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Cheap flights from London to Prague from C$ 124

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PRG
14 Jan — 21 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Václav Havel Prague are usually found in June or January, booked 27 days in advance, depart on a Tuesday or Sunday and return on a Saturday

Cheap flight deals from London to Prague

Enter your travel dates to find the best prices.

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

Thu 25/125:35 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Tue 13/12:50 p.m.PRG - LHR
Nonstop2h 15mBritish Airways
Deal found 14/12C$ 307
Wed 24/122:25 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Thu 25/129:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 13/12C$ 317
Thu 25/121:45 p.m.LHR - PRG
1 stop4h 15mMultiple Airlines
Tue 13/14:45 p.m.PRG - LHR
1 stop5h 15mMultiple Airlines
Deal found 14/12C$ 337
Fri 26/125:05 p.m.LHR - PRG
1 stop4h 15mKLM
Mon 29/126:00 a.m.PRG - LHR
1 stop4h 00mKLM
Deal found 13/12C$ 381
Sun 28/127:50 p.m.LHR - PRG
Nonstop2h 00mBritish Airways
Wed 31/129:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 14/12C$ 390
Mon 22/125:40 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Wed 24/129:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 13/12C$ 401
Thu 18/125:05 p.m.LHR - PRG
1 stop4h 15mMultiple Airlines
Sun 18/112:40 p.m.PRG - LHR
1 stop4h 55mMultiple Airlines
Deal found 14/12C$ 402

Find flight deals from London to Prague

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Prague (PRG). 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 December 2025.

Round-trip from

C$ 185

One-way from

C$ 127

Popular in

August

Cheapest in

June

Average price

C$ 165
British Airways
  • British Airways
  • 10/1-12/1
  • Nonstop
  • 4h 10m total
  • London to Prague
Search Deals
British Airways
  • British Airways
  • 22/2
  • Nonstop
  • 2h 00m total
  • London to Prague
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Prague 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 629,999 searches. Data last updated 15 December 2025.
Use the filters below to find and compare flights from London to Prague that are best for you.

Fly from

London

Fly to

Prague

Route

Depart

Return

Price

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Sat 10/1

3:20 p.m.-6:25 p.m.

Nonstop2h 05m

Václav Havel Prague

Mon 12/1

9:35 p.m.-10:45 p.m.

Nonstop2h 10m

C$ 185

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Wed 28/1

7:05 a.m.-10:05 a.m.

Nonstop2h 00m

Václav Havel Prague

Sun 1/2

6:50 a.m.-8:15 a.m.

Nonstop2h 25m

C$ 194

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Fri 9/1

3:00 p.m.-6:05 p.m.

Nonstop2h 05m

Václav Havel Prague

Mon 12/1

9:35 p.m.-10:45 p.m.

Nonstop2h 10m

C$ 194

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Mon 9/3

7:05 a.m.-10:05 a.m.

Nonstop2h 00m

Václav Havel Prague

Thu 12/3

9:30 p.m.-10:40 p.m.

Nonstop2h 10m

C$ 208

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Mon 2/3

7:05 a.m.-10:05 a.m.

Nonstop2h 00m

Václav Havel Prague

Thu 5/3

9:30 p.m.-10:40 p.m.

Nonstop2h 10m

C$ 211

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Mon 8/6

6:35 a.m.-9:35 a.m.

Nonstop2h 00m

Václav Havel Prague

Thu 11/6

9:35 p.m.-10:35 p.m.

Nonstop2h 00m

C$ 213

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Thu 5/3

5:35 p.m.-8:40 p.m.

Nonstop2h 05m

Václav Havel Prague

Sun 8/3

6:50 a.m.-8:15 a.m.

Nonstop2h 25m

C$ 216

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Sat 28/2

7:05 a.m.-10:05 a.m.

Nonstop2h 00m

Václav Havel Prague

Sat 28/2

7:15 p.m.-8:25 p.m.

Nonstop2h 10m

C$ 219

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Mon 23/3

7:05 a.m.-10:05 a.m.

Nonstop2h 00m

Václav Havel Prague

Tue 24/3

9:20 p.m.-10:30 p.m.

Nonstop2h 10m

C$ 222

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Thu 29/1

6:45 a.m.-9:45 a.m.

