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£412+ Direct flights to Chicago

This is the cheapest price on a non-stop flight to Chicago found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Chicago

Enter your travel dates to find the best prices.

Cheapest flights to Chicago
Explore the most affordable flight options available to Chicago. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2025.

Wed 14/112:35LHR - ORD
Nonstop8h 50mFinnair
Wed 28/120:45ORD - LHR
Nonstop7h 40mFinnair
Deal found 20/11£495
Mon 16/214:10LHR - ORD
Nonstop8h 50mFinnair
Tue 24/218:45ORD - LHR
Nonstop7h 50mFinnair
Deal found 19/11£497
Wed 4/314:10LHR - ORD
Nonstop8h 50mBritish Airways
Mon 9/322:45ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 19/11£502
Mon 12/110:25LHR - ORD
Nonstop9h 20mAustrian Airlines
Mon 26/121:05ORD - LHR
Nonstop8h 10mAustrian Airlines
Deal found 20/11£503
Mon 16/212:35LHR - ORD
Nonstop8h 50mBritish Airways
Mon 23/217:10ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 19/11£503
Tue 14/414:25LHR - ORD
Nonstop8h 35mFinnair
Tue 28/417:40ORD - LHR
Nonstop7h 40mFinnair
Deal found 19/11£509
Mon 13/411:10LHR - ORD
Nonstop8h 40mBritish Airways
Mon 27/416:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 18/11£514
Tue 6/112:35LHR - ORD
Nonstop8h 50mBritish Airways
Mon 4/517:00ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 19/11£516
Mon 2/315:45LHR - ORD
Nonstop9h 00mBritish Airways
Tue 10/322:45ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 18/11£519
Tue 3/310:25LHR - ORD
Nonstop9h 20mUnited Airlines
Mon 16/322:05ORD - LHR
Nonstop8h 10mUnited Airlines
Deal found 19/11£519
Wed 4/314:10LHR - ORD
Nonstop8h 50mAmerican Airlines
Tue 10/318:10ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 18/11£520

Best time to book a flight to Chicago

Have a flexible travel schedule? Discover the best time to fly to 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 Fare Finder

 
Use the slider to find non-stop flights to Chicago within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 21 November 2025.
Use the filters below to find and compare direct flights to Chicago that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 17/3

13:35-18:00

Nonstop9h 25m

Chicago O'Hare Intl

Tue 24/3

16:45-05:55

Nonstop8h 10m

£518

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 18/3

10:25-14:45

Nonstop9h 20m

Chicago O'Hare Intl

Tue 24/3

16:45-05:55

Nonstop8h 10m

£518

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 16/3

07:55-12:15

Nonstop9h 20m

Chicago O'Hare Intl

Wed 25/3

16:45-05:55

Nonstop8h 10m

£518

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 17/3

13:35-18:00

Nonstop9h 25m

Chicago O'Hare Intl

Wed 25/3

16:45-05:55

Nonstop8h 10m

£518

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 23/12

10:25-13:45

Nonstop9h 20m

Chicago O'Hare Intl

Thu 22/1

17:50-07:55

Nonstop8h 05m

£535

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/2

07:25-10:45

Nonstop9h 20m

Chicago O'Hare Intl

Sun 8/2

17:50-07:55

Nonstop8h 05m

£547

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 8/1

07:40-11:00

Nonstop9h 20m

Chicago O'Hare Intl

Tue 13/1

17:50-07:55

Nonstop8h 05m

£548

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 8/1

13:35-17:00

Nonstop9h 25m

Chicago O'Hare Intl

Thu 15/1

15:45-05:55

Nonstop8h 10m

£548

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 22/12

07:55-11:15

Nonstop9h 20m

Chicago O'Hare Intl

Thu 1/1

17:50-07:55

Nonstop8h 05m

£555

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 21/12

07:40-11:00

Nonstop9h 20m

Chicago O'Hare Intl

Thu 22/1

17:50-07:55

Nonstop8h 05m

£565

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 23 results
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Reviews of airlines flying non-stop to Chicago

Get insights into the airlines that provide direct flights 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 21 November 2025.
Read through reviews of airlines serving the United States, such as Finnair, Aer Lingus, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Aer Lingus
7.2
Good
1,377 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.0
Good
581 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,579 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,534 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Temperature and rainfall in Chicago by month

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

CHI

Temperature

-5 - 23 °C

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).

FAQ about direct flights to Chicago

Find answers to frequently asked questions about direct flights to Chicago to unlock the best deals on Cheapflights.

  • How much are direct flights to Chicago?

    On average, a one-way direct flight to Chicago will cost users approximately £1,256. If you're looking for a direct return flight to Chicago, you can expect to pay around £1,338.

  • Which airlines fly direct to Chicago?

    At the moment, British Airways, Aer Lingus, Lufthansa, Icelandair, Finnair, United Airlines, Virgin Atlantic, Scandinavian Airlines, Austrian Airlines, Iberia offer direct flights to Chicago. British Airways is currently the most popular airline that flies direct to Chicago.

  • What is the best time of year to fly direct to Chicago?

    If you're seeking the lowest price on a direct flight to Chicago, September is worth consideration, as prices are usually at their lowest, on average. February may be most appealing to users looking for the quietest time to visit Chicago, when demand is typically at its lowest.

  • What is the most popular direct flight origin to Chicago?

    Currently, the most popular direct flight origin to Chicago is London Heathrow Airport. A return direct flight from London Heathrow Airport to Chicago typically costs around £1,289.

See more FAQs

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