How does KAYAK find such low prices on flights from Northern Ireland to Chicago?

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 Northern Ireland to Chicago. 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 Northern Ireland to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Northern Ireland 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 Northern Ireland to Chicago?

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 Chicago with an airline and back to Northern Ireland 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 Northern Ireland to Chicago?

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 Chicago from Northern Ireland 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>

$338 CHEAP FLIGHTS from Northern Ireland to Chicago (ORD)

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

...and more

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Cheapest round-trip

$652

Multiple Airlines

Sat 1/31Sat 2/7

BFS - ORD • 2 stops

Cheapest one-way

$338

Multiple Airlines

Thu 1/29

BFS - ORD • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to O'Hare Intl!

Flight Deals

Cheap Flights from Northern Ireland to O'Hare Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Northern Ireland to O'Hare Intl 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.

Round-trip

One-way

Recent round-trip flight deals from Northern Ireland to O'Hare Intl

Sat, Jan 31 - Sat, Feb 7

8:10 am - 5:20 pm

BFS

ORD

15h 10m2 stops

6:30 pm - 5:40 pm

ORD

BFS

17h 10m2 stops

$652Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

9:05 pm - 2:45 pm

BFS

ORD

47h 40m3 stops

7:15 am - 3:10 pm

ORD

BFS

25h 55m3 stops

$703Multiple Airlines

Fri, Jan 30 - Fri, Feb 6

9:05 pm - 2:45 pm

BFS

ORD

47h 40m3 stops

9:50 pm - 10:00 pm

ORD

BFS

18h 10m2 stops

$707Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

9:05 am - 3:25 pm

BHD

ORD

12h 20m1 stop

3:21 pm - 2:15 pm

ORD

BHD

16h 54m2 stops

$710British Airways

Thu, Jan 29 - Mon, Feb 2

9:05 am - 8:10 pm

BHD

ORD

17h 05m2 stops

11:44 am - 10:40 am

ORD

BHD

16h 56m2 stops

$715British Airways

Sat, Jan 31 - Sat, Feb 7

10:10 am - 2:45 pm

BFS

ORD

34h 35m3 stops

6:50 pm - 10:40 pm

ORD

BFS

21h 50m2 stops

$806Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

10:10 am - 2:45 pm

BFS

ORD

34h 35m3 stops

6:30 pm - 10:30 pm

ORD

BFS

22h 00m3 stops

$807Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

9:05 am - 5:00 pm

BHD

ORD

13h 55m1 stop

6:25 pm - 2:15 pm

ORD

BHD

13h 50m1 stop

$836British Airways

Thu, Jan 29 - Mon, Feb 2

6:35 am - 5:42 pm

BHD

ORD

17h 07m2 stops

11:44 am - 10:40 am

ORD

BHD

16h 56m2 stops

$842British Airways

Fri, Jan 30 - Fri, Feb 6

8:05 am - 5:20 pm

BFS

ORD

15h 15m2 stops

9:50 pm - 10:00 pm

ORD

BFS

18h 10m2 stops

$1,007Multiple Airlines

Useful Info

Cheapest flight	$338

Flight from Belfast Intl Airport to Chicago

How does KAYAK find such low prices on flights from Northern Ireland to Chicago?
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 Northern Ireland to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Northern Ireland 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 Northern Ireland to Chicago?
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 Chicago with an airline and back to Northern Ireland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to Chicago?
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 Chicago from Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Gurnee

South Haven

Merrillville

Oak Brook

Saint Joseph

Tinley Park

Elk Grove Village

Des Plaines

Hoffman Estates

Hammond

Willowbrook

Portage

Delavan

Northbrook

South Holland

Pleasant Prairie

Lansing

Elmhurst

Valparaiso

Lisle

Everything you need to know for your flight to O'Hare Intl

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Chicago (ORD)

$338 Find Cheap Flights from Northern Ireland to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

Everything you should know

Cheap Flights from Northern Ireland to O'Hare Intl

Recent round-trip flight deals from Northern Ireland to O'Hare Intl

Recent one-way flight deals from Northern Ireland to O'Hare Intl

Good to know

FAQs for booking Northern Ireland to Chicago flights

How does KAYAK find such low prices on flights from Northern Ireland to Chicago?

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 Northern Ireland to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Northern Ireland 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 Northern Ireland to Chicago?

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 Chicago with an airline and back to Northern Ireland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to Chicago?

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

Traveling to a place near O'Hare Intl?

Everything you need to know for your flight to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to O'Hare Intl with a hotel stay or car rental

Find direct flights for O'Hare Intl

Flights to other popular destinations

Flights from domestic origins to Northern Ireland

Choose which airport to fly into in Chicago

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