$305+ Cheap flights from Chicago (CHI) to Belfast Intl (BFS)
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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Belfast Intl 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 Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to Belfast IntlExplore the most affordable flight options available from Chicago to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Chicago to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Mytrip deal was found by Cheapflights users on 6/6. 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 9/27:25 pm
ORD
- BFS
2 stops21h 45m
Multiple Airlines
Sat 12/126:00 am
BFS
- ORD
3 stops39h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$776
This Mytrip deal was found by Cheapflights users on 6/6. 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 9/110:25 pm
ORD
- BFS
2 stops18h 55m
Multiple Airlines
Sat 12/126:00 am
BFS
- ORD
3 stops39h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$780
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:25 pm
ORD
- BFS
2 stops19h 55m
Multiple Airlines
Tue 8/1810:45 pm
BFS
- ORD
2 stops29h 20m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$808
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:25 pm
ORD
- BFS
2 stops17h 25m
Multiple Airlines
Sun 10/1812:20 pm
BFS
- ORD
3 stops36h 55m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$858
This Mytrip deal was found by Cheapflights users on 6/5. 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 10/237:25 pm
ORD
- BFS
2 stops20h 25m
Multiple Airlines
Mon 10/269:30 pm
BFS
- ORD
3 stops48h 00m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$929
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/197:25 pm
ORD
- BFS
2 stops20h 30m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops36h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$935
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/2210:25 pm
ORD
- BFS
2 stops17h 20m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops36h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$990
Best flights from Chicago to Belfast IntlDiscover carefully curated flight deals from Chicago to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Chicago to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Mytrip deal was found by Cheapflights users on 6/6. 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 9/27:25 pm
ORD
- BFS
2 stops21h 45m
Multiple Airlines
Sat 12/126:00 am
BFS
- ORD
3 stops39h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$776
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:50 am
ORD
- BFS
2 stops31h 00m
Multiple Airlines
Tue 8/185:55 am
BFS
- ORD
3 stops20h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$827
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/2210:25 pm
ORD
- BFS
2 stops17h 20m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops36h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$990
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/67:25 pm
ORD
- BFS
3 stops19h 30m
Multiple Airlines
Sun 7/126:45 am
BFS
- ORD
3 stops38h 10m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,076
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:25 pm
ORD
- BFS
2 stops14h 30m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops32h 15m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,085
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/710:25 pm
ORD
- BFS
2 stops17h 50m
Multiple Airlines
Sun 7/126:45 am
BFS
- ORD
3 stops45h 20m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,088
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:50 am
ORD
- BFS
2 stops27h 25m
Multiple Airlines
Mon 7/66:30 am
BFS
- ORD
2 stops21h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,133
This Mytrip deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:25 pm
ORD
- BFS
2 stops16h 25m
Multiple Airlines
Mon 6/298:35 pm
BFS
- ORD
2 stops30h 50m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,168
Last-minute flights from Chicago to Belfast IntlDiscover last-minute flight deals from Chicago to Belfast Intl. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Belfast Intl. Data last updated June 9, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/67:25 pm
ORD
- BFS
3 stops19h 30m
Multiple Airlines
Sun 7/126:45 am
BFS
- ORD
3 stops38h 10m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,076
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/710:25 pm
ORD
- BFS
2 stops17h 50m
Multiple Airlines
Sun 7/126:45 am
BFS
- ORD
3 stops45h 20m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,088
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/197:25 pm
ORD
- BFS
2 stops20h 30m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops36h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$935
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/207:25 pm
ORD
- BFS
2 stops20h 50m
Multiple Airlines
Mon 7/276:40 am
BFS
- ORD
2 stops17h 35m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,001
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/2210:25 pm
ORD
- BFS
2 stops17h 20m
Multiple Airlines
Sun 7/266:45 am
BFS
- ORD
3 stops36h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$990
One-way flights from Chicago to Belfast IntlSearch for one-way flight options from Chicago to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Chicago to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/1510:25 am
MDW
- BFS
2 stops26h 50m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/175:13 pm
ORD
- BFS
3 stops57h 37m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Tue 9/110:25 pm
ORD
- BFS
2 stops31h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/1510:25 pm
ORD
- BFS
3 stops52h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/173:28 pm
MDW
- BFS
3 stops38h 27m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Thu 7/1610:25 am
MDW
- BFS
3 stops19h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$407
This Mytrip deal was found by Cheapflights users on 6/5. 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 8/267:25 pm
ORD
- BFS
2 stops19h 15m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$408
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/163:45 pm
ORD
- BFS
2 stops21h 10m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Tue 9/15:45 pm
MDW
- BFS
3 stops43h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/266:42 pm
MDW
- BFS
3 stops42h 13m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$485
This Mytrip deal was found by Cheapflights users on 6/4. 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 6/165:35 pm
ORD
- BFS
2 stops20h 15m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/169:17 am
MDW
- BFS
3 stops41h 33m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$582
Find flight deals from Chicago to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Belfast Intl (BFS). 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 June 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $776 (Mytrip) |
One-way from | $305 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Belfast Intl 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 June 9, 2026.
