$313+ Cheap flights from Chicago (CHI) to Belfast
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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
Sep 14 — Sep 211
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
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 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 August 15, 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 August 15, 2026.
This Mytrip deal was found by Cheapflights users on 8/10. 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.
Thu 9/247:25 pm -
2 stops18h 05m
Thu 10/19:10 pm -
3 stops30h 15m
Deal found 8/10![Multiple Airlines logo]()
$769
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:25 pm -
2 stops19h 30m
Mon 10/59:10 am -
2 stops35h 05m
Deal found 8/14![Multiple Airlines logo]()
$812
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:25 pm -
2 stops20h 25m
Fri 10/28:25 pm -
3 stops47h 50m
Deal found 8/11![Multiple Airlines logo]()
$853
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:25 pm -
2 stops15h 25m
Mon 10/57:00 am -
2 stops35h 35m
Deal found 8/14![Multiple Airlines logo]()
$866
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/2710:25 pm -
2 stops16h 35m
Sun 10/49:55 am -
2 stops32h 40m
Deal found 8/13![Multiple Airlines logo]()
$871
This British Airways deal was found by Cheapflights users on 8/10. 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 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 10m
Thu 11/197:40 am -
1 stop12h 05m
Deal found 8/10![British Airways logo]()
$886
This Bravofly deal was found by Cheapflights users on 8/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 pm -
1 stop11h 50m
Mon 10/57:35 pm -
1 stop28h 40m
Deal found 8/14![British Airways logo]()
$915
This Mytrip deal was found by Cheapflights users on 8/13. 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 9/187:25 am -
3 stops24h 15m
Sun 9/207:00 am -
3 stops43h 41m
Deal found 8/13![Multiple Airlines logo]()
$942
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/274:15 pm -
1 stop18h 40m
Sun 10/47:00 am -
3 stops38h 10m
Deal found 8/13![Multiple Airlines logo]()
$962
This Virgin Atlantic deal was found by Cheapflights users on 8/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:55 pm -
2 stops21h 00m
Mon 10/55:30 pm -
1 stop26h 45m
Deal found 8/14![Virgin Atlantic logo]()
$964
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 9/124:15 pm -
1 stop18h 40m
Sun 9/207:00 am -
3 stops43h 41m
Deal found 8/14![Multiple Airlines logo]()
$965
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sat 8/2910:25 pm -
3 stops16h 25m
Sun 9/67:00 am -
2 stops15h 57m
Deal found 8/12![Multiple Airlines logo]()
$987
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 August 15, 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 August 15, 2026.
This Mytrip deal was found by Cheapflights users on 8/10. 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.
Thu 9/247:25 pm -
2 stops18h 05m
Thu 10/19:10 pm -
3 stops30h 15m
Deal found 8/10![Multiple Airlines logo]()
$769
This British Airways deal was found by Cheapflights users on 8/10. 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 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 10m
Thu 11/197:40 am -
1 stop12h 05m
Deal found 8/10![British Airways logo]()
$886
This American Airlines deal was found by Cheapflights users on 8/13. 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 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 stop11h 55m
Deal found 8/13![American Airlines logo]()
$999
This KLM deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:01 pm -
2 stops15h 54m
Mon 10/59:50 am -
2 stops18h 54m
Deal found 8/14![KLM logo]()
$1,015
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:01 pm -
2 stops15h 54m
Sun 10/49:45 am -
2 stops18h 59m
Deal found 8/13![Delta logo]()
$1,380
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:25 pm -
3 stops21h 55m
Mon 10/59:10 am -
2 stops35h 05m
Deal found 8/14![Multiple Airlines logo]()
$919
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:11 am -
2 stops16h 39m
Fri 9/189:35 am -
1 stop14h 40m
Deal found 8/12![British Airways logo]()
$1,004
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/274:15 pm -
1 stop18h 40m
Sun 10/47:00 am -
3 stops38h 10m
