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Northern Ireland

$427+ 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
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Round-trip from

$665
(Finnair)

One-way from

$427
(Cheapflightsfares)

Popular in

May

Cheapest in

September

Average price

$1,341
From Chicago (CHI) to Northern Ireland
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One-way flight from Chicago (CHI) to Northern Ireland
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Highest demand for flights based on searches. 26% potential increase in price ($339 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This Finnair deal was found by Cheapflights users on 4/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:45 pmORD - BHD
1 stop10h 50mFinnair
Tue 9/238:20 pmBHD - ORD
1 stop24h 30mFinnair
Deal found 4/17$665
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:20 pmORD - BHD
1 stop22h 45mVirgin Atlantic
Tue 5/205:25 pmBHD - ORD
1 stop27h 15mVirgin Atlantic
Deal found 4/17$670
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2710:20 pmORD - BHD
1 stop14h 25mAmerican Airlines
Tue 5/136:35 amBHD - ORD
1 stop15h 20mAmerican Airlines
Deal found 4/16$674
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:46 pmORD - BHD
2 stops18h 14mBritish Airways
Tue 9/236:15 pmBHD - ORD
2 stops27h 59mBritish Airways
Deal found 4/17$679
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 4/274:20 pmORD - BHD
1 stop22h 55mDelta
Tue 5/136:30 amBHD - ORD
1 stop13h 40mDelta
Deal found 4/16$684
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:25 pmMDW - BHD
2 stops20h 40mDelta
Tue 5/206:30 amBHD - MDW
2 stops20h 57mDelta
Deal found 4/17$725
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/319:35 amORD - BFS
2 stops30h 55mMultiple Airlines
Sat 6/75:45 amBFS - ORD
3 stops34h 07mMultiple Airlines
Deal found 4/15$730
This KLM deal was found by Cheapflights users on 4/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:50 pmORD - BHD
1 stop22h 25mKLM
Sun 8/246:30 amBHD - ORD
1 stop13h 40mKLM
Deal found 4/16$751
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sat 5/3112:00 pmORD - BHD
2 stops27h 10mMultiple Airlines
Sat 6/76:55 amBHD - ORD
3 stops32h 57mMultiple Airlines
Deal found 4/16$793
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:40 pmORD - BHD
2 stops15h 40mAer Lingus
Mon 12/16:00 pmBHD - ORD
2 stops26h 00mAer Lingus
Deal found 4/17$994
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Tue 4/2911:15 amMDW - BFS
3 stops27h 20mMultiple Airlines
Fri 5/26:05 amBFS - MDW
3 stops38h 17mMultiple Airlines
Deal found 4/16$1,585
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/209:15 pmORD - BHD
1 stop14h 30mIberia
Wed 4/236:50 amBHD - ORD
1 stop17h 25mIberia
Deal found 4/16$1,946

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 April 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

Tue 9/9

5:45 pm-10:35 am

1 stop10h 50m

Belfast City

Tue 9/23

8:20 pm-2:50 pm

1 stop24h 30m

$665

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 5/13

4:20 pm-9:05 pm

1 stop22h 45m

Belfast City

Tue 5/20

5:25 pm-2:40 pm

1 stop27h 15m

$670

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 4/27

10:20 pm-6:45 pm

1 stop14h 25m

Belfast City

Tue 5/13

6:35 am-3:55 pm

1 stop15h 20m

$674

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/9

12:46 pm-1:00 pm

2 stops18h 14m

Belfast City

Tue 9/23

6:15 pm-4:14 pm

2 stops27h 59m

$679

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 4/27

4:20 pm-9:15 pm

1 stop22h 55m

Belfast City

Tue 5/13

6:30 am-2:10 pm

1 stop13h 40m

$684

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 5/13

6:25 pm-9:05 pm

2 stops20h 40m

Belfast City

Tue 5/20

6:30 am-9:27 pm

2 stops20h 57m

$725

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 5/31

9:35 am-10:30 pm

2 stops30h 55m

Belfast Intl

Sat 6/7

5:45 am-9:52 am

3 stops34h 07m

$730

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 8/13

4:50 pm-9:15 pm

1 stop22h 25m

Belfast City

Sun 8/24

6:30 am-2:10 pm

1 stop13h 40m

$751

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 5/31

12:00 pm-9:10 pm

2 stops27h 10m

Belfast City

Sat 6/7

6:55 am-9:52 am

3 stops32h 57m

$793

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/13

3:45 pm-12:50 pm

2 stops15h 05m

Belfast City

Sat 7/19

6:45 pm-7:00 pm

2 stops30h 15m

$1,305

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 16 results
1
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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 April 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.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 17, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Chicago to Northern Ireland have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $427. KLM flights start at $428 while deals on Delta start at $433 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$724FlexibilityNo cancel feeOn-time70%

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