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Cheap flights from Northern Ireland to Chicago from £386

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
06:05 - 22:06BFS  Belfast Intl-ORD Chicago O'Hare Intl
22h 01m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
19:30 - 22:00ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
£640Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
Multiple Airlines Logo
06:15 - 22:06BFS  Belfast Intl-ORD Chicago O'Hare Intl
21h 51m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
19:30 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 25m2 stops Reykjavik Keflavik Intl Glasgow Intl
£657Multiple Airlines
Tue, 20 Oct - Tue, 27 Oct
Multiple Airlines Logo
06:05 - 22:06BFS  Belfast Intl-ORD Chicago O'Hare Intl
22h 01m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
19:30 - 22:00ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
£657Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
Multiple Airlines Logo
06:05 - 22:06BFS  Belfast Intl-ORD Chicago O'Hare Intl
22h 01m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
19:30 - 22:00ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
£660Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
Multiple Airlines Logo
06:05 - 22:06BFS  Belfast Intl-ORD Chicago O'Hare Intl
22h 01m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
19:30 - 22:00ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
£661Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
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
£674British Airways
Wed, 4 Nov - Sun, 8 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
£675British Airways
Wed, 4 Nov - Sun, 8 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
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
£677British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
08:50 - 18:20BHD  Belfast City-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Dublin
British Airways Logo
14:31 - 10:50ORD  Chicago O'Hare Intl-BHD Belfast City
14h 19m2 stops New York John F Kennedy Intl London Heathrow
£678British Airways
Thu, 5 Nov - Mon, 9 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
4 Nov
BHD09:15Belfast City
16h 15m
1 stop
ORD19:30Chicago O'Hare Intl
8 Nov
ORD17:10Chicago O'Hare Intl
14h 40m
1 stop
BHD13:50Belfast City
£674
British Airways
4 Nov
BHD09:15Belfast City
16h 15m
1 stop
ORD19:30Chicago O'Hare Intl
8 Nov
ORD17:10Chicago O'Hare Intl
14h 40m
1 stop
BHD13:50Belfast City
£675
British Airways
4 Nov
BHD09:15Belfast City
12h 15m
1 stop
ORD15:30Chicago O'Hare Intl
8 Nov
ORD11:40Chicago O'Hare Intl
17h 05m
2 stops
BHD10:45Belfast City
£676

momondo Fare Finder

 
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 Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 23/10

06:05-22:06

3 stops22h 01m

Chicago O'Hare Intl

Fri 30/10

19:30-22:00

3 stops21h 30m

£640

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Tue 20/10

06:15-22:06

2 stops21h 51m

Chicago O'Hare Intl

Tue 27/10

19:30-20:55

2 stops20h 25m

£657

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 23/10

06:05-22:06

3 stops22h 01m

Chicago O'Hare Intl

Fri 30/10

19:30-22:00

3 stops21h 30m

£657

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 23/10

06:05-22:06

2 stops22h 01m

Chicago O'Hare Intl

Fri 30/10

19:30-22:00

3 stops21h 30m

£660

BelfastChicago

BFS Belfast Intl - ORD Chicago O'Hare Intl

BFSORD

Belfast Intl

Fri 23/10

06:05-22:06

2 stops22h 01m

Chicago O'Hare Intl

Fri 30/10

19:30-22:00

3 stops21h 30m

£661

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

£674

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

£675

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

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

£677
Fastest return journey

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 5/11

08:50-18:20

2 stops15h 30m

Chicago O'Hare Intl

Mon 9/11

14:31-10:50

2 stops14h 19m

£678

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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?

KLM 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

£386

Fastest flight time

16h 15m

Direct flights

None
The best one-way flight to Chicago from Northern Ireland in the past 72 hours is £386. The best return flight deal from Northern Ireland to Chicago found on momondo in the last 72 hours is £640.
The fastest flight from Northern Ireland to Chicago takes 16h 15m
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