Cheap flights from O'Hare Intl (ORD) to Heathrow (LHR)

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How to find the cheapest flight from
O'Hare Intl (ORD) to Heathrow (LHR)

All the information you need to plan the best ORD to LHR flight in 2021: compare O'Hare Intl to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
ORD - LHR
Price
$456 - $864
LHR
Temperature
39.2 - 62.6 °F
LHR
Precipitation
1.6 - 2.8 inches

Popular in

June

High demand for flights, 30% potential price rise

Cheapest in

May

Best time to find cheap flights, 24% potential price drop

Round-trip from

$456

From Chicago O'Hare Intl to London Heathrow

One-way from

$297

One-way flight from Chicago O'Hare Intl to London Heathrow

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

Travelers have found it’s best to book a flight 61 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago O'Hare Intl Airport to London Heathrow Airport 1-2 weeks in advance for as low as $704, or $810 for flights within the next 24 hours.

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

April is one of the best times of the year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport. Prices for April average $590 per person but you can even find prices for as low as $386. The most expensive prices can be found in the month of December. Opting for a April flight can save you 30% on your journey compared to booking in April

When is the cheapest time to fly from Chicago O'Hare Intl Airport to London Heathrow Airport (ORD - LHR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to London Heathrow Airport as you normally would.

Cheap flights from O'Hare Intl to Heathrow in December, January 2022

The best prices found for ORD to LHR flights for December, January
28 Jan - 30 Jan
$351pp
ORD
Chicago O'Hare Intl
SAS
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
ORD
Chicago O'Hare Intl
20 Jan - 23 Jan
$381pp
ORD
Chicago O'Hare Intl
SAS
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
ORD
Chicago O'Hare Intl
28 Jan - 11 Feb
$398pp
ORD
Chicago O'Hare Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago O'Hare Intl to Heathrow 2022 flight deals

Cheap flights to Heathrow from O'Hare Intl found for this year
3 Dec - 11 Dec
$464pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
3 Dec - 5 Dec
$472pp
ORD
Chicago O'Hare Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ORD
Chicago O'Hare Intl
3 Dec - 11 Dec
$480pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to Heathrow from O'Hare Intl

Save time with O'Hare Intl to Heathrow direct flight deals
13 Jan - 25 Jan
$552pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
4 Feb - 13 Feb
$554pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
30 Apr - 12 May
$555pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from O'Hare Intl to Heathrow

Late deals on round-trip flights to Heathrow from O'Hare Intl, departing today and this week
10 Dec - 12 Dec
$503pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
8 Dec - 26 Sep
$512pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
8 Dec - 22 Sep
$517pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Heathrow from Chicago O'Hare Intl

The cheapest one-way flights from O'Hare Intl to Heathrow
1:30 am - 5:45 pm
Multiple Airlines
3 Stops
34h 15m
ORD - LHR
Multiple Airlines
$297
Kiwi.com
5:05 pm - 11:00 am
SAS
1 Stop
11h 55m
ORD - LHR
SAS
$306
Flights by SU
11:45 am - 5:35 am
Iberia
1 Stop
11h 50m
ORD - LHR
Iberia
$308
SnapTravelAir

Related info for your journey

Useful info, stats and facts about <span class="emphasized">O'Hare Intl</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From O'Hare Intl to Heathrow

Which airlines flying from Chicago O'Hare Intl to London Heathrow have flexible cancellations due to COVID-19?

British Airways, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $400 on Cheapflights?

Yes, there are multiple flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $400. The cheapest flight booked recently is on SAS for just $345, but on average you can expect to pay $390.

Are there nonstop flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to London Heathrow Airport under $600. A good price for a nonstop flight from Chicago O'Hare Intl Airport to London Heathrow Airport is less than $564.

Are there last-minute flights available from Chicago O'Hare Intl Airport to London Heathrow Airport for under $600?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to London Heathrow Airport within the next 7 days for less than $600.

What days are nonstop flights available from Chicago O'Hare Intl Airport to London Heathrow Airport?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Saturday.

