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Cheap flights from Chicago to Northern Ireland from £246

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
4 Apr — 11 Apr1
1 adult

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 30 March 2025.

Round-trip from

£497

One-way from

£246

Popular in

May

Cheapest in

December

Average price

£653
Finnair
  • Finnair
  • 13/5-20/5
  • 2 total stops
  • 37h 25m total
  • Chicago to Northern Ireland
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9/8
  • 9/8
  • 2 total stops
  • 35h 55m total
  • Chicago to Northern Ireland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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 30 March 2025.

Tue 13/522:25ORD - BHD
1 stop13h 05mMultiple Airlines
Tue 20/520:20BHD - ORD
1 stop24h 20mMultiple Airlines
Deal found 28/3£497
Tue 22/416:50ORD - BHD
1 stop18h 05mVirgin Atlantic
Fri 2/506:30BHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 29/3£523
Tue 22/422:20ORD - BHD
1 stop13h 10mAmerican Airlines
Fri 2/509:30BHD - ORD
2 stops16h 31mAmerican Airlines
Deal found 29/3£527
Tue 22/413:23ORD - BHD
2 stops15h 12mBritish Airways
Fri 2/506:35BHD - ORD
2 stops17h 04mBritish Airways
Deal found 29/3£538
Tue 22/413:16MDW - BHD
2 stops21h 39mDelta
Fri 2/506:30BHD - MDW
2 stops16h 49mDelta
Deal found 29/3£555
Tue 13/507:47ORD - BFS
2 stops29h 38mMultiple Airlines
Tue 20/506:15BFS - ORD
3 stops46h 24mMultiple Airlines
Deal found 29/3£556
Tue 13/516:20ORD - BHD
1 stop22h 45mKLM
Tue 20/506:30BHD - ORD
2 stops16h 56mKLM
Deal found 28/3£577
Tue 13/514:15ORD - BHD
2 stops20h 40mDelta
Tue 20/506:30BHD - ORD
2 stops19h 51mDelta
Deal found 28/3£591
Mon 23/618:25MDW - BHD
2 stops18h 20mKLM
Mon 30/606:30BHD - MDW
2 stops17h 15mKLM
Deal found 29/3£786
Wed 2/415:45ORD - BHD
2 stops14h 55mAer Lingus
Fri 4/410:20BHD - ORD
2 stops14h 40mAer Lingus
Deal found 29/3£898
Fri 11/421:15ORD - BHD
1 stop30h 55mIberia
Fri 18/406:35BHD - ORD
1 stop13h 15mIberia
Deal found 30/3£2,213

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 30 March 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 13/5

22:25-17:30

1 stop13h 05m

Belfast City

Tue 20/5

20:20-14:40

1 stop24h 20m

£497

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 22/4

16:50-16:55

1 stop18h 05m

Belfast City

Fri 2/5

06:30-14:10

1 stop13h 40m

£523

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 22/4

22:20-17:30

1 stop13h 10m

Belfast City

Fri 2/5

09:30-20:01

2 stops16h 31m

£527

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 22/4

13:23-10:35

2 stops15h 12m

Belfast City

Fri 2/5

06:35-17:39

2 stops17h 04m

£538

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 22/4

13:16-16:55

2 stops21h 39m

Belfast City

Fri 2/5

06:30-17:19

2 stops16h 49m

£555

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 13/5

07:47-19:25

2 stops29h 38m

Belfast Intl

Tue 20/5

06:15-22:39

3 stops46h 24m

£556

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 13/5

16:20-21:05

1 stop22h 45m

Belfast City

Tue 20/5

06:30-17:26

2 stops16h 56m

£577

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 13/5

14:15-16:55

2 stops20h 40m

Belfast City

Tue 20/5

06:30-20:21

2 stops19h 51m

£591

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 23/6

18:25-18:45

2 stops18h 20m

Belfast City

Mon 30/6

06:30-17:45

2 stops17h 15m

£786

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 11/4

21:15-10:10

1 stop30h 55m

Belfast City

Fri 18/4

06:35-13:50

1 stop13h 15m

£2,213

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 18 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 return 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

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 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 30 March 2025.
To help decide which airline to fly from Chicago to Northern Ireland, see what other customers have to say about Delta, KLM and Virgin Atlantic. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,321 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
635 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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.
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £307. However, be on the lookout for offers from Aer Lingus and Delta, as they are both options that can get you from Chicago to Northern Ireland for a low price.

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

    The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast Intl.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of £67). Flying from Chicago to Northern Ireland in July is currently the most expensive (average of £90). 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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