When did momondo last update prices for flights from Northern Ireland to Chicago?

Prices for flights from Northern Ireland to Chicago are refreshed on a daily basis.

How old do you have to be to fly from Northern Ireland to Chicago?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$425 Cheap Flights from Northern Ireland to Chicago in 2026

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Find the cheapest flights from Northern Ireland to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:10 am - 6:31 pm

BFS

ORD

39h 21m

3 stops

7:25 pm - 3:35 pm

ORD

BFS

14h 10m

2 stops

$812Multiple Airlines

Mon, Apr 13 - Mon, Apr 20

9:10 am - 6:31 pm

BFS

ORD

39h 21m

3 stops

7:25 pm - 11:20 pm

ORD

BFS

21h 55m

3 stops

$830Multiple Airlines

Mon, Apr 13 - Mon, Apr 20

10:40 am - 6:00 pm

BHD

ORD

12h 20m

1 stop

9:35 pm - 2:15 pm

ORD

BHD

11h 40m

1 stop

$879British Airways

Thu, Mar 19 - Mon, Mar 23

9:05 am - 4:25 pm

BHD

ORD

12h 20m

1 stop

6:44 pm - 4:05 pm

ORD

BHD

16h 21m

2 stops

$880British Airways

Thu, Mar 19 - Mon, Mar 23

6:35 am - 5:57 pm

BHD

ORD

16h 22m

2 stops

5:00 pm - 2:15 pm

ORD

BHD

16h 15m

2 stops

$885British Airways

Thu, Mar 19 - Mon, Mar 23

6:35 am - 5:57 pm

BHD

ORD

16h 22m

2 stops

11:40 am - 10:40 am

ORD

BHD

18h 00m

2 stops

$886British Airways

Thu, Mar 19 - Mon, Mar 23

6:30 am - 7:55 pm

BFS

ORD

19h 25m

2 stops

7:25 pm - 3:35 pm

ORD

BFS

14h 10m

2 stops

$926Multiple Airlines

Mon, Apr 13 - Mon, Apr 20

5:30 pm - 3:10 pm

BHD

ORD

51h 40m

2 stops

7:14 pm - 9:20 am

ORD

BHD

32h 06m

2 stops

$1,084KLM

Sun, Mar 29 - Sun, Apr 5

5:30 pm - 2:30 pm

BHD

ORD

27h 00m

1 stop

7:14 pm - 9:20 am

ORD

BHD

32h 06m

2 stops

$1,106KLM

Sun, Mar 29 - Sun, Apr 5

5:30 pm - 2:30 pm

BHD

ORD

27h 00m

1 stop

4:20 pm - 4:55 pm

ORD

BHD

18h 35m

1 stop

$1,136KLM

Sun, Mar 29 - Sun, Apr 5

KLM flights from Northern Ireland to Chicago

Our best KLM deals on Northern Ireland to Chicago flight tickets

KLM

Mar 29

BHD5:30 pmBelfast City

51h 40m

2 stops

ORD3:10 pmChicago O'Hare Intl

Apr 5

ORD7:14 pmChicago O'Hare Intl

32h 06m

2 stops

BHD9:20 amBelfast City

$1,084

KLM

Mar 29

BHD5:30 pmBelfast City

27h 00m

1 stop

ORD2:30 pmChicago O'Hare Intl

Apr 5

ORD7:14 pmChicago O'Hare Intl

32h 06m

2 stops

BHD9:20 amBelfast City

$1,106

KLM

Mar 29

BHD5:30 pmBelfast City

27h 00m

1 stop

ORD2:30 pmChicago O'Hare Intl

Apr 5

ORD4:20 pmChicago O'Hare Intl

18h 35m

1 stop

BHD4:55 pmBelfast City

$1,136

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets

British Airways

Mar 19

BHD10:40 amBelfast City

12h 20m

1 stop

ORD6:00 pmChicago O'Hare Intl

Mar 23

ORD5:00 pmChicago O'Hare Intl

16h 15m

2 stops

BHD2:15 pmBelfast City

$879

British Airways

Mar 19

BHD6:35 amBelfast City

14h 50m

1 stop

ORD4:25 pmChicago O'Hare Intl

Mar 23

ORD7:40 pmChicago O'Hare Intl

15h 25m

1 stop

BHD4:05 pmBelfast City

$880

British Airways

Mar 13

BHD6:45 amBelfast City

16h 15m

1 stop

ORD6:00 pmChicago O'Hare Intl

Mar 17

ORD1:39 pmChicago O'Hare Intl

16h 51m

2 stops

BHD11:30 amBelfast City

$883

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 4/13

9:10 am-6:31 pm

3 stops39h 21m

Chicago O'Hare Intl

Mon 4/20

7:25 pm-3:35 pm

2 stops14h 10m

$812

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 4/13

9:10 am-6:31 pm

3 stops39h 21m

Chicago O'Hare Intl

Mon 4/20

7:25 pm-11:20 pm

3 stops21h 55m

$830

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/19

10:40 am-6:00 pm

1 stop12h 20m

Chicago O'Hare Intl

Mon 3/23

9:35 pm-2:15 pm

1 stop11h 40m

$879

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/19

9:05 am-4:25 pm

1 stop12h 20m

Chicago O'Hare Intl

Mon 3/23

6:44 pm-4:05 pm

2 stops16h 21m

$880

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/19

6:35 am-5:57 pm

2 stops16h 22m

Chicago O'Hare Intl

Mon 3/23

5:00 pm-2:15 pm

2 stops16h 15m

$885

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/19

6:35 am-5:57 pm

2 stops16h 22m

Chicago O'Hare Intl

Mon 3/23

11:40 am-10:40 am

2 stops18h 00m

$886

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 4/13

6:30 am-7:55 pm

2 stops19h 25m

Chicago O'Hare Intl

Mon 4/20

7:25 pm-3:35 pm

2 stops14h 10m

$926

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 3/29

5:30 pm-3:10 pm

2 stops51h 40m

Chicago O'Hare Intl

Sun 4/5

7:14 pm-9:20 am

2 stops32h 06m

$1,084

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 3/29

5:30 pm-2:30 pm

1 stop27h 00m

Chicago O'Hare Intl

Sun 4/5

7:14 pm-9:20 am

2 stops32h 06m

$1,106

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 3/29

5:30 pm-2:30 pm

1 stop27h 00m

Chicago O'Hare Intl

Sun 4/5

4:20 pm-4:55 pm

1 stop18h 35m

$1,136

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Chicago?

British Airways is the most popular carrier operating from Northern Ireland to Chicago

Cheap Northern Ireland to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago

Fastest flight time	12h 20m
Direct flights	None

The fastest flight from Northern Ireland to Chicago takes 12h 20m

There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Chicago?
Prices for flights from Northern Ireland to Chicago are refreshed on a daily basis.
How old do you have to be to fly from Northern Ireland to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Valparaiso

Schererville

Munster

Crown Point

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Chicago for you.

Can I find flights from Northern Ireland to Chicago with flexible booking policies on momondo?

Flights from Northern Ireland to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Northern Ireland to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Northern Ireland.

I’m not ready to book a flight from Northern Ireland to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Northern Ireland to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Northern Ireland to Chicago from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Northern Ireland to Chicago

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KLM flights from Northern Ireland to Chicago

Our best KLM deals on Northern Ireland to Chicago flight tickets

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets

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How to get the cheapest flight ticket from Northern Ireland to Chicago

What is the cheapest airline that flies from Northern Ireland to Chicago?

Cheap Northern Ireland to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago

Fastest flight time

Direct flights

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago

Cabin classes currently available on flights to Chicago

List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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