How old do you have to be to fly from Northern Ireland to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$425 Cheap Flights from Northern Ireland to Chicago O'Hare Intl Airport 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

9:05 pm - 12:22 am

BFS

ORD

33h 17m

3 stops

7:25 pm - 9:55 pm

ORD

BFS

20h 30m

3 stops

$828Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

10:00 pm - 3:55 pm

BFS

ORD

23h 55m

2 stops

7:25 pm - 9:30 pm

ORD

BFS

20h 05m

2 stops

$830Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

9:05 pm - 12:22 am

BFS

ORD

33h 17m

3 stops

7:25 pm - 9:30 pm

ORD

BFS

20h 05m

2 stops

$831Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

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

6:35 am - 4:25 pm

BHD

ORD

14h 50m

1 stop

3:16 pm - 2:15 pm

ORD

BHD

17h 59m

2 stops

$880British Airways

Thu, Mar 19 - Mon, Mar 23

6:45 am - 6:00 pm

BHD

ORD

16h 15m

1 stop

1:39 pm - 11:30 am

ORD

BHD

16h 51m

2 stops

$883British Airways

Fri, Mar 13 - Tue, Mar 17

6:30 am - 3:20 pm

BHD

ORD

13h 50m

1 stop

10:40 am - 4:50 pm

ORD

BHD

25h 10m

2 stops

$904Delta

Fri, Mar 13 - Tue, Mar 17

6:45 am - 4:25 pm

BHD

ORD

14h 40m

1 stop

6:10 pm - 11:30 am

ORD

BHD

12h 20m

1 stop

$917American Airlines

Fri, Mar 13 - Tue, Mar 17

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

KLM flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best KLM deals on Northern Ireland to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport

Our best British Airways deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets

British Airways

Mar 19

BHD10:40 amBelfast City

12h 20m

1 stop

ORD6:00 pmChicago O'Hare Intl

Mar 23

ORD9:35 pmChicago O'Hare Intl

11h 40m

1 stop

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

ORD3:16 pmChicago O'Hare Intl

17h 59m

2 stops

BHD2:15 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

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Chicago O'Hare Intl Airport that are best for you.

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

Sun 4/12

9:05 pm-12:22 am

3 stops33h 17m

Chicago O'Hare Intl

Sun 4/19

7:25 pm-9:55 pm

3 stops20h 30m

$828

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 4/12

10:00 pm-3:55 pm

2 stops23h 55m

Chicago O'Hare Intl

Sun 4/19

7:25 pm-9:30 pm

2 stops20h 05m

$830

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 4/12

9:05 pm-12:22 am

3 stops33h 17m

Chicago O'Hare Intl

Sun 4/19

7:25 pm-9:30 pm

2 stops20h 05m

$831

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

6:35 am-4:25 pm

1 stop14h 50m

Chicago O'Hare Intl

Mon 3/23

3:16 pm-2:15 pm

2 stops17h 59m

$880

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 3/13

6:45 am-6:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 3/17

1:39 pm-11:30 am

2 stops16h 51m

$883

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 3/13

6:30 am-3:20 pm

1 stop13h 50m

Chicago O'Hare Intl

Tue 3/17

10:40 am-4:50 pm

2 stops25h 10m

$904

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 3/13

6:45 am-4:25 pm

1 stop14h 40m

Chicago O'Hare Intl

Tue 3/17

6:10 pm-11:30 am

1 stop12h 20m

$917

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Chicago O'Hare Intl Airport

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 O'Hare Intl?

British Airways is the most popular carrier operating from Northern Ireland to Chicago O'Hare Intl

Cheap Northern Ireland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago O'Hare Intl Airport

Fastest flight time	12h 20m
Direct flights	None

The fastest flight from Northern Ireland to Chicago O'Hare Intl Airport takes 12h 20m

There are no direct flights from Northern Ireland to Chicago O'Hare Intl Airport. There are no popular flight routes from Northern Ireland to Chicago O'Hare Intl Airport.

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Chicago O'Hare Intl Airport?
Prices for flights from Northern Ireland to Chicago O'Hare Intl Airport are updated daily.
How old do you have to be to fly from Northern Ireland to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Lake Geneva

Schaumburg

South Haven

Rockford

Merrillville

Gurnee

Naperville

Rosemont

New Buffalo

Orland Park

Kenosha

Oak Brook

Joliet

Racine

Janesville

Hammond

Aurora

Tinley Park

Elgin

South Holland

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?

Yes. All flights to Chicago from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Northern Ireland to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.