Deal found 8/13![Multiple Airlines logo]()
$962
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 8/2910:25 pm -
2 stops16h 25m
Sun 9/69:10 pm -
3 stops43h 05m
Deal found 8/14![Multiple Airlines logo]()
$982
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Fri 9/1111:05 am -
3 stops26h 45m
Fri 9/189:10 pm -
2 stops28h 38m
Deal found 8/11![Multiple Airlines logo]()
$982
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 9/1211:45 am -
3 stops22h 35m
Sun 9/207:00 am -
3 stops37h 35m
Deal found 8/14![Multiple Airlines logo]()
$997
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 8/2910:25 pm -
3 stops16h 25m
Sun 9/67:00 am -
2 stops18h 52m
Deal found 8/14![Multiple Airlines logo]()
$1,004
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/277:25 pm -
2 stops19h 35m
Sun 10/410:05 pm -
2 stops21h 55m
Deal found 8/13![Multiple Airlines logo]()
$1,004
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sat 9/262:15 pm -
2 stops13h 05m
Sat 10/36:20 am -
2 stops19h 52m
Deal found 8/12![Multiple Airlines logo]()
$1,012
This KLM deal was found by Cheapflights users on 8/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:54 am -
2 stops16h 26m
Wed 9/99:50 am -
2 stops18h 54m
Deal found 8/11![KLM logo]()
$2,210
This Mytrip deal was found by Cheapflights users on 8/11. 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 9/199:45 am -
2 stops17h 35m
Sun 9/279:55 am -
2 stops32h 40m
Deal found 8/11![Multiple Airlines logo]()
$1,031
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:45 pm -
2 stops17h 10m
Sat 9/125:30 pm -
2 stops30h 29m
Deal found 8/13![Delta logo]()
$2,261
This KLM deal was found by Cheapflights users on 8/12. 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.
Tue 9/221:19 pm -
2 stops14h 01m
Wed 9/309:50 am -
2 stops18h 54m
Deal found 8/12![KLM logo]()
$5,019
Last-minute flights from Chicago to BelfastDiscover last-minute flight deals from Chicago to Belfast. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Belfast. Data last updated August 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sat 8/2910:25 pm -
3 stops16h 25m
Sun 9/67:00 am -
2 stops15h 57m
Deal found 8/12![Multiple Airlines logo]()
$987
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sat 9/124:15 pm -
1 stop18h 40m
Sun 9/207:00 am -
3 stops43h 41m
Deal found 8/14![Multiple Airlines logo]()
$965
This Mytrip deal was found by Cheapflights users on 8/13. 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 9/187:25 am -
3 stops24h 15m
Sun 9/207:00 am -
3 stops43h 41m
Deal found 8/13![Multiple Airlines logo]()
$942
This Mytrip deal was found by Cheapflights users on 8/10. 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.
Thu 9/247:25 pm -
2 stops18h 05m
Thu 10/19:10 pm -
3 stops30h 15m
Deal found 8/10![Multiple Airlines logo]()
$769
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:25 pm -
2 stops20h 25m
Fri 10/28:25 pm -
3 stops47h 50m
Deal found 8/11![Multiple Airlines logo]()
$853
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/2710:25 pm -
2 stops16h 35m
Sun 10/49:55 am -
2 stops32h 40m
Deal found 8/13![Multiple Airlines logo]()
$871
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Sun 9/274:15 pm -
1 stop18h 40m
Sun 10/47:00 am -
3 stops38h 10m
Deal found 8/13![Multiple Airlines logo]()
$962
This American Airlines deal was found by Cheapflights users on 8/13. 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 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 8/13![American Airlines logo]()
$993
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:25 pm -
2 stops19h 30m
Mon 10/59:10 am -
2 stops35h 05m
Deal found 8/14![Multiple Airlines logo]()
$812
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:25 pm -
2 stops15h 25m
Mon 10/57:00 am -
2 stops35h 35m
Deal found 8/14![Multiple Airlines logo]()
$866
This Bravofly deal was found by Cheapflights users on 8/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 pm -
1 stop11h 50m
Mon 10/57:35 pm -
1 stop28h 40m
Deal found 8/14![British Airways logo]()
$915
This Virgin Atlantic deal was found by Cheapflights users on 8/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:55 pm -
2 stops21h 00m
Mon 10/55:30 pm -
1 stop26h 45m
Deal found 8/14![Virgin Atlantic logo]()
$964
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 August 15, 2026.
Search for one-way flight options from Chicago to Belfast. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 11/137:25 pm -
2 stops30h 00m
Deal found 8/12![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 11/137:25 pm -
3 stops37h 25m
Deal found 8/12![Multiple Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 8/10. 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.
Sun 9/137:25 pm -
2 stops20h 05m
Deal found 8/10![Multiple Airlines logo]()
$347
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
1 stop11h 45m
Deal found 8/12![British Airways logo]()
$364
This KLM deal was found by Cheapflights users on 8/12. 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 11/131:00 pm -
2 stops14h 10m
Deal found 8/12![KLM logo]()
$399
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:23 pm -
2 stops33h 27m
Deal found 8/11![British Airways logo]()
$439
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Tue 9/83:45 pm -
2 stops17h 15m
Deal found 8/12![Aer Lingus logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 9/1311:45 am -
3 stops26h 30m
Deal found 8/10![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 8/11. 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.
Tue 9/85:37 pm -
2 stops17h 18m
Deal found 8/11![Delta logo]()
$472
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:45 pm -
2 stops14h 10m
Deal found 8/11![Aer Lingus logo]()
$497
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:05 pm -
1 stop11h 50m
Deal found 8/11![British Airways logo]()
$673
This Delta deal was found by Cheapflights users on 8/14. 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.
Mon 8/315:45 pm -
2 stops17h 10m
Deal found 8/14![Delta logo]()
$718
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 August 15, 2026.
Round-trip from | $760 (Mytrip) |
|---|---|
One-way from | $313 (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 2,558,603 searches. Data last updated August 15, 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
Thu 9/24
7:25 pm-7:30 pm
2 stops18h 05m
Belfast Intl
Thu 10/1
9:10 pm-9:25 pm
3 stops30h 15m
$769
Quickest round-trip
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Sun 11/15
5:10 pm-10:20 am
1 stop11h 10m
Belfast City
Thu 11/19
7:40 am-1:45 pm
1 stop12h 05m
$886
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Mon 9/28
7:25 pm-11:20 pm
3 stops21h 55m
Belfast Intl
Mon 10/5
9:10 am-2:15 pm
2 stops35h 05m
$919
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Sun 9/27
4:15 pm-4:55 pm
1 stop18h 40m
Belfast City
Sun 10/4
7:00 am-3:10 pm
3 stops38h 10m
$962
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Sat 8/29
10:25 pm-8:50 pm
2 stops16h 25m
Belfast Intl
Sun 9/6
9:10 pm-10:15 am
3 stops43h 05m
$982
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Fri 9/11
11:05 am-7:50 pm
3 stops26h 45m
Belfast Intl
Fri 9/18
9:10 pm-7:48 pm
2 stops28h 38m
$982
ChicagoBelfast
MDW Chicago Midway - BHD Belfast City
MDWBHD
Chicago Midway
Sat 9/12
11:45 am-4:20 pm
3 stops22h 35m
Belfast City
Sun 9/20
7:00 am-2:35 pm
3 stops37h 35m
$997
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Sun 9/27
8:50 pm-2:35 pm
1 stop11h 45m
Belfast City
Sun 10/4
6:30 am-12:25 pm
1 stop11h 55m
$999
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Fri 9/11
10:11 am-8:50 am
2 stops16h 39m
Belfast City
Fri 9/18
9:35 am-6:15 pm
1 stop14h 40m
$1,004
ChicagoBelfast
ORD Chicago O'Hare Intl - BHD Belfast City
ORDBHD
Chicago O'Hare Intl
Sat 8/29
10:25 pm-8:50 pm
3 stops16h 25m
Belfast City
Sun 9/6
7:00 am-7:52 pm
2 stops18h 52m
$1,004
Showing 1-10 of 27 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.
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 August 15, 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.
Food
6.4
Boarding
7.0
Entertainment
6.5
Overall
6.7
Comfort
6.8
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Food
6.4
Boarding
7.0
Entertainment
6.5
Overall
6.7
Comfort
6.8
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
Find useful and relevant information for your journey from Chicago to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 2,558,603 searches. Data last updated August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$629 | Average$887 | FlexibilityNo cancel fee | On-time70% |