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Flights London — Chicago

London
LON
Chicago
CHI

Cheap flights London — Chicago

Below you can see the best deals on flights London — Chicago for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 21 August, from AED 1,951.

Top 10 cheap flights London — Chicago

Direct flights London — Chicago

Direct flight options for London — Chicago with no stopovers on upcoming dates. A direct flight is faster and more convenient — especially when travelling with luggage or children.

The fastest direct flight is operated by Lufthansa — travel time is 6 h.

Top 10 direct flights London — Chicago

About the London — Chicago flight

On this page, you can find and book flights from London to Chicago. The direct distance between the cities is approximately 6,371 km, and flight frequency reaches 74 flights per week, making it easy to find a convenient departure time.

Flights on this route are operated by major carriers, including United Airlines, American Airlines, and British Airways. Ticket prices are dynamic, so we recommend using the price chart and low-fare calendar on this page to find the best deals. If you haven't decided how to get to the departure airport yet, take a look at our practical tips.

Flight schedule London — Chicago

The table shows direct flights London → Chicago on the selected date. The flight takes approximately 8 h 40 min. Regular flights are operated by American Airlines, British Airways, United Airlines and Aer Lingus. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport airports, arrivals at O'Hare International Airport, Chicago Midway International Airport and Midway International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

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Flight ticket prices by day: London — Chicago

Below is a calendar of the lowest flight ticket prices for London — Chicago by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,666 in F, and the most expensive are around AED 2,120 in u. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

London → Chicago, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
JanAED 2,818lowMayAED 3,321mediumSepAED 3,120medium
FebAED 2,768lowJunAED 3,774highOctAED 3,522high
MarAED 3,019mediumJulAED 4,126highNovAED 2,868low
AprAED 3,170mediumAugAED 3,925highDecAED 3,724high

Some values are estimated based on seasonality.

When to fly

The warmest months to visit Chicago are July and August, when average temperatures reach 26.5°C. The coldest period is January and February, with lows reaching -5°C, while peak rainfall usually occurs in May.

The most budget-friendly flight options are available in September — AED 1,666, and August — AED 1,743. The most expensive month of the year is April, when ticket prices can start AED 2,120.

September is the optimal choice considering both weather and ticket prices: this period offers comfortable warmth, while prices remain among the lowest of the year. Winter months should only be considered if you are prepared for extreme cold.

Temperature · Chicago

Dry and wet days · Chicago

Wind speed and direction · Chicago

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How to get the best deal on a London — Chicago ticket

  • Book your tickets 2–3 months in advance, as transatlantic fares significantly increase closer to the departure date.
  • Look for flights on Tuesdays and Wednesdays — mid-week fares are often lower than on weekends and holidays.
  • Consider options with one layover if you want to save: direct flights with British Airways or American Airlines are usually more expensive.
  • Pay attention to baggage policies, as basic fares on this route often include only carry-on luggage.
  • Use the low-fare calendar on this page to visually compare flight costs across different dates of your chosen month.

Airlines

There are 15 airlines operating on the route from London to Chicago, with British Airways, United Airlines, and American Airlines leading in terms of flight frequency. Regular service is provided through daily direct flights as well as numerous connecting options. You can find the full schedule, flight frequency by day of the week, and detailed information about the carriers in the list below.

  • American Airlines
    American AirlinesAA
    20x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight LHR → ORD20x/week
      Duration
      8h 38m
      Days
      un,MonS
  • British Airways
    British AirwaysBA
    15x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight LHR → ORD15x/week
      Duration
      8h 43m
      Days
      un,MonS
  • United Airlines
    United AirlinesUA
    14x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight LHR → ORD14x/week
      Duration
      9h 5m
      Days
      un,MonS
  • Aer Lingus
    Aer LingusEI
    9x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight LHR → ORD9x/week
      Duration
      8h 40m
      Days
      un,MonS
  • Finnair
    FinnairAY
    6x/week
    WebsiteFleet: 7911M pax/year
    • Direct flight LHR → ORD6x/week
      Duration
      8h 41m
      Days
      un,MonS
  • Alaska Airlines
    Alaska AirlinesAS
    2x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight LHR → ORD2x/week
  • Iberia
    IberiaIB
    2x/week
    WebsiteFleet: 9224M pax/year
    • Direct flight LHR → ORD2x/week
  • Gulf Air
    Gulf AirGF
    1x/week
    WebsiteFleet: 426.2M pax/year
    • Direct flight LHR → ORD1x/week
  • Lufthansa
    LufthansaLH
    1x/week
    WebsiteFleet: 38764.5M pax/year
    • Direct flight LHR → ORD1x/week
      Duration
      6h
      Days
      un,MonS
  • Austrian
    AustrianOS
    1x/week
    WebsiteFleet: 6814.6M pax/year
    • Direct flight LHR → ORD1x/week
      Duration
      6h
      Days
      un,MonS
  • Brussels Airlines
    Brussels AirlinesSN
    1x/week
    WebsiteFleet: 468.3M pax/year
    • Direct flight LHR → ORD1x/week
      Duration
      14h 17m
      Days
      un,MonS
  • Air Canada
    Air CanadaAC
    1x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight LHR → ORD1x/week
      Duration
      6h
      Days
      un,MonS

Cities and airports on the London — Chicago route

Flights London — Chicago depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure airports
Arrival airports

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Frequently asked questions about the London — Chicago flight

How long is the flight from London to Chicago?

The average duration of a direct flight on this route is about 7.5–8 hours for a distance of 6,371 km. Travel time may increase depending on the number and duration of layovers.

Which airlines fly this route?

Major carriers operating these flights include United Airlines, British Airways, American Airlines, and Lufthansa. In total, about 15 airlines are represented on the route.

Are there direct flights from London to Chicago?

Yes, there is a large number of direct flights operating daily on this route, due to the high intensity of air traffic between the cities — approximately 74 departures per week.

How much is the cheapest ticket?

Flight prices change constantly depending on the season and demand. You can always check the current minimum for specific dates in the low-fare calendar on this page.

Which airport do flights arrive at?

The main destination is O'Hare International Airport in Chicago. Detailed information on how to get from the airport to the city center can be found on our website.