$321 Find Cheap Flights from Illinois to Belfast - Compare and Save

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 9/13. 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 round-trip 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 round-trip flight deals from Illinois to Belfast

Fri, Oct 9 - Sun, Oct 18
Multiple Airlines Logo
7:25 pm - 4:40 pm
ORD
-
BHD
15h 15m
2 stops
Multiple Airlines Logo
7:00 am - 7:15 pm
BHD
-
ORD
42h 15m
3 stops
$780Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:25 pm - 3:55 pm
ORD
-
BFS
14h 30m
2 stops
Multiple Airlines Logo
9:35 am - 12:40 pm
BFS
-
ORD
33h 05m
2 stops
$792Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
7:25 pm - 10:40 pm
ORD
-
BFS
21h 15m
2 stops
Multiple Airlines Logo
8:15 pm - 9:25 pm
BFS
-
ORD
31h 10m
3 stops
$797Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
7:25 pm - 8:40 pm
ORD
-
BFS
19h 15m
2 stops
Multiple Airlines Logo
3:05 pm - 2:00 pm
BFS
-
ORD
28h 55m
2 stops
$803Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
7:25 pm - 3:55 pm
ORD
-
BFS
14h 30m
2 stops
Multiple Airlines Logo
4:55 pm - 4:58 pm
BFS
-
ORD
30h 03m
3 stops
$805Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
7:25 pm - 4:15 pm
ORD
-
BFS
14h 50m
2 stops
Multiple Airlines Logo
7:35 pm - 9:40 am
BFS
-
ORD
44h 05m
3 stops
$808Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
7:25 pm - 4:15 pm
ORD
-
BFS
14h 50m
2 stops
Multiple Airlines Logo
5:15 pm - 6:15 pm
BFS
-
ORD
31h 00m
3 stops
$808Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
7:25 pm - 4:15 pm
ORD
-
BFS
14h 50m
2 stops
Multiple Airlines Logo
7:35 pm - 9:40 am
BFS
-
ORD
44h 05m
3 stops
$809Multiple Airlines
Sun, Dec 6 - Wed, Dec 9
British Airways Logo
9:50 pm - 6:40 pm
ORD
-
BHD
14h 50m
1 stop
British Airways Logo
11:25 am - 6:45 pm
BHD
-
ORD
13h 20m
1 stop
$883British Airways
Sun, Nov 29 - Thu, Dec 3
British Airways Logo
5:10 pm - 10:20 am
ORD
-
BHD
11h 10m
1 stop
British Airways Logo
9:05 am - 6:45 pm
BHD
-
ORD
15h 40m
1 stop
$883British Airways
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Good to know

Cheapest flight

$321
Flight from Chicago to Belfast Intl Airport

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 round-trip 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