$314+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Belfast with Cheapflights
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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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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 16, 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 16, 2026.
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Wed 10/287:30 pm -
2 stops21h 50m
Wed 11/49:05 pm -
3 stops26h 15m
Deal found 9/13![Multiple Airlines logo]()
$737
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/277:30 pm -
2 stops20h 25m
Tue 11/38:35 pm -
3 stops26h 45m
Deal found 9/12![Multiple Airlines logo]()
$806
This KLM deal was found by Cheapflights users on 9/14. 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.
Fri 11/66:08 pm -
2 stops16h 37m
Sun 11/225:15 pm -
1 stop27h 10m
Deal found 9/14![KLM logo]()
$904
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 11/66:00 pm -
2 stops16h 45m
Sun 11/229:40 am -
2 stops17h 09m
Deal found 9/14![Delta logo]()
$913
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 11/66:04 am -
2 stops21h 06m
Sun 11/229:40 am -
2 stops19h 14m
Deal found 9/14![Delta logo]()
$913
This BusinessClass deal was found by Cheapflights users on 9/12. 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.
Fri 10/24:15 pm -
1 stop18h 40m
Sat 10/105:30 pm -
1 stop26h 45m
Deal found 9/12![Air Europa logo]()
$969
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 11/69:50 pm -
1 stop13h 35m
Sun 11/2212:00 pm -
1 stop12h 45m
Deal found 9/14![British Airways logo]()
$976
This FlightHub deal was found by Cheapflights users on 9/12. 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 10/28:10 pm -
2 stops31h 55m
Sat 10/107:05 pm -
1 stop23h 25m
Deal found 9/12![British Airways logo]()
$1,000
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/66:30 pm -
2 stops20h 00m
Sun 11/226:20 pm -
3 stops29h 00m
Deal found 9/14![Multiple Airlines logo]()
$1,027
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/64:30 pm -
2 stops15h 45m
Sun 11/2210:00 pm -
3 stops25h 20m
Deal found 9/14![Multiple Airlines logo]()
$1,030
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Wed 9/169:00 pm -
2 stops19h 20m
Fri 9/188:30 am -
2 stops17h 42m
Deal found 9/12![Multiple Airlines logo]()
$1,245
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/29:55 am -
3 stops21h 45m
Sat 10/107:00 am -
2 stops18h 48m
Deal found 9/12![Multiple Airlines logo]()
$1,326
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 16, 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 16, 2026.
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Wed 10/287:30 pm -
2 stops21h 50m
Wed 11/49:05 pm -
3 stops26h 15m
Deal found 9/13![Multiple Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 1/94:25 pm -
1 stop10h 45m
Wed 1/275:20 pm -
1 stop27h 05m
Deal found 9/12![Delta logo]()
$857
This British Airways deal was found by Cheapflights users on 9/15. 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 3/75:10 pm -
1 stop14h 40m
Mon 3/155:35 pm -
1 stop26h 10m
Deal found 9/15![British Airways logo]()
$896
This Delta deal was found by Cheapflights users on 9/15. 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 3/107:00 am -
2 stops20h 10m
Sun 3/145:20 pm -
2 stops29h 27m
Deal found 9/15![Delta logo]()
$872
This British Airways deal was found by Cheapflights users on 9/15. 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.
Mon 3/89:50 pm -
1 stop12h 15m
Fri 3/1211:50 am -
1 stop12h 55m
Deal found 9/15![British Airways logo]()
$896
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 1/136:25 pm -
1 stop12h 40m
Mon 1/252:40 pm -
2 stops34h 35m
Deal found 9/12![Multiple Airlines logo]()
$909
This Delta deal was found by Cheapflights users on 9/12. 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 1/139:50 am -
2 stops17h 20m
Wed 1/275:20 pm -
1 stop27h 05m
Deal found 9/12![Delta logo]()
$891
This Mytrip deal was found by Cheapflights users on 9/12. 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 1/116:30 pm -
2 stops18h 40m
Thu 1/282:40 pm -
2 stops32h 40m
Deal found 9/12![Multiple Airlines logo]()
$916
This KLM deal was found by Cheapflights users on 9/12. 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.