Nonstop2h 00m

Václav Havel Prague

Sun 1/2

6:50 a.m.-8:15 a.m.

Nonstop2h 25m

C$ 229

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 21 results
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Best time to book a flight from London to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from London 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 London to Prague

How far ahead should I book a flight from London to Prague?

Use this chart to determine the optimal time to book a round-trip flight from London to Prague. Price data was last updated on 12 December 2025.

To ensure you get the cheapest price possible for a flight from London to Prague, you should look to book at least 27 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 London to Prague?

Currently, June is the cheapest month in which you can book a flight from London to Prague (average of C$ 33). Flying from London to Prague in December is currently the most expensive (average of C$ 88). 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 LON to PRG?

Find hourly flight availability from London to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 December 2025.

When flying from London to Prague, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from London to Prague. Price data was last updated on 14 September 2025.

Travelers seeking maximum savings on their London to Prague flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Prague

Explore weekly flight availability from London to Prague. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 December 2025.

The most flights from LON to PRG are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from London to Prague?

How often are flights from London to Prague delayed?

About 17% of weekly flights between London and Prague have experienced delays in the past year, with the average delay time being 109 minutes.

What is the most punctual flight time for London to Prague flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Prague flights?

Over the past year, Wizz Air has had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. 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 Prague. Reviews last updated 15 December 2025.
See what other customers who have flown with Ryanair and Wizz Air from London to Prague have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.8
Okay
5,220 reviews
Check prices

Comfort

6.5

Overall

6.8

Food

6.0

Boarding

6.7

Entertainment

5.6

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Kristof,Sep 2025

BUD - PRG

I paid extra for carryon luggage, but was charged additional €75 for my luggage (no, it is not too big, I fly with this Tumi all the time).
Ryanair
6.8
Okay
5,220 reviews
Ryanair
6.8
Okay
5,220 reviews
Check prices

Comfort

6.5

Overall

6.8

Food

6.0

Boarding

6.7

Entertainment

5.6

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Kristof,Sep 2025

BUD - PRG

I paid extra for carryon luggage, but was charged additional €75 for my luggage (no, it is not too big, I fly with this Tumi all the time).
Wizz Air
6.2
Okay
158 reviews
Ryanair
6.8
Okay
5,220 reviews
Check prices

Comfort

6.5

Overall

6.8

Food

6.0

Boarding

6.7

Entertainment

5.6

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Kristof,Sep 2025

BUD - PRG

I paid extra for carryon luggage, but was charged additional €75 for my luggage (no, it is not too big, I fly with this Tumi all the time).

Related info for your journey

Find useful and relevant information for your journey from London to Prague. 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 into for flights to Prague from London?

    Václav Havel Prague (PRG), located 11.2 km from the city centre, is the airport you fly into when you book flights from London to Prague. 1 airline have flights to Václav Havel Prague from London on a regular basis. Booking flights from London to Václav Havel Prague should not be difficult; the airport handles an average of 11 inbound flights from London per day.

  • How long is the flight from London to Prague?

    Departing from London to Prague will take you 2h 05m. The distance from London to Prague is about 1043 km. All flights are typically direct.

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

    Cheapflights users have booked flights from London to Prague round-trip from C$ 150.

  • What are the cheapest airlines to fly from London to Prague one-way?

    One-way options have recently been found by users for as low as C$ 48 on Wizz Air. Other airlines that offer cheap prices include British Airways from C$ 87 and easyJet from C$ 90 one-way.

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

    No one likes to see their flight delayed. When booking a flight from London to Prague consider choosing British Airways (78%), Japan Airlines (78%) or LATAM Airlines (77%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from London to Prague that include hotel bookings?

    Yes. In addition to deals on London to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Prague.

  • Can I find deals for business class flights from London to Prague?

    Yes. Cheapflights offers flight deals from London to Prague 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 London to Prague?

    Currently, June is the cheapest month in which you can book a flight from London to Prague (average of C$ 33). Flying from London to Prague in December is currently the most expensive (average of C$ 88). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Prague

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Prague flights

Top airline flying from London to Prague

Discover the top airline that operate flights from London to Prague. 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 629,999 searches. Data last updated 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 150AverageC$ 197FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Prague?

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Prague.

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

Need flexible booking options for your flight to Prague from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Prague from London today and book when prices fit your budget.

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