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Cheap flights from Chicago to Northern Ireland from $320

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 to Northern Ireland departing on 9/11. 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 to Northern Ireland

Cheap round-trip flights

British Airways Logo
5:40 pm - 11:30 amORD-BHD
11h 50m1 stop
British Airways Logo
7:30 pm - 3:45 pmBHD-ORD
26h 15m2 stops
$615British Airways
Find Deal
Sun, Sep 14 - Mon, Sep 22
British Airways Logo
10:35 pm - 3:40 pmORD-BHD
11h 05m1 stop
British Airways Logo
7:30 pm - 3:45 pmBHD-ORD
26h 15m2 stops
$616British Airways
Find Deal
Mon, Aug 25 - Mon, Sep 1
British Airways Logo
5:40 pm - 1:05 pmORD-BHD
13h 25m1 stop
British Airways Logo
7:30 pm - 11:50 amBHD-ORD
22h 20m1 stop
$625British Airways
Find Deal
Sun, Sep 14 - Mon, Sep 22
British Airways Logo
10:35 pm - 5:30 pmORD-BHD
12h 55m1 stop
British Airways Logo
6:30 pm - 11:55 amBHD-ORD
23h 25m1 stop
$627British Airways
Find Deal
Mon, Aug 25 - Mon, Sep 1
Logo
10:15 pm - 10:25 pmORD-BFS
18h 10m2 stops
Logo
7:00 am - 6:15 pmBFS-ORD
41h 15m2 stops
$641
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
7:25 pm - 8:35 pmORD-BFS
19h 10m2 stops
Logo
8:55 am - 6:15 pmBFS-ORD
39h 20m2 stops
$683
Find Deal
Mon, Sep 15 - Sat, Sep 20
Delta Logo
3:45 pm - 9:00 pmORD-BHD
23h 15m2 stops
Delta Logo
5:20 pm - 2:20 pmBHD-ORD
27h 00m1 stop
$711Delta
Find Deal
Wed, Nov 5 - Tue, Nov 11
Delta Logo
10:25 am - 9:00 pmORD-BHD
28h 35m2 stops
Delta Logo
5:20 pm - 4:34 pmBHD-ORD
29h 14m2 stops
$721Delta
Find Deal
Wed, Nov 5 - Tue, Nov 11
KLM Logo
6:35 pm - 4:50 pmMDW-BHD
17h 15m2 stops
KLM Logo
6:30 am - 5:43 pmBHD-MDW
17h 13m2 stops
$1,191KLM
Find Deal
Sat, Nov 1 - Sat, Nov 8
KLM Logo
7:10 pm - 4:55 pmMDW-BHD
15h 45m2 stops
KLM Logo
6:30 am - 5:43 pmBHD-MDW
17h 13m2 stops
$1,500KLM
Find Deal
Wed, Oct 22 - Tue, Nov 4

British Airways flights from Chicago to Northern Ireland

Our best British Airways deals on Chicago to Northern Ireland flight tickets
British Airways
Sep 14
ORD5:40 pmChicago O'Hare Intl
11h 50m
1 stop
BHD11:30 amBelfast City
Sep 22
BHD7:30 pmBelfast City
26h 15m
2 stops
ORD3:45 pmChicago O'Hare Intl
$615
Find similar
British Airways
Aug 25
ORD10:35 pmChicago O'Hare Intl
11h 05m
1 stop
BHD3:40 pmBelfast City
Sep 1
BHD7:30 pmBelfast City
26h 15m
2 stops
ORD3:45 pmChicago O'Hare Intl
$616
Find similar
British Airways
Sep 14
ORD5:40 pmChicago O'Hare Intl
13h 25m
1 stop
BHD1:05 pmBelfast City
Sep 22
BHD7:30 pmBelfast City
22h 20m
1 stop
ORD11:50 amChicago O'Hare Intl
$625
Find similar

Delta flights from Chicago to Northern Ireland

Our best Delta deals on Chicago to Northern Ireland flight tickets
Delta
Nov 5
ORD3:45 pmChicago O'Hare Intl
23h 15m
2 stops
BHD9:00 pmBelfast City
Nov 11
BHD5:20 pmBelfast City
27h 00m
1 stop
ORD2:20 pmChicago O'Hare Intl
$711
Find similar
Delta
Nov 5
ORD10:25 amChicago O'Hare Intl
28h 35m
2 stops
BHD9:00 pmBelfast City
Nov 11
BHD5:20 pmBelfast City
29h 14m
2 stops
ORD4:34 pmChicago O'Hare Intl
$721
Find similar
Delta
Nov 5
ORD4:25 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:00 pmBelfast City
Nov 10
BHD5:20 pmBelfast City
31h 57m
2 stops
ORD7:17 pmChicago O'Hare Intl
$726
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 July 31, 2025.
Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 9/14

5:40 pm-11:30 am

1 stop11h 50m

Belfast City

Mon 9/22

7:30 pm-3:45 pm

2 stops26h 15m

$615

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/25

10:35 pm-3:40 pm

1 stop11h 05m

Belfast City

Mon 9/1

7:30 pm-3:45 pm

2 stops26h 15m

$616

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 9/14

5:40 pm-1:05 pm

1 stop13h 25m

Belfast City

Mon 9/22

7:30 pm-11:50 am

1 stop22h 20m

$625

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/25

10:35 pm-5:30 pm

1 stop12h 55m

Belfast City

Mon 9/1

6:30 pm-11:55 am

1 stop23h 25m

$627

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 9/14

10:15 pm-10:25 pm

2 stops18h 10m

Belfast Intl

Sun 9/21

7:00 am-6:15 pm

2 stops41h 15m

$641

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 9/15

7:25 pm-8:35 pm

2 stops19h 10m

Belfast Intl

Sat 9/20

8:55 am-6:15 pm

2 stops39h 20m

$683

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 11/5

3:45 pm-9:00 pm

2 stops23h 15m

Belfast City

Tue 11/11

5:20 pm-2:20 pm

1 stop27h 00m

$711

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 11/5

10:25 am-9:00 pm

2 stops28h 35m

Belfast City

Tue 11/11

5:20 pm-4:34 pm

2 stops29h 14m

$721

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 11/1

6:35 pm-4:50 pm

2 stops17h 15m

Belfast City

Sat 11/8

6:30 am-5:43 pm

2 stops17h 13m

$1,191

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 10/22

7:10 pm-4:55 pm

2 stops15h 45m

Belfast City

Tue 11/4

6:30 am-5:43 pm

2 stops17h 13m

$1,500

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 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 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 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 to Northern Ireland flight deals and tips

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

Best Price Found

$320

Fastest flight time

10h 30m

Direct flights

None

Airports in Northern Ireland

2 airports
The best one-way flight to Northern Ireland from Chicago in the past 72 hours is $320. The best round-trip flight deal from Chicago to Northern Ireland found on momondo in the last 72 hours is $615.
The fastest flight from Chicago to Northern Ireland takes 10h 30m
There are no direct flights from Chicago to Northern Ireland. Popular non-direct routes for this connection are Chicago Midway Airport - Belfast City Airport, Chicago O'Hare Intl Airport - Belfast Intl Airport and Chicago O'Hare Intl Airport - Belfast City Airport.
There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)
Search flight deals

  • 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?

  • 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 AirwaysPriceFrom $577Free CancellationRating
6.6
7,222 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.

An easier way to manage your Northern Ireland trip

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