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

ORD — LHR
Dec 6 — Dec 131

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 2022: compare O'Hare Intl to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

ORD - LHR

Price

$578 - $969

LHR

Temperature

39.2 - 62.6 °F

LHR

Rainfall

1.6 - 2.8 inches

Popular inJulyHigh demand for flights, 27% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 19% potential price drop
Round-trip from$578From Chicago O'Hare Intl to London Heathrow
One-way from$299One-way flight from Chicago O'Hare Intl to London Heathrow

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 8% 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 $782, or $782 for flights within the next 24 hours.

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

February is one of the best times of the year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport. Prices for February average $709 per person but you can even find prices for as low as $491. The most expensive prices can be found in the month of July. Opting for a February flight can save you 40% on your journey compared to booking in July

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
Jan 13 - Jan 15
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

14h 55m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

14h 15m
$291

Scandinavian Airlines

Pick Dates

Deal found 11/28

Jan 14 - Jan 15
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 55m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

21h 30m
$292

Scandinavian Airlines

Pick Dates

Deal found 11/29

Jan 14 - Jan 15
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

19h 00m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

2 stops

22h 05m
$300

Scandinavian Airlines

Pick Dates

Deal found 11/29

O'Hare Intl to Heathrow 2022 flight deals

Cheap flights to Heathrow from O'Hare Intl found for this year
Dec 2 - Dec 4
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 40m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

35h 15m
$428

British Airways

Pick Dates

Deal found 11/28

Dec 2 - Dec 4
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

18h 48m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

28h 45m
$463

Multiple Airlines

Pick Dates

Deal found 11/30

Dec 2 - Dec 4
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

10h 34m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

35h 15m
$466

Multiple Airlines

Pick Dates

Deal found 11/28

Cheap Finnair flights from O'Hare Intl to Heathrow

Dec 8 - Dec 11
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 36m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

9h 05m
$554

Finnair

Pick Dates

Deal found 12/1

Dec 8 - Dec 12
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 36m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

8h 55m
$555

Finnair

Pick Dates

Deal found 11/30

Dec 8 - Dec 12
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

12h 57m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

8h 55m
$560

Finnair

Pick Dates

Deal found 11/30

  • If you’re traveling from Chicago O'Hare Intl Airport to London Heathrow Airport, one of the more common airlines traveling that route is Finnair. Chicago O'Hare Intl Airport to London Heathrow Airport flights are typically 62% cheaper than other airlines traveling the same route. Flights from Finnair typically cost $890.97 RT. The cheapest Finnair flight found for this route was $659. Chicago O'Hare Intl Airport is the most common Chicago O'Hare Intl Airport airport to take off from when flying to London Heathrow Airport. London Heathrow Airport is the most popular arrival airport in London Heathrow Airport. When flying from Chicago O'Hare Intl Airport to London Heathrow Airport, Finnair flights are 4% more popular than any other airline flying that same route.

Cheap Aer Lingus flights from O'Hare Intl to Heathrow

Dec 9 - Dec 11
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 00m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

12h 25m
$488

Aer Lingus

Pick Dates

Deal found 11/28

Dec 9 - Dec 12
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 00m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

12h 25m
$494

Aer Lingus

Pick Dates

Deal found 11/30

Dec 11 - Jan 21
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

9h 45m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

11h 45m
$503

Aer Lingus

Pick Dates

Deal found 11/30

  • Aer Lingus is one of the most popular airlines used for those traveling from Chicago O'Hare Intl Airport to London Heathrow Airport. Flights on this route from Aer Lingus typically cost $777.83 RT, a price that is 63% more expensive than the average Chicago O'Hare Intl Airport to London Heathrow Airport flight. The cheapest flight found was $546 RT. When traveling from Chicago O'Hare Intl Airport to London Heathrow Airport on Aer Lingus, the most popular airport to depart from is Chicago O'Hare Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Chicago O'Hare Intl Airport to London Heathrow Airport, Aer Lingus flights are 3% more popular than any other airline flying that same route.

