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Cheap flights from Northern Ireland to Chicago from £325

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 24/9. 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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Cheap return flights

KLM Logo
06:30 - 14:40BHD-ORD
14h 10m1 stop
KLM Logo
16:15 - 16:55ORD-BHD
18h 40m1 stop
£495KLM
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Wed, 24 Sep - Tue, 21 Oct
Delta Logo
06:30 - 17:45BHD-ORD
17h 15m2 stops
Delta Logo
17:40 - 21:15ORD-BHD
21h 35m2 stops
£499Delta
Find Deal
Wed, 24 Sep - Tue, 21 Oct
Logo
07:25 - 12:35BFS-ORD
35h 10m3 stops
Logo
06:00 - 15:50ORD-BFS
27h 50m2 stops
£515
Find Deal
Wed, 1 Oct - Mon, 6 Oct
American Airlines Logo
06:40 - 17:00BHD-ORD
16h 20m1 stop
American Airlines Logo
20:40 - 17:30ORD-BHD
14h 50m1 stop
£523American Airlines
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Mon, 8 Sep - Mon, 15 Sep
Delta Logo
06:30 - 14:40BHD-ORD
14h 10m1 stop
Delta Logo
13:25 - 16:55ORD-BHD
21h 30m2 stops
£526Delta
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Wed, 24 Sep - Tue, 21 Oct
Delta Logo
06:30 - 14:40BHD-ORD
14h 10m1 stop
Delta Logo
13:00 - 16:55ORD-BHD
21h 55m2 stops
£527Delta
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Delta Logo
06:30 - 17:45BHD-ORD
17h 15m2 stops
Delta Logo
15:50 - 21:15ORD-BHD
23h 25m2 stops
£530Delta
Find Deal
Wed, 24 Sep - Tue, 21 Oct
Logo
17:20 - 12:35BFS-ORD
25h 15m2 stops
Logo
06:00 - 15:50ORD-BFS
27h 50m2 stops
£531
Find Deal
Wed, 1 Oct - Mon, 6 Oct
Delta Logo
06:30 - 21:56BHD-ORD
21h 26m2 stops
Delta Logo
13:00 - 16:55ORD-BHD
21h 55m2 stops
£531Delta
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Mon, 8 Sep - Mon, 15 Sep
Iberia Logo
10:00 - 20:43BHD-ORD
16h 43m2 stops
Iberia Logo
13:43 - 10:35ORD-BHD
14h 52m2 stops
£702Iberia
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Wed, 24 Sep - Tue, 21 Oct

Delta flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best Delta deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
Delta
24 Sept
BHD06:30Belfast City
17h 15m
2 stops
ORD17:45Chicago O'Hare Intl
21 Oct
ORD17:40Chicago O'Hare Intl
21h 35m
2 stops
BHD21:15Belfast City
£499
Find similar
Delta
24 Sept
BHD06:30Belfast City
14h 10m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD13:25Chicago O'Hare Intl
21h 30m
2 stops
BHD16:55Belfast City
£526
Find similar
Delta
8 Sept
BHD06:30Belfast City
14h 10m
1 stop
ORD14:40Chicago O'Hare Intl
15 Sept
ORD13:00Chicago O'Hare Intl
21h 55m
2 stops
BHD16:55Belfast City
£527
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 28 August 2025.
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

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Tue 21/10

16:15-16:55

1 stop18h 40m

£495

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:30-17:45

2 stops17h 15m

Chicago O'Hare Intl

Tue 21/10

17:40-21:15

2 stops21h 35m

£499

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/10

07:25-12:35

3 stops35h 10m

Chicago O'Hare Intl

Mon 6/10

06:00-15:50

2 stops27h 50m

£515

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/9

06:40-17:00

1 stop16h 20m

Chicago O'Hare Intl

Mon 15/9

20:40-17:30

1 stop14h 50m

£523

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Tue 21/10

13:25-16:55

2 stops21h 30m

£526

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Mon 15/9

13:00-16:55

2 stops21h 55m

£527

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:30-17:45

2 stops17h 15m

Chicago O'Hare Intl

Tue 21/10

15:50-21:15

2 stops23h 25m

£530

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/10

17:20-12:35

2 stops25h 15m

Chicago O'Hare Intl

Mon 6/10

06:00-15:50

2 stops27h 50m

£531

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/9

06:30-21:56

2 stops21h 26m

Chicago O'Hare Intl

Mon 15/9

13:00-16:55

2 stops21h 55m

£531

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 24/9

10:00-20:43

2 stops16h 43m

Chicago O'Hare Intl

Tue 21/10

13:43-10:35

2 stops14h 52m

£702

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the morning when flights can be purchased for as low as £616. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £625.

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

Direct flights

None
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.
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  • 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 £482Free CancellationRating
6.7
7,310 reviews
Search British Airways flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Schaumburg
Lincolnshire
Glenview
Lake Geneva
Oak Brook
Joliet
Oak Park
Elgin
Rosemont

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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