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£396+ Cheap flights to Chicago

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
— CHI
20 Nov — 27 Nov1
1 adult
1 adult, Economy

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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 October 2025.

Mon 17/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Mon 1/1219:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 19/10£396
Mon 3/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Fri 7/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 18/10£396
Wed 3/1206:50LTN - ORD
2 stops16h 30mMultiple Airlines
Wed 10/1218:30ORD - LTN
2 stops22h 35mMultiple Airlines
Deal found 19/10£396
Wed 3/1206:30STN - ORD
2 stops16h 50mMultiple Airlines
Wed 10/1218:30ORD - STN
2 stops14h 35mMultiple Airlines
Deal found 19/10£396
Sun 16/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sun 23/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 19/10£397
Thu 6/1116:00LGW - ORD
1 stop29h 25mTAP AIR PORTUGAL
Wed 12/1119:10ORD - LGW
1 stop13h 55mTAP AIR PORTUGAL
Deal found 18/10£398
Fri 7/1106:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Fri 28/1119:20ORD - LHR
2 stops17h 10mScandinavian Airlines
Deal found 19/10£399
Wed 19/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Wed 26/1119:20ORD - LHR
2 stops15h 05mScandinavian Airlines
Deal found 19/10£400
Fri 21/1106:10LGW - ORD
2 stops19h 55mMultiple Airlines
Sun 30/1118:50ORD - LGW
2 stops22h 20mMultiple Airlines
Deal found 19/10£401
Sat 22/1119:55LHR - ORD
1 stop24h 50mTAP AIR PORTUGAL
Sun 7/1220:25ORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Deal found 19/10£401
Sat 8/1106:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Sat 15/1119:20ORD - LHR
1 stop16h 20mScandinavian Airlines
Deal found 19/10£402
Thu 13/1116:30STN - ORD
2 stops30h 15mMultiple Airlines
Sun 23/1119:20ORD - STN
2 stops20h 00mMultiple Airlines
Deal found 20/10£402

Flights to Chicago in 2025

Find the latest flights to Chicago in 2025, 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 October 2025.

Return from

£396

One-way from

£397

Popular in

July

Cheapest in

February

Average price

£542

Good round-trip deal

£525 or less

Good one-way deal

£453 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 17/11-1/12
  • 2 total stops
  • 27h 05m total
  • London to Chicago
Search Deals
28/11
  • 28/11
  • 2 total stops
  • 30h 31m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£82 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 October 2025
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 October 2025.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 3/12

06:50-17:20

2 stops16h 30m

Chicago O'Hare Intl

Wed 10/12

18:30-23:05

2 stops22h 35m

£396

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 3/12

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

Wed 10/12

18:30-15:05

2 stops14h 35m

£396

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 13/11

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Sun 16/11

20:25-09:50

1 stop31h 25m

£405

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 7/11

07:05-16:45

2 stops15h 40m

Chicago O'Hare Intl

Mon 10/11

19:20-18:50

2 stops17h 30m

£407

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 21/11

21:45-16:45

2 stops25h 00m

Chicago O'Hare Intl

Sun 30/11

19:20-23:00

2 stops21h 40m

£408

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 13/11

08:30-14:00

1 stop11h 30m

Chicago O'Hare Intl

Fri 28/11

19:40-16:35

1 stop14h 55m

£411

LondonChicago

LTN - ORD

LTNORD

London Luton

Mon 24/11

08:50-17:55

1 stop15h 05m

Chicago O'Hare Intl

Mon 1/12

15:50-08:35

1 stop10h 45m

£412

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 4/11

08:30-16:00

1 stop13h 30m

Chicago O'Hare Intl

Tue 11/11

15:50-07:50

1 stop10h 00m

£412

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 17/11

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Thu 27/11

19:20-16:25

2 stops15h 05m

£414

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 3/12

21:05-16:45

2 stops25h 40m

Chicago O'Hare Intl

Wed 10/12

19:20-17:40

1 stop16h 20m

£423

Flights are sorted by cheapest return flights first.

Deals found on 19/10

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 17 October 2025.

The best time to book flights to Chicago is 88 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 12 hours 35 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.

When is the cheapest time to fly to Chicago?

Use this chart to determine the cheapest time to fly return from London to Chicago. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Chicago should consider flying on Thursday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday afternoons, when prices are usually at their highest.

Weekly flight availability to Chicago

The most flights from London to Chicago are scheduled on a Saturday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (41 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 Finnair.

British Airways
British Airways
From £355
Aer Lingus
Aer Lingus
From £341
Lufthansa
Lufthansa
From £393
Icelandair
Icelandair
From £312

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 October 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
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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
1,333 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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
1,348 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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
561 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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
7,506 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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
7,461 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Overall

7.6

Food

6.7

Entertainment

6.9

Boarding

7.6

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.

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 £23, while return flights cost around £80.

  • How much is a return flight to Chicago?

    A return flight to Chicago will typically cost around £127, however they can be found for as little as £108.

  • Where does the fastest flight to Chicago depart from?

    For those looking to save time traveling to Chicago, London 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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