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Cheap flights from Northern Ireland to Chicago from £478

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 29/6. 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
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Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:20 - 20:05
BFS
-
ORD
17h 45m
3 stops
Multiple Airlines Logo
09:50 - 21:35
ORD
-
BFS
29h 45m
2 stops
£639Multiple Airlines
Thu, 9 Jul - Mon, 13 Jul
Multiple Airlines Logo
21:20 - 12:40
BFS
-
ORD
45h 20m
3 stops
Multiple Airlines Logo
17:35 - 14:30
ORD
-
BFS
14h 55m
2 stops
£645Multiple Airlines
Tue, 14 Jul - Wed, 22 Jul
British Airways Logo
11:30 - 18:45
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
14:03 - 10:30
ORD
-
BHD
14h 27m
2 stops
£655British Airways
Mon, 9 Nov - Fri, 13 Nov
British Airways Logo
11:30 - 18:45
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
14:03 - 10:30
ORD
-
BHD
14h 27m
2 stops
£656British Airways
Mon, 9 Nov - Fri, 13 Nov
British Airways Logo
11:30 - 18:45
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
14:03 - 10:30
ORD
-
BHD
14h 27m
2 stops
£657British Airways
Mon, 9 Nov - Fri, 13 Nov
Multiple Airlines Logo
08:20 - 22:05
BFS
-
ORD
19h 45m
2 stops
Multiple Airlines Logo
09:50 - 21:35
ORD
-
BFS
29h 45m
2 stops
£657Multiple Airlines
Thu, 9 Jul - Mon, 13 Jul
British Airways Logo
06:35 - 18:25
BHD
-
ORD
17h 50m
2 stops
British Airways Logo
16:40 - 14:15
ORD
-
BHD
15h 35m
2 stops
£659British Airways
Mon, 9 Nov - Fri, 13 Nov
British Airways Logo
06:35 - 18:25
BHD
-
ORD
17h 50m
2 stops
British Airways Logo
14:03 - 10:30
ORD
-
BHD
14h 27m
2 stops
£660British Airways
Mon, 9 Nov - Fri, 13 Nov
British Airways Logo
11:30 - 18:45
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
14:03 - 10:30
ORD
-
BHD
14h 27m
2 stops
£663British Airways
Mon, 9 Nov - Fri, 13 Nov
British Airways Logo
06:35 - 18:25
BHD
-
ORD
17h 50m
2 stops
British Airways Logo
16:40 - 14:15
ORD
-
BHD
15h 35m
2 stops
£666British Airways
Mon, 9 Nov - Fri, 13 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
9 Nov
BHD11:30Belfast City
13h 15m
1 stop
ORD18:45Chicago O'Hare Intl
13 Nov
ORD14:03Chicago O'Hare Intl
14h 27m
2 stops
BHD10:30Belfast City
£655
British Airways
9 Nov
BHD11:30Belfast City
13h 15m
1 stop
ORD18:45Chicago O'Hare Intl
13 Nov
ORD14:03Chicago O'Hare Intl
14h 27m
2 stops
BHD10:30Belfast City
£656
British Airways
9 Nov
BHD11:30Belfast City
13h 15m
1 stop
ORD18:45Chicago O'Hare Intl
13 Nov
ORD14:03Chicago O'Hare Intl
14h 27m
2 stops
BHD10:30Belfast City
£657

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets
American Airlines
9 Jul
BHD06:30Belfast City
14h 30m
1 stop
ORD15:00Chicago O'Hare Intl
13 Jul
ORD22:30Chicago O'Hare Intl
14h 15m
1 stop
BHD18:45Belfast City
£722
American Airlines
14 Jul
BHD06:30Belfast City
12h 00m
1 stop
ORD12:30Chicago O'Hare Intl
22 Jul
ORD22:30Chicago O'Hare Intl
14h 15m
1 stop
BHD18:45Belfast City
£742
American Airlines
13 Jul
BHD06:30Belfast City
12h 00m
1 stop
ORD12:30Chicago O'Hare Intl
19 Jul
ORD21:15Chicago O'Hare Intl
11h 20m
1 stop
BHD14:35Belfast City
£743

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 23 June 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

Thu 9/7

08:20-20:05

3 stops17h 45m

Chicago O'Hare Intl

Mon 13/7

09:50-21:35

2 stops29h 45m

£639

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 14/7

21:20-12:40

3 stops45h 20m

Chicago O'Hare Intl

Wed 22/7

17:35-14:30

2 stops14h 55m

£645
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£655

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£656

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£657

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 9/7

08:20-22:05

2 stops19h 45m

Chicago O'Hare Intl

Mon 13/7

09:50-21:35

2 stops29h 45m

£657

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

06:35-18:25

2 stops17h 50m

Chicago O'Hare Intl

Fri 13/11

16:40-14:15

2 stops15h 35m

£659

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

06:35-18:25

2 stops17h 50m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£660

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£663

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

06:35-18:25

2 stops17h 50m

Chicago O'Hare Intl

Fri 13/11

16:40-14:15

2 stops15h 35m

£666

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 12h 00m
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

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport