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.

$411 Cheap Flights from Northern Ireland to Chicago in 2025/26

1 adult

0 bags

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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.

6:00 am - 4:45 pmBFS-ORD

16h 45m2 stops

7:20 pm - 10:40 pmORD-BFS

21h 20m2 stops

$732Multiple Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

6:00 am - 4:45 pmBFS-ORD

16h 45m2 stops

7:20 pm - 10:40 pmORD-BFS

21h 20m3 stops

$738Multiple Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

9:05 am - 5:00 pmBHD-ORD

13h 55m1 stop

9:45 pm - 2:15 pmORD-BHD

11h 30m1 stop

$835American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 3:25 pmBHD-ORD

14h 50m1 stop

6:10 pm - 10:40 amORD-BHD

11h 30m1 stop

$837American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 3:25 pmBHD-ORD

14h 50m1 stop

9:45 pm - 2:15 pmORD-BHD

11h 30m1 stop

$838American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 5:26 pmBHD-ORD

16h 51m2 stops

6:30 pm - 2:15 pmORD-BHD

14h 45m2 stops

$843American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:35 am - 5:42 pmBHD-ORD

17h 07m2 stops

6:30 pm - 2:15 pmORD-BHD

14h 45m2 stops

$844American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

12:45 pm - 2:45 pmBFS-ORD

32h 00m3 stops

2:01 pm - 10:40 pmORD-BFS

26h 39m3 stops

$911Multiple Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets

American Airlines

Mar 5

BHD9:05 amBelfast City

13h 55m

1 stop

ORD5:00 pmChicago O'Hare Intl

Mar 9

ORD9:45 pmChicago O'Hare Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

$835

Find similar

American Airlines

Mar 5

BHD6:35 amBelfast City

14h 50m

1 stop

ORD3:25 pmChicago O'Hare Intl

Mar 9

ORD6:10 pmChicago O'Hare Intl

11h 30m

1 stop

BHD10:40 amBelfast City

$837

Find similar

American Airlines

Mar 5

BHD6:35 amBelfast City

14h 50m

1 stop

ORD3:25 pmChicago O'Hare Intl

Mar 9

ORD9:45 pmChicago O'Hare Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

$838

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 11/22

6:00 am-4:45 pm

2 stops16h 45m

Chicago O'Hare Intl

Sat 11/29

7:20 pm-10:40 pm

2 stops21h 20m

$732

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 11/22

6:00 am-4:45 pm

2 stops16h 45m

Chicago O'Hare Intl

Sat 11/29

7:20 pm-10:40 pm

3 stops21h 20m

$738

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

9:05 am-5:00 pm

1 stop13h 55m

Chicago O'Hare Intl

Mon 3/9

9:45 pm-2:15 pm

1 stop11h 30m

$835

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-3:25 pm

1 stop14h 50m

Chicago O'Hare Intl

Mon 3/9

6:10 pm-10:40 am

1 stop11h 30m

$837

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-3:25 pm

1 stop14h 50m

Chicago O'Hare Intl

Mon 3/9

9:45 pm-2:15 pm

1 stop11h 30m

$838

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:26 pm

2 stops16h 51m

Chicago O'Hare Intl

Mon 3/9

6:30 pm-2:15 pm

2 stops14h 45m

$843

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:42 pm

2 stops17h 07m

Chicago O'Hare Intl

Mon 3/9

6:30 pm-2:15 pm

2 stops14h 45m

$844

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 11/22

12:45 pm-2:45 pm

3 stops32h 00m

Chicago O'Hare Intl

Sat 11/29

2:01 pm-10:40 pm

3 stops26h 39m

$911

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 10/31

6:30 am-8:17 pm

2 stops42h 47m

$411

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 10/31

6:30 am-10:50 am

3 stops33h 20m

$446

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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?

Aer Lingus, British Airways, and Virgin Atlantic are the most popular carriers 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

Direct flights	None

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

Schererville

Valparaiso

Crown Point

Munster

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.