Fri 10/27:01 pm -
2 stops15h 54m
Sat 10/105:30 pm -
2 stops28h 44m
Deal found 9/12![KLM logo]()
$2,031
This British Airways deal was found by Cheapflights users on 9/12. 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.
Tue 1/129:50 pm -
1 stop11h 00m
Sun 1/316:30 am -
1 stop18h 15m
Deal found 9/12![British Airways logo]()
$946
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 1/94:25 pm -
1 stop10h 45m
Fri 1/295:20 pm -
1 stop27h 05m
Deal found 9/12![Delta logo]()
$907
This British Airways deal was found by Cheapflights users on 9/15. 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 3/115:10 pm -
1 stop11h 45m
Sat 3/1311:45 am -
1 stop13h 00m
Deal found 9/15![British Airways logo]()
$996
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 11/66:04 am -
2 stops21h 06m
Sun 11/229:40 am -
2 stops19h 14m
Deal found 9/14![Delta logo]()
$913
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/64:30 pm -
2 stops15h 45m
Sun 11/2210:00 pm -
3 stops25h 20m
Deal found 9/14![Multiple Airlines logo]()
$1,030
This British Airways deal was found by Cheapflights users on 9/12. 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.
Fri 1/89:50 pm -
1 stop13h 35m
Mon 1/2511:40 am -
1 stop13h 05m
Deal found 9/12![British Airways logo]()
$996
This Mytrip deal was found by Cheapflights users on 9/15. 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 3/96:30 pm -
2 stops20h 10m
Fri 3/126:15 am -
2 stops17h 05m
Deal found 9/15![Multiple Airlines logo]()
$1,046
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sun 1/106:25 pm -
1 stop12h 40m
Tue 1/266:40 am -
2 stops16h 40m
Deal found 9/12![Multiple Airlines logo]()
$1,071
This Mytrip deal was found by Cheapflights users on 9/13. 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 3/126:30 pm -
2 stops20h 00m
Sun 3/217:45 pm -
3 stops28h 35m
Deal found 9/13![Multiple Airlines logo]()
$1,088
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 1/136:25 pm -
1 stop12h 40m
Tue 1/266:40 am -
2 stops16h 40m
Deal found 9/12![Multiple Airlines logo]()
$1,096
This British Airways deal was found by Cheapflights users on 9/15. 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 9/15![British Airways logo]()
$1,486
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sun 1/106:25 pm -
1 stop12h 40m
Thu 1/286:20 am -
2 stops17h 00m
Deal found 9/12![Multiple Airlines logo]()
$1,120
Last-minute flights from Chicago to BelfastDiscover last-minute flight deals from Chicago to Belfast. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Belfast. Data last updated September 16, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Wed 9/169:00 pm -
2 stops19h 20m
Fri 9/188:30 am -
2 stops17h 42m
Deal found 9/12![Multiple Airlines logo]()
$1,245
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Wed 9/163:45 pm -
2 stops15h 15m
Fri 9/187:00 am -
2 stops18h 15m
Deal found 9/12![Aer Lingus logo]()
$1,352
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Wed 9/163:45 pm -
2 stops20h 00m
Fri 9/187:00 am -
3 stops31h 55m
Deal found 9/12![Multiple Airlines logo]()
$1,422
This Virgin Atlantic deal was found by Cheapflights users on 9/12. 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 9/164:50 pm -
1 stop10h 30m
Fri 9/185:30 pm -
1 stop26h 45m
Deal found 9/12![Virgin Atlantic logo]()
$1,546
This BusinessClass deal was found by Cheapflights users on 9/12. 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.
