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Cheap flights from Northern Ireland to Chicago from £718

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:45 - 16:57
BFS
-
ORD
24h 12m
2 stops
Multiple Airlines Logo
09:50 - 20:05
ORD
-
BFS
28h 15m
2 stops
£718Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
British Airways Logo
11:25 - 19:15
BHD
-
ORD
13h 50m
1 stop
British Airways Logo
18:35 - 16:50
ORD
-
BHD
16h 15m
2 stops
£745British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
06:35 - 17:55
BHD
-
ORD
17h 20m
2 stops
British Airways Logo
14:03 - 10:20
ORD
-
BHD
14h 17m
2 stops
£749British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
05:55 - 10:16
BFS
-
ORD
34h 21m
3 stops
Multiple Airlines Logo
09:50 - 19:15
ORD
-
BFS
27h 25m
2 stops
£792Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Multiple Airlines Logo
07:20 - 16:57
BFS
-
ORD
15h 37m
2 stops
Multiple Airlines Logo
19:25 - 21:15
ORD
-
BFS
19h 50m
3 stops
£810Multiple Airlines
Fri, 3 Jul - Fri, 10 Jul
Multiple Airlines Logo
05:55 - 10:16
BFS
-
ORD
34h 21m
3 stops
Multiple Airlines Logo
08:45 - 12:05
ORD
-
BFS
21h 20m
3 stops
£828Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Multiple Airlines Logo
07:20 - 10:16
BFS
-
ORD
32h 56m
3 stops
Multiple Airlines Logo
19:25 - 21:15
ORD
-
BFS
19h 50m
3 stops
£861Multiple Airlines
Fri, 3 Jul - Fri, 10 Jul
Multiple Airlines Logo
07:20 - 22:05
BFS
-
ORD
20h 45m
2 stops
Multiple Airlines Logo
09:50 - 21:15
ORD
-
BFS
29h 25m
2 stops
£887Multiple Airlines
Fri, 3 Jul - Fri, 10 Jul
Multiple Airlines Logo
06:50 - 12:40
BFS
-
ORD
35h 50m
2 stops
Multiple Airlines Logo
17:10 - 11:45
ORD
-
BFS
12h 35m
1 stop
£1,102Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Multiple Airlines Logo
06:15 - 15:10
BFS
-
ORD
14h 55m
1 stop
Multiple Airlines Logo
17:10 - 11:45
ORD
-
BFS
12h 35m
1 stop
£1,108Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
4 Nov
BHD11:25Belfast City
13h 50m
1 stop
ORD19:15Chicago O'Hare Intl
8 Nov
ORD18:35Chicago O'Hare Intl
16h 15m
2 stops
BHD16:50Belfast City
£745
British Airways
4 Nov
BHD06:35Belfast City
17h 20m
2 stops
ORD17:55Chicago O'Hare Intl
8 Nov
ORD14:03Chicago O'Hare Intl
14h 17m
2 stops
BHD10:20Belfast City
£749

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 May 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

Wed 1/7

22:45-16:57

2 stops24h 12m

Chicago O'Hare Intl

Wed 8/7

09:50-20:05

2 stops28h 15m

£718

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

11:25-19:15

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

18:35-16:50

2 stops16h 15m

£745

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:55

2 stops17h 20m

Chicago O'Hare Intl

Sun 8/11

14:03-10:20

2 stops14h 17m

£749

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

05:55-10:16

3 stops34h 21m

Chicago O'Hare Intl

Wed 8/7

09:50-19:15

2 stops27h 25m

£792

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-16:57

2 stops15h 37m

Chicago O'Hare Intl

Fri 10/7

19:25-21:15

3 stops19h 50m

£810

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

05:55-10:16

3 stops34h 21m

Chicago O'Hare Intl

Wed 8/7

08:45-12:05

3 stops21h 20m

£828

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-10:16

3 stops32h 56m

Chicago O'Hare Intl

Fri 10/7

19:25-21:15

3 stops19h 50m

£861

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-22:05

2 stops20h 45m

Chicago O'Hare Intl

Fri 10/7

09:50-21:15

2 stops29h 25m

£887

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

06:50-12:40

2 stops35h 50m

Chicago O'Hare Intl

Wed 8/7

17:10-11:45

1 stop12h 35m

£1,102
Fastest return journey

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

06:15-15:10

1 stop14h 55m

Chicago O'Hare Intl

Wed 8/7

17:10-11:45

1 stop12h 35m

£1,108

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

18h 10m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 18h 10m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
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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 many operators does momondo search for flights from Northern Ireland to Chicago?

  • 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.

Best airlines flying from Northern Ireland to Chicago

Compare and see reviews for airlines that fly from Northern Ireland to Chicago with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £500Free CancellationRating
6.7
7,995 reviews
Search British Airways flights

Frequently asked questions about flying from Northern Ireland to Chicago

  • How do I get Price Alerts for flights from Northern Ireland to Chicago?

    Confirm your travel details to search for the latest offers for flights from Northern Ireland to Chicago. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Northern Ireland to Chicago with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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