Cheap flights from London Heathrow Airport to Chicago O'Hare Intl Airport from £319
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
The best prices from London Heathrow to Chicago O'Hare Intl are usually found in February or April, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Heathrow to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2025.
Round-trip from | £418 |
---|---|
One-way from | £319 |
Popular in | August |
Cheapest in | February |
Average price | £495 |
Good round-trip deal | £553 or less |
Good one-way deal | £571 or less |
Find flight deals from Heathrow to O'Hare Intl
Cheapest flights from Heathrow to O'Hare IntlExplore the most affordable flight options available from Heathrow to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.
Explore the most affordable flight options available from Heathrow to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.
Find flights from Heathrow to O'Hare Intl within your budget
Customise your flight search to find flights from Heathrow to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 23/4
08:40-15:55
1 stop13h 15m
Chicago O'Hare Intl
Wed 30/4
16:05-06:20
Nonstop8h 15m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 17/3
06:00-15:05
1 stop14h 05m
Chicago O'Hare Intl
Tue 25/3
18:50-07:55
Nonstop8h 05m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 26/4
06:00-12:10
1 stop12h 10m
Chicago O'Hare Intl
Fri 9/5
15:45-19:20
1 stop21h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 11/3
08:55-19:37
2 stops15h 42m
Chicago O'Hare Intl
Tue 18/3
15:35-07:10
1 stop10h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 15/4
21:25-21:15
1 stop29h 50m
Chicago O'Hare Intl
Tue 29/4
19:30-11:55
1 stop10h 25m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sun 20/4
12:15-14:45
Nonstop8h 30m
Chicago O'Hare Intl
Sun 4/5
22:20-12:15
Nonstop7h 55m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 23/4
09:15-11:45
Nonstop8h 30m
Chicago O'Hare Intl
Tue 29/4
17:45-07:20
Nonstop7h 35m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 13/3
13:35-18:00
Nonstop9h 25m
Chicago O'Hare Intl
Wed 19/3
16:15-08:45
1 stop11h 30m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 18/3
06:20-21:26
2 stops20h 06m
Chicago O'Hare Intl
Mon 24/3
17:30-10:35
1 stop12h 05m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Fri 14/3
06:50-19:55
2 stops18h 05m
Chicago O'Hare Intl
Sun 16/3
20:05-21:40
1 stop20h 35m
Best time to book a flight from Heathrow to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Heathrow with our price prediction graph.
Travel insights for flights from Heathrow to O'Hare Intl
Get recent, data-driven insights about flights from Heathrow to O'Hare Intl including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a return flight from Heathrow to O'Hare Intl. Price data was last updated on 14 February 2025.
The best time to book flights from London Heathrow Airport to Chicago O'Hare Intl Airport is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Heathrow Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to ORD?
Find hourly flight availability from Heathrow to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.
It’s typically best to fly out from London Heathrow Airport to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from London Heathrow Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly return from Heathrow to O'Hare Intl. Price data was last updated on 16 February 2025.
Travellers seeking maximum savings on their London Heathrow Airport to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London Heathrow Airport to Chicago O'Hare Intl Airport
Explore weekly flight availability from Heathrow to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 February 2025.
The most flights from LHR to ORD are scheduled on a Monday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (34 on average).
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 20 February 2025.
See what other customers who have flown with Delta, Finnair and Austrian Airlines from London to Chicago have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Boarding
Overall
Food
Comfort
Crew
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Heathrow to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Fly from Heathrow to O'Hare Intl on these airlines
Choose from the following airlines for your flight from Heathrow to O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 20 February 2025.
Top 10 airlines flying from Heathrow to O'Hare Intl
Discover the top 10 airlines that operate flights from Heathrow to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.
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How does Cheapflights help users find flights from Heathrow to O'Hare Intl?
Deals for Heathrow to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to O'Hare Intl?
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Can Cheapflights find flights from Heathrow to O'Hare Intl with no change fees?
Certainly. Search results for flights to O'Hare Intl from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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