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Cheap flights from Prague to London Heathrow Airport from £49

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — LHR
22 Apr — 29 Apr1
1 adult
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 87 days in advance, depart on a Saturday or Wednesday and return on a Sunday

Cheap flight deals from Prague to Heathrow

Enter your travel dates to find the best prices.

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 23 March 2026.

Sat 2/520:35
PRG
-
LHR
Nonstop2h 00m
British Airways
Wed 6/506:35
LHR
-
PRG
Nonstop1h 55m
British Airways
Deal found 22/3£103
Tue 21/417:10
PRG
-
LHR
Nonstop2h 15m
British Airways
Sun 26/420:20
LHR
-
PRG
Nonstop1h 50m
British Airways
Deal found 20/3£104
Sat 4/420:35
PRG
-
LHR
Nonstop2h 00m
British Airways
Sat 11/407:15
LHR
-
PRG
Nonstop1h 55m
British Airways
Deal found 22/3£105
Sat 2/520:35
PRG
-
LHR
Nonstop2h 00m
British Airways
Mon 4/506:35
LHR
-
PRG
Nonstop1h 55m
British Airways
Deal found 21/3£106
Fri 17/420:55
PRG
-
LHR
Nonstop2h 00m
British Airways
Sun 19/406:50
LHR
-
PRG
Nonstop1h 55m
British Airways
Deal found 20/3£110
Sat 4/420:35
PRG
-
LHR
Nonstop2h 00m
British Airways
Wed 8/406:35
LHR
-
PRG
Nonstop1h 55m
British Airways
Deal found 19/3£111

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 23 March 2026.

Round-trip from

£103

One-way from

£49

Popular in

June

Cheapest in

January

Average price

£108

Good round-trip deal

£150 or less

Good one-way deal

£144 or less
British Airways
  • British Airways
  • 2/5-6/5
  • Nonstop
  • 3h 55m total
  • Prague to London
Search Deals
British Airways
  • British Airways
  • 9/5
  • Nonstop
  • 2h 00m total
  • Prague to London
Search Deals
Highest demand for flights based on searches. 19% 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).
Search Deals
Average for round-trip flights in March 2026
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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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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 23 March 2026.
Use the filters below to find and compare flights from Prague to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 2/5

20:35-21:35

Nonstop2h 00m

London Heathrow

Mon 4/5

06:35-09:30

Nonstop1h 55m

£109

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 2/5

20:35-21:35

Nonstop2h 00m

London Heathrow

Thu 7/5

06:15-09:10

Nonstop1h 55m

£124

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Thu 23/4

21:35-22:35

Nonstop2h 00m

London Heathrow

Mon 27/4

06:35-09:30

Nonstop1h 55m

£136

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Thu 23/4

21:35-22:35

Nonstop2h 00m

London Heathrow

Sun 26/4

06:50-09:45

Nonstop1h 55m

£137

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 1/5

20:55-21:55

Nonstop2h 00m

London Heathrow

Mon 4/5

06:35-09:30

Nonstop1h 55m

£141

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 24/4

20:55-21:55

Nonstop2h 00m

London Heathrow

Sun 26/4

06:50-09:45

Nonstop1h 55m

£143
Fastest return journey

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Fri 22/5

20:55-21:55

Nonstop2h 00m

London Heathrow

Mon 25/5

20:25-23:15

Nonstop1h 50m

£147

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Sat 23/5

14:05-15:15

Nonstop2h 10m

London Heathrow

Wed 27/5

06:35-09:30

Nonstop1h 55m

£151

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Wed 1/4

06:30-07:45

Nonstop2h 15m

London Heathrow

Wed 8/4

06:35-09:30

Nonstop1h 55m

£154

PragueLondon

PRG - LHR

PRGLHR

Václav Havel Prague

Thu 16/7

16:45-17:55

Nonstop2h 10m

London Heathrow

Mon 20/7

20:25-23:15

Nonstop1h 50m

£158

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 23 resultsSorted by cheapest first
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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 13 March 2026.

Booking 87 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 £75). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of £150). 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 23 March 2026.

It’s typically best to fly out from Prague to London Heathrow Airport in the afternoon. Doing so could potentially save you 74% 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 March 2026.

Travellers seeking maximum savings on their Prague to London Heathrow Airport flight should consider departing on Sunday 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.

How much does it cost for a return flight from Prague to London Heathrow Airport?

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 23 March 2026.
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
7,813 reviews
Check prices

Comfort

6.8

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,813 reviews
British Airways
6.7
Okay
7,813 reviews
Check prices

Comfort

6.8

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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 2 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. 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 £98, was found to be the cheapest airline from Prague to London Heathrow Airport.. British Airways is priced at 31% 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 British Airways (90%), LATAM Airlines (88%) or Cathay Pacific (88%) 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 £899, our data indicates the cheapest price to be £108. The most popular route (Václav Havel Prague - London Heathrow), is priced around £104.

  • 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 £75). Flying from Prague to London Heathrow Airport in August is currently the most expensive (average of £150). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

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 Luton flights
Prague to Gatwick flights
Prague to London City flights
Prague to Stansted 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£98Average£171FlexibilityNo 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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