Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Northern Ireland to Chicago from £321

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 17/6. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:15 - 13:20
BFS
-
ORD
34h 05m
2 stops
Multiple Airlines Logo
19:25 - 23:20
ORD
-
BFS
21h 55m
3 stops
£556Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:45 - 13:20
BHD
-
ORD
34h 35m
2 stops
Multiple Airlines Logo
16:50 - 16:50
ORD
-
BHD
18h 00m
2 stops
£569Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:45 - 13:20
BHD
-
ORD
34h 35m
2 stops
Multiple Airlines Logo
19:25 - 09:20
ORD
-
BHD
31h 55m
3 stops
£584Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
American Airlines Logo
09:40 - 17:35
BHD
-
ORD
13h 55m
1 stop
American Airlines Logo
19:05 - 12:55
ORD
-
BHD
11h 50m
1 stop
£591American Airlines
Mon, 13 Apr - Mon, 20 Apr
KLM Logo
17:30 - 14:15
BHD
-
ORD
26h 45m
1 stop
KLM Logo
19:09 - 16:55
ORD
-
BHD
15h 46m
2 stops
£609KLM
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:15 - 15:25
BFS
-
ORD
37h 10m
3 stops
Multiple Airlines Logo
19:25 - 15:35
ORD
-
BFS
14h 10m
2 stops
£621Multiple Airlines
Thu, 5 Mar - Mon, 30 Mar
Finnair Logo
11:30 - 10:56
BHD
-
ORD
28h 26m
2 stops
Finnair Logo
20:40 - 17:30
ORD
-
BHD
14h 50m
1 stop
£634Finnair
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
20:55 - 14:00
BFS
-
ORD
23h 05m
2 stops
Multiple Airlines Logo
19:25 - 15:35
ORD
-
BFS
14h 10m
2 stops
£637Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
British Airways Logo
06:35 - 16:25
BHD
-
ORD
14h 50m
1 stop
British Airways Logo
11:40 - 10:40
ORD
-
BHD
18h 00m
2 stops
£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
£653British Airways
Thu, 19 Mar - Mon, 23 Mar

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
19 Mar
BHD06:35Belfast City
14h 50m
1 stop
ORD16:25Chicago O'Hare Intl
23 Mar
ORD19:40Chicago O'Hare Intl
13h 35m
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
£653
British Airways
19 Mar
BHD06:35Belfast City
18h 05m
2 stops
ORD19:40Chicago O'Hare Intl
23 Mar
ORD13:39Chicago O'Hare Intl
16h 01m
2 stops
BHD10:40Belfast City
£656

Finnair flights from Northern Ireland to Chicago

Our best Finnair deals on Northern Ireland to Chicago flight tickets
Finnair
23 Mar
BHD11:30Belfast City
28h 26m
2 stops
ORD10:56Chicago O'Hare Intl
30 Mar
ORD20:40Chicago O'Hare Intl
14h 50m
1 stop
BHD17:30Belfast City
£634
Finnair
23 Mar
BHD11:30Belfast City
33h 55m
1 stop
ORD16:25Chicago O'Hare Intl
30 Mar
ORD20:40Chicago O'Hare Intl
14h 50m
1 stop
BHD17:30Belfast City
£674
Finnair
5 Mar
BHD09:05Belfast City
12h 20m
1 stop
ORD15:25Chicago O'Hare Intl
30 Mar
ORD22:25Chicago O'Hare Intl
14h 20m
1 stop
BHD18:45Belfast City
£778

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 February 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

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/4

09:15-13:20

2 stops34h 05m

Chicago O'Hare Intl

Mon 20/4

19:25-23:20

3 stops21h 55m

£556

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

08:45-13:20

2 stops34h 35m

Chicago O'Hare Intl

Mon 20/4

16:50-16:50

2 stops18h 00m

£569

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

08:45-13:20

2 stops34h 35m

Chicago O'Hare Intl

Mon 20/4

19:25-09:20

3 stops31h 55m

£584

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

09:40-17:35

1 stop13h 55m

Chicago O'Hare Intl

Mon 20/4

19:05-12:55

1 stop11h 50m

£591

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 20/4

19:09-16:55

2 stops15h 46m

£609

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 5/3

08:15-15:25

3 stops37h 10m

Chicago O'Hare Intl

Mon 30/3

19:25-15:35

2 stops14h 10m

£621

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 23/3

11:30-10:56

2 stops28h 26m

Chicago O'Hare Intl

Mon 30/3

20:40-17:30

1 stop14h 50m

£634

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/4

20:55-14:00

2 stops23h 05m

Chicago O'Hare Intl

Mon 20/4

19:25-15:35

2 stops14h 10m

£637

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

06:35-16:25

1 stop14h 50m

Chicago O'Hare Intl

Mon 23/3

11:40-10:40

2 stops18h 00m

£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

£653

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?

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

14h 50m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 14h 50m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
Search flight deals

  • 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 £497Free CancellationRating
6.7
7,762 reviews
Search British Airways flights

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.

An easier way to manage your Chicago trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 25/3
Wed 1/4
By creating a price alert you accept our terms of use and privacy policy.

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