$57 Cheap Flights from Cologne (CGN) to London (LHR)

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Find available prices by choosing your travel dates.

Cheap Flights from Cologne to London (CGN-LHR)

Prices were available within the past 7 days and start at $57 for one-way flights and $115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eurowings
Eurowings
Eurowings
Eurowings
British Airways
British Airways
Eurowings
Lufthansa
Austrian Airlines
Swiss International Air Lines
Flights from Cologne (CGN) to London (LHR)
Origin airport
Cologne - Bonn
Destination airport
Heathrow
Airlines serving
Austrian Airlines, British Airways, Eurowings, Lufthansa, Swiss International Air Lines
Roundtrip price
$115
Distance
329 mi

Cologne to London Flights

The cheapest times to fly from Cologne to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cologne to London are during the month of May. You can find some of the cheapest flights from Cologne to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cologne to London

Sunday is one of the best days to book for cheap flights from Cologne to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Cologne to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cologne to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $57 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cologne to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cologne to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR) cost?
You can land cheap return fares from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR) starting at $117. Grab a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Eurowings flight leaving CGN on May 4 2025 and touching down at LHR. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from CGN to LHR?
The cheapest flights from CGN to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
Take a nonstop flight with Eurowings and fly straight from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR).
What is the cheapest airline that flies from CGN to LHR?
With fares starting at $58 for a one-way flight from CGN to LHR, Eurowings is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CGN on June 29 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
With an average of 4 nonstop flights departing from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR) every day, you’ll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
Flights between CGN and LHR are busiest at 8 AM. If you’d like a quieter trip and possibly cheaper prices, choose a departure that’s outside typical rush times.
What day of the week has the most flights from CGN to LHR?
Depart on a Thursday if you’re after the best choice of flights from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR).
What is the earliest flight from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
Take the earliest flight at around 7:30AM UTC+1, departing from Cologne - Bonn Airport (CGN). You’ll be flying for about 1h 30m, reaching Heathrow Airport (LHR) at approximately 8:00AM UTC+0.
How long does it take to fly from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
It takes about 1 hour and 30 minutes to fly the 330 mi from CGN to LHR.
What airline has the least delays from CGN to LHR?
United Airlines has the best track record for on-time direct flights from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR), with an on-time score of 82%. Use the Expedia App to check your flight status before you take off and get notified of any changes.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
To reach Heathrow Airport (LHR) without delays, select a flight that leaves from Cologne - Bonn Airport (CGN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for London from Cologne - Bonn Airport (CGN)?
Take a direct flight from Cologne - Bonn Airport (CGN) to London and land at Heathrow Airport (LHR). Another entry point into this city is Stansted Airport (STN).
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR) last-minute?
Last-minute bookings from CGN to LHR are usually more expensive. For the cheapest rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book a CGN to LHR flight and hotel package?
You can save money by booking a CGN to LHR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your preferred flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Heathrow Airport (LHR)?
In most instances, you can cancel or modify your CGN to LHR flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you’d like more information, go to our Customer Service portal.

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