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>

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

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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

Tue, Jul 29 - Tue, Aug 5

10:55 pm - 7:55 amBFS-ORD

39h 00m3 stops

8:09 am - 10:25 pmORD-BFS

32h 16m2 stops

$917

Find Deal

Tue, Jul 29 - Tue, Aug 5

10:55 pm - 7:55 amBFS-ORD

39h 00m3 stops

7:25 pm - 11:20 pmORD-BFS

21h 55m3 stops

$946

Find Deal

Wed, Jul 30 - Wed, Aug 6

5:45 am - 3:00 pmBFS-ORD

39h 15m3 stops

3:50 pm - 6:35 pmORD-BFS

20h 45m2 stops

$976

Find Deal

Tue, Jul 29 - Tue, Aug 5

10:55 pm - 3:50 pmBFS-ORD

22h 55m2 stops

8:09 am - 10:25 pmORD-BFS

32h 16m2 stops

$985

Find Deal

Wed, Jul 30 - Wed, Aug 6

11:10 am - 3:00 pmBFS-ORD

33h 50m3 stops

2:00 pm - 6:35 pmORD-BFS

22h 35m2 stops

$1,005

Find Deal

Tue, Jul 29 - Fri, Aug 1

10:55 pm - 3:50 pmBFS-ORD

22h 55m2 stops

8:09 am - 8:05 pmORD-BFS

29h 56m2 stops

$1,013

Find Deal

Wed, Jul 30 - Wed, Aug 6

5:20 pm - 3:00 pmBFS-ORD

27h 40m2 stops

2:00 pm - 6:35 pmORD-BFS

22h 35m2 stops

$1,016

Find Deal

Thu, Jul 31 - Thu, Aug 7

8:55 pm - 7:29 pmBFS-ORD

28h 34m3 stops

2:00 pm - 4:15 pmORD-BFS

20h 15m2 stops

$1,074

Find Deal

Thu, Jul 31 - Thu, Aug 7

6:00 am - 10:05 pmBFS-ORD

22h 05m2 stops

9:55 am - 4:15 pmORD-BFS

24h 20m2 stops

$1,088

Find Deal

Thu, Jul 31 - Thu, Aug 7

8:55 pm - 7:29 pmBFS-ORD

28h 34m3 stops

6:00 pm - 9:15 pmORD-BFS

21h 15m3 stops

$1,097

Find Deal

Useful Info

Cheapest flight	$917

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.

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

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Chicago (ORD)

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$917 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

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.

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

Find deals for your return flight