Non-stop flights to Heathrow from O'Hare Intl

Save time with O'Hare Intl to Heathrow direct flight deals
Feb 4 - Mar 10
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 34m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

8h 55m
$523

British Airways

Pick Dates

Deal found 11/28

Mar 30 - Apr 15
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 45m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

8h 45m
$526

British Airways

Pick Dates

Deal found 11/30

Mar 30 - Apr 15
ORD

Chicago O'Hare Intl

LHR

London Heathrow

Nonstop

7h 45m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

Nonstop

8h 45m
$527

British Airways

Pick Dates

Deal found 11/29

Last minute flights from O'Hare Intl to Heathrow

Late deals on return flights to Heathrow from O'Hare Intl, departing today and this week
Dec 9 - Dec 11
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 00m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

12h 25m
$488

Aer Lingus

Pick Dates

Deal found 11/28

Dec 9 - Dec 12
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 00m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

12h 25m
$494

Aer Lingus

Pick Dates

Deal found 11/30

Dec 11 - Jan 21
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

9h 45m
LHR

London Heathrow

ORD

Chicago O'Hare Intl

1 stop

11h 45m
$503

Aer Lingus

Pick Dates

Deal found 11/30

One-way flights to Heathrow from O'Hare Intl

The cheapest one-way flights from O'Hare Intl to Heathrow
Mar 18
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

13h 15m
$195

TAP AIR PORTUGAL

Pick Dates

Deal found 11/30

Jan 6
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

11h 55m
$254

Scandinavian Airlines

Pick Dates

Deal found 11/29

Jan 11
ORD

Chicago O'Hare Intl

LHR

London Heathrow

1 stop

14h 55m
$258

Scandinavian Airlines

Pick Dates

Deal found 12/1

Related info for your journey

Useful info, stats and facts about O'Hare Intl to Heathrow flights.

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

British Airways, American Airlines, and Iberia 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 $300 on Cheapflights?

Yes, there are multiple flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $300. The cheapest flight booked recently is on Scandinavian Airlines for just $271, but on average you can expect to pay $305.

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 $538.

Are there last-minute flights available from Chicago O'Hare Intl Airport to London Heathrow Airport for under $500?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to London Heathrow Airport within the next 7 days for less than $500.

What is the cheapest airline to fly from Chicago O'Hare Intl Airport to London Heathrow Airport round-trip?

Scandinavian Airlines, at $271, was found to be the cheapest airline from Chicago O'Hare Intl Airport to London Heathrow Airport.. Users have found that Scandinavian Airlines is 61% cheaper than the other options available to this destination.

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

Undisclosed Carrier, 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 (89%), Austrian Airlines (89%) or United Airlines (89%) as they are the most reliable in getting you off to your destination on time.

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 $247. On average you can expect to pay $2,568. The most popular route, (Chicago O'Hare Intl - London Heathrow), can usually be booked for $292.

Alternative routes for O'Hare Intl to Heathrow

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

Top 10 airlines flying from O'Hare Intl to 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Scandinavian AirlinesCheapest$364Average$561FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Scandinavian Airlines flights
IcelandairCheapest$366Average$604FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights
TAP AIR PORTUGALCheapest$374Average$472FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search TAP AIR PORTUGAL flights
Norwegian Air UKCheapest$400Average$606FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Norwegian Air UK flights
KLMCheapest$427Average$624FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
Aer LingusCheapest$466Average$640FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
Air CanadaCheapest$483Average$1,055FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
IberiaCheapest$497Average$684FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
LufthansaCheapest$523Average$810FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights

Hourly flight availability from O'Hare Intl to Heathrow

See what time of day planes typically take off from O'Hare Intl to Heathrow
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
70%of flight departuresAfternoonNoon to 6 pm
29%of flight departuresEvening6 pm to midnight
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
Sunday37daily flights
Monday37daily flights
Tuesday37daily flights
Wednesday37daily flights
Thursday37daily flights
Friday37daily flights
Saturday37daily flights