£237 Find Cheap Flights from Illinois to Belfast Intl Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast Intl departing on 28/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Illinois to Belfast Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Illinois to Belfast Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Illinois to Belfast Intl

Mon, 29 Sep - Tue, 7 Oct
Multiple Airlines Logo
13:26 - 23:10STL-BFS
27h 44m2 stops
Multiple Airlines Logo
06:45 - 22:04BFS-STL
21h 19m2 stops
£429Multiple Airlines
Find Deal
Fri, 31 Oct - Mon, 10 Nov
Multiple Airlines Logo
21:15 - 22:45ORD-BFS
20h 30m3 stops
Multiple Airlines Logo
22:20 - 15:00BFS-ORD
46h 40m3 stops
£534Multiple Airlines
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Thu, 16 Oct - Sat, 25 Oct
Multiple Airlines Logo
18:00 - 23:25ORD-BFS
23h 25m3 stops
Multiple Airlines Logo
06:00 - 15:45BFS-ORD
39h 45m3 stops
£542Multiple Airlines
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Mon, 29 Sep - Thu, 2 Oct
Multiple Airlines Logo
06:30 - 20:25ORD-BFS
31h 55m2 stops
Multiple Airlines Logo
16:25 - 16:30BFS-ORD
30h 05m3 stops
£559Multiple Airlines
Find Deal
Sat, 27 Sep - Thu, 2 Oct
Multiple Airlines Logo
08:40 - 17:10ORD-BFS
26h 30m3 stops
Multiple Airlines Logo
16:25 - 16:30BFS-ORD
30h 05m3 stops
£577Multiple Airlines
Find Deal
Fri, 26 Sep - Wed, 1 Oct
Multiple Airlines Logo
19:25 - 22:20ORD-BFS
20h 55m2 stops
Multiple Airlines Logo
21:05 - 18:15BFS-ORD
27h 10m2 stops
£590Multiple Airlines
Find Deal
Thu, 16 Oct - Sat, 25 Oct
Multiple Airlines Logo
18:00 - 22:25ORD-BFS
22h 25m2 stops
Multiple Airlines Logo
05:45 - 15:45BFS-ORD
40h 00m3 stops
£591Multiple Airlines
Find Deal
Sun, 28 Sep - Thu, 2 Oct
Multiple Airlines Logo
06:30 - 20:20ORD-BFS
31h 50m2 stops
Multiple Airlines Logo
16:25 - 16:30BFS-ORD
30h 05m3 stops
£609Multiple Airlines
Find Deal
Sun, 28 Sep - Wed, 1 Oct
Multiple Airlines Logo
19:25 - 22:20ORD-BFS
20h 55m2 stops
Multiple Airlines Logo
17:20 - 12:35BFS-ORD
25h 15m2 stops
£615Multiple Airlines
Find Deal
Fri, 31 Oct - Mon, 10 Nov
Multiple Airlines Logo
20:40 - 22:00ORD-BFS
20h 20m2 stops
Multiple Airlines Logo
22:20 - 15:00BFS-ORD
46h 40m3 stops
£619Multiple Airlines
Find Deal

Everything you should know

Cheapest return fare
£429
Multiple Airlines
Mon 29/9Tue 7/10
STL - BFS • 2 stops
Cheapest one-way flight
£237
Multiple Airlines
Sun 28/9
MDW - BFS • 3 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Belfast Intl!
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FAQs for booking Illinois to Belfast Intl Airport flights

  • How does KAYAK find such low prices on flights from Illinois to Belfast Intl Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Belfast Intl Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Belfast Intl Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from Illinois is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Belfast Intl Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Belfast Intl Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near Belfast Intl?

Book flights to Belfast Intl if you plan to visit one of these locations
Ballymena
Armagh

Everything you need to know for your flight to Belfast Intl

Information on your arrival and departure airports

Belfast Intl Airport (BFS)

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