What is the cheapest airline that flies from Chicago O'Hare Intl to Northern Ireland?

British Airways and KLM are the most popular carriers operating from Chicago O'Hare Intl to Northern Ireland

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

As of June 2026, there is 1 operator available to choose from 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.

$249 Cheap Flights from Chicago O'Hare Intl Airport to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 4:15 pm

ORD

BHD

14h 50m

3 stops

10:50 am - 9:25 pm

BHD

ORD

40h 35m

3 stops

$705Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

7:25 pm - 10:45 pm

ORD

BFS

21h 20m

3 stops

10:30 pm - 12:40 pm

BFS

ORD

44h 10m

3 stops

$715Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

5:35 pm - 6:25 pm

ORD

BFS

18h 50m

2 stops

8:30 am - 9:20 pm

BFS

ORD

42h 50m

3 stops

$768Multiple Airlines

Sun, Sep 6 - Wed, Sep 16

10:25 pm - 5:50 pm

ORD

BHD

13h 25m

2 stops

10:50 am - 6:15 pm

BHD

ORD

37h 25m

3 stops

$785Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

7:25 pm - 11:20 pm

ORD

BFS

21h 55m

3 stops

6:40 am - 9:25 pm

BFS

ORD

20h 45m

2 stops

$786Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

5:00 pm - 1:35 pm

ORD

BHD

14h 35m

1 stop

6:30 am - 3:55 pm

BHD

ORD

15h 25m

1 stop

$864British Airways

Wed, Oct 7 - Wed, Oct 21

5:00 pm - 12:00 pm

ORD

BHD

13h 00m

1 stop

5:45 pm - 4:20 pm

BHD

ORD

27h 35m

1 stop

$878British Airways

Wed, Oct 21 - Mon, Oct 26

9:05 pm - 3:40 pm

ORD

BHD

12h 35m

1 stop

10:05 am - 7:26 pm

BHD

ORD

15h 21m

2 stops

$889American Airlines

Wed, Oct 7 - Wed, Oct 21

4:20 pm - 9:20 am

ORD

BHD

11h 00m

1 stop

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

$900Delta

Sun, Oct 4 - Mon, Oct 19

8:25 am - 9:20 am

ORD

BHD

18h 55m

2 stops

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

$904Delta

Sun, Oct 4 - Mon, Oct 19

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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 7

ORD9:05 pmChicago O'Hare Intl

12h 35m

1 stop

BHD3:40 pmBelfast City

Oct 21

BHD10:05 amBelfast City

15h 21m

2 stops

ORD7:26 pmChicago O'Hare Intl

$889

American Airlines

Jul 28

ORD10:30 pmChicago O'Hare Intl

14h 25m

1 stop

BHD6:55 pmBelfast City

Aug 4

BHD6:30 amBelfast City

12h 00m

1 stop

ORD12:30 pmChicago O'Hare Intl

$1,031

American Airlines

Jul 28

ORD3:29 pmChicago O'Hare Intl

13h 16m

2 stops

BHD10:45 amBelfast City

Aug 4

BHD6:30 amBelfast City

16h 59m

2 stops

ORD5:29 pmChicago O'Hare Intl

$1,045

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

Oct 21

ORD12:15 pmChicago O'Hare Intl

15h 05m

2 stops

BHD9:20 amBelfast City

Oct 26

BHD5:20 pmBelfast City

29h 14m

2 stops

ORD5:34 pmChicago O'Hare Intl

$914

KLM

Jul 28

ORD4:20 pmChicago O'Hare Intl

11h 00m

1 stop

BHD9:20 amBelfast City

Aug 4

BHD9:50 amBelfast City

20h 07m

2 stops

ORD11:57 pmChicago O'Hare Intl

$1,008

KLM

Aug 12

ORD4:50 pmChicago O'Hare Intl

10h 30m

1 stop

BHD9:20 amBelfast City

Aug 17

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

$1,010

momondo Fare Finder

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

Cheapest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/1

7:25 pm-4:15 pm

3 stops14h 50m

Belfast City

Tue 9/8

10:50 am-9:25 pm

3 stops40h 35m

$705

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 9/1

7:25 pm-10:45 pm

3 stops21h 20m

Belfast Intl

Tue 9/8

10:30 pm-12:40 pm

3 stops44h 10m

$715

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 9/6

5:35 pm-6:25 pm

2 stops18h 50m

Belfast Intl

Wed 9/16

8:30 am-9:20 pm

3 stops42h 50m

$768

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/1

10:25 pm-5:50 pm

2 stops13h 25m

Belfast City

Tue 9/8

10:50 am-6:15 pm

3 stops37h 25m

$785

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 9/1

7:25 pm-11:20 pm

3 stops21h 55m

Belfast Intl

Tue 9/8

6:40 am-9:25 pm

2 stops20h 45m

$786

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 10/7

5:00 pm-1:35 pm

1 stop14h 35m

Belfast City

Wed 10/21

6:30 am-3:55 pm

1 stop15h 25m

$864

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 10/21

5:00 pm-12:00 pm

1 stop13h 00m

Belfast City

Mon 10/26

5:45 pm-4:20 pm

1 stop27h 35m

$878

Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 10/7

9:05 pm-3:40 pm

1 stop12h 35m

Belfast City

Wed 10/21

10:05 am-7:26 pm

2 stops15h 21m

$889

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 10/4

4:20 pm-9:20 am

1 stop11h 00m

Belfast City

Mon 10/19

5:30 pm-2:15 pm

1 stop26h 45m

$900

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 10/4

8:25 am-9:20 am

2 stops18h 55m

Belfast City

Mon 10/19

5:30 pm-2:15 pm

1 stop26h 45m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Can stopping save me money on Chicago O'Hare Intl Airport to Northern Ireland flights?

You could potentially save up to 37% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Northern Ireland flight.

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	10h 55m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 10h 55m

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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Northern Ireland

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?
As of June 2026, there is 1 operator available to choose from 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 Airways	PriceFrom $577	Free Cancellation	Rating 6.7 8,082 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.