Cheap flights from Chicago to London Heathrow Airport from £158
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to London Heathrow Airport departing on 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Scandinavian Airlines flights from Chicago to London Heathrow Airport
Our best Scandinavian Airlines deals on Chicago to London Heathrow Airport flight tickets
British Airways flights from Chicago to London Heathrow Airport
Our best British Airways deals on Chicago to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Chicago to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, February is the cheapest month to fly from Chicago to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £517. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Chicago averaging around £535.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Chicago is on a Thursday. momondo users have found tickets for Thursday departures for as low as £608. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £790.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Chicago to London Heathrow Airport at midday for as low as £607. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £683 on average. Flights to London Heathrow Airport from Chicago in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Chicago to London Heathrow flight route?
Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
Most flyers found that booking tickets 8 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around £631. However, in the past 72 hours, people saw flights from Chicago for as low as £415.
What cabin class options are available on Chicago to London Heathrow flights?
There are 4 cabin classes available to choose from on Chicago to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago to London Heathrow Airport flights?
You could potentially save up to 47% on your flight if you consider stops on a Chicago to London Heathrow Airport flight.
How have Chicago to London Heathrow Airport flight prices changed over time?
As of December 2024, prices for Chicago to London Heathrow Airport flights are approximately 46% cheaper when compared to flights at the same time last year.
How many flights depart from Chicago to London Heathrow Airport on average per day?
As of December 2024, there are 35 flights per day flying from Chicago to London Heathrow Airport. The most common time of day flights depart is 17:00, with 69% of flights taking off in the evening.
How many flights depart from Chicago to London Heathrow Airport on average per week?
The number of flights available between Chicago and London Heathrow Airport is 248 per week as of December 2024. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
When to book flights from Chicago to London Heathrow Airport
Cheap Chicago to London Heathrow Airport (CHI to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to London Heathrow Airport
How far is Chicago to London Heathrow by plane?
A flight from Chicago to London Heathrow will travel around 3933.5 mi. 7h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to London Heathrow Airport?
Prices for flights from Chicago to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Chicago to London Heathrow Airport?
The number of operators available for flights from Chicago to London Heathrow Airport is 8 as of December 2024.
How old do you have to be to fly from Chicago to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to London Heathrow Airport?
Based on momondo bookings for flights between Chicago and London Heathrow Airport, the leading plane model is Boeing 787-9 Dreamliner, making up 42.25% of the total bookings. Other popular models include Boeing 777 with 23.52%, Boeing 767-300 with 14.95%, and Boeing 787-10 Dreamliner with 8.88%.
What is the most popular airline from Chicago to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to London Heathrow Airport is British Airways (39% of total bookings). The next most popular airlines are Iberia (17%), Lufthansa (9%), and Finnair (8%).
Best airlines flying from Chicago to London Heathrow Airport
Compare and see reviews for airlines that fly from Chicago to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £320 | Free Cancellation | Rating 6.8 7,091 reviews | |||
| PriceFrom £343 | Free Cancellation | Rating 7.3 1,309 reviews | |||
| PriceFrom £404 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £453 | Free Cancellation | Rating 7.7 1,285 reviews | |||
| PriceFrom £468 | Free Cancellation | Rating 7.1 1,073 reviews | |||
| PriceFrom £491 | Free Cancellation | Rating 6.6 6,820 reviews | |||
| PriceFrom £519 | Free Cancellation | Rating 7.0 2,656 reviews | |||
| PriceFrom £532 | Free Cancellation | Rating 7.4 9,055 reviews |
Finnair Flights From Chicago to London Heathrow Airport
Finnair is one of the most popular airlines flying from Chicago to London Heathrow Airport, operating 23 flights/week on average for this route. A good Finnair flight deal for Chicago to London Heathrow Airport starts from £576 round-trip, up to an average price of £927. Our users have rated Finnair at 7.7/10.
United Airlines Flights From Chicago to London Heathrow Airport
The best United Airlines deal for Chicago to London Heathrow Airport flight tickets found on momondo in the last 72 hours was £676, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at £883 round-trip. United Airlines operates 14 flights out of Chicago into London Heathrow Airport in an average week, so prices vary by time and availability. 9,055 United Airlines reviews by users on momondo have scored the airline at 7.4/10.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to London. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to London with flexible booking policies on momondo?
Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to London?
Once all potential Chicago to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.