Cheap flights from Northern Ireland to Chicago from $492

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 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:25 am - 6:45 pm
BHD
-
ORD
13h 20m1 stop
British Airways Logo
4:10 pm - 11:30 am
ORD
-
BHD
13h 20m2 stops
$672British Airways
Tue, Feb 24 - Tue, Mar 3
British Airways Logo
7:35 pm - 2:55 pm
BHD
-
ORD
25h 20m2 stops
British Airways Logo
9:45 pm - 2:15 pm
ORD
-
BHD
10h 30m1 stop
$685British Airways
Fri, Feb 6 - Mon, Feb 9
British Airways Logo
7:35 pm - 2:55 pm
BHD
-
ORD
25h 20m2 stops
British Airways Logo
4:14 pm - 4:05 pm
ORD
-
BHD
17h 51m2 stops
$686British Airways
Fri, Feb 6 - Mon, Feb 9
Delta Logo
6:30 am - 4:41 pm
BHD
-
ORD
16h 11m2 stops
Delta Logo
2:12 pm - 4:50 pm
ORD
-
BHD
20h 38m2 stops
$692Delta
Tue, Feb 24 - Tue, Mar 3
British Airways Logo
6:45 am - 1:50 pm
BHD
-
ORD
13h 05m1 stop
British Airways Logo
9:45 pm - 2:15 pm
ORD
-
BHD
10h 30m1 stop
$693British Airways
Fri, Feb 6 - Mon, Feb 9
British Airways Logo
6:45 am - 1:50 pm
BHD
-
ORD
13h 05m1 stop
British Airways Logo
9:45 pm - 4:05 pm
ORD
-
BHD
12h 20m1 stop
$694British Airways
Fri, Feb 6 - Mon, Feb 9
British Airways Logo
11:05 am - 5:00 pm
BHD
-
ORD
11h 55m1 stop
British Airways Logo
6:25 pm - 2:15 pm
ORD
-
BHD
13h 50m1 stop
$716British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
6:35 am - 5:42 pm
BHD
-
ORD
17h 07m2 stops
British Airways Logo
4:14 pm - 2:15 pm
ORD
-
BHD
16h 01m2 stops
$721British Airways
Thu, Jan 29 - Mon, Feb 2
British Airways Logo
9:05 am - 8:10 pm
BHD
-
ORD
17h 05m2 stops
British Airways Logo
3:55 pm - 2:15 pm
ORD
-
BHD
16h 20m2 stops
$722British Airways
Thu, Jan 29 - Mon, Feb 2

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
Feb 6
BHD7:35 pmBelfast City
25h 20m
2 stops
ORD2:55 pmChicago O'Hare Intl
Feb 9
ORD11:44 amChicago O'Hare Intl
20h 31m
2 stops
BHD2:15 pmBelfast City
$685
British Airways
Feb 6
BHD7:35 pmBelfast City
25h 20m
2 stops
ORD2:55 pmChicago O'Hare Intl
Feb 9
ORD9:45 pmChicago O'Hare Intl
10h 30m
1 stop
BHD2:15 pmBelfast City
$686
British Airways
Feb 6
BHD6:45 amBelfast City
13h 05m
1 stop
ORD1:50 pmChicago O'Hare Intl
Feb 9
ORD9:45 pmChicago O'Hare Intl
10h 30m
1 stop
BHD2:15 pmBelfast City
$693

momondo Fare Finder

 
Customize your flight search to find flights from Northern Ireland to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Northern Ireland to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 2/24

11:25 am-6:45 pm

1 stop13h 20m

Chicago O'Hare Intl

Tue 3/3

4:10 pm-11:30 am

2 stops13h 20m

$672

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 2/6

7:35 pm-2:55 pm

2 stops25h 20m

Chicago O'Hare Intl

Mon 2/9

9:45 pm-2:15 pm

1 stop10h 30m

$685

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 2/6

7:35 pm-2:55 pm

2 stops25h 20m

Chicago O'Hare Intl

Mon 2/9

4:14 pm-4:05 pm

2 stops17h 51m

$686

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 2/24

6:30 am-4:41 pm

2 stops16h 11m

Chicago O'Hare Intl

Tue 3/3

2:12 pm-4:50 pm

2 stops20h 38m

$692

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 2/6

6:45 am-1:50 pm

1 stop13h 05m

Chicago O'Hare Intl

Mon 2/9

9:45 pm-2:15 pm

1 stop10h 30m

$693

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 2/6

6:45 am-1:50 pm

1 stop13h 05m

Chicago O'Hare Intl

Mon 2/9

9:45 pm-4:05 pm

1 stop12h 20m

$694

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/29

11:05 am-5:00 pm

1 stop11h 55m

Chicago O'Hare Intl

Mon 2/2

6:25 pm-2:15 pm

1 stop13h 50m

$716

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/29

6:35 am-5:42 pm

2 stops17h 07m

Chicago O'Hare Intl

Mon 2/2

4:14 pm-2:15 pm

2 stops16h 01m

$721

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/29

9:05 am-8:10 pm

2 stops17h 05m

Chicago O'Hare Intl

Mon 2/2

3:55 pm-2:15 pm

2 stops16h 20m

$722

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 1/19

10:20 pm-8:00 pm

3 stops51h 40m

$492

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Chicago from

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 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

13h 15m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 13h 15m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
  • 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
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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1 adult
Wed 2/11
Wed 2/18

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