$389+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from Northern Ireland to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Northern Ireland to Illinois
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Best
Last-minute
One-way
Cheapest flights from Northern Ireland to IllinoisExplore 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 11, 2026.
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 11, 2026.
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:20 pm
BFS
- ORD
3 stops46h 40m
Multiple Airlines
Mon 3/236:01 pm
ORD
- BFS
3 stops21h 09m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$734
This Virgin Atlantic deal was found by Cheapflights users on 2/11. 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 3/166:30 am
BHD
- ORD
1 stop13h 50m
Virgin Atlantic
Mon 3/235:25 pm
ORD
- BHD
1 stop18h 20m
Virgin Atlantic
Deal found 2/11![Virgin Atlantic logo]()
$817
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 3/166:30 am
BHD
- ORD
2 stops20h 19m
Delta
Mon 3/2310:40 am
ORD
- BHD
2 stops25h 05m
Delta
Deal found 2/11![Delta logo]()
$823
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:15 am
BHD
- ORD
3 stops30h 02m
Multiple Airlines
Mon 3/233:35 pm
ORD
- BHD
3 stops20h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Thu 3/267:30 am
BFS
- ORD
2 stops18h 30m
Multiple Airlines
Thu 4/29:50 pm
ORD
- BFS
1 stop20h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,005
This lastminute.com deal was found by Cheapflights users on 2/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
BHD
- ORD
2 stops46h 30m
Virgin Atlantic
Sat 4/42:10 pm
ORD
- BHD
2 stops37h 10m
Virgin Atlantic
Deal found 2/9![Virgin Atlantic logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/289:40 am
BFS
- ORD
2 stops31h 55m
Multiple Airlines
Sat 4/43:45 pm
ORD
- BFS
2 stops24h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,089
This British Airways deal was found by Cheapflights users on 2/8. 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 2/196:35 am
BHD
- ORD
1 stop13h 15m
British Airways
Mon 2/234:10 pm
ORD
- BHD
2 stops16h 05m
British Airways
Deal found 2/8![British Airways logo]()
$1,162
This Mytrip deal was found by Cheapflights users on 2/10. 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 6/156:30 am
BFS
- ORD
2 stops12h 55m
Multiple Airlines
Mon 6/155:35 pm
ORD
- BFS
2 stops21h 05m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,440
Best flights from Northern Ireland to IllinoisDiscover 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 February 11, 2026.
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 February 11, 2026.
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:20 pm
BFS
- ORD
3 stops46h 40m
Multiple Airlines
Mon 3/236:01 pm
ORD
- BFS
3 stops21h 09m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 3/166:30 am
BHD
- ORD
1 stop13h 50m
Delta
Mon 3/235:50 pm
ORD
- BHD
2 stops17h 55m
Delta
Deal found 2/11![Delta logo]()
$817
This Virgin Atlantic deal was found by Cheapflights users on 2/11. 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 3/166:30 am
BHD
- ORD
1 stop13h 50m
Virgin Atlantic
Mon 3/235:25 pm
ORD
- BHD
1 stop18h 20m
Virgin Atlantic
Deal found 2/11![Virgin Atlantic logo]()
$817
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:50 am
BHD
- ORD
2 stops15h 25m
Aer Lingus
Mon 6/1510:25 pm
ORD
- BHD
2 stops15h 45m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$1,518
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
BHD
- ORD
1 stop26h 45m
KLM
Sat 4/44:20 pm
ORD
- BHD
1 stop11h 00m
KLM
Deal found 2/9![KLM logo]()
$1,597
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:15 am
BHD
- ORD
3 stops30h 02m
Multiple Airlines
Mon 3/233:35 pm
ORD
- BHD
3 stops20h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:30 am
BHD
- ORD
1 stop13h 20m
British Airways
Mon 6/159:15 pm
ORD
- BHD
1 stop12h 15m
British Airways
Deal found 2/10![British Airways logo]()
$1,922
This lastminute.com deal was found by Cheapflights users on 2/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
BHD
- ORD
2 stops46h 30m
Virgin Atlantic
Sat 4/42:10 pm
ORD
- BHD
2 stops37h 10m
Virgin Atlantic
Deal found 2/9![Virgin Atlantic logo]()
$1,022
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
BHD
- ORD
1 stop26h 45m
Multiple Airlines
Sat 4/45:59 pm
ORD
- BHD
2 stops33h 21m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,022
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Thu 3/269:45 am
BFS
- ORD
2 stops35h 15m
Multiple Airlines
Thu 4/29:06 am
ORD
- BFS
2 stops29h 29m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,035
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/287:50 pm
BFS
- ORD
3 stops33h 32m
Multiple Airlines
Sat 4/47:25 pm
ORD
- BFS
2 stops19h 15m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,064
This Mytrip deal was found by Cheapflights users on 2/10. 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 6/156:30 am
BFS
- ORD
2 stops12h 55m
Multiple Airlines
Mon 6/155:35 pm
ORD
- BFS
2 stops21h 05m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,440
