$414 Find Cheap Flights from Belfast to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Illinois departing on 9/15. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Belfast to Illinois, as well as popular online travel agencies
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Flight Deals

Book Cheap Belfast to Illinois Plane Tickets

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

Tue, Nov 17 - Sat, Nov 28
British Airways Logo
11:25 am - 6:45 pm
BHD
-
ORD
13h 20m
1 stop
British Airways Logo
9:45 pm - 4:45 pm
ORD
-
BHD
13h 00m
1 stop
$837British Airways
Tue, Nov 17 - Sat, Nov 28
British Airways Logo
10:00 am - 8:25 pm
BHD
-
ORD
16h 25m
2 stops
British Airways Logo
5:10 pm - 2:15 pm
ORD
-
BHD
15h 05m
1 stop
$844British Airways
Thu, Jul 9 - Mon, Jul 13
Multiple Airlines Logo
8:20 am - 8:05 pm
BFS
-
ORD
17h 45m
3 stops
Multiple Airlines Logo
9:50 am - 9:35 pm
ORD
-
BFS
29h 45m
2 stops
$846Multiple Airlines
Thu, Jul 9 - Mon, Jul 13
Multiple Airlines Logo
8:20 am - 10:05 pm
BFS
-
ORD
19h 45m
2 stops
Multiple Airlines Logo
9:50 am - 9:35 pm
ORD
-
BFS
29h 45m
2 stops
$870Multiple Airlines
Mon, Nov 9 - Fri, Nov 13
British Airways Logo
11:30 am - 6:45 pm
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
2:03 pm - 10:30 am
ORD
-
BHD
14h 27m
2 stops
$877British Airways
Mon, Nov 9 - Fri, Nov 13
British Airways Logo
11:30 am - 6:45 pm
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
2:03 pm - 10:30 am
ORD
-
BHD
14h 27m
2 stops
$879British Airways
Mon, Nov 9 - Fri, Nov 13
British Airways Logo
11:30 am - 6:45 pm
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
2:03 pm - 10:30 am
ORD
-
BHD
14h 27m
2 stops
$880British Airways
Thu, Jul 2 - Tue, Jul 21
Multiple Airlines Logo
6:40 am - 4:57 pm
BFS
-
ORD
16h 17m
2 stops
Multiple Airlines Logo
8:45 am - 10:15 pm
ORD
-
BFS
31h 30m
3 stops
$882Multiple Airlines
Mon, Nov 9 - Fri, Nov 13
British Airways Logo
6:35 am - 6:25 pm
BHD
-
ORD
17h 50m
2 stops
British Airways Logo
4:40 pm - 2:15 pm
ORD
-
BHD
15h 35m
2 stops
$882British Airways
Thu, Jul 2 - Tue, Jul 21
Multiple Airlines Logo
6:40 am - 4:57 pm
BFS
-
ORD
16h 17m
2 stops
Multiple Airlines Logo
5:35 pm - 10:15 pm
ORD
-
BFS
22h 40m
2 stops
$883Multiple Airlines
Booking Insights

KAYAK's insights & trends for Belfast to Illinois flights

Get data-powered insights and trends into flights from Belfast to Illinois to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Belfast to Illinois take?

The duration of a flight to Illinois depends on your arrival airport. The shortest route to Illinois from Belfast is to Chicago, which takes 13h 15m.

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Good to know

Cheapest flight$414
Flight from Belfast City Airport to Chicago

FAQs - booking Illinois flights

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

    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 Belfast to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Belfast to 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 Belfast to Illinois?

    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 from Belfast to Illinois with an airline and back with another airline.

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

    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 from Belfast to 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 from Belfast to Illinois

Cabin class types available on flights to Illinois

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