Cheap flights from Prague to London Heathrow Airport
PRG — LHR
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Václav Havel Prague to London Heathrow are usually found in January or March, booked 46 days in advance, depart on a Monday or Thursday and return on a Tuesday
Find flight deals from Prague to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Prague (PRG) 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 12 December 2025.
Popular in
April
Cheapest in
January
Average price
C$ 219
Good one-way deal
C$ 655 or less
Highest demand for flights based on searches. 1% potential increase in price (C$ 3 potential increase over avg. RT price).
Best time to book a flight from Prague to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Prague with our price prediction graph.
Estimated round-trip 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.
Cheapflights Insights
Everything you need to know about your flight from Prague to London Heathrow Airport
Prices
Delays
How far ahead should I book a flight from Prague to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from Prague to Heathrow. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from Prague to London Heathrow Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Prague to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Prague to London Heathrow Airport (average of C$ 138). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of C$ 250). 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 PRG to LHR?
Find hourly flight availability from Prague 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 12 December 2025.
It’s optimal to fly from Prague to London Heathrow Airport in the afternoon. By choosing this option you can save up to 80% on the cost of your flight, compared to a flight at noon.
How often are flights from Prague to London delayed?
About 13% of weekly flights between Prague and London have experienced delays in the past year, with the average delay time being 110 minutes.
What is the most punctual flight time for Prague to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Prague to London flights?
Over the past year, British Airways has had the lowest number of delays on this route, with just 13% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Prague to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Prague to London Heathrow?
Václav Havel Prague (PRG) is the airport you will fly out of if you book a flight from Prague to London Heathrow. You should not have trouble finding flights to London Heathrow from Václav Havel Prague; the airport handles an average of 7 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Prague airport to London Heathrow. It is only a 11.2 km journey to Václav Havel Prague (PRG) from Prague’s city centre.
What are the most reliable airlines from Prague to London Heathrow Airport?
The top 3 most reliable airlines when flying from Prague to London Heathrow Airport are British Airways (81%), Japan Airlines (80%) and LATAM Airlines (78%).
Can I find deals for flights from Prague to Heathrow that include hotel bookings?
Yes. In addition to deals on Prague to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Prague to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to Heathrow.
Can I find deals for business class flights from Prague to Heathrow?
Yes. Cheapflights offers flight deals from Prague 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 Prague to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Prague to London Heathrow Airport (average of C$ 138). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of C$ 250). 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 12 December 2025.
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How does Cheapflights help users find flights from Prague to Heathrow?
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Why should you use Cheapflights to find cheap flight tickets from Prague to Heathrow?
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Can Cheapflights find flights from Prague to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from Prague shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Prague to Heathrow become cheaper?
Of course! You can now track prices for flights from Prague 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.
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