£237 Find Cheap Flights from Illinois to Belfast

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 departing on 8/9. 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, 0 bags

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Cheap Flights from Illinois to Belfast

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Illinois to Belfast 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

Sat, 13 Jun - Sat, 20 Jun
Multiple Airlines Logo
09:55 - 18:55
ORD
-
BFS
27h 00m
3 stops
Multiple Airlines Logo
07:40 - 11:50
BFS
-
ORD
34h 10m
2 stops
£669Multiple Airlines
Sat, 13 Jun - Sat, 20 Jun
Multiple Airlines Logo
09:55 - 18:55
ORD
-
BFS
27h 00m
2 stops
Multiple Airlines Logo
07:40 - 11:50
BFS
-
ORD
34h 10m
2 stops
£670Multiple Airlines
Tue, 8 Sep - Sun, 13 Sep
British Airways Logo
19:05 - 15:20
ORD
-
BHD
14h 15m
1 stop
British Airways Logo
20:10 - 15:55
BHD
-
ORD
25h 45m
1 stop
£686British Airways
Tue, 8 Sep - Sun, 13 Sep
American Airlines Logo
22:35 - 15:20
ORD
-
BHD
10h 45m
1 stop
American Airlines Logo
11:00 - 21:21
BHD
-
ORD
16h 21m
2 stops
£697American Airlines
Thu, 20 Aug - Sun, 30 Aug
British Airways Logo
21:15 - 15:30
ORD
-
BHD
12h 15m
1 stop
British Airways Logo
06:30 - 15:55
BHD
-
ORD
15h 25m
1 stop
£710British Airways
Thu, 20 Aug - Sun, 30 Aug
American Airlines Logo
22:35 - 18:45
ORD
-
BHD
14h 10m
1 stop
American Airlines Logo
06:30 - 16:55
BHD
-
ORD
16h 25m
2 stops
£733American Airlines
Sun, 2 Aug - Sat, 15 Aug
KLM Logo
16:20 - 09:20
ORD
-
BHD
11h 00m
1 stop
KLM Logo
09:50 - 21:34
BHD
-
ORD
17h 44m
2 stops
£758KLM
Thu, 14 May - Tue, 19 May
Delta Logo
17:10 - 16:55
MDW
-
BHD
17h 45m
2 stops
Delta Logo
09:50 - 21:09
BHD
-
MDW
17h 19m
2 stops
£1,152Delta
Tue, 8 Sep - Sun, 13 Sep
KLM Logo
13:00 - 09:20
MDW
-
BHD
14h 20m
2 stops
KLM Logo
09:45 - 21:46
BHD
-
MDW
18h 01m
2 stops
£2,094KLM
Thu, 1 Oct - Sun, 4 Oct
Delta Logo
17:25 - 16:55
MDW
-
BHD
17h 30m
2 stops
Delta Logo
09:45 - 21:46
BHD
-
MDW
18h 01m
2 stops
£2,512Delta
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FAQs for booking flights from Illinois to Belfast

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

    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.

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

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

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

    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 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?

    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 from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Belfast

Cabin class types available on flights to Illinois

Cabin classes available on flights to Belfast. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Belfast
Business Class flights to Belfast
Premium Economy Class flights to Belfast
Economy class flights to Belfast