This Mytrip deal was found by Cheapflights users on 2/10. 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 6/156:30 am
BHD
- ORD
1 stop13h 20m
Multiple Airlines
Mon 6/155:35 pm
ORD
- BHD
2 stops21h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,463
Last-minute flights from Northern Ireland to IllinoisDiscover last-minute flight deals from Northern Ireland to Illinois. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Northern Ireland to Illinois. Data last updated February 11, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 2/8. 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 2/196:35 am
BHD
- ORD
1 stop13h 15m
British Airways
Mon 2/234:10 pm
ORD
- BHD
2 stops16h 05m
British Airways
Deal found 2/8![British Airways logo]()
$1,162
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:20 pm
BFS
- ORD
3 stops46h 40m
Multiple Airlines
Mon 3/236:01 pm
ORD
- BFS
3 stops21h 09m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$734
This Virgin Atlantic deal was found by Cheapflights users on 2/11. 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 3/166:30 am
BHD
- ORD
1 stop13h 50m
Virgin Atlantic
Mon 3/235:25 pm
ORD
- BHD
1 stop18h 20m
Virgin Atlantic
Deal found 2/11![Virgin Atlantic logo]()
$817
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 3/166:30 am
BHD
- ORD
2 stops20h 19m
Delta
Mon 3/2310:40 am
ORD
- BHD
2 stops25h 05m
Delta
Deal found 2/11![Delta logo]()
$823
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/1610:15 am
BHD
- ORD
3 stops30h 02m
Multiple Airlines
Mon 3/233:35 pm
ORD
- BHD
3 stops20h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$839
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Thu 3/267:30 am
BFS
- ORD
2 stops18h 30m
Multiple Airlines
Thu 4/29:50 pm
ORD
- BFS
1 stop20h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,005
This Mytrip deal was found by Cheapflights users on 2/11. 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 3/289:40 am
BFS
- ORD
2 stops31h 55m
Multiple Airlines
Sat 4/43:45 pm
ORD
- BFS
2 stops24h 30m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,089
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
BHD
- ORD
1 stop26h 45m
Multiple Airlines
Sat 4/45:59 pm
ORD
- BHD
2 stops33h 21m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,022
One-way flights from Northern Ireland to IllinoisSearch for one-way flight options from Northern Ireland to Illinois. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from Northern Ireland to Illinois. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 4/298:30 am
BFS
- ORD
3 stops39h 20m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 4/2912:45 pm
BHD
- ORD
3 stops59h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/259:50 am
BHD
- ORD
3 stops38h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 6/139:30 am
BFS
- ORD
3 stops38h 45m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 6/132:15 pm
BHD
- ORD
3 stops34h 00m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$475
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 11, 2026.
Round-trip from | $734 (Mytrip) |
|---|---|
One-way from | $389 (Kiwi.com) |
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 11, 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
BFS - ORD
BFSORD
Belfast Intl
Mon 3/16
10:20 pm-4:00 pm
3 stops46h 40m
Chicago O'Hare Intl
Mon 3/23
6:01 pm-8:10 pm
3 stops21h 09m
$734
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 3/16
6:30 am-3:20 pm
1 stop13h 50m
Chicago O'Hare Intl
Mon 3/23
5:50 pm-4:45 pm
2 stops17h 55m
$817
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 3/16
6:30 am-3:20 pm
1 stop13h 50m
Chicago O'Hare Intl
Mon 3/23
5:25 pm-4:45 pm
1 stop18h 20m
$817
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 3/16
10:15 am-11:17 am
3 stops30h 02m
Chicago O'Hare Intl
Mon 3/23
3:35 pm-4:45 pm
3 stops20h 10m
$839
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 3/30
5:30 pm-10:00 am
2 stops46h 30m
Chicago O'Hare Intl
Sat 4/4
2:10 pm-9:20 am
2 stops37h 10m
$1,022
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 3/30
5:30 pm-2:15 pm
1 stop26h 45m
Chicago O'Hare Intl
Sat 4/4
5:59 pm-9:20 am
2 stops33h 21m
$1,022
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Thu 3/26
9:45 am-4:00 pm
2 stops35h 15m
Chicago O'Hare Intl
Thu 4/2
9:06 am-8:35 pm
2 stops29h 29m
$1,035
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Sat 3/28
7:50 pm-12:22 am
3 stops33h 32m
Chicago O'Hare Intl
Sat 4/4
7:25 pm-8:40 pm
2 stops19h 15m
$1,064
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Mon 6/15
6:30 am-1:25 pm
2 stops12h 55m
Chicago O'Hare Intl
Mon 6/15
5:35 pm-8:40 pm
2 stops21h 05m
$1,440
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 6/15
6:30 am-1:50 pm
1 stop13h 20m
Chicago O'Hare Intl
Mon 6/15
5:35 pm-8:50 pm
2 stops21h 15m
$1,463
Showing 1-10 of 18 results
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.
BFS-ORD
BHD-ORD
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
GBNIR-USIL
BFS-ORD
BHD-ORD
No data available for this route at this time. Please check back soon.
Related info for your journey
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