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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from $255

This is the cheapest one-way 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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Northern Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 pm - 10:00 pm
ORD
-
BFS
21h 30m2 stops
Multiple Airlines Logo
8:05 am - 5:20 pm
BFS
-
ORD
15h 15m2 stops
$605Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
6:30 pm - 10:00 pm
ORD
-
BFS
21h 30m2 stops
Multiple Airlines Logo
11:45 am - 5:20 pm
BFS
-
ORD
35h 35m3 stops
$611Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
6:30 pm - 6:55 pm
ORD
-
BFS
18h 25m2 stops
Multiple Airlines Logo
10:20 pm - 3:00 pm
BFS
-
ORD
46h 40m3 stops
$628Multiple Airlines
Sun, Jan 18 - Mon, Feb 2
American Airlines Logo
9:45 pm - 4:50 pm
ORD
-
BHD
13h 05m1 stop
American Airlines Logo
2:40 pm - 5:00 pm
BHD
-
ORD
32h 20m1 stop
$643American Airlines
Sun, Jan 18 - Mon, Feb 2
Multiple Airlines Logo
6:30 pm - 12:55 am
ORD
-
BFS
24h 25m3 stops
Multiple Airlines Logo
11:45 am - 5:20 pm
BFS
-
ORD
35h 35m3 stops
$662Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
British Airways Logo
4:14 pm - 1:55 pm
ORD
-
BHD
15h 41m2 stops
British Airways Logo
5:45 pm - 1:50 pm
BHD
-
ORD
26h 05m1 stop
$664British Airways
Sun, Jan 18 - Mon, Feb 2
Virgin Atlantic Logo
11:05 am - 4:50 pm
ORD
-
BHD
23h 45m2 stops
Virgin Atlantic Logo
5:20 pm - 5:45 pm
BHD
-
ORD
30h 25m2 stops
$671Virgin Atlantic
Sun, Jan 18 - Mon, Feb 2
Multiple Airlines Logo
4:38 pm - 8:10 pm
ORD
-
BFS
21h 32m3 stops
Multiple Airlines Logo
11:05 pm - 5:20 pm
BFS
-
ORD
24h 15m3 stops
$684Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
British Airways Logo
4:14 pm - 1:55 pm
ORD
-
BHD
15h 41m2 stops
British Airways Logo
5:35 pm - 1:50 pm
BHD
-
ORD
26h 15m1 stop
$690British Airways
Sun, Jan 18 - Sun, Jan 25
American Airlines Logo
6:25 pm - 1:55 pm
ORD
-
BHD
13h 30m1 stop
American Airlines Logo
9:10 am - 5:00 pm
BHD
-
ORD
13h 50m1 stop
$692American Airlines
Sun, Jan 18 - Sun, Jan 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
Jan 18
ORD9:45 pmChicago O'Hare Intl
13h 05m
1 stop
BHD4:50 pmBelfast City
Feb 2
BHD2:40 pmBelfast City
32h 20m
1 stop
ORD5:00 pmChicago O'Hare Intl
$643
Find similar
American Airlines
Jan 18
ORD6:25 pmChicago O'Hare Intl
13h 30m
1 stop
BHD1:55 pmBelfast City
Jan 25
BHD9:10 amBelfast City
13h 50m
1 stop
ORD5:00 pmChicago O'Hare Intl
$692
Find similar
American Airlines
Mar 12
ORD7:45 pmChicago O'Hare Intl
13h 15m
1 stop
BHD2:00 pmBelfast City
Mar 19
BHD11:05 amBelfast City
11h 55m
1 stop
ORD6:00 pmChicago O'Hare Intl
$750
Find similar

British Airways flights from Chicago O'Hare Intl Airport to Northern Ireland

Our best British Airways deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
British Airways
Jan 18
ORD4:14 pmChicago O'Hare Intl
15h 41m
2 stops
BHD1:55 pmBelfast City
Feb 2
BHD5:45 pmBelfast City
26h 05m
1 stop
ORD1:50 pmChicago O'Hare Intl
$664
Find similar
British Airways
Jan 18
ORD4:14 pmChicago O'Hare Intl
15h 41m
2 stops
BHD1:55 pmBelfast City
Jan 25
BHD5:35 pmBelfast City
26h 15m
1 stop
ORD1:50 pmChicago O'Hare Intl
$690
Find similar
British Airways
Mar 16
ORD6:54 pmChicago O'Hare Intl
16h 11m
2 stops
BHD4:05 pmBelfast City
Mar 22
BHD12:10 pmBelfast City
24h 05m
2 stops
ORD7:15 amChicago O'Hare Intl
$702
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 December 18, 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 - BFS

ORDBFS

Chicago O'Hare Intl

Fri 1/30

6:30 pm-10:00 pm

2 stops21h 30m

Belfast Intl

Fri 2/6

8:05 am-5:20 pm

2 stops15h 15m

$605

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 1/30

6:30 pm-10:00 pm

2 stops21h 30m

Belfast Intl

Fri 2/6

11:45 am-5:20 pm

3 stops35h 35m

$611

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 1/18

6:30 pm-6:55 pm

2 stops18h 25m

Belfast Intl

Mon 2/2

10:20 pm-3:00 pm

3 stops46h 40m

$628

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

9:45 pm-4:50 pm

1 stop13h 05m

Belfast City

Mon 2/2

2:40 pm-5:00 pm

1 stop32h 20m

$643

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 1/30

6:30 pm-12:55 am

3 stops24h 25m

Belfast Intl

Fri 2/6

11:45 am-5:20 pm

3 stops35h 35m

$662

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

4:14 pm-1:55 pm

2 stops15h 41m

Belfast City

Mon 2/2

5:45 pm-1:50 pm

1 stop26h 05m

$664

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

11:05 am-4:50 pm

2 stops23h 45m

Belfast City

Mon 2/2

5:20 pm-5:45 pm

2 stops30h 25m

$671

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 2/1

4:38 pm-8:10 pm

3 stops21h 32m

Belfast Intl

Sun 2/8

11:05 pm-5:20 pm

3 stops24h 15m

$684

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

4:14 pm-1:55 pm

2 stops15h 41m

Belfast City

Sun 1/25

5:35 pm-1:50 pm

1 stop26h 15m

$690

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

6:25 pm-1:55 pm

1 stop13h 30m

Belfast City

Sun 1/25

9:10 am-5:00 pm

1 stop13h 50m

$692

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 11h 20m
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
6.7
7,585 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

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Find better results for your trip to Northern Ireland

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