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$623+ Cheap flights from Chicago (CHI) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Round-trip from

$602
(oojo)
From Chicago (CHI) to Northern Ireland
Search Deals

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 November 26, 2025.

This American Airlines deal was found by Cheapflights users on 11/26. 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.
Sun 12/76:35 pmORD - BHD
1 stop18h 05mAmerican Airlines
Sun 12/146:30 amBHD - ORD
2 stops17h 09mAmerican Airlines
Deal found 11/26$629
This KLM deal was found by Cheapflights users on 11/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:25 pmORD - BHD
1 stop22h 35mKLM
Sun 12/145:20 pmBHD - ORD
1 stop27h 00mKLM
Deal found 11/26$675
This FlightHub deal was found by Cheapflights users on 11/26. 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.
Sun 12/75:34 pmORD - BHD
2 stops19h 06mBritish Airways
Sun 12/149:10 amBHD - ORD
2 stops28h 11mBritish Airways
Deal found 11/26$698
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Sat 12/136:35 pmORD - BHD
1 stop13h 40mAmerican Airlines
Sun 1/119:10 amBHD - ORD
2 stops17h 00mAmerican Airlines
Deal found 11/25$834
This oojo deal was found by Cheapflights users on 11/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:35 pmORD - BHD
1 stop10h 35mBritish Airways
Sun 1/118:25 pmBHD - ORD
1 stop25h 00mBritish Airways
Deal found 11/25$884
This Ovago deal was found by Cheapflights users on 11/26. 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 12/308:40 pmORD - BHD
1 stop14h 05mBritish Airways
Mon 1/57:25 pmBHD - ORD
1 stop27h 35mBritish Airways
Deal found 11/26$1,114

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 November 26, 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

Wed 3/18

4:19 pm-2:15 pm

2 stops16h 56m

Belfast City

Sun 3/22

3:10 pm-2:50 pm

1 stop28h 40m

$623

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 2/4

6:30 pm-4:10 pm

2 stops15h 40m

Belfast Intl

Mon 2/9

6:50 pm-5:20 pm

3 stops28h 30m

$624

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 12/7

6:35 pm-6:40 pm

1 stop18h 05m

Belfast City

Sun 12/14

6:30 am-5:39 pm

2 stops17h 09m

$629

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/18

2:21 pm-10:15 am

2 stops14h 54m

Belfast City

Sun 3/22

9:10 am-9:25 pm

2 stops17h 15m

$633

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/11

8:45 pm-1:55 pm

1 stop11h 10m

Belfast City

Tue 1/27

8:45 am-5:00 pm

1 stop14h 15m

$638

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 2/4

6:14 pm-4:50 pm

2 stops16h 36m

Belfast City

Mon 2/9

5:20 pm-5:29 pm

2 stops30h 09m

$650

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/11

4:33 pm-1:55 pm

2 stops15h 22m

Belfast City

Tue 1/27

10:00 am-6:45 pm

1 stop14h 45m

$656

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 12/7

4:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Sun 12/14

5:20 pm-2:20 pm

1 stop27h 00m

$675

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 12/7

5:34 pm-6:40 pm

2 stops19h 06m

Belfast City

Sun 12/14

9:10 am-7:21 am

2 stops28h 11m

$698

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 2/22

9:34 am-4:50 pm

2 stops25h 16m

Belfast City

Thu 2/26

5:20 pm-5:45 pm

2 stops30h 25m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 14 results
1
2

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 November 26, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% on flights from Chicago to Northern Ireland by exploring options for tickets in the morning.

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 November 26, 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
7,539 reviews

Crew

7.6

Comfort

6.7

Boarding

6.9

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews

Crew

7.6

Comfort

6.7

Boarding

6.9

Overall

6.7

Food

6.3

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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.

  • How long is the flight from Chicago to Northern Ireland?

    A quick flight from Chicago to Northern Ireland can take about 16h 36m. British Airways provides one of the quickest options available for as low as $650. Airlines will cover a distance of 3647 mi. This flight may include one or multiple stops.

  • 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.

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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$706FlexibilityNo cancel feeOn-time70%

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