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£432+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
4 Jul — 11 Jul1
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 4 June 2026.

Sat 19/913:05
LHR
-
ORD
1 stop11h 10m
Icelandair
Tue 22/919:25
ORD
-
LHR
1 stop18h 55m
Icelandair
Deal found 31/5£530
Fri 9/1015:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Sat 17/1019:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Deal found 2/6£532
Mon 24/821:30
LGW
-
ORD
2 stops25h 27m
Multiple Airlines
Sun 30/822:25
ORD
-
LGW
1 stop31h 20m
Multiple Airlines
Deal found 1/6£533
Tue 18/806:30
STN
-
ORD
3 stops19h 35m
Multiple Airlines
Tue 1/915:45
ORD
-
STN
2 stops24h 55m
Multiple Airlines
Deal found 31/5£533
Sat 6/614:00
LGW
-
ORD
1 stop15h 13m
Multiple Airlines
Mon 13/710:16
ORD
-
LGW
1 stop17h 44m
Multiple Airlines
Deal found 31/5£534
Thu 29/1010:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Mon 2/1119:15
ORD
-
LHR
1 stop20h 25m
Scandinavian Airlines
Deal found 30/5£534
Wed 1/722:00
LGW
-
ORD
2 stops24h 57m
Multiple Airlines
Sun 12/722:25
ORD
-
LGW
1 stop31h 20m
Multiple Airlines
Deal found 1/6£536
Wed 11/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Tue 17/1119:15
ORD
-
LHR
1 stop20h 25m
Scandinavian Airlines
Deal found 2/6£536
Tue 15/916:25
LGW
-
ORD
1 stop29h 35m
TAP AIR PORTUGAL
Wed 23/918:00
ORD
-
LGW
2 stops20h 30m
TAP AIR PORTUGAL
Deal found 31/5£536
Wed 11/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Wed 18/1119:15
ORD
-
LHR
1 stop14h 45m
Scandinavian Airlines
Deal found 1/6£536
Sat 29/806:35
STN
-
ORD
3 stops19h 30m
Multiple Airlines
Sat 5/919:25
ORD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 1/6£536
Sat 31/1006:40
LHR
-
ORD
2 stops16h 05m
Scandinavian Airlines
Wed 4/1119:15
ORD
-
LHR
2 stops17h 35m
Scandinavian Airlines
Deal found 30/5£537

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 4 June 2026.

Return from

£530

One-way from

£432

Popular in

July

Cheapest in

February

Average price

£566

Good round-trip deal

£696 or less

Good one-way deal

£575 or less
Icelandair
  • Icelandair
  • 19/9-22/9
  • 2 total stops
  • 30h 05m total
  • London to Chicago
Search Deals
JetBlue
  • JetBlue
  • 6/7
  • 1 total stop
  • 13h 11m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 4 June 2026.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 10/10

16:30-16:00

1 stop29h 30m

Chicago O'Hare Intl

Thu 15/10

18:00-09:45

1 stop33h 45m

£572

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 27/8

12:20-19:25

1 stop13h 05m

Chicago O'Hare Intl

Sat 5/9

13:55-09:35

1 stop13h 40m

£581

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 27/8

18:45-16:00

1 stop27h 15m

Chicago O'Hare Intl

Sat 5/9

18:05-22:55

1 stop22h 50m

£600

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 8/10

08:25-19:50

1 stop17h 25m

Chicago O'Hare Intl

Tue 13/10

21:50-19:05

1 stop15h 15m

£606

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 2/9

08:25-19:50

1 stop17h 25m

Chicago O'Hare Intl

Fri 2/10

21:50-19:05

1 stop15h 15m

£607

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 29/6

11:35-09:40

2 stops28h 05m

Chicago Midway

Sun 5/7

10:25-07:55

2 stops15h 30m

£609

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 9/9

06:40-22:06

2 stops21h 26m

Chicago O'Hare Intl

Wed 23/9

19:15-16:25

2 stops15h 10m

£611

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Thu 2/7

09:45-09:40

2 stops53h 55m

Chicago Midway

Thu 9/7

15:20-10:45

1 stop13h 25m

£615

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Tue 30/6

11:35-09:40

2 stops28h 05m

Chicago Midway

Tue 7/7

10:25-09:50

2 stops17h 25m

£621

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 16/9

10:25-21:37

2 stops17h 12m

Chicago O'Hare Intl

Wed 23/9

17:53-16:00

2 stops16h 07m

£642

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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

How long is the flight to Chicago?

On average, a flight from London to Chicago takes 12 hours 38 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 Wednesday (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (49 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 £402
Aer Lingus
Aer Lingus
From £341
Icelandair
Icelandair
From £203
Lufthansa
Lufthansa
From £399

What are the cheapest airlines that fly to Chicago?

The cheapest airlines flying from London to Chicago are Virgin Atlantic, Icelandair and Aer Lingus.

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).

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

The best time to book flights to Chicago is 31 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.

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 4 June 2026.
Read through reviews of airlines serving the United States, such as United Airlines,Aer Lingus, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,774 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Aer Lingus
7.3
Good
1,594 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Icelandair
7.0
Good
665 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Lufthansa
6.8
Okay
8,036 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
British Airways
6.7
Okay
8,026 reviews
United Airlines
7.4
Good
9,774 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

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, Ryanair 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 £42, while return flights cost around £73.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around £291, however they can be found for as little as £73.

  • 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 30 minutes).

  • 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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