£249 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 13/4. 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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Everything you should know

Cheapest return fare
£507
British Airways
Fri 20/2Fri 27/2
ORD - BHD • 1 stop
Cheapest one-way flight
£249
Aer Lingus
Mon 13/4
ORD - BHD • 2 stops
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Flight Deals
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Flight Deals

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

Fri, 20 Feb - Fri, 27 Feb
British Airways Logo
17:10 - 10:30
ORD
-
BHD
11h 20m
1 stop
British Airways Logo
06:45 - 18:45
BHD
-
ORD
18h 00m
1 stop
£507British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
17:10 - 10:15
ORD
-
BHD
11h 05m
1 stop
British Airways Logo
09:10 - 19:45
BHD
-
ORD
15h 35m
1 stop
£512British Airways
Fri, 20 Feb - Fri, 27 Feb
British Airways Logo
17:10 - 10:30
ORD
-
BHD
11h 20m
1 stop
British Airways Logo
06:45 - 07:19
BHD
-
ORD
30h 34m
2 stops
£514British Airways
Thu, 16 Apr - Tue, 21 Apr
American Airlines Logo
22:35 - 19:25
ORD
-
BHD
14h 50m
1 stop
American Airlines Logo
09:40 - 17:35
BHD
-
ORD
13h 55m
1 stop
£522American Airlines
Fri, 20 Feb - Fri, 27 Feb
American Airlines Logo
13:39 - 10:30
ORD
-
BHD
14h 51m
2 stops
American Airlines Logo
06:45 - 17:58
BHD
-
ORD
17h 13m
2 stops
£523American Airlines
Sun, 22 Mar - Mon, 30 Mar
Delta Logo
17:25 - 16:50
ORD
-
BHD
18h 25m
1 stop
Delta Logo
09:50 - 22:16
BHD
-
ORD
18h 26m
2 stops
£528Delta
Sun, 22 Mar - Mon, 30 Mar
Delta Logo
17:25 - 16:50
ORD
-
BHD
18h 25m
1 stop
Delta Logo
17:30 - 14:15
BHD
-
ORD
26h 45m
1 stop
£536Delta
Sun, 15 Mar - Sun, 22 Mar
Multiple Airlines Logo
17:05 - 18:55
ORD
-
BFS
20h 50m
2 stops
Multiple Airlines Logo
07:30 - 14:25
BFS
-
ORD
35h 55m
2 stops
£640Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
12:50 - 22:00
ORD
-
BFS
28h 10m
2 stops
Multiple Airlines Logo
18:00 - 11:05
BFS
-
ORD
22h 05m
2 stops
£697Multiple Airlines
Sat, 21 Mar - Fri, 27 Mar
Virgin Atlantic Logo
18:34 - 21:00
MDW
-
BHD
21h 26m
2 stops
Virgin Atlantic Logo
06:30 - 18:40
BHD
-
MDW
17h 10m
2 stops
£1,230Virgin Atlantic
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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