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Cheap flights from Northern Ireland to Chicago from £315

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 26/8. 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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:10 - 18:31
BFS
-
ORD
39h 21m
3 stops
Multiple Airlines Logo
19:25 - 15:35
ORD
-
BFS
14h 10m
2 stops
£602Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:05 - 00:22
BFS
-
ORD
33h 17m
3 stops
Multiple Airlines Logo
19:25 - 21:55
ORD
-
BFS
20h 30m
3 stops
£614Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
22:00 - 15:55
BFS
-
ORD
23h 55m
2 stops
Multiple Airlines Logo
19:25 - 21:30
ORD
-
BFS
20h 05m
2 stops
£615Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
21:05 - 00:22
BFS
-
ORD
33h 17m
3 stops
Multiple Airlines Logo
19:25 - 21:30
ORD
-
BFS
20h 05m
2 stops
£616Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
British Airways Logo
10:40 - 18:00
BHD
-
ORD
12h 20m
1 stop
British Airways Logo
21:35 - 14:15
ORD
-
BHD
11h 40m
1 stop
£651British Airways
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
06:35 - 16:25
BHD
-
ORD
14h 50m
1 stop
British Airways Logo
15:16 - 14:15
ORD
-
BHD
17h 59m
2 stops
£652British Airways
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
06:45 - 18:00
BHD
-
ORD
16h 15m
1 stop
British Airways Logo
13:39 - 11:30
ORD
-
BHD
16h 51m
2 stops
£654British Airways
Fri, 13 Mar - Tue, 17 Mar
Delta Logo
06:30 - 15:20
BHD
-
ORD
13h 50m
1 stop
Delta Logo
10:40 - 16:50
ORD
-
BHD
25h 10m
2 stops
£670Delta
Fri, 13 Mar - Tue, 17 Mar
American Airlines Logo
06:45 - 16:25
BHD
-
ORD
14h 40m
1 stop
American Airlines Logo
18:10 - 11:30
ORD
-
BHD
12h 20m
1 stop
£680American Airlines
Fri, 13 Mar - Tue, 17 Mar
KLM Logo
17:30 - 15:10
BHD
-
ORD
51h 40m
2 stops
KLM Logo
19:14 - 09:20
ORD
-
BHD
32h 06m
2 stops
£803KLM
Sun, 29 Mar - Sun, 5 Apr

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

Our best KLM deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
KLM
29 Mar
BHD17:30Belfast City
51h 40m
2 stops
ORD15:10Chicago O'Hare Intl
5 Apr
ORD19:14Chicago O'Hare Intl
32h 06m
2 stops
BHD09:20Belfast City
£803
KLM
29 Mar
BHD17:30Belfast City
27h 00m
1 stop
ORD14:30Chicago O'Hare Intl
5 Apr
ORD19:14Chicago O'Hare Intl
32h 06m
2 stops
BHD09:20Belfast City
£820
KLM
29 Mar
BHD17:30Belfast City
27h 00m
1 stop
ORD14:30Chicago O'Hare Intl
5 Apr
ORD16:20Chicago O'Hare Intl
18h 35m
1 stop
BHD16:55Belfast City
£842

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
19 Mar
BHD10:40Belfast City
12h 20m
1 stop
ORD18:00Chicago O'Hare Intl
23 Mar
ORD21:35Chicago O'Hare Intl
11h 40m
1 stop
BHD14:15Belfast City
£651
British Airways
19 Mar
BHD06:35Belfast City
14h 50m
1 stop
ORD16:25Chicago O'Hare Intl
23 Mar
ORD15:16Chicago O'Hare Intl
17h 59m
2 stops
BHD14:15Belfast City
£652
British Airways
13 Mar
BHD06:45Belfast City
16h 15m
1 stop
ORD18:00Chicago O'Hare Intl
17 Mar
ORD13:39Chicago O'Hare Intl
16h 51m
2 stops
BHD11:30Belfast City
£654

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 1 March 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

Mon 13/4

09:10-18:31

3 stops39h 21m

Chicago O'Hare Intl

Mon 20/4

19:25-15:35

2 stops14h 10m

£602

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 12/4

21:05-00:22

3 stops33h 17m

Chicago O'Hare Intl

Sun 19/4

19:25-21:55

3 stops20h 30m

£614

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 12/4

22:00-15:55

2 stops23h 55m

Chicago O'Hare Intl

Sun 19/4

19:25-21:30

2 stops20h 05m

£615

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 12/4

21:05-00:22

3 stops33h 17m

Chicago O'Hare Intl

Sun 19/4

19:25-21:30

2 stops20h 05m

£616

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

10:40-18:00

1 stop12h 20m

Chicago O'Hare Intl

Mon 23/3

21:35-14:15

1 stop11h 40m

£651

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

06:35-16:25

1 stop14h 50m

Chicago O'Hare Intl

Mon 23/3

15:16-14:15

2 stops17h 59m

£652

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 13/3

06:45-18:00

1 stop16h 15m

Chicago O'Hare Intl

Tue 17/3

13:39-11:30

2 stops16h 51m

£654

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 13/3

06:30-15:20

1 stop13h 50m

Chicago O'Hare Intl

Tue 17/3

10:40-16:50

2 stops25h 10m

£670

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 13/3

06:45-16:25

1 stop14h 40m

Chicago O'Hare Intl

Tue 17/3

18:10-11:30

1 stop12h 20m

£680

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 29/3

17:30-15:10

2 stops51h 40m

Chicago O'Hare Intl

Sun 5/4

19:14-09:20

2 stops32h 06m

£803

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 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

12h 20m

Direct flights

None
The fastest flight from Northern Ireland to Chicago O'Hare Intl Airport takes 12h 20m
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 £497Free CancellationRating
6.7
7,772 reviews
Search British Airways flights

Travelling to a place near Chicago?

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