Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast to Chicago from £612

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CHI
5 May — 12 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 30 April 2025.

Round-trip from

£635

One-way from

£612

Popular in

March

Cheapest in

September

Average price

£742
British Airways
  • British Airways
  • 7/6-14/6
  • 2 total stops
  • 26h 10m total
  • Belfast to Chicago
Search Deals
Aer Lingus
  • Aer Lingus
  • 16/5
  • 2 total stops
  • 18h 15m total
  • Belfast to Chicago
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£190 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 30 April 2025.

Sat 7/607:05BHD - ORD
1 stop13h 40mBritish Airways
Sat 14/617:45ORD - BHD
1 stop12h 30mBritish Airways
Deal found 30/4£635
Sat 7/606:30BHD - ORD
2 stops18h 44mVirgin Atlantic
Sat 14/617:37ORD - BHD
2 stops21h 38mVirgin Atlantic
Deal found 30/4£641
Fri 13/606:05BFS - ORD
2 stops21h 10mMultiple Airlines
Fri 20/619:25ORD - BFS
2 stops18h 40mMultiple Airlines
Deal found 29/4£687
Sat 7/606:30BHD - ORD
2 stops18h 44mDelta
Sat 14/617:37ORD - BHD
2 stops21h 38mDelta
Deal found 29/4£711
Sat 7/607:05BHD - ORD
1 stop13h 40mAmerican Airlines
Sat 14/617:45ORD - BHD
1 stop10h 25mAmerican Airlines
Deal found 29/4£720

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 30 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

Sat 7/6

07:05-14:45

1 stop13h 40m

Chicago O'Hare Intl

Sat 14/6

17:45-12:15

1 stop12h 30m

£635

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

06:30-19:14

2 stops18h 44m

Chicago O'Hare Intl

Sat 14/6

17:37-21:15

2 stops21h 38m

£641

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 13/6

06:05-21:15

2 stops21h 10m

Chicago O'Hare Intl

Fri 20/6

19:25-20:05

2 stops18h 40m

£687

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

06:30-19:14

2 stops18h 44m

Chicago O'Hare Intl

Sat 14/6

17:37-21:15

2 stops21h 38m

£711

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 7/6

07:05-14:45

1 stop13h 40m

Chicago O'Hare Intl

Sat 14/6

17:45-10:10

1 stop10h 25m

£720

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:45-19:00

2 stops18h 15m

£612

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/8

14:30-21:15

3 stops36h 45m

£884

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:30-14:10

1 stop13h 40m

£1,263

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:30-14:10

1 stop13h 40m

£1,273

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 6/8

11:30-18:15

1 stop12h 45m

£2,203

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 11 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 30 April 2025.
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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
1,076 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

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?

    British Airways, at £635, was found to be the cheapest airline from Belfast to Chicago.Alternate airlines flying return to your destination include Delta and Virgin Atlantic. These flights start at 10% lower than the current average price 3 months from now.

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

    £612 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 KLM and Delta, with prices starting from £1,263 and £1,273, 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£484Average£590FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from Belfast today with Cheapflights!

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights