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Cheap flights from Belfast to Chicago from £395

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CHI
29 Apr — 6 May1
1 adult

Cheap flight deals from Belfast to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 April 2025.

Round-trip from

£519

One-way from

£395

Popular in

March

Cheapest in

September

Average price

£748
KLM
  • KLM
  • 7/5-11/5
  • 3 total stops
  • 29h 40m total
  • Belfast to Chicago
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9/10
  • 9/10
  • 2 total stops
  • 22h 35m total
  • Belfast to Chicago
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£193 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Belfast to Chicago

Cheapest flights from Belfast to Chicago
Explore the most affordable flight options available from Belfast to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Wed 7/506:30BHD - ORD
1 stop14h 10mKLM
Sun 11/519:25ORD - BHD
2 stops15h 30mKLM
Deal found 24/4£519
Wed 7/506:30BHD - ORD
2 stops21h 44mDelta
Sun 11/519:25ORD - BHD
2 stops19h 50mDelta
Deal found 23/4£526
Mon 16/606:10BFS - ORD
2 stops21h 46mMultiple Airlines
Mon 23/608:40ORD - BFS
3 stops31h 50mMultiple Airlines
Deal found 24/4£579
Wed 7/506:50BHD - ORD
1 stop13h 50mBritish Airways
Sun 11/522:25ORD - BHD
1 stop13h 20mBritish Airways
Deal found 23/4£600
Wed 7/510:00BHD - ORD
1 stop14h 15mAmerican Airlines
Sun 11/520:30ORD - BHD
1 stop15h 15mAmerican Airlines
Deal found 23/4£616
Sat 7/609:35BHD - ORD
1 stop14h 40mIberia
Sat 14/617:10ORD - BHD
2 stops15h 55mIberia
Deal found 23/4£638
Sat 7/607:00BHD - ORD
2 stops22h 29mMultiple Airlines
Sat 14/610:50ORD - BHD
3 stops20h 55mMultiple Airlines
Deal found 23/4£671

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast 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 24 April 2025.
Use the filters below to find and compare flights from Belfast to Chicago that are best for you.

Fly from

Belfast

Fly to

Chicago

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/5

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Sun 11/5

19:25-16:55

2 stops15h 30m

£519

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/5

06:30-22:14

2 stops21h 44m

Chicago O'Hare Intl

Sun 11/5

19:25-21:15

2 stops19h 50m

£526

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 16/6

06:10-21:56

2 stops21h 46m

Chicago O'Hare Intl

Mon 23/6

08:40-22:30

3 stops31h 50m

£579

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/5

06:50-14:40

1 stop13h 50m

Chicago O'Hare Intl

Sun 11/5

22:25-17:45

1 stop13h 20m

£600

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/5

10:00-18:15

1 stop14h 15m

Chicago O'Hare Intl

Sun 11/5

20:30-17:45

1 stop15h 15m

£616

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Sat 14/6

17:10-15:05

2 stops15h 55m

£638

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

07:00-23:29

2 stops22h 29m

Chicago O'Hare Intl

Sat 14/6

10:50-13:45

3 stops20h 55m

£671

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 9/10

06:35-23:10

2 stops22h 35m

£395

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

10:20-19:00

2 stops14h 40m

£609

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/10

06:35-19:00

2 stops18h 25m

£654

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 12 results
1
2

Best time to book a flight from Belfast to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Belfast 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 Belfast 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 24 April 2025.
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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
7,919 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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
1,333 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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
1,068 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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
Iberia
7.0
Good
2,686 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

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 Belfast to Chicago. 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 flying from Belfast to Chicago round-trip?

    KLM, at £519, was found to be the cheapest airline from Belfast to Chicago.Alternate airlines flying return to your destination include Delta and British Airways. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Belfast to Chicago one-way?

    £609 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Delta, with prices starting from £781 and £1,272, respectively.

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

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

  • How can I find direct flights from Belfast to Chicago?

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 Belfast to Chicago?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Chicago (average of £595). Flying from Belfast 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to O'Hare Intl flights
Belfast City to O'Hare Intl flights

Top airline flying from Belfast to Chicago

Discover the top airline that operate flights from Belfast 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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£488Average£594FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to Chicago?

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Why should you use Cheapflights to find cheap flight tickets from Belfast to Chicago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast to Chicago.

Can Cheapflights find flights from Belfast to Chicago with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Chicago, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast to Chicago become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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