Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from $632

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Northern Ireland departing on 12/5. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 Chicago O'Hare Intl Airport to Northern Ireland

Cheap round-trip flights

British Airways Logo
9:45 pm - 5:15 pmORD-BHD
13h 30m1 stop
British Airways Logo
10:00 am - 6:45 pmBHD-ORD
14h 45m1 stop
$632British Airways
Find Deal
Fri, Dec 5 - Tue, Dec 9
British Airways Logo
6:10 pm - 6:50 pmORD-BHD
19h 40m1 stop
British Airways Logo
2:50 pm - 1:50 pmBHD-ORD
29h 00m1 stop
$641British Airways
Find Deal
Thu, Oct 30 - Mon, Nov 10
Logo
6:10 pm - 2:15 pmORD-BHD
15h 05m1 stop
Logo
5:30 am - 5:38 pmBHD-ORD
17h 08m2 stops
$642
Find Deal
Mon, Oct 27 - Sun, Nov 2
British Airways Logo
5:11 pm - 4:05 pmORD-BHD
17h 54m2 stops
British Airways Logo
8:25 pm - 7:20 pmBHD-ORD
28h 55m2 stops
$653British Airways
Find Deal
Mon, Oct 27 - Sun, Nov 2
American Airlines Logo
9:45 pm - 2:15 pmORD-BHD
11h 30m1 stop
American Airlines Logo
10:40 am - 5:00 pmBHD-ORD
12h 20m1 stop
$655American Airlines
Find Deal
Mon, Oct 27 - Sun, Nov 2
Logo
6:10 pm - 4:40 pmORD-BHD
17h 30m1 stop
Logo
5:30 am - 5:45 pmBHD-ORD
17h 15m2 stops
$702
Find Deal
Thu, Oct 30 - Sun, Nov 2
Delta Logo
4:15 pm - 9:15 pmORD-BHD
23h 00m1 stop
Delta Logo
6:30 am - 2:10 pmBHD-ORD
13h 40m1 stop
$722Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
Delta Logo
4:15 pm - 9:15 pmORD-BHD
23h 00m1 stop
Delta Logo
6:30 am - 8:23 pmBHD-ORD
19h 53m2 stops
$732Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
American Airlines Logo
5:11 pm - 2:15 pmORD-BHD
16h 04m2 stops
American Airlines Logo
6:35 am - 5:52 pmBHD-ORD
17h 17m2 stops
$744American Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 10
KLM Logo
6:59 pm - 4:55 pmORD-BHD
15h 56m2 stops
KLM Logo
5:25 pm - 3:20 pmBHD-ORD
27h 55m1 stop
$872KLM
Find Deal
Thu, Oct 16 - Sat, Oct 25

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
American Airlines
Oct 27
ORD9:45 pmChicago O'Hare Intl
11h 30m
1 stop
BHD2:15 pmBelfast City
Nov 2
BHD10:40 amBelfast City
12h 20m
1 stop
ORD5:00 pmChicago O'Hare Intl
$655
Find similar
American Airlines
Oct 31
ORD5:11 pmChicago O'Hare Intl
16h 04m
2 stops
BHD2:15 pmBelfast City
Nov 10
BHD6:35 amBelfast City
17h 17m
2 stops
ORD5:52 pmChicago O'Hare Intl
$744
Find similar
American Airlines
Dec 3
ORD5:10 pmChicago O'Hare Intl
11h 05m
1 stop
BHD10:15 amBelfast City
Dec 7
BHD9:10 amBelfast City
14h 45m
2 stops
ORD5:55 pmChicago O'Hare Intl
$833
Find similar

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

Our best KLM deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
KLM
Sep 17
ORD4:40 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:15 pmBelfast City
Sep 24
BHD6:30 amBelfast City
14h 10m
1 stop
ORD2:40 pmChicago O'Hare Intl
$857
Find similar
KLM
Sep 17
ORD4:40 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:15 pmBelfast City
Sep 24
BHD6:30 amBelfast City
17h 15m
2 stops
ORD5:45 pmChicago O'Hare Intl
$867
Find similar
KLM
Oct 16
ORD6:59 pmChicago O'Hare Intl
15h 56m
2 stops
BHD4:55 pmBelfast City
Oct 25
BHD5:25 pmBelfast City
27h 55m
1 stop
ORD3:20 pmChicago O'Hare Intl
$872
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Northern Ireland 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 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 12/5

9:45 pm-5:15 pm

1 stop13h 30m

Belfast City

Tue 12/9

10:00 am-6:45 pm

1 stop14h 45m

$632

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/30

6:10 pm-6:50 pm

1 stop19h 40m

Belfast City

Mon 11/10

2:50 pm-1:50 pm

1 stop29h 00m

$641

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/27

6:10 pm-2:15 pm

1 stop15h 05m

Belfast City

Sun 11/2

5:30 am-5:38 pm

2 stops17h 08m

$642

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/27

5:11 pm-4:05 pm

2 stops17h 54m

Belfast City

Sun 11/2

8:25 pm-7:20 pm

2 stops28h 55m

$653

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/27

9:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Sun 11/2

10:40 am-5:00 pm

1 stop12h 20m

$655

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/30

6:10 pm-4:40 pm

1 stop17h 30m

Belfast City

Sun 11/2

5:30 am-5:45 pm

2 stops17h 15m

$702

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-9:15 pm

1 stop23h 00m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$722

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-9:15 pm

1 stop23h 00m

Belfast City

Tue 10/7

6:30 am-8:23 pm

2 stops19h 53m

$732

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/31

5:11 pm-2:15 pm

2 stops16h 04m

Belfast City

Mon 11/10

6:35 am-5:52 pm

2 stops17h 17m

$744

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/16

6:59 pm-4:55 pm

2 stops15h 56m

Belfast City

Sat 10/25

5:25 pm-3:20 pm

1 stop27h 55m

$872

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Northern Ireland

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 Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Sunday when prices can be found for as low as $718. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Northern Ireland for around $853.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the evening is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Northern Ireland when you can find flight prices for as low as $751. Flying to Northern Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $782.

Cheap Chicago O'Hare Intl Airport to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Northern Ireland

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Northern Ireland. There are no popular flight routes from Chicago O'Hare Intl Airport to Northern Ireland.
Search flight deals

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Northern Ireland?

    Prices for flights from Chicago O'Hare Intl Airport to Northern Ireland are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Northern Ireland?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Northern Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago O'Hare Intl Airport to Northern Ireland

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Northern Ireland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Northern Ireland. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Northern Ireland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Northern Ireland from Chicago with this policy.

How can momondo help me find flights from Chicago to Northern Ireland?

Once all potential Chicago to Northern Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Northern Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Northern Ireland from Chicago. 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 Northern Ireland trip

We make it super easy to schedule, organize 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 10/15
Wed 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $318
Flights to Manchesterfrom $392
Flights to Edinburghfrom $393
Flights to Glasgowfrom $390
Flights to Birminghamfrom $390
Flights to Newcastle upon Tynefrom $429
Flights to Belfastfrom $477
Flights to Bristolfrom $462
Flights to Invernessfrom $445
Flights to Liverpoolfrom $426
Flights to Aberdeenfrom $485
Flights to Leedsfrom $426