Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Chicago from £232

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago departing on 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Chicago

Cheap return flights

Austrian Airlines Logo
11:05 - 14:10LHR-ORD
9h 05mdirect
Austrian Airlines Logo
12:50 - 10:40ORD-LHR
15h 50m1 stop
£244Austrian Airlines
Find Deal
Mon, 25 Aug - Fri, 5 Sep
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
Icelandair Logo
18:30 - 10:55ORD-LGW
10h 25m1 stop
£324Icelandair
Find Deal
Thu, 20 Nov - Mon, 24 Nov
TAP AIR PORTUGAL Logo
08:00 - 16:10LHR-ORD
14h 10m1 stop
TAP AIR PORTUGAL Logo
18:10 - 22:00ORD-LHR
21h 50m1 stop
£376TAP AIR PORTUGAL
Find Deal
Fri, 22 Aug - Mon, 25 Aug
TAP AIR PORTUGAL Logo
16:25 - 10:55LGW-ORD
24h 30m1 stop
TAP AIR PORTUGAL Logo
18:00 - 15:10ORD-LGW
15h 10m1 stop
£377TAP AIR PORTUGAL
Find Deal
Wed, 10 Sep - Sun, 28 Sep
Scandinavian Airlines Logo
10:20 - 16:45LHR-ORD
12h 25m1 stop
Scandinavian Airlines Logo
19:20 - 18:30ORD-LHR
17h 10m1 stop
£377Scandinavian Airlines
Find Deal
Wed, 3 Dec - Wed, 14 Jan
Scandinavian Airlines Logo
19:30 - 16:45LHR-ORD
27h 15m1 stop
Scandinavian Airlines Logo
19:20 - 16:25ORD-LHR
15h 05m2 stops
£382Scandinavian Airlines
Find Deal
Tue, 25 Nov - Sat, 29 Nov
United Airlines Logo
18:00 - 09:13LHR-ORD
21h 13m1 stop
United Airlines Logo
15:45 - 05:55ORD-LHR
8h 10mdirect
£385United Airlines
Find Deal
Sat, 6 Dec - Sun, 7 Dec
United Airlines Logo
18:00 - 13:01LHR-ORD
25h 01m1 stop
United Airlines Logo
17:50 - 07:55ORD-LHR
8h 05mdirect
£386United Airlines
Find Deal
Sat, 6 Dec - Sun, 7 Dec
Lufthansa Logo
07:30 - 14:55LHR-ORD
13h 25m1 stop
Lufthansa Logo
16:00 - 06:20ORD-LHR
8h 20mdirect
£407Lufthansa
Find Deal
Wed, 1 Oct - Mon, 6 Oct
Lufthansa Logo
08:45 - 14:55LCY-ORD
12h 10m1 stop
Lufthansa Logo
22:30 - 16:25ORD-LCY
11h 55m1 stop
£453Lufthansa
Find Deal
Wed, 1 Oct - Tue, 7 Oct

SWISS flights from London to Chicago

Our best SWISS deals on London to Chicago flight tickets
SWISS
10 Nov
LGW18:40London Gatwick
27h 35m
1 stop
ORD16:15Chicago O'Hare Intl
23 Nov
ORD19:05Chicago O'Hare Intl
16h 45m
1 stop
LGW17:50London Gatwick
SWISS
3 Nov
LCY19:10London City
27h 05m
1 stop
ORD16:15Chicago O'Hare Intl
16 Nov
ORD19:05Chicago O'Hare Intl
11h 45m
1 stop
LCY12:50London City
SWISS
26 Nov
LGW18:40London Gatwick
24h 05m
1 stop
ORD12:45Chicago O'Hare Intl
11 Dec
ORD16:10Chicago O'Hare Intl
19h 40m
1 stop
LGW17:50London Gatwick

Lufthansa flights from London to Chicago

Our best Lufthansa deals on London to Chicago flight tickets
Lufthansa
1 Oct
LHR07:30London Heathrow
13h 25m
1 stop
ORD14:55Chicago O'Hare Intl
6 Oct
ORD16:00Chicago O'Hare Intl
8h 20m
LHR06:20London Heathrow
Lufthansa
1 Oct
LCY08:45London City
12h 10m
1 stop
ORD14:55Chicago O'Hare Intl
7 Oct
ORD22:30Chicago O'Hare Intl
11h 55m
1 stop
LCY16:25London City
Lufthansa
10 Sept
LCY08:45London City
12h 10m
1 stop
ORD14:55Chicago O'Hare Intl
28 Sept
ORD22:30Chicago O'Hare Intl
11h 55m
1 stop
LCY16:25London City

See travel insights to Chicago from

How to get the cheapest flight ticket from London to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from London is in February. Flight prices, which tend to average around £423, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from London during March instead. Flights to Chicago in March, while not as cheap as those in February, still average around £444.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £595. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £654.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £490 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £656.

What is the cheapest London to Chicago flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best London - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £539 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from London for as low as £512 on momondo.

What cabin class options are available on London to Chicago flights?

There are 4 cabin classes available to choose from on London to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Chicago flights?

No. A direct flight is the cheapest option for a flight between London to Chicago.

How have London to Chicago flight prices changed over time?

As of June 2025, prices for London to Chicago flights are approximately 0% cheaper when compared to flights at the same time last year.

When to book flights from London to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Chicago (LON to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Chicago

Best price found

£232

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from London in the past 72 hours is £232. The best return flight deal from London to Chicago found on momondo in the last 72 hours is £244.
The fastest flight from London to Chicago takes 9h 05m
Direct flights go from London to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is London to Chicago by plane?

    The distance between London and Chicago is about 3945.2 mi. In terms of flight time, this usually takes a little over 9h 05m.

  • When did momondo last update prices for flights from London to Chicago?

    Prices for flights from London to Chicago refresh daily.

  • How many operators does momondo search for flights from London to Chicago?

  • How old do you have to be to fly from London to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Chicago?

  • What is the most popular airline from London to Chicago?


Best airlines flying from London to Chicago

Compare and see reviews for airlines that fly from London to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £307Free CancellationRating
7.0
514 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £346Free CancellationRating
7.3
1,413 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £360Free CancellationRating
7.1
1,911 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £377Free CancellationRating
7.4
654 reviews
Search Virgin Atlantic flights
Brussels AirlinesPriceFrom £386Free CancellationRating
7.3
352 reviews
Search Brussels Airlines flights
LufthansaPriceFrom £390Free CancellationRating
6.8
7,201 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom £393Free CancellationRating
7.6
807 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom £395Free CancellationRating
7.4
8,849 reviews
Search United Airlines flights
American AirlinesPriceFrom £396Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom £400Free CancellationRating
6.6
7,081 reviews
Search British Airways flights
  • Austrian Airlines Flights From London to Chicago

    Austrian Airlines operates around 21 flights from London to Chicago every week. The average price of these flights found in the last 72 hours has been £786, but momondo users have found Austrian Airlines deals from London to Chicago from as low as £539 round-trip. Austrian Airlines has been scored 7.6/10 in 807 reviews.

  • Finnair Flights From London to Chicago

    Finnair (7.6/10 from 1,299 reviews) operates around 27 flights from London to Chicago in any given week. The average Finnair airfare for this route is around £782, with deals from around £599 rare but found on momondo. Referenced prices are for round-trip London to Chicago flight searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from London.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Flights from London to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Chicago?

Once all potential London to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Chicago trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/7
Sat 12/7

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago