Cheap flights from Chicago O'Hare Intl Airport to London Heathrow Airport from £206
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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
22 Jan — 29 Jan1
Return
1 adult
Economy
The best prices from Chicago O'Hare Intl to London Heathrow are usually found in February or October, booked 89 days in advance, depart on a Wednesday or Saturday and return on a Tuesday
Cheap flight deals from O'Hare Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Heathrow (LHR). 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 17 January 2025.
Explore the most affordable flight options available from O'Hare Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.
Mon 17/220:25ORD - LHR
Nonstop7h 35mIberia
Wed 5/314:10LHR - ORD
Nonstop8h 50mIberia
Deal found 16/1£488
Sat 1/219:40ORD - LHR
2 stops17h 10mScandinavian Airlines
Sun 9/215:35LHR - ORD
2 stops32h 15mScandinavian Airlines
Deal found 16/1£493
Sun 2/318:30ORD - LHR
1 stop10h 20mIcelandair
Thu 6/312:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 16/1£498
Sun 26/117:00ORD - LHR
Nonstop7h 50mFinnair
Tue 4/211:00LHR - ORD
Nonstop8h 55mFinnair
Deal found 16/1£502
Tue 4/217:06ORD - LHR
3 stops31h 24mMultiple Airlines
Tue 18/206:50LHR - ORD
3 stops20h 43mMultiple Airlines
Deal found 16/1£506
Wed 30/418:00ORD - LHR
1 stop12h 45mTAP AIR PORTUGAL
Sat 3/508:00LHR - ORD
1 stop14h 10mTAP AIR PORTUGAL
Deal found 16/1£510
Wed 12/318:35ORD - LHR
1 stop11h 35mDelta
Wed 26/306:30LHR - ORD
1 stop14h 00mDelta
Deal found 16/1£511
Tue 18/212:45ORD - LHR
1 stop11h 10mJetBlue
Fri 21/207:25LHR - ORD
1 stop15h 20mJetBlue
Deal found 16/1£528
Tue 11/322:10ORD - LHR
Nonstop8h 05mUnited Airlines
Fri 21/308:55LHR - ORD
1 stop13h 20mUnited Airlines
Deal found 16/1£529
Wed 29/117:00ORD - LHR
Nonstop7h 50mBritish Airways
Tue 11/211:00LHR - ORD
Nonstop8h 55mBritish Airways
Deal found 15/1£540
Sun 2/311:35ORD - LHR
1 stop13h 35mAir Canada
Tue 11/315:00LHR - ORD
2 stops23h 01mAir Canada
Deal found 16/1£547
Thu 20/310:55ORD - LHR
1 stop15h 10mVirgin Atlantic
Tue 25/320:25LHR - ORD
1 stop24h 05mVirgin Atlantic
Deal found 16/1£551
Best flights from O'Hare Intl to Heathrow
Discover carefully curated flight deals from O'Hare Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.
Mon 17/220:25ORD - LHR
Nonstop7h 35mIberia
Wed 5/314:10LHR - ORD
Nonstop8h 50mIberia
Deal found 16/1£488
Sat 1/219:40ORD - LHR
2 stops17h 10mScandinavian Airlines
Sun 9/215:35LHR - ORD
2 stops32h 15mScandinavian Airlines
Deal found 16/1£493
Sun 2/318:30ORD - LHR
1 stop10h 20mIcelandair
Thu 13/312:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 16/1£498
Sun 26/117:00ORD - LHR
Nonstop7h 50mFinnair
Tue 4/211:00LHR - ORD
Nonstop8h 55mFinnair
Deal found 16/1£502
Tue 4/217:06ORD - LHR
3 stops31h 24mMultiple Airlines
Tue 18/206:50LHR - ORD
3 stops20h 43mMultiple Airlines
Deal found 16/1£506
Wed 30/418:00ORD - LHR
1 stop12h 45mTAP AIR PORTUGAL
Sat 3/508:00LHR - ORD
1 stop14h 10mTAP AIR PORTUGAL
Deal found 16/1£510
Wed 12/318:35ORD - LHR
1 stop11h 35mDelta
Wed 26/306:30LHR - ORD
1 stop14h 00mDelta
Deal found 16/1£511
Tue 18/212:45ORD - LHR
1 stop11h 10mJetBlue
Fri 21/207:25LHR - ORD
1 stop15h 20mJetBlue
Deal found 16/1£528
Tue 11/315:35ORD - LHR
1 stop10h 35mUnited Airlines
Fri 21/308:55LHR - ORD
1 stop13h 20mUnited Airlines
Deal found 16/1£529
Wed 29/121:45ORD - LHR
Nonstop7h 45mBritish Airways
Fri 7/211:00LHR - ORD
Nonstop8h 55mBritish Airways
Deal found 15/1£540
Sun 2/307:20ORD - LHR
1 stop17h 50mAir Canada
Thu 13/318:00LHR - ORD
2 stops19h 00mAir Canada
Deal found 16/1£547
Thu 20/310:55ORD - LHR
1 stop15h 10mVirgin Atlantic
Wed 26/306:30LHR - ORD
1 stop14h 00mVirgin Atlantic
Deal found 16/1£551
Direct flights from O'Hare Intl to Heathrow
Explore direct flight options from O'Hare Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 January 2025.
