Cheap flights from Chicago O'Hare Intl Airport to Belfast Intl Airport from £626
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. 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
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 7 October 2026.
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 7 October 2026.
Best flights from O'Hare Intl to Belfast IntlDiscover carefully curated flight deals from O'Hare Intl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Discover carefully curated flight deals from O'Hare Intl to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Last-minute flights from O'Hare Intl to Belfast IntlDiscover last-minute flight deals from O'Hare Intl to Belfast Intl. Data last updated 7 October 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Belfast Intl. Data last updated 7 October 2026 and is based on user searches.
Find 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 7 October 2026.
Cheapflights Fare Finder
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
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Sun 8/11
18:30-21:20
3 stops20h 50m
Belfast Intl
Tue 17/11
20:55-17:20
3 stops26h 25m
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Thu 19/11
18:30-21:55
2 stops21h 25m
Belfast Intl
Mon 23/11
06:30-17:20
2 stops16h 50m
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Mon 2/11
18:30-16:15
2 stops15h 45m
Belfast Intl
Tue 17/11
08:25-17:43
2 stops15h 18m
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Thu 19/11
20:05-22:45
2 stops20h 40m
Belfast Intl
Thu 26/11
20:20-18:20
2 stops28h 00m
ChicagoBelfast
ORD Chicago O'Hare Intl - BFS Belfast Intl
ORDBFS
Chicago O'Hare Intl
Sat 21/11
15:55-10:50
2 stops12h 55m
Belfast Intl
Sat 28/11
06:30-18:20
2 stops17h 50m
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 7 October 2026.
Complete your trip
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O'Hare Intl and Belfast Intl flights
Browse other O'Hare Intl and Belfast Intl flight options. Last updated on 7 October 2026.
Other flights from O'Hare Intl
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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.
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