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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from $299

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 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 - 4:10 pm
ORD
-
BFS
15h 40m
2 stops
Multiple Airlines Logo
7:55 am - 6:20 pm
BFS
-
ORD
15h 25m
2 stops
$595Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
6:30 pm - 7:00 pm
ORD
-
BHD
18h 30m
2 stops
Multiple Airlines Logo
7:25 am - 6:20 pm
BHD
-
ORD
15h 55m
2 stops
$637Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Virgin Atlantic Logo
4:25 pm - 4:45 pm
ORD
-
BHD
18h 20m
1 stop
Virgin Atlantic Logo
5:20 pm - 3:20 pm
BHD
-
ORD
27h 00m
1 stop
$643Virgin Atlantic
Mon, Mar 2 - Tue, Mar 17
British Airways Logo
6:10 pm - 10:40 am
ORD
-
BHD
11h 30m
1 stop
British Airways Logo
6:35 am - 7:45 pm
BHD
-
ORD
18h 10m
1 stop
$646British Airways
Mon, Mar 9 - Wed, Mar 18
British Airways Logo
4:10 pm - 11:30 am
ORD
-
BHD
13h 20m
2 stops
British Airways Logo
11:25 am - 7:45 pm
BHD
-
ORD
13h 20m
1 stop
$647British Airways
Tue, Mar 3 - Tue, Mar 10
British Airways Logo
9:45 pm - 4:05 pm
ORD
-
BHD
12h 20m
1 stop
British Airways Logo
7:25 pm - 2:50 pm
BHD
-
ORD
24h 25m
1 stop
$649British Airways
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
7:25 pm - 3:15 pm
ORD
-
BFS
13h 50m
2 stops
Multiple Airlines Logo
7:35 am - 6:15 pm
BFS
-
ORD
16h 40m
2 stops
$649Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
4:10 pm - 11:30 am
ORD
-
BHD
13h 20m
2 stops
British Airways Logo
10:00 am - 9:18 pm
BHD
-
ORD
16h 18m
2 stops
$650British Airways
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
2:40 pm - 10:15 am
ORD
-
BHD
13h 35m
2 stops
American Airlines Logo
9:15 am - 6:00 pm
BHD
-
ORD
13h 45m
1 stop
$655American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
6:30 pm - 4:35 pm
ORD
-
BHD
16h 05m
1 stop
American Airlines Logo
6:35 am - 4:25 pm
BHD
-
ORD
14h 50m
1 stop
$660American Airlines
Wed, Mar 4 - Wed, Mar 11

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
Feb 11
ORD4:25 pmChicago O'Hare Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
Mar 4
BHD6:30 amBelfast City
13h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$681
KLM
Apr 8
ORD4:50 pmChicago O'Hare Intl
10h 30m
1 stop
BHD9:20 amBelfast City
Apr 13
BHD5:30 pmBelfast City
26h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$698
KLM
Mar 10
ORD5:40 pmChicago O'Hare Intl
18h 10m
2 stops
BHD4:50 pmBelfast City
Mar 19
BHD5:20 pmBelfast City
27h 00m
1 stop
ORD3:20 pmChicago O'Hare Intl
$763

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
Mar 4
ORD2:40 pmChicago O'Hare Intl
13h 35m
2 stops
BHD10:15 amBelfast City
Mar 11
BHD9:15 amBelfast City
13h 45m
1 stop
ORD6:00 pmChicago O'Hare Intl
$655
American Airlines
Mar 4
ORD6:30 pmChicago O'Hare Intl
16h 05m
1 stop
BHD4:35 pmBelfast City
Mar 11
BHD6:35 amBelfast City
14h 50m
1 stop
ORD4:25 pmChicago O'Hare Intl
$660
American Airlines
Feb 11
ORD2:50 pmChicago O'Hare Intl
13h 25m
2 stops
BHD10:15 amBelfast City
Mar 4
BHD9:15 amBelfast City
12h 10m
1 stop
ORD3:25 pmChicago O'Hare Intl
$662

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 February 4, 2026.
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

Wed 3/4

6:30 pm-4:10 pm

2 stops15h 40m

Belfast Intl

Wed 3/11

7:55 am-6:20 pm

2 stops15h 25m

$595

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

6:30 pm-7:00 pm

2 stops18h 30m

Belfast City

Wed 3/11

7:25 am-6:20 pm

2 stops15h 55m

$637

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/2

4:25 pm-4:45 pm

1 stop18h 20m

Belfast City

Tue 3/17

5:20 pm-3:20 pm

1 stop27h 00m

$643

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/9

6:10 pm-10:40 am

1 stop11h 30m

Belfast City

Wed 3/18

6:35 am-7:45 pm

1 stop18h 10m

$646

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/3

4:10 pm-11:30 am

2 stops13h 20m

Belfast City

Tue 3/10

11:25 am-7:45 pm

1 stop13h 20m

$647

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/2

9:45 pm-4:05 pm

1 stop12h 20m

Belfast City

Mon 3/9

7:25 pm-2:50 pm

1 stop24h 25m

$649

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 4/14

7:25 pm-3:15 pm

2 stops13h 50m

Belfast Intl

Tue 4/21

7:35 am-6:15 pm

2 stops16h 40m

$649

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/3

4:10 pm-11:30 am

2 stops13h 20m

Belfast City

Tue 3/10

10:00 am-9:18 pm

2 stops16h 18m

$650

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

2:40 pm-10:15 am

2 stops13h 35m

Belfast City

Wed 3/11

9:15 am-6:00 pm

1 stop13h 45m

$655

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

6:30 pm-4:35 pm

1 stop16h 05m

Belfast City

Wed 3/11

6:35 am-4:25 pm

1 stop14h 50m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Chicago O'Hare Intl to Northern Ireland?

Aer Lingus is the most popular carrier operating from Chicago O'Hare Intl to Northern Ireland

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 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 11h 00m
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
7,712 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.

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