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Northern Ireland

$322+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$632
(British Airways)

One-way from

$322
(Kiwi.com)
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 September 17, 2025.

This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:45 pmORD - BHD
1 stop13h 30mBritish Airways
Tue 12/910:00 amBHD - ORD
1 stop14h 45mBritish Airways
Deal found 9/14$632
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:10 pmORD - BHD
1 stop19h 40mBritish Airways
Mon 11/102:50 pmBHD - ORD
1 stop29h 00mBritish Airways
Deal found 9/14$641
This Virgin Atlantic deal was found by Cheapflights users on 9/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:15 pmORD - BHD
1 stop18h 40mVirgin Atlantic
Tue 10/76:30 amBHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 9/16$682
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:45 pmORD - BHD
2 stops19h 05mDelta
Tue 12/95:20 pmBHD - ORD
1 stop27h 00mDelta
Deal found 9/16$687
This British Airways deal was found by Cheapflights users on 9/15. 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.
Fri 10/316:10 pmORD - BHD
1 stop11h 20mBritish Airways
Mon 11/102:50 pmBHD - ORD
1 stop33h 55mBritish Airways
Deal found 9/15$697
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:23 pmMDW - BHD
2 stops20h 52mDelta
Tue 10/216:30 amBHD - MDW
2 stops17h 55mDelta
Deal found 9/16$697
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:15 pmORD - BHD
1 stop23h 00mDelta
Tue 10/76:30 amBHD - ORD
1 stop13h 40mDelta
Deal found 9/14$722
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Fri 10/319:15 pmORD - BFS
3 stops20h 30mMultiple Airlines
Mon 11/1010:20 pmBFS - ORD
3 stops46h 40mMultiple Airlines
Deal found 9/14$726
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:15 pmORD - BHD
1 stop18h 40mMultiple Airlines
Wed 10/16:30 amBHD - ORD
2 stops15h 50mMultiple Airlines
Deal found 9/15$732
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Fri 10/319:15 pmORD - BFS
3 stops20h 30mMultiple Airlines
Fri 11/79:30 pmBFS - ORD
3 stops47h 15mMultiple Airlines
Deal found 9/16$733
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:20 amMDW - BHD
2 stops29h 55mDelta
Tue 10/76:30 amBHD - MDW
2 stops17h 55mDelta
Deal found 9/15$736
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/45:40 pmORD - BHD
1 stop10h 30mAmerican Airlines
Sat 10/117:05 amBHD - ORD
2 stops16h 31mAmerican Airlines
Deal found 9/17$740

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 September 17, 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

Fri 12/5

9:45 pm-5:15 pm

1 stop13h 30m

Belfast City

Tue 12/9

10:00 am-6:45 pm

1 stop14h 45m

$632

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-4:55 pm

1 stop18h 40m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$682

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 12/5

4:25 pm-4:50 pm

1 stop18h 25m

Belfast City

Tue 12/9

5:20 pm-2:20 pm

1 stop27h 00m

$682

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/31

6:10 pm-10:30 am

1 stop11h 20m

Belfast City

Mon 11/10

2:50 pm-6:45 pm

1 stop33h 55m

$697

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 10/17

6:23 pm-9:15 pm

2 stops20h 52m

Belfast City

Tue 10/21

6:30 am-6:25 pm

2 stops17h 55m

$697

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-9:15 pm

1 stop23h 00m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$722

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 10/31

9:15 pm-10:45 pm

3 stops20h 30m

Belfast Intl

Mon 11/10

10:20 pm-3:00 pm

3 stops46h 40m

$726

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 10/31

9:15 pm-10:45 pm

3 stops20h 30m

Belfast Intl

Fri 11/7

9:30 pm-2:45 pm

3 stops47h 15m

$733

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 10/3

9:20 am-9:15 pm

2 stops29h 55m

Belfast City

Tue 10/7

6:30 am-6:25 pm

2 stops17h 55m

$736

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 10/4

5:40 pm-10:10 am

1 stop10h 30m

Belfast City

Sat 10/11

7:05 am-5:36 pm

2 stops16h 31m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 53 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 September 17, 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 September 17, 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
7,367 reviews

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Crew

7.6

Boarding

6.9

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
7,367 reviews
British Airways
6.7
Okay
7,367 reviews

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Crew

7.6

Boarding

6.9

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 13h 30m. British Airways provides one of the quickest options available for as low as $632. Airlines will cover a distance of 3644 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.

  • 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$720FlexibilityNo cancel feeOn-time70%

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