$736+ Cheap flights from Belfast 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
Dec 2 — Dec 91
1 adult, Economy
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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
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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 Belfast to Illinois
Keep the following information in mind while searching for Belfast to Illinois flight deals. Data was last updated November 2, 2025.
Round-trip from | $736 (Trip.com) |
|---|
Find flight deals from Belfast to Illinois
Cheapest flights from Belfast to IllinoisExplore the most affordable flight options available from Belfast to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
Explore the most affordable flight options available from Belfast to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Mon 12/87:20 amBHD - ORD
2 stops16h 00mMultiple Airlines
Mon 12/156:30 pmORD - BHD
2 stops20h 00mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 11/1. 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.
Mon 12/86:30 amBHD - ORD
1 stop13h 50mDelta
Mon 12/1510:45 amORD - BHD
2 stops24h 05mDelta
Deal found 11/1![Delta logo]()
$778
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:15 amBHD - ORD
1 stop12h 10mAmerican Airlines
Mon 12/156:35 pmORD - BHD
2 stops18h 00mAmerican Airlines
Deal found 11/2![American Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:20 pmBFS - ORD
2 stops29h 51mMultiple Airlines
Mon 12/155:20 pmORD - BFS
1 stop22h 20mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$1,161
Cheapflights Fare Finder
Customize your flight search to find flights from Belfast 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 2, 2025.
Use the filters below to find and compare flights from Belfast to Illinois that are best for you.
Fly from
Belfast
Fly to
Illinois
Route
Depart
Return
Price
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 12/8
7:20 am-5:20 pm
2 stops16h 00m
Chicago O'Hare Intl
Mon 12/15
6:30 pm-8:30 pm
2 stops20h 00m
$736
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 12/8
6:30 am-2:20 pm
1 stop13h 50m
Chicago O'Hare Intl
Mon 12/15
10:45 am-4:50 pm
2 stops24h 05m
$778
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 12/8
9:15 am-3:25 pm
1 stop12h 10m
Chicago O'Hare Intl
Mon 12/15
6:35 pm-6:35 pm
2 stops18h 00m
$792
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Tue 3/31
6:45 am-4:00 pm
3 stops39h 15m
Chicago O'Hare Intl
Sat 4/4
7:25 pm-8:40 pm
2 stops19h 15m
$809
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Thu 3/5
9:05 am-3:25 pm
1 stop12h 20m
Chicago O'Hare Intl
Mon 3/9
1:30 pm-10:40 am
2 stops16h 10m
$820
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Mon 12/8
10:20 pm-10:11 pm
2 stops29h 51m
Chicago O'Hare Intl
Mon 12/15
5:20 pm-9:40 pm
1 stop22h 20m
$1,161
BelfastChicago
BHD - ORD
BHDORD
Belfast City
Mon 2/23
6:50 pm-8:00 pm
3 stops55h 10m
$1,363
Best time to book a flight from Belfast to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Belfast 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 Belfast to Illinois
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