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£352+ Cheap flights to Chicago

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
20 févr. — 27 févr.1
1 adult
1 adult, Economy, 0 bags

Flights to Chicago in 2026

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 janvier 2026.

jeu. 17/915:40
LGW
-
ORD
1 stop32h 35m
Icelandair
mer. 30/922:25
ORD
-
LGW
1 stop10h 15m
Icelandair
Deal found 20/1£396
dim. 19/413:25
LHR
-
ORD
1 stop11h 50m
British Airways
dim. 17/521:00
ORD
-
LHR
1 stop10h 30m
British Airways
Deal found 20/1£396
mer. 28/107:50
LHR
-
ORD
2 stops18h 14m
British Airways
lun. 2/221:00
ORD
-
LHR
1 stop16h 50m
British Airways
Deal found 20/1£397
sam. 24/116:35
LGW
-
ORD
1 stop28h 10m
TAP AIR PORTUGAL
ven. 6/220:15
ORD
-
LGW
1 stop13h 30m
TAP AIR PORTUGAL
Deal found 20/1£398
jeu. 5/212:10
LHR
-
ORD
1 stop13h 05m
British Airways
jeu. 12/220:35
ORD
-
LHR
Nonstop7h 50m
British Airways
Deal found 18/1£398
sam. 7/206:40
LHR
-
ORD
2 stops16h 05m
Scandinavian Airlines
dim. 22/219:10
ORD
-
LHR
2 stops15h 15m
Scandinavian Airlines
Deal found 18/1£399
sam. 7/212:50
LHR
-
ORD
1 stop12h 25m
British Airways
dim. 22/221:00
ORD
-
LHR
1 stop16h 50m
British Airways
Deal found 20/1£399
dim. 1/313:00
LGW
-
ORD
1 stop30h 03m
Multiple Airlines
dim. 15/305:01
ORD
-
LGW
2 stops43h 59m
Multiple Airlines
Deal found 20/1£400
sam. 7/212:50
LHR
-
ORD
1 stop12h 25m
British Airways
sam. 14/218:30
ORD
-
LHR
Nonstop7h 45m
British Airways
Deal found 20/1£400
lun. 2/211:55
LGW
-
ORD
1 stop11h 25m
Icelandair
lun. 2/318:30
ORD
-
LGW
1 stop10h 25m
Icelandair
Deal found 19/1£401
mer. 4/312:15
LHR
-
ORD
1 stop11h 05m
Icelandair
mar. 10/319:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Deal found 19/1£401
jeu. 17/915:40
LGW
-
ORD
1 stop32h 35m
Icelandair
mar. 29/919:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Deal found 20/1£402

Find flight deals to Chicago

Find the latest flights to Chicago in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 janvier 2026.

Return from

£396

One-way from

£352

Popular in

July

Cheapest in

February

Average price

£464

Good round-trip deal

£495 or less

Good one-way deal

£448 or less
British Airways
  • British Airways
  • 19/4-17/5
  • 2 total stops
  • 22h 20m total
  • London to Chicago
Search Deals
15/3
  • 15/3
  • 2 total stops
  • 25h 34m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
Search Deals
Price to beat on a round-trip flight from London to Chicago.
Search Deals
Price to beat on a one-way flight from London to Chicago.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Chicago that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 janvier 2026.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer. 4/2

09:50-19:15

1 stop15h 25m

Chicago O'Hare Intl

jeu. 5/3

16:10-08:40

1 stop10h 30m

£399

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer. 4/2

09:50-19:15

1 stop15h 25m

Chicago O'Hare Intl

sam. 28/2

15:19-09:40

1 stop12h 21m

£399

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sam. 7/2

12:50-19:15

1 stop12h 25m

Chicago O'Hare Intl

dim. 22/2

20:35-10:25

Nonstop7h 50m

£399

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mar. 3/3

12:10-19:15

1 stop13h 05m

Chicago O'Hare Intl

dim. 15/3

16:21-08:10

1 stop10h 49m

£400

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sam. 7/2

09:50-19:15

1 stop15h 25m

Chicago O'Hare Intl

sam. 14/2

16:49-11:40

1 stop12h 51m

£400

LondonChicago

LHR - ORD

LHRORD

London Heathrow

lun. 2/3

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

dim. 8/3

19:40-08:35

Nonstop7h 55m

£400

LondonChicago

LGW - ORD

LGWORD

London Gatwick

mar. 3/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

mer. 18/3

19:30-10:55

1 stop10h 25m

£401

LondonChicago

LGW - ORD

LGWORD

London Gatwick

mer. 4/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

mer. 11/3

19:30-10:55

1 stop10h 25m

£401

LondonChicago

LGW - ORD

LGWORD

London Gatwick

lun. 2/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

mar. 10/3

19:30-10:55

1 stop10h 25m

£401

LondonChicago

LGW - ORD

LGWORD

London Gatwick

lun. 2/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

lun. 2/3

18:30-10:55

1 stop10h 25m

£401

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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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 Insights

Everything you need to know about your flight to Chicago

When is the best time to book a flight to Chicago?

Use this chart to determine the optimal time to book a return flight from London to Chicago. Price data was last updated on 16 January 2026.

The best time to book flights to Chicago is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Chicago?

On average, a flight from London to Chicago takes 13 hours 50 minutes. Flights to Chicago from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Chicago

The most flights from London to Chicago are scheduled on a Tuesday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

What are the most popular airlines that fly to Chicago?

The most popular airlines flying from London to Chicago are British Airways, Lufthansa and Icelandair.

British Airways
British Airways
From £378
Aer Lingus
Aer Lingus
From £341
Icelandair
Icelandair
From £286
Lufthansa
Lufthansa
From £286

What are the cheapest airlines that fly to Chicago?

The cheapest airlines flying from London to Chicago are Icelandair, Virgin Atlantic and Scandinavian Airlines.

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 21 janvier 2026.
Read through reviews of airlines serving the United States, such as Finnair, United Airlines, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,351 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,188 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Icelandair
7.1
Good
602 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
7,736 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,690 reviews
Finnair
7.6
Good
1,351 reviews
Check prices

Boarding

7.7

Crew

8.2

Food

6.7

Overall

7.6

Comfort

7.4

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

FAQs about flying to Chicago

  • Can I find cheaper flights to Chicago if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Chicago on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Chicago?

    Based on reviews from Cheapflights users, Icelandair is rated the highest out of the airlines that fly to Chicago.

  • What is the cheapest airport to fly to in Chicago?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in Chicago. One-way flights to Chicago O'Hare Intl typically cost £22, while return flights cost around £38.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around £40, however they can be found for as little as £38.

  • Where does the fastest flight to Chicago depart from?

    For those looking to save time traveling to Chicago, Edinburgh Turnhouse offers the quickest one-way flight (8 hours 35 minutes).

  • Which airport is closest to National Museum of Mexican Art?

    f being close to National Museum of Mexican Art is important to you, you’ll want to land at Chicago O'Hare Intl Airport.

  • Does Chicago O'Hare Intl have car hire?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 mi away from Chicago O'Hare Intl).

See more FAQs

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