Cheap flights from O'Hare Intl (ORD) to Heathrow (LHR) from $270
This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
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 2023: compare O'Hare Intl to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
Popular in | July |
|---|---|
Cheapest in | February |
Round-trip from | $618 |
One-way from | $286 |
ORD - LON Price | $618 - $1,177 |
|---|---|
LON Temperature | 39.2 - 62.6 °F |
LON Rainfall | 1.6 - 2.8 inches |
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 59 days in advance to save up to 16% 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 59 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 $818, or $855 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 $711 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 39% 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 Finnair flights from O'Hare Intl to Heathrow
Check out some of the cheapest Finnair flights we've come across from Chicago to London. Make sure to double check the flight details before booking.
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 $806.95 RT. The cheapest Finnair flight found for this route was $554. 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 1% more popular than any other airline flying that same route.
Cheap Icelandair flights from O'Hare Intl to Heathrow
To aid your search, here are some of the cheapest Icelandair flights we've found from Chicago to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
One of the most popular airlines traveling from Chicago O'Hare Intl Airport to London Heathrow Airport is Icelandair. Chicago O'Hare Intl Airport to London Heathrow Airport flights are typically 32% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $1,693.93 RT. The cheapest Icelandair flight found for this route was $588. The most popular departure airport in Chicago O'Hare Intl Airport when flying to London Heathrow Airport is Chicago O'Hare Intl Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Chicago O'Hare Intl Airport to London Heathrow Airport, Icelandair flights are 1% more popular than any other airline flying that same route.
Cheap O'Hare Intl to Heathrow flights in September & October 2023
The best prices found for ORD to LHR flights for September, October
These are some of the most attractive deals on flights from Chicago to London in 2023. Check back in a little while for more flight options.
O'Hare Intl to Heathrow 2023 flight deals
Cheap flights to Heathrow from O'Hare Intl found for this year
These are some of the most attractive deals on flights from Chicago to London in 2023. Check back in a little while for more flight options.
Non-stop flights to Heathrow from O'Hare Intl
Save time with O'Hare Intl to Heathrow direct flight deals
If you're seeking options on non-stop flights from Chicago to London, check out these fares. Those looking to potentially save on 1 or 2-stop flights from Chicago to London should utilize the search form at the the top of the page.
O'Hare Intl to Heathrow flights leaving soon
Late deals on return flights to Heathrow from O'Hare Intl, departing today and this week
Book one of these great deals on flights from Chicago to London. Users should be sure to double check the price, date, and time of their last-minute flight.
One-way flights to Heathrow from O'Hare Intl
The cheapest one-way flights from O'Hare Intl to Heathrow
If you're seeking multiple options on one-way flights from Chicago to London, be sure to check out these deals, which are updated often. Users needing a return flight from Chicago to London should utilize the search form above.
Find flights from O'Hare Intl to Heathrow within your budget
Use the slider to find flights from O'Hare Intl to Heathrow that fit your budget.
Fly from
Fly to
Budget
$413 - $567
Route
Depart
Return
Price
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 10/15
1 stop19h 00m
London Heathrow
Thu 10/19
1 stop23h 20m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 10/13
Nonstop7h 37m
London Heathrow
Tue 10/17
Nonstop8h 40m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 2/18
1 stop20h 15m
London Heathrow
Sun 3/3
1 stop15h 30m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 3/13
1 stop10h 20m
London Heathrow
Wed 3/20
1 stop26h 40m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 12/1
1 stop9h 40m
London Heathrow
Sun 12/3
2 stops15h 07m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 11/10
Nonstop8h 00m
London Heathrow
Sun 11/12
1 stop13h 20m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 11/7
Nonstop7h 40m
London Heathrow
Fri 11/17
1 stop14h 05m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sat 2/3
1 stop12h 45m
London Heathrow
Wed 2/14
1 stop14h 05m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 12/12
1 stop12h 28m
London Heathrow
Fri 12/29
1 stop14h 05m
Reviews of airlines servicing Heathrow
To help decide which airline to fly from Chicago to London, see what other customers have to say about Finnair, Icelandair and TAP AIR PORTUGAL. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Boarding
Entertainment
Comfort
Crew
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Related info for your journey
Useful info, stats and facts about O'Hare Intl to Heathrow flights.
Can I find flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $500 on Cheapflights?
Yes, there are multiple flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $500. The cheapest flight booked recently is on Scandinavian Airlines for just $413, but on average you can expect to pay $488.
Are there nonstop flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $500 on Cheapflights?
Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to London Heathrow Airport under $500. A good price for a nonstop flight from Chicago O'Hare Intl Airport to London Heathrow Airport is less than $613.
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 are the cheapest airlines flying from Chicago O'Hare Intl Airport to London Heathrow Airport round-trip?
Scandinavian Airlines, at $413, was found to be the cheapest airline from Chicago O'Hare Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Finnair and TAP AIR PORTUGAL. Users have found that Scandinavian Airlines is 42% 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?
American Airlines, Air Canada and Air France 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 Qatar Airways (79%), EL AL (79%) or Gulf Air (76%) 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 $299. On average you can expect to pay $1,625. The most popular route, (Chicago O'Hare Intl - London Heathrow), can usually be booked for $414.
What does ORD to LHR mean?
This is defined as Chicago O'Hare Intl Airport (ORD) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.
Other flights from O'Hare Intl
Flights to Heathrow from O'Hare Intl
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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.
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 departures | Early morningMidnight to 6 am |
|---|---|
| 10%of flight departures | Morning6 am to noon |
| 44%of flight departures | AfternoonNoon to 6 pm |
| 45%of flight departures | Evening6 pm to midnight |
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 | 25daily flights |
|---|---|
| Monday | 37daily flights |
| Tuesday | 35daily flights |
| Wednesday | 35daily flights |
| Thursday | 35daily flights |
| Friday | 35daily flights |
| Saturday | 25daily flights |
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How does Cheapflights help users find flights from O'Hare Intl to Heathrow?
Cheapflights makes it easy to find O'Hare Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Heathrow?
Cheapflights helps you find that perfect flight to Heathrow from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from O'Hare Intl to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Heathrow become cheaper?
Yes, Cheapflights does offer price alerts on O'Hare Intl to Heathrow flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.