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Cheap flights from Northern Ireland to Chicago from £276

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
14:25 - 16:10BFS  Belfast Intl-ORD Chicago O'Hare Intl
31h 45m2 stops Paris Charles de Gaulle Kastrup Copenhagen
Multiple Airlines Logo
19:15 - 22:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 35m2 stops Kastrup Copenhagen Paris Charles de Gaulle
£625Multiple Airlines
Thu, 17 Sep - Thu, 24 Sep
Multiple Airlines Logo
08:20 - 18:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
15h 55m2 stops Glasgow Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
22:25 - 21:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
17h 25m2 stops Reykjavik Keflavik Intl Glasgow Intl
£679Multiple Airlines
Fri, 2 Oct - Fri, 9 Oct
Multiple Airlines Logo
06:10 - 19:48BFS  Belfast Intl-ORD Chicago O'Hare Intl
19h 38m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
19:25 - 23:00ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 35m3 stops Reykjavik Keflavik Intl Gdansk Rebiechowo London Stansted
£681Multiple Airlines
Thu, 17 Sep - Thu, 24 Sep
Multiple Airlines Logo
21:10 - 16:53BFS  Belfast Intl-ORD Chicago O'Hare Intl
25h 43m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
14:15 - 16:15ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 00m3 stops Toronto Pearson Intl Madrid Barajas London Stansted
£697Multiple Airlines
Fri, 9 Oct - Mon, 12 Oct
Multiple Airlines Logo
06:05 - 20:41BFS  Belfast Intl-ORD Chicago O'Hare Intl
44h 36m3 stops London Gatwick Ottawa Toronto Island
Multiple Airlines Logo
22:25 - 21:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
17h 25m2 stops Reykjavik Keflavik Intl Glasgow Intl
£702Multiple Airlines
Fri, 2 Oct - Fri, 9 Oct
Multiple Airlines Logo
06:40 - 09:40BFS  Belfast Intl-ORD Chicago O'Hare Intl
33h 00m2 stops London Stansted Istanbul
Multiple Airlines Logo
11:25 - 23:20ORD  Chicago O'Hare Intl-BFS Belfast Intl
29h 55m2 stops Istanbul London Stansted
£706Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
06:10 - 20:12BFS  Belfast Intl-ORD Chicago O'Hare Intl
20h 02m3 stops London Gatwick Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
15:45 - 18:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 05m3 stops Toronto Pearson Intl Barcelona-El Prat London Luton
£733Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
British Airways Logo
08:35 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
16h 10m1 stop London Heathrow
British Airways Logo
17:10 - 10:50ORD  Chicago O'Hare Intl-BHD Belfast City
11h 40m1 stop London Heathrow
£750British Airways
Fri, 13 Nov - Mon, 16 Nov
British Airways Logo
08:35 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
16h 10m1 stop London Heathrow
British Airways Logo
17:10 - 10:50ORD  Chicago O'Hare Intl-BHD Belfast City
11h 40m1 stop London Heathrow
£751British Airways
Fri, 13 Nov - Mon, 16 Nov
British Airways Logo
08:35 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
16h 10m1 stop London Heathrow
British Airways Logo
17:10 - 10:50ORD  Chicago O'Hare Intl-BHD Belfast City
11h 40m1 stop London Heathrow
£753British Airways
Fri, 13 Nov - Mon, 16 Nov

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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
13 Nov
BHD08:35Belfast City
16h 10m
1 stop
ORD18:45Chicago O'Hare Intl
16 Nov
ORD17:10Chicago O'Hare Intl
11h 40m
1 stop
BHD10:50Belfast City
£750
British Airways
13 Nov
BHD08:35Belfast City
16h 10m
1 stop
ORD18:45Chicago O'Hare Intl
16 Nov
ORD17:10Chicago O'Hare Intl
11h 40m
1 stop
BHD10:50Belfast City
£751
British Airways
13 Nov
BHD11:50Belfast City
12h 55m
1 stop
ORD18:45Chicago O'Hare Intl
16 Nov
ORD15:21Chicago O'Hare Intl
13h 29m
2 stops
BHD10:50Belfast City
£753

momondo Fare Finder

 
Use the filters below to find and compare flights from Northern Ireland to Chicago that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 17/9

14:25-16:10

2 stops31h 45m

Chicago O'Hare Intl

Thu 24/9

19:15-22:50

2 stops21h 35m

£625

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 2/10

08:20-18:15

2 stops15h 55m

Chicago O'Hare Intl

Fri 9/10

22:25-21:50

2 stops17h 25m

£679

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Thu 17/9

06:10-19:48

2 stops19h 38m

Chicago O'Hare Intl

Thu 24/9

19:25-23:00

3 stops21h 35m

£681

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 9/10

21:10-16:53

2 stops25h 43m

Chicago O'Hare Intl

Mon 12/10

14:15-16:15

3 stops20h 00m

£697

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 2/10

06:05-20:41

3 stops44h 36m

Chicago O'Hare Intl

Fri 9/10

22:25-21:50

2 stops17h 25m

£702

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 5/10

06:40-09:40

2 stops33h 00m

Chicago O'Hare Intl

Mon 12/10

11:25-23:20

2 stops29h 55m

£706

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Mon 5/10

06:10-20:12

3 stops20h 02m

Chicago O'Hare Intl

Mon 12/10

15:45-18:50

3 stops21h 05m

£733
Fastest return journey

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 13/11

08:35-18:45

1 stop16h 10m

Chicago O'Hare Intl

Mon 16/11

17:10-10:50

1 stop11h 40m

£750

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 13/11

08:35-18:45

1 stop16h 10m

Chicago O'Hare Intl

Mon 16/11

17:10-10:50

1 stop11h 40m

£751

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 13/11

08:35-18:45

1 stop16h 10m

Chicago O'Hare Intl

Mon 16/11

17:10-10:50

1 stop11h 40m

£753

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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

Best price found

£276

Fastest flight time

12h 55m

Direct flights

None
The best one-way flight to Chicago from Northern Ireland in the past 72 hours is £276. The best return flight deal from Northern Ireland to Chicago found on momondo in the last 72 hours is £625.
The fastest flight from Northern Ireland to Chicago takes 12h 55m
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.

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

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