Mon 17/220:25ORD - LHR
Nonstop7h 35mIberia
Wed 5/314:10LHR - ORD
Nonstop8h 50mIberia
Deal found 16/1£488
Tue 18/322:45ORD - LHR
Nonstop7h 45mBritish Airways
Tue 25/315:45LHR - ORD
Nonstop9h 00mBritish Airways
Deal found 15/1£497
Sun 26/117:00ORD - LHR
Nonstop7h 50mFinnair
Tue 4/211:00LHR - ORD
Nonstop8h 55mFinnair
Deal found 16/1£502
Wed 19/318:50ORD - LHR
Nonstop8h 05mUnited Airlines
Tue 1/414:10LHR - ORD
Nonstop9h 10mUnited Airlines
Deal found 16/1£544
Tue 11/319:30ORD - LHR
Nonstop7h 45mAlaska Airlines
Wed 19/311:55LHR - ORD
Nonstop8h 50mAlaska Airlines
Deal found 16/1£706
Sun 26/117:50ORD - LHR
Nonstop8h 05mBrussels Airlines
Tue 4/213:35LHR - ORD
Nonstop9h 25mBrussels Airlines
Deal found 16/1£709
Last-minute flights from O'Hare Intl to Heathrow
Discover last-minute flight deals from O'Hare Intl to Heathrow. Data last updated 17 January 2025 and is based on user searches.
Tue 21/118:30ORD - LHR
1 stop10h 20mIcelandair
Sun 2/220:40LHR - ORD
1 stop26h 40mIcelandair
Deal found 16/1£491
Wed 22/118:35ORD - LHR
Nonstop7h 40mIberia
Tue 28/111:00LHR - ORD
Nonstop8h 55mIberia
Deal found 15/1£490
Wed 22/107:20ORD - LHR
1 stop17h 50mUnited Airlines
Tue 28/106:30LHR - ORD
2 stops16h 11mUnited Airlines
Deal found 16/1£528
Wed 22/117:00ORD - LHR
Nonstop7h 50mBritish Airways
Thu 30/115:45LHR - ORD
Nonstop9h 00mBritish Airways
Deal found 15/1£540
Wed 22/119:15ORD - LHR
1 stop20h 20mTAP AIR PORTUGAL
Thu 17/708:00LHR - ORD
1 stop14h 10mTAP AIR PORTUGAL
Deal found 16/1£610
Wed 22/122:00ORD - LHR
Nonstop7h 40mBritish Airways
Wed 5/206:15LHR - ORD
1 stop14h 15mBritish Airways
Deal found 16/1£529
Wed 22/121:10ORD - LHR
Nonstop8h 05mUnited Airlines
Tue 28/108:55LHR - ORD
1 stop13h 20mUnited Airlines
Deal found 16/1£530
Thu 23/119:40ORD - LHR
2 stops17h 10mScandinavian Airlines
Thu 30/107:05LHR - ORD
2 stops16h 45mScandinavian Airlines
Deal found 16/1£493
Sat 25/105:50ORD - LHR
2 stops24h 50mMultiple Airlines
Sat 1/213:40LHR - ORD
2 stops25h 54mMultiple Airlines
Deal found 16/1£512
Sun 26/117:00ORD - LHR
Nonstop7h 50mFinnair
Tue 4/211:00LHR - ORD
Nonstop8h 55mFinnair
Deal found 16/1£502
Sun 26/107:00ORD - LHR
1 stop16h 55mJetBlue
Tue 4/208:25LHR - ORD
1 stop15h 30mJetBlue
Deal found 16/1£511
Sun 26/114:55ORD - LHR
1 stop11h 00mDelta
Tue 4/206:30LHR - ORD
2 stops15h 43mDelta
Deal found 16/1£519
One-way flights from O'Hare Intl to Heathrow
Search for one-way flight options from O'Hare Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.
