Cheap Flights From Heathrow (LHR) To O'Hare Intl. (ORD)

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Cheapest Flights from London (LHR) to Chicago (ORD)

The cheapest flights to O'Hare Intl. found within the past 7 days were CA $757 round trip and CA $624 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Apr 16 - Sat, Apr 25
LHR
London
ORD
Chicago
CA $757 Roundtrip, found 6 days ago
CA $757
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Thu, Apr 16 from London to Chicago, returning Sat, Apr 25, priced at CA $757 found 6 days ago
Thu, Apr 16 - Sat, Apr 25
LHR
London
ORD
Chicago
CA $767 Roundtrip, found 6 days ago
CA $767
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Thu, Apr 16 from London to Chicago, returning Sat, Apr 25, priced at CA $767 found 6 days ago
Thu, Apr 16 - Sat, Apr 25
LHR
London
ORD
Chicago
CA $843 Roundtrip, found 6 days ago
CA $843
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Apr 16 from London to Chicago, returning Sat, Apr 25, priced at CA $843 found 6 days ago
Mon, Apr 13 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $971 Roundtrip, found 2 days ago
CA $971
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Mon, Apr 13 from London to Chicago, returning Mon, Apr 27, priced at CA $971 found 2 days ago
Mon, Apr 13 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $980 Roundtrip, found 2 days ago
CA $980
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Apr 13 from London to Chicago, returning Mon, Apr 27, priced at CA $980 found 2 days ago
Fri, Apr 24 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $988 Roundtrip, found 2 days ago
CA $988
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, Apr 24 from London to Chicago, returning Mon, Apr 27, priced at CA $988 found 2 days ago
Mon, Apr 13 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $995 Roundtrip, found 2 days ago
CA $995
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Mon, Apr 13 from London to Chicago, returning Mon, Apr 27, priced at CA $995 found 2 days ago
Mon, Apr 13 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $1,018 Roundtrip, found 2 days ago
CA $1,018
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Apr 13 from London to Chicago, returning Mon, Apr 27, priced at CA $1,018 found 2 days ago
Mon, Apr 13 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $1,019 Roundtrip, found 2 days ago
CA $1,019
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Apr 13 from London to Chicago, returning Mon, Apr 27, priced at CA $1,019 found 2 days ago
Fri, Apr 24 - Mon, Apr 27
LHR
London
ORD
Chicago
CA $1,023 Roundtrip, found 2 days ago
CA $1,023
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, Apr 24 from London to Chicago, returning Mon, Apr 27, priced at CA $1,023 found 2 days ago

Frequently asked questions

Are there direct flights from London Heathrow to O'Hare Airport?
British Airways and American Airlines are a couple of the airlines that offer direct flights from LHR to ORD. If you want to get to where you're headed as quickly as possible, these are the airlines for you.
What airlines fly from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)?
There are several airlines with direct flights from Heathrow Airport to ORD. British Airways (BA) is one of the most reputable, and operates at least 60 flights every month. An alternative is American Airlines (AA), which has 30 flights every month. The more airlines you look into, the more likely you are to walk away with an amazing deal.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.