How many flights depart from Chicago O'Hare Intl Airport to London Heathrow Airport on average per day?

Per day, 9 flights depart from Chicago O'Hare Intl Airport to London Heathrow Airport on average.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

There are many flights that can get you from Chicago O'Hare Intl Airport to London Heathrow Airport in 10h 20m. Fly via SAS or Icelandair to get the fastest option. Airlines will cover a distance of 3964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to London Heathrow Airport round-trip?

SAS, at $345, was found to be the cheapest airline from Chicago O'Hare Intl Airport to London Heathrow Airport. An alternate airline flying to your destination would be Icelandair. Users have found that SAS is 42% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to London Heathrow Airport one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $242. SAS flights start at $306 while deals on Iberia start at $308 one-way.

What are the cheapest flights from Chicago O'Hare Intl Airport to London Heathrow Airport?

The cheapest flight price from Chicago O'Hare Intl Airport to London Heathrow Airport is $193. On average you can expect to pay $1,083. The most popular route, (Chicago O'Hare Intl - London Heathrow), can usually be booked for $349.

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

Major Airline, American Airlines and Air Canada are the most popular airlines when flying from Chicago O'Hare Intl Airport to London Heathrow Airport.

What are the most reliable airlines from Chicago O'Hare Intl Airport to London Heathrow Airport?

No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to London Heathrow Airport consider choosing Air Canada (84%), Austrian Airlines (84%) or United Airlines (84%) as they are the most reliable in getting you off to your destination on time.

Related searches

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Rent a Car

Car Rentals at Heathrow Car Rentals in England

COVID Restrictions

View COVID Travel Restrictions for Heathrow (LHR)

Do I need a COVID test to fly to Heathrow from O'Hare Intl?

Information is based on travel restrictions from Chicago O'Hare Intl to London Heathrow

Most visitors from Chicago O'Hare Intl need to provide a negative COVID-19 test result and/or quarantine to enter London Heathrow.

COVID-19 testing requirements
Visitors from Chicago O'Hare Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Chicago O'Hare Intl are not required to quarantine after entering London Heathrow.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to O'Hare Intl from Heathrow?

Returning to Chicago O'Hare Intl from London Heathrow

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago O'Hare Intl.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Chicago O'Hare Intl.

Hide COVID Travel Restrictions for Heathrow (LHR)

Alternative routes for O'Hare Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from O'Hare Intl to Heathrow.
Today's exchange rate
$1 = £0.76
Average temperature for December in Heathrow
46.4 °F
Avg rainfall for December in Heathrow
2.2 ″

Airports servicing Chicago

Airports servicing London

Top 10 airlines flying from Chicago O'Hare Intl to London Heathrow

The chart below displays the airlines Cheapflights users traveling from O'Hare Intl to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
SAS
$288 $632 No cancel fee 77%
Air Canada
$362 $730 No cancel fee 67%
Lufthansa
$364 $552 No cancel fee 76%
Finnair
$368 $600 No cancel fee 76%
Brussels Airlines
$371 $600 No cancel fee N/A
Iberia
$377 $552 No cancel fee 77%
American Airlines
$379 $717 No cancel fee 71%
British Airways
$383 $609 No cancel fee 70%
KLM
$386 $555 No cancel fee 75%
Icelandair
$387 $655 No cancel fee 76%

Hourly flight availability from O'Hare Intl to Heathrow

See what time of day planes typically take off from O'Hare Intl towards Heathrow.
Afternoon Noon to 6 PM 74% of ORD to LHR departures
Evening 6 PM to midnight 25% of ORD to LHR departures
Early morning Midnight to 6 AM 1% of ORD to LHR departures
Morning 6 AM to noon 0% of ORD to LHR departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from O'Hare Intl to Heathrow
See how many times per day planes take to the skies headed from O'Hare Intl to Heathrow.
Sunday
18 daily flights
Monday
18 daily flights
Tuesday
14 daily flights
Wednesday
23 daily flights
Thursday
22 daily flights
Friday
18 daily flights
Saturday
22 daily flights
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