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Cheap flights from Northern Ireland to Chicago from £310

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
06:30 - 18:20BFS  Belfast Intl-ORD Chicago O'Hare Intl
16h 50m2 stops London Gatwick Reykjavik Keflavik Intl
Multiple Airlines Logo
18:30 - 17:05ORD  Chicago O'Hare Intl-BFS Belfast Intl
16h 35m2 stops Reykjavik Keflavik Intl London Gatwick
£613Multiple Airlines
Thu, 29 Oct - Thu, 5 Nov
Multiple Airlines Logo
07:00 - 19:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
18h 15m2 stops Manchester Dublin
Multiple Airlines Logo
16:55 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
23h 00m2 stops Dublin Manchester
£646Multiple Airlines
Tue, 20 Oct - Tue, 27 Oct
Multiple Airlines Logo
06:45 - 19:44BHD  Belfast City-ORD Chicago O'Hare Intl
18h 59m2 stops London Heathrow Boston Logan Intl
Multiple Airlines Logo
21:50 - 14:15ORD  Chicago O'Hare Intl-BHD Belfast City
10h 25m1 stop London Heathrow
£654Multiple Airlines
Fri, 27 Nov - Mon, 30 Nov
Aer Lingus Logo
07:00 - 19:15BHD  Belfast City-ORD Chicago O'Hare Intl
18h 15m2 stops Manchester Dublin
Aer Lingus Logo
16:55 - 13:55ORD  Chicago O'Hare Intl-BHD Belfast City
16h 00m2 stops Dublin Manchester
£675Aer Lingus
Tue, 20 Oct - Tue, 27 Oct
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
£676British Airways
Thu, 5 Nov - Mon, 9 Nov
British Airways Logo
09:15 - 19:30BHD  Belfast City-ORD Chicago O'Hare Intl
16h 15m1 stop London Heathrow
British Airways Logo
17:10 - 13:50ORD  Chicago O'Hare Intl-BHD Belfast City
14h 40m1 stop London Heathrow
£676British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
11:40 - 19:30BHD  Belfast City-ORD Chicago O'Hare Intl
13h 50m1 stop London Heathrow
British Airways Logo
16:50 - 13:50ORD  Chicago O'Hare Intl-BHD Belfast City
15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow
£677British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 18:20BHD  Belfast City-ORD Chicago O'Hare Intl
15h 05m2 stops London Heathrow Dublin
British Airways Logo
16:50 - 13:50ORD  Chicago O'Hare Intl-BHD Belfast City
15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow
£679British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
15:55 - 17:45BFS  Belfast Intl-ORD Chicago O'Hare Intl
30h 50m2 stops Birmingham Kastrup Copenhagen
Multiple Airlines Logo
19:15 - 22:10ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 55m2 stops Kastrup Copenhagen Birmingham
£680Multiple Airlines
Tue, 27 Oct - Tue, 3 Nov
British Airways Logo
09:15 - 18:20BHD  Belfast City-ORD Chicago O'Hare Intl
15h 05m2 stops London Heathrow Dublin
British Airways Logo
16:50 - 13:50ORD  Chicago O'Hare Intl-BHD Belfast City
15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow
£680British Airways
Wed, 4 Nov - Sun, 8 Nov

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Aer Lingus flights from Northern Ireland to Chicago

Our best Aer Lingus deals on Northern Ireland to Chicago flight tickets
Aer Lingus
20 Oct
BHD07:00Belfast City
18h 15m
2 stops
ORD19:15Chicago O'Hare Intl
27 Oct
ORD16:55Chicago O'Hare Intl
16h 00m
2 stops
BHD13:55Belfast City
£675
Aer Lingus
27 Nov
BHD08:35Belfast City
15h 45m
2 stops
ORD18:20Chicago O'Hare Intl
30 Nov
ORD20:05Chicago O'Hare Intl
14h 35m
2 stops
BHD16:40Belfast City
£820

KLM flights from Northern Ireland to Chicago

Our best KLM deals on Northern Ireland to Chicago flight tickets
KLM
20 Oct
BHD17:30Belfast City
27h 00m
1 stop
ORD14:30Chicago O'Hare Intl
27 Oct
ORD13:55Chicago O'Hare Intl
14h 15m
2 stops
BHD09:10Belfast City
£712
KLM
20 Oct
BHD09:50Belfast City
17h 41m
2 stops
ORD21:31Chicago O'Hare Intl
27 Oct
ORD13:55Chicago O'Hare Intl
14h 15m
2 stops
BHD09:10Belfast City
£716

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 29/10

06:30-18:20

2 stops16h 50m

Chicago O'Hare Intl

Thu 5/11

18:30-17:05

2 stops16h 35m

£613

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 20/10

07:00-19:15

2 stops18h 15m

Chicago O'Hare Intl

Tue 27/10

16:55-20:55

2 stops23h 00m

£646

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 27/11

06:45-19:44

2 stops18h 59m

Chicago O'Hare Intl

Mon 30/11

21:50-14:15

1 stop10h 25m

£654

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Tue 20/10

07:00-19:15

2 stops18h 15m

Chicago O'Hare Intl

Tue 27/10

16:55-13:55

2 stops16h 00m

£675

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

£676

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

09:15-19:30

1 stop16h 15m

Chicago O'Hare Intl

Sun 8/11

17:10-13:50

1 stop14h 40m

£676
Fastest return journey

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

11:40-19:30

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£677

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

09:15-18:20

2 stops15h 05m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£679

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 27/10

15:55-17:45

2 stops30h 50m

Chicago O'Hare Intl

Tue 3/11

19:15-22:10

2 stops20h 55m

£680

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

09:15-18:20

2 stops15h 05m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£680

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

Best price found

£310

Fastest flight time

11h 55m

Direct flights

None
The best one-way flight to Chicago from Northern Ireland in the past 72 hours is £310. The best return flight deal from Northern Ireland to Chicago found on momondo in the last 72 hours is £613.
The fastest flight from Northern Ireland to Chicago takes 11h 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.

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