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Cheap flights from Prague to London Heathrow Airport from £38

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — LHR
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Václav Havel Prague to London Heathrow are usually found in January or March, booked 88 days in advance, depart on a Thursday or Sunday and return on a Monday

Cheap 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 15 September 2025.

Round-trip from

£85

One-way from

£38

Popular in

July

Cheapest in

January

Average price

£138

Good round-trip deal

£117 or less

Good one-way deal

£60 or less
British Airways
  • British Airways
  • 3/10-5/10
  • Nonstop
  • 4h 10m total
  • Prague to London
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British Airways
  • British Airways
  • 21/11
  • Nonstop
  • 2h 25m total
  • Prague to London
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Highest demand for flights based on searches. 21% potential increase in price (£26 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Václav Havel Prague to London Heathrow.
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Price to beat on a one-way flight from Václav Havel Prague to London Heathrow.
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Find flight deals from Prague to Heathrow

Cheapest flights from Prague to Heathrow
Explore the most affordable flight options available from Prague to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Fri 3/1020:15PRG - LHR
Nonstop2h 10mBritish Airways
Sun 5/1006:50LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 14/9£85
Sat 15/1119:15PRG - LHR
Nonstop2h 10mBritish Airways
Thu 20/1119:50LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 13/9£89
Fri 17/1021:00PRG - LHR
Nonstop1h 55mBritish Airways
Sun 19/1006:50LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 13/9£90
Wed 19/1121:30PRG - LHR
Nonstop2h 10mBritish Airways
Sat 22/1107:05LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 14/9£91
Wed 15/1021:15PRG - LHR
Nonstop2h 00mBritish Airways
Sat 18/1020:00LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 14/9£91
Sat 4/1017:45PRG - LHR
Nonstop2h 10mBritish Airways
Sun 5/1006:50LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 15/9£92
Tue 21/1021:10PRG - LHR
Nonstop2h 00mBritish Airways
Thu 23/1020:05LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 13/9£93
Thu 13/1106:45PRG - LHR
Nonstop2h 25mBritish Airways
Sun 16/1119:50LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 15/9£93
Wed 12/1121:30PRG - LHR
Nonstop2h 10mBritish Airways
Thu 13/1117:35LHR - PRG
Nonstop2h 05mBritish Airways
Deal found 14/9£94
Fri 21/1106:00PRG - LHR
Nonstop2h 25mBritish Airways
Sun 23/1116:45LHR - PRG
Nonstop2h 05mBritish Airways
Deal found 14/9£95
Wed 15/1021:15PRG - LHR
Nonstop2h 00mBritish Airways
Tue 21/1006:35LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 15/9£96
Fri 17/1021:00PRG - LHR
Nonstop1h 55mBritish Airways
Wed 22/1020:35LHR - PRG
Nonstop2h 00mBritish Airways
Deal found 15/9£96

Cheapflights Fare Finder

 
Customise your flight search to find flights from Prague 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 15 September 2025.
Use the filters below to find and compare flights from Prague to London Heathrow Airport that are best for you.

Fly from

Prague

Fly to

Heathrow

Route

Depart

Return

Price

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Tue 3/3

06:45-08:10

Nonstop2h 25m

London Heathrow

Fri 6/3

19:50-22:50

Nonstop2h 00m

£89

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 15/11

19:15-20:25

Nonstop2h 10m

London Heathrow

Tue 18/11

19:50-22:50

Nonstop2h 00m

£92

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Tue 21/10

21:10-22:10

Nonstop2h 00m

London Heathrow

Thu 23/10

20:05-23:05

Nonstop2h 00m

£93

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 18/10

21:35-22:45

Nonstop2h 10m

London Heathrow

Sun 19/10

06:50-09:50

Nonstop2h 00m

£96

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 27/2

19:00-20:10

Nonstop2h 10m

London Heathrow

Tue 3/3

17:30-20:35

Nonstop2h 05m

£96

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 17/10

21:00-21:55

Nonstop1h 55m

London Heathrow

Sun 19/10

06:50-09:50

Nonstop2h 00m

£96

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 17/10

21:00-21:55

Nonstop1h 55m

London Heathrow

Mon 20/10

06:35-09:35

Nonstop2h 00m

£104

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Wed 15/10

21:15-22:15

Nonstop2h 00m

London Heathrow

Mon 20/10

06:35-09:35

Nonstop2h 00m

£104

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 18/10

21:35-22:45

Nonstop2h 10m

London Heathrow

Mon 20/10

06:35-09:35

Nonstop2h 00m

£104

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Mon 24/11

21:35-22:45

Nonstop2h 10m

London Heathrow

Thu 27/11

19:50-22:50

Nonstop2h 00m

£106

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 19 results
1
2

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 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.

Cheapflights Insights

Everything you need to know about your flight from Prague to London Heathrow Airport

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 return flight from Prague to Heathrow. Price data was last updated on 12 September 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Prague to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 £112). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of £164). 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 15 September 2025.

It’s typically best to fly out from Prague to London Heathrow Airport in the evening. Doing so could potentially save you 83% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Prague to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Prague to Heathrow. Price data was last updated on 14 September 2025.

Travellers seeking maximum savings on their Prague to London Heathrow Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 September 2025.
Check out reviews from past customers who have flown with British Airways from Prague to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews
Check prices

Food

6.3

Comfort

6.7

Crew

7.6

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews
Check prices

Food

6.3

Comfort

6.7

Crew

7.6

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    Most people fly from Václav Havel Prague (PRG) if they book a flight from Prague to London Heathrow. On average, Václav Havel Prague has 7 outbound flights to London Heathrow per day from 1 airline. Václav Havel Prague is conveniently located just 6.9 mi from Prague’s city center.

  • How long is the flight from Prague to London Heathrow Airport?

    There are many flights that can get you from Prague to London Heathrow Airport in 2h 25m. Fly via British Airways to get the fastest option. The distance from Prague to London Heathrow Airport is about 648 mi. All flights are typically direct.

  • What is the cheapest airline to fly from Prague to London Heathrow Airport round-trip?

    British Airways, at £81, was found to be the cheapest airline from Prague to London Heathrow Airport.. British Airways is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Prague to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Prague to London Heathrow Airport consider choosing American Airlines (84%), Japan Airlines (84%) or British Airways (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Prague to London Heathrow Airport?

    Looking for the cheapest flight from Prague to London Heathrow Airport? While on average our users pay £141, our data indicates the cheapest price to be £44. The most popular route (Václav Havel Prague - London Heathrow), is priced around £88.

  • 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 holiday 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 £112). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Prague to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Prague to Stansted flights
Prague to London City flights
Prague to Luton flights
Prague to Gatwick flights
Prague to Southend flights

Top airline flying from Prague to Heathrow

Discover the top airline that operate flights from Prague 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£81Average£166FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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 Prague to Heathrow?

Cheapflights helps you search for flights from Prague 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 Prague to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Prague.

Can Cheapflights find flights from Prague to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Prague to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Prague to Heathrow become cheaper?

Yes! Start tracking prices for Prague to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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