Fri 10/24:15 pm -
1 stop18h 40m
Sat 10/105:30 pm -
1 stop26h 45m
Deal found 9/12![Air Europa logo]()
$969
This FlightHub deal was found by Cheapflights users on 9/12. 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 10/28:10 pm -
2 stops31h 55m
Sat 10/107:05 pm -
1 stop23h 25m
Deal found 9/12![British Airways logo]()
$1,000
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/27:25 pm -
2 stops20h 25m
Sat 10/109:40 pm -
2 stops22h 20m
Deal found 9/12![Multiple Airlines logo]()
$1,290
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/29:55 am -
3 stops21h 45m
Sat 10/107:00 am -
2 stops18h 48m
Deal found 9/12![Multiple Airlines logo]()
$1,326
This KLM deal was found by Cheapflights users on 9/12. 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.
Fri 10/27:01 pm -
2 stops15h 54m
Sat 10/105:30 pm -
2 stops28h 44m
Deal found 9/12![KLM logo]()
$2,031
This British Airways deal was found by Cheapflights users on 9/13. 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 9/13![British Airways logo]()
$1,486
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/277:30 pm -
2 stops20h 25m
Tue 11/38:35 pm -
3 stops26h 45m
Deal found 9/12![Multiple Airlines logo]()
$806
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Wed 10/287:30 pm -
2 stops21h 50m
Wed 11/49:05 pm -
3 stops26h 15m
Deal found 9/13![Multiple Airlines logo]()
$737
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 16, 2026.
Search for one-way flight options from Chicago to Belfast. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Trip.com deal was found by Cheapflights users on 9/12. 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 1/116:30 pm -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$314
This Justfly.com deal was found by Cheapflights users on 9/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/105:10 pm -
1 stop11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![British Airways logo]()
$323
This Justfly.com deal was found by Cheapflights users on 9/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:55 am -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Virgin Atlantic logo]()
$338
This Delta deal was found by Cheapflights users on 9/12. 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 1/139:50 am -
2 stops17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$345
This KLM deal was found by Cheapflights users on 9/12. 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.
Wed 1/1312:30 pm -
2 stops14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![KLM logo]()
$345
This British Airways deal was found by Cheapflights users on 9/12. 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.
Fri 1/89:50 pm -
1 stop13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![British Airways logo]()
$375
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 1/99:50 am -
2 stops17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 1/99:30 am -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$395
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/66:30 pm -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 1/83:20 pm -
2 stops16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$485
This KLM deal was found by Cheapflights users on 9/12. 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.
Fri 1/81:00 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![KLM logo]()
$486
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 11/65:10 pm -
1 stop11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![British Airways logo]()
$487
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 16, 2026.
Round-trip from | $737 (Mytrip) |
|---|---|
One-way from | $314 (Trip.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 16, 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 1/11
6:30 pm-4:25 pm
2 stops15h 55m
Belfast Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$314
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Mon 1/11
9:50 pm-4:05 pm
1 stop12h 15m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$323
ChicagoBelfast
MDW Chicago Midway - BHD Belfast City
MDWBHD
Chicago Midway
Tue 1/12
9:30 am-9:10 am
2 stops17h 40m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$338
ChicagoBelfast
MDW Chicago Midway - BHD Belfast City
MDWBHD
Chicago Midway
Sun 1/10
9:55 am-9:10 am
2 stops17h 15m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$338
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Wed 1/13
9:50 am-9:10 am
2 stops17h 20m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$345
ChicagoBelfast
MDW Chicago Midway - BHD Belfast City
MDWBHD
Chicago Midway
Wed 1/13
12:30 pm-9:10 am
2 stops14h 40m
Belfast City
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
Sat 1/9
9:50 pm-4:45 pm
1 stop12h 55m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$375
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Thu 1/14
9:50 pm-6:45 pm
1 stop14h 55m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$375
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Fri 1/8
9:50 pm-5:25 pm
1 stop13h 35m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$375
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Sat 1/9
9:50 am-9:10 am
2 stops17h 20m
Belfast City
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$395
Showing 1-10 of 39 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
MDW-BFS
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
MDW-BFS
No data available for this route at this time. Please check back soon.
Related info for your journey
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Chicago and Belfast flights
Browse other Chicago and Belfast flight options. Last updated on September 16, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$629 | Average$840 | FlexibilityNo cancel fee | On-time70% |