11/30. 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 1/146:35 amBHD - ORD
1 stop14h 50mAmerican Airlines
Sun 1/188:45 pmORD - BHD
1 stop11h 10mAmerican Airlines
Deal found 11/30$716
This Gotogate deal was found by Cheapflights users on 12/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/106:35 amBHD - ORD
2 stops18h 40mBritish Airways
Sat 1/179:45 pmORD - BHD
1 stop10h 30mBritish Airways
Deal found 12/1$779
This Delta deal was found by Cheapflights users on 12/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/145:20 pmBHD - ORD
2 stops30h 06mDelta
Sun 1/181:57 pmORD - BHD
2 stops20h 53mDelta
Deal found 12/1$781
This Booking.com deal was found by Cheapflights users on 12/3. 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.
Mon 6/15:30 pmBHD - ORD
1 stop26h 45mVirgin Atlantic
Sun 6/74:20 pmORD - BHD
1 stop18h 35mVirgin Atlantic
Deal found 12/3$948
This Mytrip deal was found by Cheapflights users on 12/3. 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 1/1712:45 pmBFS - ORD
3 stops32h 00mMultiple Airlines
Sat 1/246:30 pmORD - BFS
2 stops22h 10mMultiple Airlines
Deal found 12/3$653
This British Airways deal was found by Cheapflights users on 12/2. 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.
Wed 1/1412:25 pmBHD - ORD
1 stop12h 20mBritish Airways
Sun 1/187:49 pmORD - BHD
2 stops32h 51mBritish Airways
Deal found 12/2$793
This Mytrip deal was found by Cheapflights users on 12/3. 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 6/16:50 pmBFS - ORD
3 stops29h 00mMultiple Airlines
Sun 6/77:20 pmORD - BFS
2 stops20h 10mMultiple Airlines
Deal found 12/3$756
This Mytrip deal was found by Cheapflights users on 12/1. 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 1/106:55 amBFS - ORD
3 stops37h 50mMultiple Airlines
Sat 1/176:30 pmORD - BFS
2 stops22h 10mMultiple Airlines
Deal found 12/1$759

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 December 3, 2025.

Round-trip from

$559
(Trip.com)

One-way from

$327
(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 December 3, 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

Thu 1/15

7:05 am-4:45 pm

2 stops39h 40m

Chicago O'Hare Intl

Thu 1/22

7:20 pm-10:20 pm

2 stops21h 00m

$559

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/17

12:45 pm-2:45 pm

3 stops32h 00m

Chicago O'Hare Intl

Sat 1/24

6:30 pm-10:40 pm

2 stops22h 10m

$653

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 1/14

6:35 am-3:25 pm

1 stop14h 50m

Chicago O'Hare Intl

Sun 1/18

8:45 pm-1:55 pm

1 stop11h 10m

$716

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/1

6:50 pm-5:50 pm

3 stops29h 00m

Chicago O'Hare Intl

Sun 6/7

7:20 pm-9:30 pm

2 stops20h 10m

$756

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/10

6:55 am-2:45 pm

3 stops37h 50m

Chicago O'Hare Intl

Sat 1/17

6:30 pm-10:40 pm

2 stops22h 10m

$759

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 1/10

6:35 am-7:15 pm

2 stops18h 40m

Chicago O'Hare Intl

Sat 1/17

9:45 pm-2:15 pm

1 stop10h 30m

$779

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 1/14

5:20 pm-5:26 pm

2 stops30h 06m

Chicago O'Hare Intl

Sun 1/18

1:57 pm-4:50 pm

2 stops20h 53m

$781

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 1/14

12:25 pm-6:45 pm

1 stop12h 20m

Chicago O'Hare Intl

Sun 1/18

7:49 pm-10:40 am

2 stops32h 51m

$793

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 6/1

5:30 pm-2:15 pm

1 stop26h 45m

Chicago O'Hare Intl

Sun 6/7

4:20 pm-4:55 pm

1 stop18h 35m

$948

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 1/30

6:00 pm-10:42 pm

3 stops58h 42m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 28 results
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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 $716, American Airlines can have you in Illinois from Northern Ireland in 14h 50m. 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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Alternative routes for Northern Ireland to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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