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Cheap flights from Northern Ireland to Chicago from £588

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 15/8. 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
20:55 - 19:15
BFS
-
ORD
28h 20m
2 stops
Multiple Airlines Logo
19:25 - 21:10
ORD
-
BFS
19h 45m
2 stops
£598Multiple Airlines
Mon, 21 Sep - Wed, 30 Sep
Multiple Airlines Logo
21:25 - 19:48
BFS
-
ORD
28h 23m
3 stops
Multiple Airlines Logo
19:25 - 20:40
ORD
-
BFS
19h 15m
2 stops
£637Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
21:35 - 19:48
BFS
-
ORD
28h 13m
2 stops
Multiple Airlines Logo
19:25 - 20:40
ORD
-
BFS
19h 15m
2 stops
£647Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
06:30 - 19:15
BFS
-
ORD
18h 45m
2 stops
Multiple Airlines Logo
15:45 - 11:15
ORD
-
BFS
13h 30m
2 stops
£648Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
21:35 - 20:12
BFS
-
ORD
28h 37m
3 stops
Multiple Airlines Logo
19:25 - 20:40
ORD
-
BFS
19h 15m
2 stops
£660Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
21:25 - 19:48
BFS
-
ORD
28h 23m
3 stops
Multiple Airlines Logo
19:25 - 22:00
ORD
-
BFS
20h 35m
3 stops
£683Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
17:15 - 18:15
BFS
-
ORD
31h 00m
3 stops
Multiple Airlines Logo
19:25 - 22:20
ORD
-
BFS
20h 55m
2 stops
£687Multiple Airlines
Mon, 21 Sep - Wed, 30 Sep
British Airways Logo
11:35 - 18:15
BHD
-
ORD
12h 40m
1 stop
British Airways Logo
17:00 - 13:35
ORD
-
BHD
14h 35m
1 stop
£691British Airways
Mon, 21 Sep - Wed, 30 Sep
Multiple Airlines Logo
11:05 - 19:15
BHD
-
ORD
14h 10m
2 stops
Multiple Airlines Logo
15:45 - 15:30
ORD
-
BHD
17h 45m
2 stops
£694Multiple Airlines
Mon, 21 Sep - Wed, 30 Sep
Multiple Airlines Logo
21:25 - 22:05
BFS
-
ORD
30h 40m
3 stops
Multiple Airlines Logo
19:25 - 22:00
ORD
-
BFS
20h 35m
3 stops
£696Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep

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British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
21 Sept
BHD11:35Belfast City
12h 40m
1 stop
ORD18:15Chicago O'Hare Intl
30 Sept
ORD17:00Chicago O'Hare Intl
14h 35m
1 stop
BHD13:35Belfast City
£691
British Airways
21 Sept
BHD09:40Belfast City
17h 32m
2 stops
ORD21:12Chicago O'Hare Intl
30 Sept
ORD19:05Chicago O'Hare Intl
10h 55m
1 stop
BHD12:00Belfast City
£696
British Airways
15 Jan
BHD06:45Belfast City
14h 45m
1 stop
ORD15:30Chicago O'Hare Intl
17 Jan
ORD20:40Chicago O'Hare Intl
11h 15m
1 stop
BHD13:55Belfast City
£785

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 29 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

Mon 21/9

20:55-19:15

2 stops28h 20m

Chicago O'Hare Intl

Wed 30/9

19:25-21:10

2 stops19h 45m

£598

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

21:25-19:48

3 stops28h 23m

Chicago O'Hare Intl

Mon 14/9

19:25-20:40

2 stops19h 15m

£637

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

21:35-19:48

2 stops28h 13m

Chicago O'Hare Intl

Mon 14/9

19:25-20:40

2 stops19h 15m

£647

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

06:30-19:15

2 stops18h 45m

Chicago O'Hare Intl

Mon 14/9

15:45-11:15

2 stops13h 30m

£648

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

21:35-20:12

3 stops28h 37m

Chicago O'Hare Intl

Mon 14/9

19:25-20:40

2 stops19h 15m

£660

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

21:25-19:48

3 stops28h 23m

Chicago O'Hare Intl

Mon 14/9

19:25-22:00

3 stops20h 35m

£683

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 21/9

17:15-18:15

3 stops31h 00m

Chicago O'Hare Intl

Wed 30/9

19:25-22:20

2 stops20h 55m

£687
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 21/9

11:35-18:15

1 stop12h 40m

Chicago O'Hare Intl

Wed 30/9

17:00-13:35

1 stop14h 35m

£691

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 21/9

11:05-19:15

2 stops14h 10m

Chicago O'Hare Intl

Wed 30/9

15:45-15:30

2 stops17h 45m

£694

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

21:25-22:05

3 stops30h 40m

Chicago O'Hare Intl

Mon 14/9

19:25-22:00

3 stops20h 35m

£696

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.
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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 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.

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.

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