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Cheap flights from Northern Ireland to Chicago from £324

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
10:45 - 16:45BFS  Belfast Intl-ORD Chicago O'Hare Intl
36h 00m2 stops Birmingham Kastrup Copenhagen
Multiple Airlines Logo
19:15 - 22:20ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 05m2 stops Kastrup Copenhagen Birmingham
£449Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
07:30 - 17:20BHD  Belfast City-ORD Chicago O'Hare Intl
15h 50m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
18:30 - 20:30ORD  Chicago O'Hare Intl-BHD Belfast City
20h 00m2 stops Reykjavik Keflavik Intl London Gatwick
£659Multiple Airlines
Sun, 1 Nov - Sun, 8 Nov
Multiple Airlines Logo
14:20 - 17:20BHD  Belfast City-ORD Chicago O'Hare Intl
33h 00m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
06:30 - 12:35ORD  Chicago O'Hare Intl-BHD Belfast City
24h 05m3 stops Denver Intl Reykjavik Keflavik Intl Glasgow Intl
£664Multiple Airlines
Tue, 10 Nov - Sat, 14 Nov
Iberia Logo
06:30 - 14:45BHD  Belfast City-ORD Chicago O'Hare Intl
13h 15m1 stop London Heathrow
Iberia Logo
17:10 - 10:45ORD  Chicago O'Hare Intl-BHD Belfast City
11h 35m1 stop London Heathrow
£672Iberia
Sun, 1 Nov - Sun, 8 Nov
British Airways Logo
11:05 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
13h 40m1 stop London Heathrow
British Airways Logo
16:40 - 16:05ORD  Chicago O'Hare Intl-BHD Belfast City
17h 25m2 stops Charlotte Douglas London Heathrow
£675British Airways
Thu, 5 Nov - Mon, 9 Nov
Iberia Logo
06:30 - 23:30BHD  Belfast City-ORD Chicago O'Hare Intl
22h 00m2 stops London Heathrow New York John F Kennedy Intl
Iberia Logo
18:35 - 13:50ORD  Chicago O'Hare Intl-BHD Belfast City
13h 15m1 stop London Heathrow
£676Iberia
Sun, 1 Nov - Sun, 8 Nov
British Airways Logo
12:20 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
12h 25m1 stop London Heathrow
British Airways Logo
18:49 - 18:50ORD  Chicago O'Hare Intl-BHD Belfast City
18h 01m2 stops Charlotte Douglas London Heathrow
£676British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
14:20 - 17:20BHD  Belfast City-ORD Chicago O'Hare Intl
33h 00m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
18:30 - 20:35ORD  Chicago O'Hare Intl-BHD Belfast City
20h 05m2 stops Reykjavik Keflavik Intl London Heathrow
£678Multiple Airlines
Tue, 10 Nov - Sat, 14 Nov
British Airways Logo
11:05 - 18:45BHD  Belfast City-ORD Chicago O'Hare Intl
13h 40m1 stop London Heathrow
British Airways Logo
21:50 - 17:25ORD  Chicago O'Hare Intl-BHD Belfast City
13h 35m1 stop London Heathrow
£679British Airways
Thu, 5 Nov - Mon, 9 Nov
British Airways Logo
11:05 - 22:32BHD  Belfast City-ORD Chicago O'Hare Intl
17h 27m2 stops London Heathrow Charlotte Douglas
British Airways Logo
16:40 - 14:15ORD  Chicago O'Hare Intl-BHD Belfast City
15h 35m2 stops Charlotte Douglas London Heathrow
£679British Airways
Thu, 5 Nov - Mon, 9 Nov

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Iberia flights from Northern Ireland to Chicago

Our best Iberia deals on Northern Ireland to Chicago flight tickets
Iberia
1 Nov
BHD06:30Belfast City
13h 15m
1 stop
ORD14:45Chicago O'Hare Intl
8 Nov
ORD17:10Chicago O'Hare Intl
11h 35m
1 stop
BHD10:45Belfast City
£672
Iberia
1 Nov
BHD06:30Belfast City
22h 00m
2 stops
ORD23:30Chicago O'Hare Intl
8 Nov
ORD18:35Chicago O'Hare Intl
13h 15m
1 stop
BHD13:50Belfast City
£676

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
5 Nov
BHD11:05Belfast City
13h 40m
1 stop
ORD18:45Chicago O'Hare Intl
9 Nov
ORD16:40Chicago O'Hare Intl
17h 25m
2 stops
BHD16:05Belfast City
£675
British Airways
4 Nov
BHD12:20Belfast City
12h 25m
1 stop
ORD18:45Chicago O'Hare Intl
8 Nov
ORD18:49Chicago O'Hare Intl
18h 01m
2 stops
BHD18:50Belfast City
£676
British Airways
5 Nov
BHD11:05Belfast City
13h 40m
1 stop
ORD18:45Chicago O'Hare Intl
9 Nov
ORD21:50Chicago O'Hare Intl
13h 35m
1 stop
BHD17:25Belfast City
£679

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

Mon 2/11

10:45-16:45

2 stops36h 00m

Chicago O'Hare Intl

Mon 9/11

19:15-22:20

2 stops21h 05m

£449

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sun 1/11

07:30-17:20

2 stops15h 50m

Chicago O'Hare Intl

Sun 8/11

18:30-20:30

2 stops20h 00m

£659

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Tue 10/11

14:20-17:20

2 stops33h 00m

Chicago O'Hare Intl

Sat 14/11

06:30-12:35

3 stops24h 05m

£664
Fastest return journey

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sun 1/11

06:30-14:45

1 stop13h 15m

Chicago O'Hare Intl

Sun 8/11

17:10-10:45

1 stop11h 35m

£672

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 5/11

11:05-18:45

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/11

16:40-16:05

2 stops17h 25m

£675

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sun 1/11

06:30-23:30

2 stops22h 00m

Chicago O'Hare Intl

Sun 8/11

18:35-13:50

1 stop13h 15m

£676

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

12:20-18:45

1 stop12h 25m

Chicago O'Hare Intl

Sun 8/11

18:49-18:50

2 stops18h 01m

£676

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Tue 10/11

14:20-17:20

2 stops33h 00m

Chicago O'Hare Intl

Sat 14/11

18:30-20:35

2 stops20h 05m

£678

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 5/11

11:05-18:45

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/11

21:50-17:25

1 stop13h 35m

£679

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 5/11

11:05-22:32

2 stops17h 27m

Chicago O'Hare Intl

Mon 9/11

16:40-14:15

2 stops15h 35m

£679

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

£324

Fastest flight time

14h 45m

Direct flights

None
The best one-way flight to Chicago from Northern Ireland in the past 72 hours is £324. The best return flight deal from Northern Ireland to Chicago found on momondo in the last 72 hours is £449.
The fastest flight from Northern Ireland to Chicago takes 14h 45m
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

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