Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Northern Ireland to Chicago from £619

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 6/12. 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
07:20 - 17:55BFS-ORD
16h 35m2 stops
Multiple Airlines Logo
15:50 - 14:40ORD-BFS
16h 50m2 stops
£619Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
American Airlines Logo
10:40 - 17:00BHD-ORD
12h 20m1 stop
American Airlines Logo
18:10 - 14:15ORD-BHD
15h 05m1 stop
£622American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 17:00BHD-ORD
16h 25m1 stop
American Airlines Logo
18:10 - 10:40ORD-BHD
11h 30m1 stop
£623American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 17:51BHD-ORD
17h 16m2 stops
American Airlines Logo
17:31 - 14:15ORD-BHD
15h 44m2 stops
£626American 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
£627American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Aer Lingus Logo
17:55 - 17:55BHD-ORD
30h 00m2 stops
Aer Lingus Logo
15:50 - 09:50ORD-BHD
36h 00m2 stops
£683Aer Lingus
Find Deal
Sat, 6 Dec - Sat, 13 Dec
British Airways Logo
06:35 - 13:50BHD-ORD
13h 15m1 stop
British Airways Logo
20:40 - 08:25ORD-BHD
29h 45m2 stops
£692British Airways
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
08:30 - 14:45BFS-ORD
36h 15m3 stops
Multiple Airlines Logo
07:05 - 12:45ORD-BFS
23h 40m2 stops
£697Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
06:35 - 15:25BHD-ORD
14h 50m1 stop
Multiple Airlines Logo
18:35 - 11:10ORD-BHD
10h 35m1 stop
£711Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
19:25 - 14:00BFS-ORD
24h 35m2 stops
Multiple Airlines Logo
15:50 - 18:50ORD-BFS
21h 00m2 stops
£865Multiple Airlines
Find Deal
Sat, 20 Dec - Sat, 27 Dec

American Airlines flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best American Airlines deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
American Airlines
5 Mar
BHD10:40Belfast City
12h 20m
1 stop
ORD17:00Chicago O'Hare Intl
9 Mar
ORD18:10Chicago O'Hare Intl
15h 05m
1 stop
BHD14:15Belfast City
£622
Find similar
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
£623
Find similar
American Airlines
5 Mar
BHD06:35Belfast City
17h 16m
2 stops
ORD17:51Chicago O'Hare Intl
9 Mar
ORD17:31Chicago O'Hare Intl
15h 44m
2 stops
BHD14:15Belfast City
£626
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 7 November 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

BFS - ORD

BFSORD

Belfast Intl

Sat 6/12

07:20-17:55

2 stops16h 35m

Chicago O'Hare Intl

Sat 13/12

15:50-14:40

2 stops16h 50m

£619

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

10:40-17:00

1 stop12h 20m

Chicago O'Hare Intl

Mon 9/3

18:10-14:15

1 stop15h 05m

£622

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

£623

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-17:51

2 stops17h 16m

Chicago O'Hare Intl

Mon 9/3

17:31-14:15

2 stops15h 44m

£626

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

£627

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/12

17:55-17:55

2 stops30h 00m

Chicago O'Hare Intl

Sat 13/12

15:50-09:50

2 stops36h 00m

£683

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/12

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

Sat 13/12

20:40-08:25

2 stops29h 45m

£692

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 6/12

08:30-14:45

3 stops36h 15m

Chicago O'Hare Intl

Sat 13/12

07:05-12:45

2 stops23h 40m

£697

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/12

06:35-15:25

1 stop14h 50m

Chicago O'Hare Intl

Sat 13/12

18:35-11:10

1 stop10h 35m

£711

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

£865

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 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 £633. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £643.

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.
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 £496Free CancellationRating
6.7
7,500 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
Lake Geneva
Joliet
Oak Brook
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.

An easier way to manage your Chicago O'Hare Intl Airport 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
Sun 7/12
Sun 14/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago