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Cheap flights from Northern Ireland to Chicago from £292

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 20/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:05 - 20:12
BFS
-
ORD
29h 07m
3 stops
Multiple Airlines Logo
19:25 - 19:40
ORD
-
BFS
18h 15m
2 stops
£618Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
Multiple Airlines Logo
18:35 - 21:20
BFS
-
ORD
32h 45m
2 stops
Multiple Airlines Logo
19:25 - 19:40
ORD
-
BFS
18h 15m
2 stops
£631Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
Multiple Airlines Logo
22:30 - 12:40
BFS
-
ORD
44h 10m
3 stops
Multiple Airlines Logo
09:50 - 19:40
ORD
-
BFS
27h 50m
2 stops
£639Multiple Airlines
Tue, 1 Sep - Tue, 8 Sep
British Airways Logo
06:30 - 16:49
BHD
-
ORD
16h 19m
2 stops
British Airways Logo
19:05 - 13:35
ORD
-
BHD
12h 30m
1 stop
£665British Airways
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
08:20 - 14:44
BFS
-
ORD
36h 24m
3 stops
Multiple Airlines Logo
19:25 - 21:00
ORD
-
BFS
19h 35m
2 stops
£666Multiple Airlines
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
21:05 - 20:12
BFS
-
ORD
29h 07m
3 stops
Multiple Airlines Logo
19:25 - 23:10
ORD
-
BFS
21h 45m
3 stops
£675Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
British Airways Logo
06:30 - 15:55
BHD
-
ORD
15h 25m
1 stop
British Airways Logo
19:05 - 15:20
ORD
-
BHD
14h 15m
1 stop
£709British Airways
Fri, 25 Sep - Tue, 29 Sep
Iberia Logo
06:30 - 12:25
BHD
-
ORD
11h 55m
1 stop
Iberia Logo
22:25 - 18:45
ORD
-
BHD
14h 20m
1 stop
£712Iberia
Thu, 10 Sep - Thu, 24 Sep
American Airlines Logo
06:35 - 15:30
BHD
-
ORD
14h 55m
1 stop
American Airlines Logo
20:40 - 14:15
ORD
-
BHD
11h 35m
1 stop
£718American Airlines
Thu, 3 Dec - Mon, 7 Dec
Iberia Logo
16:25 - 12:30
BHD
-
ORD
26h 05m
1 stop
Iberia Logo
20:50 - 18:10
ORD
-
BHD
15h 20m
1 stop
£730Iberia
Fri, 4 Sep - Fri, 11 Sep

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Iberia flights from Northern Ireland to Chicago

Our best Iberia deals on Northern Ireland to Chicago flight tickets
Iberia
10 Sept
BHD06:30Belfast City
11h 55m
1 stop
ORD12:25Chicago O'Hare Intl
24 Sept
ORD22:25Chicago O'Hare Intl
14h 20m
1 stop
BHD18:45Belfast City
£712
Iberia
4 Sept
BHD16:25Belfast City
26h 05m
1 stop
ORD12:30Chicago O'Hare Intl
11 Sept
ORD20:50Chicago O'Hare Intl
15h 20m
1 stop
BHD18:10Belfast City
£730
Iberia
4 Sept
BHD11:00Belfast City
12h 15m
1 stop
ORD17:15Chicago O'Hare Intl
11 Sept
ORD15:50Chicago O'Hare Intl
20h 20m
2 stops
BHD18:10Belfast City
£737

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
7 Oct
BHD06:30Belfast City
16h 19m
2 stops
ORD16:49Chicago O'Hare Intl
14 Oct
ORD19:05Chicago O'Hare Intl
12h 30m
1 stop
BHD13:35Belfast City
£665
British Airways
25 Sept
BHD06:30Belfast City
15h 25m
1 stop
ORD15:55Chicago O'Hare Intl
29 Sept
ORD19:05Chicago O'Hare Intl
14h 15m
1 stop
BHD15:20Belfast City
£709
British Airways
25 Sept
BHD09:35Belfast City
12h 20m
1 stop
ORD15:55Chicago O'Hare Intl
29 Sept
ORD13:35Chicago O'Hare Intl
15h 10m
2 stops
BHD10:45Belfast City
£711

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 23 July 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

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/9

21:05-20:12

3 stops29h 07m

Chicago O'Hare Intl

Tue 29/9

19:25-19:40

2 stops18h 15m

£618

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/9

18:35-21:20

2 stops32h 45m

Chicago O'Hare Intl

Tue 29/9

19:25-19:40

2 stops18h 15m

£631

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 1/9

22:30-12:40

3 stops44h 10m

Chicago O'Hare Intl

Tue 8/9

09:50-19:40

2 stops27h 50m

£639

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/10

06:30-16:49

2 stops16h 19m

Chicago O'Hare Intl

Wed 14/10

19:05-13:35

1 stop12h 30m

£665

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 27/8

08:20-14:44

3 stops36h 24m

Chicago O'Hare Intl

Sun 30/8

19:25-21:00

2 stops19h 35m

£666

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/9

21:05-20:12

3 stops29h 07m

Chicago O'Hare Intl

Tue 29/9

19:25-23:10

3 stops21h 45m

£675

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 25/9

06:30-15:55

1 stop15h 25m

Chicago O'Hare Intl

Tue 29/9

19:05-15:20

1 stop14h 15m

£709
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/9

06:30-12:25

1 stop11h 55m

Chicago O'Hare Intl

Thu 24/9

22:25-18:45

1 stop14h 20m

£712

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/12

06:35-15:30

1 stop14h 55m

Chicago O'Hare Intl

Mon 7/12

20:40-14:15

1 stop11h 35m

£718

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 4/9

16:25-12:30

1 stop26h 05m

Chicago O'Hare Intl

Fri 11/9

20:50-18:10

1 stop15h 20m

£730

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

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

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.
Search flight deals

Frequently asked questions about flying 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 updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Chicago.

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

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schererville

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Chicago . Millions of users trust and use momondo every year so you are in good hands.

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?

Yes momondo offers price alerts on flights to Chicago from Northern Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport