$316+ Cheap flights from Chicago (CHI) to Belfast
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Belfast 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
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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 Chicago to Belfast
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Cheapest flights from Chicago to BelfastExplore the most affordable flight options available from Chicago to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
Explore the most affordable flight options available from Chicago to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Sun 10/47:25 pm -
2 stops19h 35m
Tue 10/208:20 am -
2 stops17h 28m
Deal found 9/3![Multiple Airlines logo]()
$902
This Mytrip deal was found by Cheapflights users on 8/31. 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.
Tue 9/227:25 pm -
2 stops19h 40m
Wed 9/306:10 am -
2 stops21h 15m
Deal found 8/31![Multiple Airlines logo]()
$908
This Flysmarter deal was found by Cheapflights users on 9/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:00 pm -
1 stop11h 30m
Tue 10/2012:40 pm -
1 stop11h 35m
Deal found 9/3![Multiple Airlines logo]()
$934
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/278:50 pm -
1 stop11h 45m
Sun 10/46:30 am -
1 stop16h 45m
Deal found 8/30![American Airlines logo]()
$990
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops28h 30m
Sun 10/412:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$991
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops28h 30m
Sun 10/1812:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$993
This KLM deal was found by Cheapflights users on 8/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:30 pm -
2 stops14h 50m
Sun 10/185:30 pm -
1 stop27h 00m
Deal found 8/30![KLM logo]()
$1,016
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops20h 15m
Sun 10/187:00 am -
2 stops32h 40m
Deal found 8/30![Multiple Airlines logo]()
$1,059
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
2 stops14h 55m
Tue 10/206:25 am -
2 stops19h 25m
Deal found 9/2![Multiple Airlines logo]()
$1,114
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:15 pm -
1 stop14h 55m
Sun 9/278:10 pm -
1 stop23h 40m
Deal found 9/3![British Airways logo]()
$1,189
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:59 am -
2 stops17h 21m
Tue 10/209:50 am -
2 stops18h 43m
Deal found 9/3![Delta logo]()
$1,526
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:31 pm -
2 stops17h 14m
Sun 11/89:40 am -
2 stops18h 53m
Deal found 9/2![Delta logo]()
$13,595
Best flights from Chicago to BelfastDiscover carefully curated flight deals from Chicago to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Chicago to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This Mytrip deal was found by Cheapflights users on 8/31. 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.
Tue 9/227:25 pm -
2 stops19h 40m
Wed 9/306:10 am -
2 stops21h 15m
Deal found 8/31![Multiple Airlines logo]()
$908
This British Airways deal was found by Cheapflights users on 9/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:10 pm -
1 stop11h 35m
Wed 11/185:35 pm -
1 stop26h 10m
Deal found 9/1![British Airways logo]()
$1,486
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:59 am -
2 stops17h 21m
Tue 10/209:50 am -
2 stops18h 43m
Deal found 9/3![Delta logo]()
$1,526
This Flysmarter deal was found by Cheapflights users on 9/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:00 pm -
1 stop11h 30m
Tue 10/2012:40 pm -
1 stop11h 35m
Deal found 9/3![Multiple Airlines logo]()
$934
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Sun 10/410:25 pm -
3 stops19h 10m
Tue 10/208:20 am -
2 stops17h 28m
Deal found 9/3![Multiple Airlines logo]()
$943
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops28h 30m
Sun 10/412:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$991
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops28h 30m
Sun 10/1812:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$993
This British Airways deal was found by Cheapflights users on 8/31. 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.
Sun 10/115:00 pm -
1 stop11h 30m
Wed 10/146:30 am -
1 stop15h 25m
Deal found 8/31![British Airways logo]()
$1,487
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
2 stops14h 55m
Tue 10/206:25 am -
2 stops19h 25m
Deal found 9/2![Multiple Airlines logo]()
$1,114
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Fri 9/187:25 pm -
2 stops20h 25m
Sun 9/279:25 pm -
2 stops23h 30m
Deal found 9/3![Multiple Airlines logo]()
$1,381
This Mytrip deal was found by Cheapflights users on 9/3. 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 9/197:25 pm -
2 stops15h 10m
Sun 9/279:25 pm -
2 stops23h 30m
Deal found 9/3![Multiple Airlines logo]()
$1,382
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:40 pm -
3 stops17h 15m
Sun 10/42:05 pm -
3 stops34h 10m
Deal found 8/30![Multiple Airlines logo]()
$1,617
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:31 pm -
2 stops17h 14m
Sun 11/89:40 am -
2 stops18h 53m
Deal found 9/2![Delta logo]()
$13,595
Last-minute flights from Chicago to BelfastDiscover last-minute flight deals from Chicago to Belfast. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Belfast. Data last updated September 3, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 9/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:42 pm -
2 stops40h 13m
Fri 9/119:50 am -
2 stops18h 54m
Deal found 9/3![KLM logo]()
$16,531
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:15 pm -
1 stop14h 55m
Sun 9/278:10 pm -
1 stop23h 40m
Deal found 9/3![British Airways logo]()
$1,189
This Mytrip deal was found by Cheapflights users on 8/31. 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.
