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Cheap flights from Northern Ireland to Chicago from £533

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — CHI
1 May — 8 May1
1 adult

Cheap flight deals from Northern Ireland to Chicago

Keep the following information in mind while searching for Northern Ireland to Chicago flight deals. Data was last updated 26 April 2025.

Round-trip from

£533

Popular in

March

Cheapest in

September

Average price

£748
16/7-23/7
  • 16/7-23/7
  • 4 total stops
  • 63h 59m total
  • Northern Ireland to Chicago
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Northern Ireland to Chicago

Cheapest flights from Northern Ireland to Chicago
Explore the most affordable flight options available from Northern Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 April 2025.

Wed 16/717:05BFS - ORD
2 stops32h 24mMultiple Airlines
Wed 23/707:00ORD - BFS
2 stops31h 35mMultiple Airlines
Deal found 26/4£533
Wed 16/718:50BHD - ORD
2 stops30h 39mMultiple Airlines
Wed 23/707:00ORD - BHD
2 stops30h 40mMultiple Airlines
Deal found 26/4£610
Mon 26/506:30BHD - ORD
1 stop13h 40mVirgin Atlantic
Mon 2/617:15ORD - BHD
2 stops22h 00mVirgin Atlantic
Deal found 26/4£636
Sat 7/607:05BHD - ORD
2 stops15h 13mBritish Airways
Sat 14/617:45ORD - BHD
1 stop12h 30mBritish Airways
Deal found 25/4£639
Mon 26/506:30BHD - ORD
1 stop13h 40mKLM
Mon 2/616:20ORD - BHD
1 stop22h 55mKLM
Deal found 26/4£641
Sat 7/607:05BHD - ORD
1 stop13h 40mAmerican Airlines
Sat 14/620:30ORD - BHD
1 stop14h 45mAmerican Airlines
Deal found 26/4£723
Sat 7/606:30BHD - ORD
2 stops21h 01mDelta
Sat 14/615:55ORD - BHD
2 stops23h 20mDelta
Deal found 25/4£805

Cheapflights Fare Finder

Customise your flight search to find flights from Northern Ireland to Chicago 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 26 April 2025.
Use the filters below to find and compare flights from Northern Ireland to Chicago that are best for you.

Fly from

Northern Ireland

Fly to

Chicago

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 16/7

17:05-19:29

2 stops32h 24m

Chicago O'Hare Intl

Wed 23/7

07:00-20:35

2 stops31h 35m

£533

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 16/7

18:50-19:29

2 stops30h 39m

Chicago O'Hare Intl

Wed 23/7

07:00-19:40

2 stops30h 40m

£610

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 26/5

06:30-14:10

1 stop13h 40m

Chicago O'Hare Intl

Mon 2/6

17:15-21:15

2 stops22h 00m

£636

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

07:05-16:18

2 stops15h 13m

Chicago O'Hare Intl

Sat 14/6

17:45-12:15

1 stop12h 30m

£639

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 26/5

06:30-14:10

1 stop13h 40m

Chicago O'Hare Intl

Mon 2/6

16:20-21:15

1 stop22h 55m

£641

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

07:05-14:45

1 stop13h 40m

Chicago O'Hare Intl

Sat 14/6

20:30-17:15

1 stop14h 45m

£723

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

06:30-21:31

2 stops21h 01m

Chicago O'Hare Intl

Sat 14/6

15:55-21:15

2 stops23h 20m

£805

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

10:20-19:00

2 stops14h 40m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:30-14:10

1 stop13h 40m

£1,273

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Best time to book a flight from Northern Ireland to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Northern Ireland 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 Northern Ireland to Chicago

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 23.0 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 26 April 2025.
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Northern Ireland to Chicago that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Chicago.

  • Can I find deals for business class flights from Northern Ireland to Chicago?

    Yes. Cheapflights offers flight deals from Northern Ireland to Chicago 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 Northern Ireland to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Chicago (average of £595). Flying from Northern Ireland to Chicago in July is currently the most expensive (average of £843). 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 Northern Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Northern Ireland to Chicago

Discover the top airline that operate flights from Northern Ireland to Chicago. 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 858,174 searches. Data last updated 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£488Average£594FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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