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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$402 CHEAP FLIGHTS from Illinois to Belfast

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

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Belfast

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Belfast.

Discover the best prices for you by selecting your travel dates on KAYAK.

10:35 pm - 6:40 pmORD-BHD

14h 05m1 stop

6:50 am - 5:00 pmBHD-ORD

16h 10m1 stop

$587Iberia

Find Deal

Wed, Oct 8 - Wed, Oct 15

9:15 pm - 3:35 pmORD-BHD

12h 20m1 stop

6:35 am - 5:55 pmBHD-ORD

17h 20m2 stops

$597American Airlines

Find Deal

Wed, Oct 8 - Thu, Oct 16

5:00 pm - 1:30 pmORD-BHD

14h 30m2 stops

6:50 am - 7:45 pmBHD-ORD

18h 55m2 stops

$602British Airways

Find Deal

Wed, Oct 8 - Wed, Oct 15

9:15 pm - 3:30 pmORD-BHD

12h 15m1 stop

9:35 am - 3:55 pmBHD-ORD

12h 20m1 stop

$716British Airways

Find Deal

Thu, Aug 21 - Thu, Sep 4

10:00 am - 11:00 amORD-BFS

19h 00m3 stops

6:10 am - 9:56 pmBFS-ORD

21h 46m2 stops

$802

Find Deal

Sat, Jun 14 - Mon, Jun 16

8:50 am - 10:30 pmORD-BFS

31h 40m3 stops

5:45 am - 9:52 amBFS-ORD

34h 07m3 stops

$826

Find Deal

Mon, Jun 2 - Sat, Jun 7

1:00 pm - 4:55 pmMDW-BHD

21h 55m2 stops

6:30 am - 6:03 pmBHD-MDW

17h 33m2 stops

$1,037Delta

Find Deal

Wed, Aug 13 - Sun, Aug 24

4:26 pm - 9:15 pmMDW-BHD

22h 49m2 stops

6:30 am - 6:41 pmBHD-MDW

18h 11m2 stops

$1,125Delta

Find Deal

Fri, Jun 13 - Fri, Jun 20

9:15 pm - 5:45 pmORD-BHD

14h 30m2 stops

7:00 am - 7:00 pmBHD-ORD

18h 00m2 stops

$1,172Aer Lingus

Find Deal

Sun, Jun 22 - Sat, Jul 5

8:26 am - 12:50 pmSTL-BHD

22h 24m3 stops

7:00 am - 7:56 amBHD-STL

30h 56m3 stops

$1,554Aer Lingus

Find Deal

Tue, Jul 15 - Mon, Jul 21

Useful Info

Cheapest flight	$402

Flight from Chicago O'Hare Airport to Belfast City Airport

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

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Belfast

Business Class flights to Belfast

Prem Econ Class flights to Belfast

Economy Class flights to Belfast

$402 Find Cheap Flights from Illinois to Belfast

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

Cheap Flight Deals from Illinois to Belfast

Recent round-trip flight deals from Illinois to Belfast

Recent one-way flight deals from Illinois to Belfast

Recent last minute flight deals from Illinois to Belfast

Good to know

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

Complete your trip to Belfast with a hotel stay or car rental

Find direct flights for Belfast

Flights to other popular destinations

Flights from domestic origins to Belfast

Choose which airport to fly into in Belfast

Find deals for your return flight