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Cheap flights from Northern Ireland to Chicago from £405

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 9/8. 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.
British Airways Logo
06:30 - 18:15
BHD
-
ORD
17h 45m
1 stop
British Airways Logo
22:35 - 17:30
ORD
-
BHD
12h 55m
1 stop
£652British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
06:30 - 15:55
BHD
-
ORD
15h 25m
1 stop
British Airways Logo
21:15 - 15:30
ORD
-
BHD
12h 15m
1 stop
£653British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
06:30 - 15:55
BHD
-
ORD
15h 25m
1 stop
British Airways Logo
17:19 - 12:55
ORD
-
BHD
13h 36m
2 stops
£654British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
09:05 - 18:25
BHD
-
ORD
15h 20m
2 stops
British Airways Logo
16:06 - 13:55
ORD
-
BHD
15h 49m
2 stops
£655British Airways
Thu, 5 Nov - Sun, 8 Nov
British Airways Logo
06:30 - 16:46
BHD
-
ORD
16h 16m
2 stops
British Airways Logo
18:57 - 15:30
ORD
-
BHD
14h 33m
2 stops
£656British Airways
Thu, 17 Sep - Mon, 21 Sep
British Airways Logo
09:05 - 18:25
BHD
-
ORD
15h 20m
2 stops
British Airways Logo
16:05 - 13:55
ORD
-
BHD
15h 50m
2 stops
£658British Airways
Thu, 5 Nov - Sun, 8 Nov
Multiple Airlines Logo
06:40 - 10:16
BFS
-
ORD
33h 36m
3 stops
Multiple Airlines Logo
08:45 - 19:50
ORD
-
BFS
29h 05m
3 stops
£673Multiple Airlines
Thu, 2 Jul - Tue, 21 Jul
Multiple Airlines Logo
06:40 - 22:05
BFS
-
ORD
21h 25m
2 stops
Multiple Airlines Logo
08:45 - 19:50
ORD
-
BFS
29h 05m
3 stops
£677Multiple Airlines
Thu, 2 Jul - Tue, 21 Jul
British Airways Logo
07:00 - 16:46
BHD
-
ORD
15h 46m
2 stops
British Airways Logo
17:19 - 15:30
ORD
-
BHD
16h 11m
2 stops
£677British Airways
Thu, 17 Sep - Mon, 21 Sep
Multiple Airlines Logo
06:40 - 16:57
BFS
-
ORD
16h 17m
2 stops
Multiple Airlines Logo
15:50 - 19:50
ORD
-
BFS
22h 00m
2 stops
£689Multiple Airlines
Thu, 2 Jul - Tue, 21 Jul

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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
17 Sept
BHD06:30Belfast City
17h 45m
1 stop
ORD18:15Chicago O'Hare Intl
21 Sept
ORD22:35Chicago O'Hare Intl
12h 55m
1 stop
BHD17:30Belfast City
£652
British Airways
17 Sept
BHD06:30Belfast City
15h 25m
1 stop
ORD15:55Chicago O'Hare Intl
21 Sept
ORD21:15Chicago O'Hare Intl
12h 15m
1 stop
BHD15:30Belfast City
£653
British Airways
17 Sept
BHD06:30Belfast City
15h 25m
1 stop
ORD15:55Chicago O'Hare Intl
21 Sept
ORD17:19Chicago O'Hare Intl
13h 36m
2 stops
BHD12:55Belfast City
£654

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 13 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

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-18:15

1 stop17h 45m

Chicago O'Hare Intl

Mon 21/9

22:35-17:30

1 stop12h 55m

£652
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-15:55

1 stop15h 25m

Chicago O'Hare Intl

Mon 21/9

21:15-15:30

1 stop12h 15m

£653

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-15:55

1 stop15h 25m

Chicago O'Hare Intl

Mon 21/9

17:19-12:55

2 stops13h 36m

£654

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/11

09:05-18:25

2 stops15h 20m

Chicago O'Hare Intl

Sun 8/11

16:06-13:55

2 stops15h 49m

£655

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-16:46

2 stops16h 16m

Chicago O'Hare Intl

Mon 21/9

18:57-15:30

2 stops14h 33m

£656

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/11

09:05-18:25

2 stops15h 20m

Chicago O'Hare Intl

Sun 8/11

16:05-13:55

2 stops15h 50m

£658

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

06:40-10:16

3 stops33h 36m

Chicago O'Hare Intl

Tue 21/7

08:45-19:50

3 stops29h 05m

£673

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

06:40-22:05

2 stops21h 25m

Chicago O'Hare Intl

Tue 21/7

08:45-19:50

3 stops29h 05m

£677

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 17/9

07:00-16:46

2 stops15h 46m

Chicago O'Hare Intl

Mon 21/9

17:19-15:30

2 stops16h 11m

£677

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

06:40-16:57

2 stops16h 17m

Chicago O'Hare Intl

Tue 21/7

15:50-19:50

2 stops22h 00m

£689

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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?

Aer Lingus 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

14h 10m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 14h 10m
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 many operators does momondo search for flights from Northern Ireland to Chicago?

  • 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.

Best airlines flying from Northern Ireland to Chicago

Compare and see reviews for airlines that fly from Northern Ireland to Chicago with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £500Free CancellationRating
6.7
8,047 reviews
Search British Airways flights

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