Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Chicago O'Hare Intl Airport from $327

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 Heathrow Airport to Chicago O'Hare Intl Airport departing on 1/20. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 Heathrow Airport to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Chicago.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Chicago

Find recent round-trip train or bus tickets from London Heathrow Airport to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$436Icelandair
Find Deal
Mon, Feb 3 - Sat, Feb 8
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 7:30 pmORD-LHR
19h 00m1 stop
$449Icelandair
Find Deal
Wed, Feb 19 - Mon, Feb 24
6:40 am - 5:50 pmLHR-ORD
17h 10m1 stop
7:40 pm - 6:50 pmORD-LHR
17h 10m2 stops
$478Scandinavian Airlines
Find Deal
Sat, Feb 1 - Mon, Feb 10
9:05 pm - 5:50 pmLHR-ORD
26h 45m2 stops
7:40 pm - 6:50 pmORD-LHR
17h 10m2 stops
$485Scandinavian Airlines
Find Deal
Wed, Feb 19 - Mon, Feb 24
1:45 pm - 4:15 pmLHR-ORD
32h 30m1 stop
9:10 pm - 11:15 amORD-LHR
8h 05mnonstop
$511Lufthansa
Find Deal
Tue, Jan 21 - Tue, Jan 28
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$515Lufthansa
Find Deal
Tue, Jan 28 - Tue, Feb 4
8:55 am - 4:15 pmLHR-ORD
13h 20m1 stop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$523United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
7:40 am - 2:10 pmLHR-ORD
12h 30m1 stop
3:15 pm - 8:25 amORD-LHR
11h 10m1 stop
$528United Airlines
Find Deal
Mon, Jan 13 - Mon, Jan 27
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$542British Airways
Find Deal
Wed, Jan 22 - Wed, Jan 29
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$545British Airways
Find Deal
Tue, Jan 21 - Tue, Jan 28
3:15 pm - 12:29 pmLHR-ORD
51h 14m2 stops
Mon, Jan 20
3:15 pm - 12:29 pmLHR-ORD
51h 14m2 stops
Wed, Jan 15
12:10 pm - 7:15 pmLHR-ORD
13h 05m1 stop
$483Aer Lingus
Find Deal
Wed, Jan 15
7:40 am - 2:00 pmLHR-ORD
12h 20m1 stop
$486Aer Lingus
Find Deal
Tue, Apr 22
11:00 am - 1:55 pmLHR-ORD
8h 55mnonstop
$560British Airways
Find Deal
Mon, Feb 17
10:20 am - 6:50 pmLHR-ORD
13h 30m1 stop
$562Scandinavian Airlines
Find Deal
Fri, Mar 21
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
$563Scandinavian Airlines
Find Deal
Sat, Jan 18
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
$593British Airways
Find Deal
Tue, Feb 18
2:10 pm - 5:20 pmLHR-ORD
9h 10mnonstop
$684Lufthansa
Find Deal
Sat, May 3
8:30 am - 11:40 amLHR-ORD
9h 10mnonstop
$701Lufthansa
Find Deal
Thu, May 1
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
7:10 pm - 4:00 pmORD-LHR
14h 50m1 stop