Use the filters below to find and compare flights from Chicago to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Wed 9/2
7:25 pm-11:10 pm
2 stops21h 45m
Belfast Intl
Sat 12/12
6:00 am-3:30 pm
3 stops39h 30m
$776
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Sun 8/2
9:50 am-10:50 pm
2 stops31h 00m
Belfast Intl
Tue 8/18
5:55 am-8:05 pm
3 stops20h 10m
$827
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Wed 7/22
10:25 pm-9:45 pm
2 stops17h 20m
Belfast Intl
Sun 7/26
6:45 am-1:22 pm
3 stops36h 37m
$990
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Mon 7/6
7:25 pm-8:55 pm
3 stops19h 30m
Belfast Intl
Sun 7/12
6:45 am-2:55 pm
3 stops38h 10m
$1,076
Quickest round-trip
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Sun 7/19
7:25 pm-3:55 pm
2 stops14h 30m
Belfast Intl
Sun 7/26
6:45 am-9:00 am
3 stops32h 15m
$1,085
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Tue 7/7
10:25 pm-10:15 pm
2 stops17h 50m
Belfast Intl
Sun 7/12
6:45 am-10:05 pm
3 stops45h 20m
$1,088
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Wed 7/1
9:50 am-7:15 pm
2 stops27h 25m
Belfast Intl
Mon 7/6
6:30 am-10:05 pm
2 stops21h 35m
$1,133
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Mon 6/22
7:25 pm-5:50 pm
2 stops16h 25m
Belfast Intl
Mon 6/29
8:35 pm-9:25 pm
2 stops30h 50m
$1,168
Cheapest one-way
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Fri 7/17
5:13 pm-8:50 am
3 stops57h 37m
$313
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Tue 9/1
10:25 pm-12:20 pm
2 stops31h 55m
$350
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Chicago to Belfast Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Belfast Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Belfast Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago-Belfast Intl Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Chicago-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Belfast Intl Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Chicago with our price prediction graph.
CHI-BFS
ORD-BFS
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 Intl Airport
CHI-BFS
ORD-BFS
MDW-BFS
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Belfast Intl
Get insights into the airlines that provide service to Belfast Intl. 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 Intl. Reviews last updated June 9, 2026.
Get a feel of what it's like to fly with British Airways from Chicago to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.7
Entertainment
6.4
Comfort
6.8
Boarding
6.9
Overall
6.7
Food
6.4
Reviews
1 / 20
2.0
MediocreT4Monaco,Jun 2026
CLT - LHR
Crew
7.7
Entertainment
6.4
Comfort
6.8
Boarding
6.9
Overall
6.7
Food
6.4
Reviews
1 / 20
2.0
MediocreT4Monaco,Jun 2026
CLT - LHR
Related info for your journey
Find useful and relevant information for your journey from Chicago to Belfast Intl. 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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Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Complete your trip
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Chicago and Belfast Intl flights
Browse other Chicago and Belfast Intl flight options. Last updated on June 9, 2026.
Other flights from Chicago
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Popular flight searches
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Top airline flying from Chicago to Belfast Intl
Discover the top airline that operate flights from Chicago to Belfast Intl. 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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$577 | Average$880 | FlexibilityNo cancel fee | On-time70% |