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Cheap flights from Northern Ireland to Chicago from £430

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 21/6. 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
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
06:30 - 17:20
BFS
-
ORD
16h 50m2 stops
Multiple Airlines Logo
18:30 - 17:50
ORD
-
BFS
17h 20m2 stops
£455Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Multiple Airlines Logo
06:30 - 07:54
BFS
-
ORD
31h 24m3 stops
Multiple Airlines Logo
18:30 - 22:20
ORD
-
BFS
21h 50m3 stops
£486Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
British Airways Logo
20:00 - 17:00
BHD
-
ORD
27h 00m1 stop
British Airways Logo
17:10 - 10:40
ORD
-
BHD
11h 30m1 stop
£500British Airways
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
06:30 - 07:54
BFS
-
ORD
31h 24m3 stops
Multiple Airlines Logo
16:05 - 20:25
ORD
-
BFS
22h 20m2 stops
£503Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
British Airways Logo
19:35 - 19:49
BHD
-
ORD
30h 14m2 stops
British Airways Logo
21:45 - 16:05
ORD
-
BHD
12h 20m1 stop
£503British Airways
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
17:40 - 19:49
BHD
-
ORD
32h 09m2 stops
British Airways Logo
21:45 - 14:15
ORD
-
BHD
10h 30m1 stop
£506British Airways
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
15:05 - 14:55
BHD
-
ORD
29h 50m2 stops
British Airways Logo
16:30 - 10:30
ORD
-
BHD
36h 00m2 stops
£512British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
11:05 - 18:45
BHD
-
ORD
13h 40m1 stop
British Airways Logo
17:10 - 14:15
ORD
-
BHD
15h 05m1 stop
£516British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
06:45 - 13:50
BHD
-
ORD
13h 05m1 stop
British Airways Logo
17:10 - 10:40
ORD
-
BHD
11h 30m1 stop
£518British Airways
Fri, 6 Feb - Mon, 9 Feb
British Airways Logo
09:05 - 20:15
BHD
-
ORD
17h 10m2 stops
British Airways Logo
16:14 - 14:15
ORD
-
BHD
16h 01m2 stops
£520British Airways
Thu, 29 Jan - Mon, 2 Feb

British Airways flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best British Airways deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
British Airways
29 Jan
BHD20:00Belfast City
27h 00m
1 stop
ORD17:00Chicago O'Hare Intl
2 Feb
ORD16:30Chicago O'Hare Intl
15h 45m
2 stops
BHD14:15Belfast City
£500
Find similar
British Airways
6 Feb
BHD19:35Belfast City
30h 14m
2 stops
ORD19:49Chicago O'Hare Intl
9 Feb
ORD21:45Chicago O'Hare Intl
12h 20m
1 stop
BHD16:05Belfast City
£503
Find similar
British Airways
6 Feb
BHD17:40Belfast City
32h 09m
2 stops
ORD19:49Chicago O'Hare Intl
9 Feb
ORD21:45Chicago O'Hare Intl
10h 30m
1 stop
BHD14:15Belfast City
£506
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Chicago O'Hare Intl Airport 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 8 January 2026.
Use the filters below to find and compare flights from Northern Ireland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 19/2

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

Thu 26/2

18:30-17:50

2 stops17h 20m

£455

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 19/2

06:30-07:54

3 stops31h 24m

Chicago O'Hare Intl

Thu 26/2

18:30-22:20

3 stops21h 50m

£486

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

20:00-17:00

1 stop27h 00m

Chicago O'Hare Intl

Mon 2/2

17:10-10:40

1 stop11h 30m

£500

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 19/2

06:30-07:54

3 stops31h 24m

Chicago O'Hare Intl

Thu 26/2

16:05-20:25

2 stops22h 20m

£503

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 6/2

19:35-19:49

2 stops30h 14m

Chicago O'Hare Intl

Mon 9/2

21:45-16:05

1 stop12h 20m

£503

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 6/2

17:40-19:49

2 stops32h 09m

Chicago O'Hare Intl

Mon 9/2

21:45-14:15

1 stop10h 30m

£506

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

15:05-14:55

2 stops29h 50m

Chicago O'Hare Intl

Mon 2/2

16:30-10:30

2 stops36h 00m

£512

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

11:05-18:45

1 stop13h 40m

Chicago O'Hare Intl

Mon 2/2

17:10-14:15

1 stop15h 05m

£516

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 6/2

06:45-13:50

1 stop13h 05m

Chicago O'Hare Intl

Mon 9/2

17:10-10:40

1 stop11h 30m

£518

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

09:05-20:15

2 stops17h 10m

Chicago O'Hare Intl

Mon 2/2

16:14-14:15

2 stops16h 01m

£520

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Northern Ireland to Chicago O'Hare Intl Airport

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 O'Hare Intl?

British Airways is the most popular carrier operating from Northern Ireland to Chicago O'Hare Intl

Cheap Northern Ireland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago O'Hare Intl Airport

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Northern Ireland to Chicago O'Hare Intl Airport takes 11h 55m
There are no direct flights from Northern Ireland to Chicago O'Hare Intl Airport. There are no popular flight routes from Northern Ireland to Chicago O'Hare Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Chicago O'Hare Intl Airport?

    Prices for flights from Northern Ireland to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Northern Ireland to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Northern Ireland to Chicago O'Hare Intl Airport?

    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 O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Northern Ireland to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Northern Ireland to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £481Free CancellationRating
6.7
7,657 reviews
Search British Airways flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Chicago?

Finding the right flight to Chicago from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Chicago.

I’m not ready to book a flight from Northern Ireland to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Northern Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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