$689Scandinavian Airlines
Find Deal
Fri, Dec 27 - Mon, Dec 30
4:20 pm - 9:48 amLHR-ORD
23h 28m1 stop
6:28 pm - 8:30 amORD-LHR
32h 02m1 stop
$705Lufthansa
Find Deal
Tue, Dec 24 - Sat, Jan 11
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
8:40 pm - 8:30 amORD-LHR
29h 50m1 stop
$708Lufthansa
Find Deal
Tue, Dec 24 - Sat, Jan 11
6:40 am - 3:50 pmLHR-ORD
15h 10m1 stop
7:10 pm - 4:00 pmORD-LHR
14h 50m1 stop
$713Scandinavian Airlines
Find Deal
Thu, Dec 26 - Mon, Dec 30
5:05 pm - 9:03 amLHR-ORD
21h 58m1 stop
3:00 pm - 10:15 amORD-LHR
13h 15m1 stop
$856Finnair
Find Deal
Tue, Dec 24 - Sat, Jan 11
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
4:22 pm - 10:10 pmORD-LHR
23h 48m1 stop
$858Finnair
Find Deal
Fri, Dec 27 - Tue, Jan 7
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$1,013Icelandair
Find Deal
Tue, Dec 24 - Sat, Jan 11
12:15 pm - 5:20 pmLHR-ORD
11h 05m1 stop
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
$1,048Icelandair
Find Deal
Tue, Dec 24 - Fri, Jan 10
5:05 pm - 7:30 amLHR-ORD
20h 25m1 stop
9:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$1,077American Airlines
Find Deal
Wed, Dec 25 - Thu, Jan 9
1:35 pm - 5:00 pmLHR-ORD
9h 25mnonstop
8:40 pm - 6:30 amORD-LHR
27h 50m1 stop
$1,088United Airlines
Find Deal
Tue, Dec 24 - Sat, Jan 11
2:10 pm - 6:00 pmLHR-ORD
8h 50mnonstop
10:25 pm - 12:10 pmORD-LHR
7h 45mnonstop
$538British Airways
Find Deal
Mon, Mar 17 - Mon, Mar 31
10:25 am - 1:50 pmLHR-ORD
9h 25mnonstop
5:50 pm - 7:55 amORD-LHR
8h 05mnonstop
$540Lufthansa
Find Deal
Wed, Jan 15 - Wed, Jan 22
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
10:00 pm - 11:40 amORD-LHR
7h 40mnonstop
$567Finnair
Find Deal
Tue, Jan 28 - Tue, Feb 11
3:45 pm - 6:45 pmLHR-ORD
9h 00mnonstop
10:45 pm - 11:30 amORD-LHR
7h 45mnonstop
$570Iberia
Find Deal
Wed, Mar 5 - Wed, Mar 12
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
5:30 pm - 7:20 amORD-LHR
7h 50mnonstop
$576Iberia
Find Deal
Mon, Jan 27 - Wed, May 14
11:55 am - 2:45 pmLHR-ORD
8h 50mnonstop
6:35 pm - 8:15 amORD-LHR
7h 40mnonstop
$605Finnair
Find Deal
Sat, Jan 25 - Tue, Feb 11
11:05 am - 2:10 pmLHR-ORD
9h 05mnonstop
4:05 pm - 6:20 amORD-LHR
8h 15mnonstop
$674United Airlines
Find Deal
Sun, Apr 13 - Mon, Apr 28
12:15 pm - 2:50 pmLHR-ORD
8h 35mnonstop
10:20 pm - 12:10 pmORD-LHR
7h 50mnonstop
$722American Airlines
Find Deal
Wed, Jun 11 - Wed, Jun 25
2:10 pm - 5:00 pmLHR-ORD
8h 50mnonstop
6:26 pm - 8:15 amORD-LHR
7h 49mnonstop
$842American Airlines
Find Deal
Mon, Mar 3 - Sat, Mar 8
11:05 am - 2:10 pmLHR-ORD
9h 05mnonstop
4:05 pm - 6:20 amORD-LHR
8h 15mnonstop
$843United Airlines
Find Deal
Sat, Jun 7 - Mon, Jun 16

Lufthansa flights from London Heathrow Airport to Chicago O'Hare Intl Airport

Our best Lufthansa deals on London Heathrow Airport to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Jan 21
LHR1:45 pmLondon Heathrow
32h 30m
1 stop
ORD4:15 pmChicago O'Hare Intl
Jan 28
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Lufthansa
Jan 28
LHR8:55 amLondon Heathrow
13h 20m
1 stop
ORD4:15 pmChicago O'Hare Intl
Feb 4
ORD5:50 pmChicago O'Hare Intl
8h 05m
LHR7:55 amLondon Heathrow
Lufthansa
Jan 22
LHR6:35 amLondon Heathrow
17h 50m
1 stop
ORD6:25 pmChicago O'Hare Intl
Jan 29
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow

Austrian Airlines flights from London Heathrow Airport to Chicago O'Hare Intl Airport

Our best Austrian Airlines deals on London Heathrow Airport to Chicago O'Hare Intl Airport flight tickets
Austrian Airlines
Jan 21
LHR12:05 pmLondon Heathrow
32h 00m
1 stop
ORD2:05 pmChicago O'Hare Intl
Jan 28
ORD1:15 pmChicago O'Hare Intl
18h 50m
2 stops
LHR2:05 pmLondon Heathrow
Austrian Airlines
Jan 21
LHR10:25 amLondon Heathrow
9h 25m
ORD1:50 pmChicago O'Hare Intl
Jan 28
ORD9:10 pmChicago O'Hare Intl
8h 05m
LHR11:15 amLondon Heathrow
Austrian Airlines
Jan 27
LHR10:25 amLondon Heathrow
9h 25m
ORD1:50 pmChicago O'Hare Intl
Feb 20
ORD5:50 pmChicago O'Hare Intl
8h 05m
LHR7:55 amLondon Heathrow

See travel insights to Chicago from

How to get the cheapest flight ticket from London Heathrow Airport to Chicago O'Hare Intl Airport

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 Heathrow Airport and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from London Heathrow Airport averaging around $643.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $707. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $797.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $695 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $872. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

In general, most travelers find the cheapest time to book a flight to Chicago O'Hare Intl Airport is about 20 days prior to their departure date when tickets on average are $727. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $682.

What cabin class options are available on London Heathrow to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on London Heathrow to Chicago O'Hare Intl 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 Heathrow Airport to Chicago O'Hare Intl Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a London Heathrow Airport to Chicago O'Hare Intl Airport flight.

How have London Heathrow Airport to Chicago O'Hare Intl Airport flight prices changed over time?

As of December 2024, prices for London Heathrow Airport to Chicago O'Hare Intl Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Chicago O'Hare Intl Airport (LHR to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Chicago O'Hare Intl Airport

Best Price Found

$327

Fastest flight time

8h 35m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from London Heathrow Airport in the past 72 hours is $327. The best round-trip flight deal from London Heathrow Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $436.
The fastest flight from London Heathrow Airport to Chicago O'Hare Intl Airport takes 8h 35m
Direct flights go from London Heathrow Airport to Chicago O'Hare Intl Airport every day.

  • How far is London Heathrow to Chicago O'Hare Intl by plane?

    The straight-line distance from London Heathrow to Chicago O'Hare Intl is 3939.2 mi. 8h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London Heathrow Airport to Chicago O'Hare Intl Airport?

    Prices for flights from London Heathrow Airport to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to Chicago O'Hare Intl Airport?

    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 Heathrow Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. 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 Heathrow Airport to Chicago O'Hare Intl Airport?

  • What is the most popular airline from London Heathrow Airport to Chicago O'Hare Intl Airport?


Best airlines flying from London Heathrow Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $462Free CancellationRating
7.3
1,309 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $483Free CancellationRating
7.1
1,880 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $501Free CancellationRating
7.1
506 reviews
Search Icelandair flights
FinnairPriceFrom $535Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
IberiaPriceFrom $555Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
American AirlinesPriceFrom $556Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $558Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
Aer LingusPriceFrom $579Free CancellationRating
7.1
1,076 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,083 reviews
Search Lufthansa flights
  • Finnair Flights From London Heathrow Airport to Chicago O'Hare Intl Airport

    Finnair flies from London Heathrow Airport to Chicago O'Hare Intl Airport around 28 times per week, with 1,285 momondo users rating the airline 7.7/10. The cheapest Finnair deal from London Heathrow Airport to Chicago O'Hare Intl Airport in the last 72 hours was $535 (round-trip), much lower than the average airfare cost of $809 for Finnair flights on this route.

  • United Airlines Flights From London Heathrow Airport to Chicago O'Hare Intl Airport

    Another popular option for London Heathrow Airport to Chicago O'Hare Intl Airport flights is United Airlines (7.4/10, 9,022 ratings). United Airlines flies from London Heathrow Airport to Chicago O'Hare Intl Airport around 14 times per week, with deals starting from $584 round-trip and rising to an average price of around $1,162.


Why use momondo?

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

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for London to Chicago flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chicago from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize 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
From?
To?
Sat 12/28
Sat 1/4
Email me momondo's favorite deals

Find better results for your trip to Chicago