Tue 9/227:25 pm -
2 stops19h 40m
Wed 9/306:10 am -
2 stops21h 15m
Deal found 8/31![Multiple Airlines logo]()
$908
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/278:50 pm -
1 stop11h 45m
Sun 10/46:30 am -
1 stop16h 45m
Deal found 8/30![American Airlines logo]()
$990
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops28h 30m
Sun 10/412:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$991
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Sun 10/47:25 pm -
2 stops19h 35m
Tue 10/208:20 am -
2 stops17h 28m
Deal found 9/3![Multiple Airlines logo]()
$902
This Flysmarter deal was found by Cheapflights users on 9/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:00 pm -
1 stop11h 30m
Tue 10/2012:40 pm -
1 stop11h 35m
Deal found 9/3![Multiple Airlines logo]()
$934
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:59 am -
2 stops17h 21m
Tue 10/209:50 am -
2 stops18h 43m
Deal found 9/3![Delta logo]()
$1,526
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops28h 30m
Sun 10/1812:20 pm -
2 stops27h 20m
Deal found 8/30![Multiple Airlines logo]()
$993
This KLM deal was found by Cheapflights users on 8/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:30 pm -
2 stops14h 50m
Sun 10/185:30 pm -
1 stop27h 00m
Deal found 8/30![KLM logo]()
$1,016
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:25 am -
2 stops20h 15m
Sun 10/187:00 am -
2 stops32h 40m
Deal found 8/30![Multiple Airlines logo]()
$1,059
This Mytrip deal was found by Cheapflights users on 9/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
2 stops14h 55m
Tue 10/206:25 am -
2 stops19h 25m
Deal found 9/2![Multiple Airlines logo]()
$1,114
One-way flights from Chicago to BelfastSearch for one-way flight options from Chicago to Belfast. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Chicago to Belfast. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/57:25 pm -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/287:25 pm -
2 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/710:25 pm -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/510:26 am -
3 stops21h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/287:25 pm -
2 stops15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:20 am -
3 stops25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/2110:30 am -
3 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:26 am -
2 stops25h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/710:25 pm -
3 stops16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$431
This SmartFares deal was found by Cheapflights users on 8/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:05 pm -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![British Airways logo]()
$433
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 pm -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/29![British Airways logo]()
$440
This Bravofly deal was found by Cheapflights users on 8/31. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 pm -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![British Airways logo]()
$442
Find flight deals from Chicago to Belfast
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 3, 2026.
Round-trip from | $873 (Mytrip) |
|---|---|
One-way from | $316 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Belfast 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 7,457,451 searches. Data last updated September 3, 2026.
Use the filters below to find and compare flights from Chicago to Belfast that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Mon 9/28
7:25 pm-7:05 am
2 stops29h 40m
Belfast Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$318
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Mon 10/5
7:25 pm-8:40 pm
2 stops19h 15m
Belfast Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$328
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Wed 10/7
10:25 pm-3:55 pm
2 stops11h 30m
Belfast Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$345
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Mon 9/28
7:25 pm-4:50 pm
2 stops15h 25m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$354
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Mon 10/12
6:20 am-1:40 pm
3 stops25h 20m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$385
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Mon 10/12
8:26 am-3:30 pm
2 stops25h 04m
Belfast Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$427
Quickest round-trip
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Wed 10/7
7:05 pm-12:00 pm
1 stop10h 55m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$433
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Mon 10/12
7:05 pm-12:55 pm
1 stop11h 50m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$448
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Mon 9/21
10:30 am-1:50 pm
3 stops21h 20m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$455
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Tue 9/8
9:00 pm-8:55 pm
2 stops17h 55m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
Showing 1-10 of 25 resultsSorted by cheapest first
Best time to book a flight from Chicago to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Chicago with our price prediction graph.
CHI-BF1
ORD-BFS
ORD-BHD
MDW-BHD
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 Chicago to Belfast
CHI-BF1
ORD-BFS
ORD-BHD
MDW-BHD
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Belfast
Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated September 3, 2026.
Peruse reviews from past customers who have flown with British Airways from Chicago to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
6.8
Entertainment
6.5
Boarding
7.0
Crew
7.7
Overall
6.7
Food
6.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Comfort
6.8
Entertainment
6.5
Boarding
7.0
Crew
7.7
Overall
6.7
Food
6.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
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Chicago and Belfast flights
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Top airline flying from Chicago to Belfast
Discover the top airline that operate flights from Chicago to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$629 | Average$840 | FlexibilityNo cancel fee | On-time70% |