What is the cheapest airline that flies from Chicago to Northern Ireland?

Aer Lingus, KLM, and Delta are the most popular carriers operating from Chicago to Northern Ireland

When did momondo last update prices for flights from Chicago to Northern Ireland?

Prices for flights from Chicago to Northern Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago to Northern Ireland?

The number of operators available for flights from Chicago to Northern Ireland is 1 as of June 2026.

How old do you have to be to fly from Chicago 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 to Northern Ireland.

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

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$312 Cheap Flights from Chicago to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 9:10 pm

ORD

BFS

19h 45m

2 stops

9:05 pm - 6:15 pm

BFS

ORD

27h 10m

3 stops

$809Multiple Airlines

Wed, Oct 7 - Wed, Oct 21

7:25 pm - 11:10 pm

ORD

BFS

21h 45m

3 stops

9:05 pm - 6:15 pm

BFS

ORD

27h 10m

3 stops

$836Multiple Airlines

Wed, Oct 7 - Wed, Oct 21

5:35 pm - 6:50 pm

ORD

BFS

19h 15m

2 stops

9:35 pm - 4:58 pm

BFS

ORD

25h 23m

2 stops

$843Multiple Airlines

Sun, Sep 13 - Mon, Sep 21

5:00 pm - 1:35 pm

ORD

BHD

14h 35m

1 stop

6:30 am - 3:55 pm

BHD

ORD

15h 25m

1 stop

$867British Airways

Wed, Oct 7 - Wed, Oct 21

9:50 pm - 4:50 pm

ORD

BHD

13h 00m

1 stop

6:35 am - 6:45 pm

BHD

ORD

18h 10m

1 stop

$885British Airways

Sun, Nov 1 - Wed, Nov 18

3:08 pm - 10:15 am

ORD

BHD

13h 07m

2 stops

6:35 am - 7:15 pm

BHD

ORD

18h 40m

1 stop

$887American Airlines

Wed, Nov 4 - Wed, Nov 18

4:20 pm - 9:20 am

ORD

BHD

11h 00m

1 stop

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

$904Delta

Sun, Oct 4 - Mon, Oct 19

3:50 pm - 4:50 pm

ORD

BHD

19h 00m

2 stops

5:20 pm - 2:25 pm

BHD

ORD

27h 05m

1 stop

$908Delta

Sun, Nov 1 - Wed, Nov 18

1:05 pm - 5:50 pm

MDW

BHD

22h 45m

2 stops

5:20 pm - 4:50 pm

BHD

MDW

29h 30m

2 stops

$968KLM

Sat, Oct 24 - Wed, Nov 4

1:27 pm - 9:20 am

MDW

BHD

13h 53m

2 stops

9:50 am - 10:36 pm

BHD

MDW

18h 46m

2 stops

$1,806KLM

Fri, Aug 14 - Thu, Aug 20

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British Airways flights from Chicago to Northern Ireland

Our best British Airways deals on Chicago to Northern Ireland flight tickets

British Airways

Oct 7

ORD5:00 pmChicago O'Hare Intl

14h 35m

1 stop

BHD1:35 pmBelfast City

Oct 21

BHD6:30 amBelfast City

15h 25m

1 stop

ORD3:55 pmChicago O'Hare Intl

$867

British Airways

Nov 1

ORD9:50 pmChicago O'Hare Intl

13h 00m

1 stop

BHD4:50 pmBelfast City

Nov 18

BHD6:35 amBelfast City

18h 10m

1 stop

ORD6:45 pmChicago O'Hare Intl

$885

British Airways

Oct 7

ORD4:01 pmChicago O'Hare Intl

13h 59m

2 stops

BHD12:00 pmBelfast City

Oct 21

BHD11:35 amBelfast City

12h 40m

1 stop

ORD6:15 pmChicago O'Hare Intl

$889

American Airlines flights from Chicago to Northern Ireland

Our best American Airlines deals on Chicago to Northern Ireland flight tickets

American Airlines

Nov 4

ORD3:08 pmChicago O'Hare Intl

13h 07m

2 stops

BHD10:15 amBelfast City

Nov 18

BHD6:35 amBelfast City

18h 40m

1 stop

ORD7:15 pmChicago O'Hare Intl

$887

American Airlines

Jul 19

ORD8:40 pmChicago O'Hare Intl

15h 00m

1 stop

BHD5:40 pmBelfast City

Jul 25

BHD4:15 pmBelfast City

26h 15m

1 stop

ORD12:30 pmChicago O'Hare Intl

$1,100

American Airlines

Jul 19

ORD8:40 pmChicago O'Hare Intl

15h 00m

1 stop

BHD5:40 pmBelfast City

Jul 25

BHD4:15 pmBelfast City

26h 15m

1 stop

ORD12:30 pmChicago O'Hare Intl

$1,284

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 10/7

7:25 pm-9:10 pm

2 stops19h 45m

Belfast Intl

Wed 10/21

9:05 pm-6:15 pm

3 stops27h 10m

$809

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 10/7

7:25 pm-11:10 pm

3 stops21h 45m

Belfast Intl

Wed 10/21

9:05 pm-6:15 pm

3 stops27h 10m

$836

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 9/13

5:35 pm-6:50 pm

2 stops19h 15m

Belfast Intl

Mon 9/21

9:35 pm-4:58 pm

2 stops25h 23m

$843

Quickest round-trip

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

$867

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 11/1

9:50 pm-4:50 pm

1 stop13h 00m

Belfast City

Wed 11/18

6:35 am-6:45 pm

1 stop18h 10m

$885

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 11/4

3:08 pm-10:15 am

2 stops13h 07m

Belfast City

Wed 11/18

6:35 am-7:15 pm

1 stop18h 40m

$887

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

$904

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 11/1

3:50 pm-4:50 pm

2 stops19h 00m

Belfast City

Wed 11/18

5:20 pm-2:25 pm

1 stop27h 05m

$908

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 10/24

1:05 pm-5:50 pm

2 stops22h 45m

Belfast City

Wed 11/4

5:20 pm-4:50 pm

2 stops29h 30m

$968

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 8/14

1:27 pm-9:20 am

2 stops13h 53m

Belfast City

Thu 8/20

9:50 am-10:36 pm

2 stops18h 46m

$1,806

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 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 to Northern Ireland flights?

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

Cheap Chicago to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Northern Ireland

Fastest flight time	12h 15m
Direct flights	None

The fastest flight from Chicago to Northern Ireland takes 12h 15m

There are no direct flights from Chicago to Northern Ireland. There are no popular flight routes from Chicago to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Chicago to Northern Ireland

When did momondo last update prices for flights from Chicago to Northern Ireland?
Prices for flights from Chicago to Northern Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Northern Ireland?
The number of operators available for flights from Chicago to Northern Ireland is 1 as of June 2026.
How old do you have to be to fly from Chicago 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 to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago to Northern Ireland

Compare and see reviews for airlines that fly from Chicago to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $577	Free Cancellation	Rating 6.7 8,068 reviews		Search British Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Chicago.

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

Yes. All flights to Northern Ireland from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Chicago to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.