Cheap flights from Heathrow to O'Hare Intl

Return
Economy
London (LHR)
Chicago (ORD)
Depart
Return
Any month
Compare vs Cheapflights |

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

All the information you need to plan the best LHR to ORD flight in 2021: compare Heathrow to O'Hare Intl flight prices with the expected peak season, weather and rainfall in O'Hare Intl.
LHR - ORD
Price
£299 - £486
ORD
Temperature
2 - 30 °C
ORD
Precipitation
39 - 123 mm

Popular in

July

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 17% potential price drop

Average price

£299

Average for round-trip flights in September 2021

Round-trip from

£299

From London Heathrow to Chicago O'Hare Intl

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 London Heathrow Airport to Chicago O'Hare Intl Airport?

Travellers have found it’s best to book a flight 61 days in advance to save up to 32% 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 London Heathrow Airport to Chicago O'Hare Intl Airport 1-2 weeks in advance for as low as £386, or £466 for flights within the next 24 hours.

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

October is one of the best times of the year to fly to Chicago O'Hare Intl Airport from London Heathrow Airport. Prices for October average £361 per person but you can even find prices for as low as £253. The most expensive prices can be found in the month of July. Opting for a October flight can save you 33% on your journey compared to booking in October

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

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

Cheap flights from Heathrow to O'Hare Intl in September, October 2021

The best prices found for LHR to ORD flights in September, October
29 Sep - 20 Mar
£314pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
29 Sep - 20 Mar
£317pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
20 Oct - 30 Oct
£320pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

London Heathrow to O'Hare Intl 2021 flight deals

Cheap flights to O'Hare Intl from Heathrow found for this year
7 Nov - 16 Nov
£295pp
LHR
London Heathrow
Brussels Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
 
1 STOP
LHR
London Heathrow
8 Nov - 16 Nov
£297pp
LHR
London Heathrow
Brussels Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
 
1 STOP
LHR
London Heathrow
8 Nov - 16 Nov
£311pp
LHR
London Heathrow
Brussels Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow

Direct flights to O'Hare Intl from Heathrow

Save time with Heathrow to O'Hare Intl direct flight deals
8 Nov - 16 Nov
£325pp
LHR
London Heathrow
Brussels Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow
22 Feb - 3 Mar
£327pp
LHR
London Heathrow
Brussels Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow
16 Nov - 7 Dec
£336pp
LHR
London Heathrow
Brussels Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to O'Hare Intl

Late deals on return flights to O'Hare Intl from Heathrow, departing today and this week
22 Sep - 8 Dec
£356pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 Sep - 28 Mar
£357pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
21 Sep - 23 Mar
£360pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

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

The cheapest one-way flights from Heathrow to O'Hare Intl
14:50 - 10:20
Iberia
1 stop
25h 30m
LHR - ORD
Iberia
£237
Combigo
14:50 - 10:20
Iberia
1 stop
25h 30m
LHR - ORD
Iberia
£239
Combigo
14:50 - 10:20
Iberia
1 stop
25h 30m
LHR - ORD
Iberia
£255
Combigo

Related info for your journey

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

Flight FAQs

From Heathrow to O'Hare Intl

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

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, United Airlines, and Finnair flying from London Heathrow to Chicago O'Hare Intl have implemented new flexible cancellation policies.

Are flight prices decreasing from London Heathrow Airport to Chicago O'Hare Intl Airport due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London Heathrow Airport and Chicago O'Hare Intl Airport for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London Heathrow Airport to Chicago O'Hare Intl Airport for under £300 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Chicago O'Hare Intl Airport for under £300. The cheapest flight booked recently is on Brussels Airlines for just £295, but on average you can expect to pay £313.

Are there direct flights from London Heathrow Airport to Chicago O'Hare Intl Airport for under £400 on Cheapflights?

Cheapflights has 20 direct flights from London Heathrow Airport to Chicago O'Hare Intl Airport under £400. A good price for a direct flight from London Heathrow Airport to Chicago O'Hare Intl Airport is less than £367.

Are there last-minute flights available from London Heathrow Airport to Chicago O'Hare Intl Airport for under £400?

There are currently 20+ open flights from London Heathrow Airport to Chicago O'Hare Intl Airport within the next 7 days for less than £400.

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

Direct flights can be found on the following days: Monday.

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

Per day, 2 flights depart from London Heathrow Airport to Chicago O'Hare Intl Airport on average.
Morning (6am - Midday) - 100% of flight departures

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

Brussels Airlines, TAP AIR PORTUGAL, and Air Canada can get you from London Heathrow Airport to Chicago O'Hare Intl Airport in just under 15h 59m. Your travel time can differ by up to 10h 06m. The distance between London Heathrow Airport and Chicago O'Hare Intl Airport is about 3964 mi. This flight may include one or multiple stops.

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

Our cheapest airline available from London Heathrow Airport to Chicago O'Hare Intl Airport is Brussels Airlines. Our recent data shows that you can find tickets from as low as £295 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Air Canada, starting at £314 and £331 round-trip. You may be able to fly from London Heathrow Airport to Chicago O'Hare Intl Airport for 17% less than the average price by searching for these airlines.

Related searches

Flights to O'Hare Intl from Heathrow
Flights to Heathrow Flights to O'Hare Intl Flights from Heathrow

Hire a Car

Car Rentals at O'Hare Intl Car Rentals in USA

COVID Restrictions

View COVID Travel Restrictions for O'Hare Intl (ORD)

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

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

Most visitors from London Heathrow will not be allowed to enter Chicago O'Hare Intl.

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.

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

Returning to London Heathrow from Chicago O'Hare Intl

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.

Hide COVID Travel Restrictions for O'Hare Intl (ORD)

Alternative routes for Heathrow to O'Hare Intl

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

Destination information for O'Hare Intl

Things to know before you go - useful duration and weather info for your trip from Heathrow to O'Hare Intl.
Today's exchange rate
£1 = $1.39
Average temperature for September in O'Hare Intl
25.0 °C
Avg rainfall for September in O'Hare Intl
86.0 mm

Airports servicing London

Airports servicing Chicago

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

The chart below displays the airlines Cheapflights users travelling from Heathrow to O'Hare Intl 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
Air Canada
£352 £496 No cancel fee 67%
Search Air Canada flights
KLM
£368 £500 No cancel fee 75%
Search KLM flights
Virgin Atlantic
£352 £509 No cancel fee 72%
Search Virgin Atlantic flights
SWISS
£353 £513 No cancel fee 79%
Search SWISS flights
Brussels Airlines
£352 £521 No cancel fee N/A
Search Brussels Airlines flights
Air France
£405 £558 No cancel fee 77%
Search Air France flights
TAP AIR PORTUGAL
£412 £584 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Lufthansa
£349 £586 No cancel fee 76%
Search Lufthansa flights
Delta
£359 £596 No cancel fee N/A
Search Delta flights
Austrian Airlines
£358 £611 No cancel fee 78%
Search Austrian Airlines flights

Hourly flight availability from Heathrow to O'Hare Intl

See what time of day planes typically take off from Heathrow towards O'Hare Intl.
Morning 6 AM to midday 80% of flight departures
Afternoon Midday to 6 PM 19% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Heathrow to O'Hare Intl
See how many times per day planes take to the skies headed from Heathrow to O'Hare Intl.
Sunday
23 daily flights
Monday
23 daily flights
Tuesday
23 daily flights
Wednesday
23 daily flights
Thursday
23 daily flights
Friday
23 daily flights
Saturday
17 daily flights
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First