Cheap flights from Northern Ireland to Chicago from £624

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 5/3. 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.

Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:35 - 17:00BHD-ORD
16h 25m1 stop
American Airlines Logo
18:10 - 10:40ORD-BHD
11h 30m1 stop
£624American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
09:05 - 15:25BHD-ORD
12h 20m1 stop
American Airlines Logo
10:28 - 10:40ORD-BHD
19h 12m2 stops
£627American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 17:51BHD-ORD
17h 16m2 stops
American Airlines Logo
18:30 - 14:15ORD-BHD
14h 45m2 stops
£628American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 17:53BHD-ORD
17h 18m2 stops
American Airlines Logo
14:36 - 10:40ORD-BHD
15h 04m2 stops
£632American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
19:25 - 14:00BFS-ORD
24h 35m2 stops
Multiple Airlines Logo
15:50 - 18:50ORD-BFS
21h 00m2 stops
£867Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
Multiple Airlines Logo
12:45 - 16:45BFS-ORD
34h 00m3 stops
Multiple Airlines Logo
19:20 - 22:40ORD-BFS
21h 20m2 stops
£884Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
Multiple Airlines Logo
19:30 - 17:20BFS-ORD
27h 50m3 stops
Multiple Airlines Logo
14:00 - 12:40ORD-BFS
16h 40m3 stops
£976Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec
Multiple Airlines Logo
14:05 - 20:00BFS-ORD
35h 55m2 stops
Multiple Airlines Logo
17:20 - 19:55ORD-BFS
20h 35m1 stop
£1,062Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets
American Airlines
5 Mar
BHD06:35Belfast City
16h 25m
1 stop
ORD17:00Chicago O'Hare Intl
9 Mar
ORD18:10Chicago O'Hare Intl
11h 30m
1 stop
BHD10:40Belfast City
American Airlines
5 Mar
BHD09:05Belfast City
12h 20m
1 stop
ORD15:25Chicago O'Hare Intl
9 Mar
ORD10:28Chicago O'Hare Intl
19h 12m
2 stops
BHD10:40Belfast City
American Airlines
5 Mar
BHD06:35Belfast City
17h 16m
2 stops
ORD17:51Chicago O'Hare Intl
9 Mar
ORD18:30Chicago O'Hare Intl
14h 45m
2 stops
BHD14:15Belfast City

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 5 November 2025.
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

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-17:00

1 stop16h 25m

Chicago O'Hare Intl

Mon 9/3

18:10-10:40

1 stop11h 30m

£624

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

09:05-15:25

1 stop12h 20m

Chicago O'Hare Intl

Mon 9/3

10:28-10:40

2 stops19h 12m

£627

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-17:51

2 stops17h 16m

Chicago O'Hare Intl

Mon 9/3

18:30-14:15

2 stops14h 45m

£628

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-17:53

2 stops17h 18m

Chicago O'Hare Intl

Mon 9/3

14:36-10:40

2 stops15h 04m

£632

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 20/12

19:25-14:00

2 stops24h 35m

Chicago O'Hare Intl

Sat 27/12

15:50-18:50

2 stops21h 00m

£867

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 20/12

12:45-16:45

3 stops34h 00m

Chicago O'Hare Intl

Sat 27/12

19:20-22:40

2 stops21h 20m

£884

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 20/12

19:30-17:20

3 stops27h 50m

Chicago O'Hare Intl

Sat 27/12

14:00-12:40

3 stops16h 40m

£976

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 20/12

14:05-20:00

2 stops35h 55m

Chicago O'Hare Intl

Sat 27/12

17:20-19:55

1 stop20h 35m

£1,062

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as £606. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £845.

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

Direct flights

None
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes 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 £497Free CancellationRating
6.7
7,496 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/12
Fri 12/12

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