Mon 24/218:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 16/1£206
Tue 4/314:58ORD - LHR
2 stops39h 52mMultiple Airlines
Deal found 16/1£210
Sun 16/212:45ORD - LHR
1 stop11h 10mJetBlue
Deal found 16/1£221
Sun 16/220:25ORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Deal found 16/1£291
Mon 17/219:40ORD - LHR
1 stop14h 20mScandinavian Airlines
Deal found 15/1£297
Mon 24/318:00ORD - LHR
Nonstop7h 50mIberia
Deal found 15/1£317
Sun 2/307:20ORD - LHR
2 stops19h 10mAir Canada
Deal found 16/1£324
Tue 21/117:00ORD - LHR
Nonstop7h 50mBritish Airways
Deal found 16/1£328
Mon 10/211:05ORD - LHR
2 stops14h 50mDelta
Deal found 16/1£337
Tue 28/109:00ORD - LHR
2 stops14h 55mUnited Airlines
Deal found 16/1£338
Tue 21/119:05ORD - LHR
2 stops17h 35mSWISS
Deal found 15/1£380
Tue 20/514:10ORD - LHR
1 stop10h 35mKLM
Deal found 15/1£386
Find flights from O'Hare Intl to Heathrow within your budget
Customise your flight search to find flights from O'Hare Intl to Heathrow 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 17 January 2025.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Mon 17/2
20:25-10:00
Nonstop7h 35m
London Heathrow
Wed 5/3
14:10-17:00
Nonstop8h 50m
£488
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sat 1/2
19:40-18:50
2 stops17h 10m
London Heathrow
Sun 9/2
15:35-17:50
2 stops32h 15m
£493
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 2/3
18:30-10:50
1 stop10h 20m
London Heathrow
Thu 6/3
12:15-17:20
1 stop11h 05m
£498
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 26/1
17:00-06:50
Nonstop7h 50m
London Heathrow
Tue 4/2
11:00-13:55
Nonstop8h 55m
£502
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 4/2
17:06-06:30
3 stops31h 24m
London Heathrow
Tue 18/2
06:50-21:33
3 stops20h 43m
£506
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 30/4
18:00-12:45
1 stop12h 45m
London Heathrow
Sat 3/5
08:00-16:10
1 stop14h 10m
£510
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 12/3
18:35-11:10
1 stop11h 35m
London Heathrow
Wed 26/3
06:30-15:30
1 stop14h 00m
£511
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 23/3
17:30-10:35
1 stop12h 05m
London Heathrow
Tue 1/4
08:40-14:10
1 stop11h 30m
£518
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 18/2
12:45-05:55
1 stop11h 10m
London Heathrow
Fri 21/2
07:25-16:45
1 stop15h 20m
£528
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 11/3
15:35-07:10
1 stop10h 35m
London Heathrow
Fri 21/3
08:55-17:15
1 stop13h 20m
£529
Flights are sorted by cheapest return flights first.
Deals found on 16/1
Showing 1-10 of 27 results
1
2
3
Best time to book a flight from O'Hare Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from O'Hare Intl to Heathrow
Get recent, data-driven insights about flights from O'Hare Intl to Heathrow including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Heathrow. Price data was last updated on 10 January 2025.
The best time to book flights from Chicago O'Hare Intl Airport to London Heathrow Airport is 89 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 Chicago O'Hare Intl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport (average of £112). Flying from Chicago O'Hare Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £161). 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 ORD to LHR?
Find hourly flight availability from O'Hare Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.
Unlike at midday, when flights are generally more expensive, you can save up to 10% on flights from Chicago O'Hare Intl Airport to London Heathrow Airport by exploring options for tickets in the morning.
Weekly flight availability from Chicago O'Hare Intl Airport to London Heathrow Airport
Explore weekly flight availability from O'Hare Intl to Heathrow. 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 17 January 2025.
The most flights from ORD to LHR are scheduled on a Wednesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (35 on average).
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 January 2025.
See what other customers who have flown with Iberia, TAP AIR PORTUGAL and Delta from Chicago to London have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to London Heathrow Airport round-trip?
Currently priced at £488, Iberia will fly you from Chicago O'Hare Intl Airport to London Heathrow Airport and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Icelandair - these airlines can fly you to your destination from £493 and £498, respectively. Iberia is currently priced 25% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to London Heathrow Airport one-way?
The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £206. However, be on the lookout for offers from JetBlue and TAP AIR PORTUGAL, as they are both options that can get you from Chicago O'Hare Intl Airport to London Heathrow Airport for a low price.
What are the most reliable airlines from Chicago O'Hare Intl Airport to London Heathrow Airport?
The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to London Heathrow Airport are Aer Lingus (70%), Iberia (68%) and American Airlines (66%).
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 £319. On average you can expect to pay £3,429. The most popular route, (Chicago O'Hare Intl - London Heathrow), can usually be booked for £377.
Can I find deals for business class flights from O'Hare Intl to Heathrow?
Yes. Cheapflights offers flight deals from O'Hare Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport (average of £112). Flying from Chicago O'Hare Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £161). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 January 2025.
Top 7 airlines flying from O'Hare Intl to Heathrow
Discover the top 7 airlines that operate flights from O'Hare Intl to Heathrow. 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 17 January 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from O'Hare Intl to Heathrow?
Cheapflights helps you search for flights from O'Hare Intl to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Heathrow?
Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from O'Hare Intl to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Heathrow become cheaper?
Of course! You can now track prices for flights from O'Hare Intl to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the vendor list.
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.