Cheap flights from Belfast to Chicago from £638
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Belfast to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Chicago (CHI). 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 11 July 2025.
Round-trip from | £638 |
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Popular in | August |
Cheapest in | September |
Average price | £618 |
Find flight deals from Belfast to Chicago
Cheapest flights from Belfast to ChicagoExplore the most affordable flight options available from Belfast to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Belfast to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast to Chicago 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 11 July 2025.
Use the filters below to find and compare flights from Belfast to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastChicago
BFS - ORD
BFSORD
Belfast Intl
Sun 24/8
22:55-19:29
2 stops26h 34m
Chicago O'Hare Intl
Sun 31/8
22:15-23:05
2 stops18h 50m
Best time to book a flight from Belfast to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Belfast with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Belfast to Chicago
How much does it cost for a return flight from Belfast to Chicago?
Related info for your journey
Find useful and relevant information for your journey from Belfast to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Belfast to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Belfast to Chicago
Discover the top airline that operate flights from Belfast to Chicago. 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 11 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast to Chicago?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from Belfast today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Belfast to Chicago?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast to Chicago.
Can Cheapflights find flights from Belfast to Chicago with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Chicago, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Belfast to Chicago become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!