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Cheap flights from Belfast Intl Airport to Chicago O'Hare Intl Airport from £309
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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
9 Nov — 16 Nov1
Cheap flight deals from Belfast Intl to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to O'Hare Intl (ORD). 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 10 October 2025.
Find flight deals from Belfast Intl to O'Hare Intl
Cheapest flights from Belfast Intl to O'Hare IntlExplore the most affordable flight options available from Belfast Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.
Explore the most affordable flight options available from Belfast Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2025.
Mon 24/1122:20BFS - ORD
3 stops46h 40mMultiple Airlines
Mon 1/1214:01ORD - BFS
3 stops24h 09mMultiple Airlines
Deal found 9/10£552
Sun 23/1106:00BFS - ORD
3 stops34h 35mMultiple Airlines
Sun 30/1120:25ORD - BFS
2 stops16h 30mMultiple Airlines
Deal found 9/10£581
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast Intl to O'Hare 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 858,174 searches. Data last updated 10 October 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Belfast Intl
Fly to
O'Hare Intl
Route
Depart
Return
Price
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Mon 24/11
22:20-15:00
3 stops46h 40m
Chicago O'Hare Intl
Mon 1/12
14:01-20:10
3 stops24h 09m
£552
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Sun 23/11
06:00-10:35
3 stops34h 35m
Chicago O'Hare Intl
Sun 30/11
20:25-18:55
2 stops16h 30m
£581
Best time to book a flight from Belfast Intl to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Belfast Intl with our price prediction graph.
Estimated return 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.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated 10 October 2025.
Get a feel of what it's like to fly with British Airways from Belfast Intl Airport to Chicago O'Hare 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.
Overall
6.7
Comfort
6.7
Entertainment
6.4
Food
6.3
Boarding
6.9
Crew
7.6
Reviews
1 / 20
6.0
GoodRoxanne,Sept 2025
LHR - IAD
Overall
6.7
Comfort
6.7
Entertainment
6.4
Food
6.3
Boarding
6.9
Crew
7.6
Reviews
1 / 20
6.0
GoodRoxanne,Sept 2025
LHR - IAD
Related info for your journey
Find useful and relevant information for your journey from Belfast Intl to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsDowners Grove
Elk Grove Village
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Alternative routes for Belfast Intl to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast Intl to O'Hare Intl
Discover the top airline that operate flights from Belfast Intl to O'Hare 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 858,174 searches. Data last updated 10 October 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast Intl to O'Hare Intl?
When you search for this flight from Belfast Intl to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to O'Hare Intl?
Cheapflights helps you find that perfect flight to O'Hare Intl from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Belfast Intl to O'Hare Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Belfast Intl to O'Hare Intl become cheaper?
Yes! Start tracking prices for Belfast Intl to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.