Cheap flights from Illinois to Belfast Intl Airport
ORD — BFS
9 Nov — 16 Nov1
Related info for your journey
Find useful and relevant information for your journey from Illinois to Belfast 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 Belfast Intl Airport?
Book flights to Belfast Intl Airport if you plan to visit one of these locationsArmagh
Newry
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Alternative routes for Illinois to Belfast Intl
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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 10 October 2026.
Complete your trip
Complete your trip to Belfast Intl by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Northern Ireland
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Illinois and Belfast Intl flights
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