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Northern Ireland

$433+ Cheap flights from Chicago (CHI) to Northern Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Chicago to Northern Ireland

Keep the following information in mind while searching for Chicago to Northern Ireland flight deals. Data was last updated August 14, 2025.

Round-trip from

$620
(Ovago)

One-way from

$433
(Air France)
From Chicago (CHI) to Northern Ireland
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One-way flight from Chicago (CHI) to Northern Ireland
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Find flight deals from Chicago to Northern Ireland

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 pmORD - BFS
2 stops19h 45mMultiple Airlines
Mon 12/81:30 pmBFS - ORD
2 stops33h 50mMultiple Airlines
Deal found 8/13$539
This Ovago deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:45 pmORD - BHD
1 stop10h 45mBritish Airways
Mon 12/87:25 pmBHD - ORD
2 stops25h 05mBritish Airways
Deal found 8/13$620
This Ovago deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:45 pmORD - BHD
1 stop10h 30mBritish Airways
Tue 12/98:45 amBHD - ORD
1 stop14h 15mBritish Airways
Deal found 8/13$626
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:45 pmORD - BHD
1 stop14h 55mBritish Airways
Wed 12/106:35 amBHD - ORD
1 stop13h 15mBritish Airways
Deal found 8/13$630
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:45 pmORD - BHD
1 stop12h 50mBritish Airways
Mon 12/85:45 pmBHD - ORD
1 stop26h 05mBritish Airways
Deal found 8/13$639
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:13 amORD - BFS
3 stops25h 22mMultiple Airlines
Wed 9/245:20 pmBFS - ORD
2 stops25h 15mMultiple Airlines
Deal found 8/14$669
This British Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:45 pmORD - BHD
1 stop10h 30mBritish Airways
Mon 12/87:25 pmBHD - ORD
1 stop24h 25mBritish Airways
Deal found 8/13$680
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:35 pmORD - BHD
1 stop11h 00mAmerican Airlines
Wed 9/246:50 amBHD - ORD
2 stops14h 55mAmerican Airlines
Deal found 8/14$684
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:35 pmORD - BHD
1 stop11h 00mBritish Airways
Tue 9/236:15 pmBHD - ORD
2 stops26h 00mBritish Airways
Deal found 8/14$689
This Ovago deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:42 pmORD - BHD
2 stops34h 23mBritish Airways
Sun 8/246:05 pmBHD - ORD
2 stops26h 10mBritish Airways
Deal found 8/13$696
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:25 pmORD - BHD
2 stops28h 20mBritish Airways
Sun 8/248:05 pmBHD - ORD
2 stops28h 45mBritish Airways
Deal found 8/13$703
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:55 pmORD - BHD
2 stops14h 40mBritish Airways
Thu 9/256:35 amBHD - ORD
2 stops16h 54mBritish Airways
Deal found 8/14$706

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Chicago

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 12/2

6:45 pm-11:30 am

1 stop10h 45m

Belfast City

Mon 12/8

7:25 pm-2:30 pm

2 stops25h 05m

$620

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 12/2

5:10 pm-10:30 am

1 stop11h 20m

Belfast City

Tue 12/9

8:45 am-3:25 pm

1 stop12h 40m

$626

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 12/1

9:45 pm-2:15 pm

1 stop10h 30m

Belfast City

Tue 12/9

8:45 am-5:00 pm

1 stop14h 15m

$626

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 11/30

9:45 pm-6:40 pm

1 stop14h 55m

Belfast City

Wed 12/10

6:35 am-1:50 pm

1 stop13h 15m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 11/30

9:45 pm-4:50 pm

1 stop13h 05m

Belfast City

Thu 12/11

5:45 pm-1:50 pm

1 stop26h 05m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 12/2

9:45 pm-2:50 pm

1 stop11h 05m

Belfast City

Thu 12/11

11:05 am-6:45 pm

1 stop13h 40m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 11/30

9:45 pm-6:40 pm

1 stop14h 55m

Belfast City

Mon 12/8

5:45 pm-1:50 pm

1 stop26h 05m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

9:45 pm-4:35 pm

1 stop12h 50m

Belfast City

Wed 12/10

11:25 am-6:45 pm

1 stop13h 20m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

9:45 pm-4:35 pm

1 stop12h 50m

Belfast City

Tue 12/9

7:25 pm-1:50 pm

1 stop24h 25m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 12/1

5:10 pm-10:40 am

1 stop11h 30m

Belfast City

Mon 12/8

7:25 pm-1:50 pm

1 stop24h 25m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 35 results
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Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Northern Ireland

What is the cheapest time of day to fly from CHI to NIR?

Find hourly flight availability from Chicago to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Northern Ireland as you normally would.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated August 14, 2025.
See what other customers who have flown with British Airways from Chicago to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,266 reviews

Overall

6.7

Entertainment

6.4

Comfort

6.7

Boarding

6.9

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.7
Okay
7,266 reviews
British Airways
6.7
Okay
7,266 reviews

Overall

6.7

Entertainment

6.4

Comfort

6.7

Boarding

6.9

Crew

7.6

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago to Northern Ireland one-way?

    To fly one-way, consider booking your trip with Air France, which is currently one of the cheapest options available, starting at $433. Delta flights start at $438 while deals on KLM start at $438 one-way.

  • What are the most popular routes from Chicago to Northern Ireland?

    Most travelers choose Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast City when deciding on the best route from Chicago to Northern Ireland.

  • Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.

  • Can I find deals for business class flights from Chicago to Northern Ireland?

    Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of $657). Flying from Chicago to Northern Ireland in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Chicago to Northern Ireland

Discover the top airline that operate flights from Chicago to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$720FlexibilityNo cancel feeOn-time70%

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