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Northern Ireland

$289+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$633
(American Airlines)

One-way from

$289
(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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 9/95:40 pmORD - BHD
1 stop13h 20mAmerican Airlines
Tue 9/164:25 pmBHD - ORD
1 stop25h 25mAmerican Airlines
Deal found 7/2$633
This Gurufare deal was found by Cheapflights users on 7/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:40 pmORD - BHD
1 stop10h 55mBritish Airways
Tue 9/168:20 pmBHD - ORD
2 stops25h 25mBritish Airways
Deal found 7/2$647
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 8/143:45 pmORD - BFS
2 stops18h 55mMultiple Airlines
Thu 8/217:10 amBFS - ORD
2 stops17h 50mMultiple Airlines
Deal found 6/30$725
This KLM deal was found by Cheapflights users on 7/2. 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.
Tue 9/97:17 pmMDW - BHD
2 stops15h 38mKLM
Tue 9/166:30 amBHD - MDW
2 stops17h 05mKLM
Deal found 7/2$725
This KLM deal was found by Cheapflights users on 6/30. 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.
Thu 8/144:20 pmORD - BHD
1 stop18h 35mKLM
Thu 8/216:30 amBHD - ORD
2 stops15h 43mKLM
Deal found 6/30$766
This Virgin Atlantic deal was found by Cheapflights users on 7/1. 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 10/34:20 pmORD - BHD
1 stop22h 55mVirgin Atlantic
Tue 10/76:30 amBHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 7/1$769
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 8/137:17 pmMDW - BHD
2 stops19h 58mDelta
Sun 8/246:30 amBHD - MDW
2 stops21h 14mDelta
Deal found 6/30$775
This Delta deal was found by Cheapflights users on 7/1. 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 10/36:49 pmORD - BHD
2 stops20h 26mDelta
Tue 10/76:30 amBHD - ORD
2 stops21h 22mDelta
Deal found 7/1$784
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 8/143:45 pmORD - BHD
2 stops19h 35mAer Lingus
Thu 8/2111:00 amBHD - ORD
2 stops14h 00mAer Lingus
Deal found 6/30$814
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Thu 8/149:40 pmORD - BHD
2 stops17h 15mMultiple Airlines
Thu 8/213:15 pmBHD - ORD
2 stops30h 40mMultiple Airlines
Deal found 6/30$892
This Mytrip deal was found by Cheapflights users on 6/30. 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 7/189:40 amMDW - BHD
3 stops22h 00mMultiple Airlines
Tue 7/296:50 pmBHD - MDW
3 stops43h 55mMultiple Airlines
Deal found 6/30$1,594

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 July 2, 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 9/9

5:40 pm-1:00 pm

1 stop13h 20m

Belfast City

Tue 9/16

4:25 pm-11:50 am

1 stop25h 25m

$633

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/9

5:40 pm-10:35 am

1 stop10h 55m

Belfast City

Tue 9/16

8:20 pm-3:45 pm

2 stops25h 25m

$647

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 8/14

3:45 pm-4:40 pm

2 stops18h 55m

Belfast Intl

Thu 8/21

7:10 am-7:00 pm

2 stops17h 50m

$725

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 9/9

7:17 pm-4:55 pm

2 stops15h 38m

Belfast City

Tue 9/16

6:30 am-5:35 pm

2 stops17h 05m

$725

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 8/14

4:20 pm-4:55 pm

1 stop18h 35m

Belfast City

Thu 8/21

6:30 am-4:13 pm

2 stops15h 43m

$766

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:20 pm-9:15 pm

1 stop22h 55m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$769

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

6:49 pm-9:15 pm

2 stops20h 26m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$774

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 8/13

7:17 pm-9:15 pm

2 stops19h 58m

Belfast City

Sun 8/24

6:30 am-9:44 pm

2 stops21h 14m

$775

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 8/14

3:45 pm-5:20 pm

2 stops19h 35m

Belfast City

Thu 8/21

11:00 am-7:00 pm

2 stops14h 00m

$814

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 8/14

9:40 pm-8:55 pm

2 stops17h 15m

Belfast City

Thu 8/21

3:15 pm-3:55 pm

2 stops30h 40m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 20 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 July 2, 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 July 2, 2025.
See what other customers who have flown with Delta, KLM, and Virgin Atlantic 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.
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,140 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 British Airways, which is currently one of the cheapest options available, starting at $376. American Airlines flights start at $431 while deals on Delta start at $434 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 Intl 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$720FlexibilityNo cancel feeOn-time70%

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