Cheap flights from Chicago O'Hare Intl Airport to Belfast Intl Airport from £176
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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from O'Hare Intl to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 14 July 2025.
Find flight deals from O'Hare Intl to Belfast Intl
Cheapest flights from O'Hare Intl to Belfast IntlExplore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2025.
Explore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from O'Hare Intl 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 858,174 searches. Data last updated 14 July 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Wed 27/8
15:45-15:30
2 stops17h 45m
Belfast Intl
Wed 3/9
10:25-19:00
2 stops14h 35m
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
Sat 13/9
11:12-23:05
2 stops29h 53m
Best time to book a flight from O'Hare Intl to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from O'Hare Intl with our price prediction graph.
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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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Other flights to Belfast Intl
Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 July 2025.
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How does Cheapflights help users find flights from O'Hare Intl to Belfast Intl?
Cheapflights makes it easy to find O'Hare Intl to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Belfast Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from O'Hare Intl.
Can Cheapflights find flights from O'Hare Intl to Belfast Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Belfast Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Belfast Intl become cheaper?
Of course! You can now track prices for flights from O'Hare Intl to Belfast Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.