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Cheap flights from London Heathrow Airport to Prague from C$ 123

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PRG
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Václav Havel Prague are usually found in January or March, booked 74 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Heathrow to Prague

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Prague
Explore the most affordable flight options available from Heathrow to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 30/127:50 p.m.LHR - PRG
Nonstop2h 00mBritish Airways
Wed 7/19:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 10/12C$ 211
Fri 12/127:10 a.m.LHR - PRG
Nonstop2h 00mBritish Airways
Sun 14/126:50 a.m.PRG - LHR
Nonstop2h 25mBritish Airways
Deal found 11/12C$ 284
Mon 29/127:50 p.m.LHR - PRG
Nonstop2h 00mBritish Airways
Wed 7/19:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 10/12C$ 303
Wed 31/122:25 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Wed 31/129:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 11/12C$ 330
Wed 24/122:25 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Thu 25/129:30 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 11/12C$ 331
Tue 30/126:00 a.m.LHR - PRG
1 stop9h 00mAustrian Airlines
Wed 7/17:25 a.m.PRG - LHR
1 stop15h 15mAustrian Airlines
Deal found 10/12C$ 348
Thu 11/125:35 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Sun 14/126:50 a.m.PRG - LHR
Nonstop2h 25mBritish Airways
Deal found 11/12C$ 375
Tue 30/127:50 p.m.LHR - PRG
Nonstop2h 00mBritish Airways
Mon 5/19:35 p.m.PRG - LHR
Nonstop2h 10mBritish Airways
Deal found 10/12C$ 378
Mon 22/125:40 p.m.LHR - PRG
Nonstop2h 05mBritish Airways
Wed 24/126:50 a.m.PRG - LHR
Nonstop2h 25mBritish Airways
Deal found 11/12C$ 379

Find flight deals from Heathrow to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 12 December 2025.

Round-trip from

C$ 193

One-way from

C$ 123

Popular in

May

Cheapest in

January

Average price

C$ 353
British Airways
  • British Airways
  • 10/1-12/1
  • Nonstop
  • 4h 10m total
  • London to Prague
Search Deals
British Airways
  • British Airways
  • 15/3
  • Nonstop
  • 2h 00m total
  • London to Prague
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 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 Heathrow 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 12 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Prague that are best for you.

Fly from

Heathrow

Fly to

Prague

Route

Depart

Return

Price

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Wed 11/3

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

Nonstop2h 00m

Václav Havel Prague

Mon 16/3

6:45 a.m.-8:10 a.m.

Nonstop2h 25m

C$ 203

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Thu 15/1

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

Nonstop2h 00m

Václav Havel Prague

Sun 18/1

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

Nonstop2h 25m

C$ 203

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Sun 15/3

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$ 204

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Sat 18/4

7:15 a.m.-10:15 a.m.

Nonstop2h 00m

Václav Havel Prague

Tue 21/4

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

Nonstop2h 00m

C$ 205

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$ 208

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 26/1

7:50 p.m.-10:50 p.m.

Nonstop2h 00m

Václav Havel Prague

Mon 2/2

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

Nonstop2h 10m

C$ 208

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Thu 8/1

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

Nonstop2h 00m

Václav Havel Prague

Mon 12/1

9:35 p.m.-10:45 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$ 214

LondonPrague

LHR - PRG

LHRPRG

London Heathrow

Sun 10/5

6:50 a.m.-9:50 a.m.

Nonstop2h 00m

Václav Havel Prague

Wed 13/5

9:15 p.m.-10:15 p.m.

Nonstop2h 00m

C$ 215

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 20 results
1
2

Best time to book a flight from Heathrow to Prague

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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Prague. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Prague, you should look to book at least 74 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 Heathrow Airport to Prague?

Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Prague (average of C$ 101). Flying from London Heathrow Airport to Prague in July is currently the most expensive (average of C$ 203). 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 LHR to PRG?

Find hourly flight availability from Heathrow 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 12 December 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Prague in the evening. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight at noon.

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

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 12 December 2025.
Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Prague by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews
Check prices

Food

6.4

Boarding

6.9

Comfort

6.7

Overall

6.7

Entertainment

6.4

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews
Check prices

Food

6.4

Boarding

6.9

Comfort

6.7

Overall

6.7

Entertainment

6.4

Crew

7.6

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    For a flight from London Heathrow to Prague, you will be flying into Václav Havel Prague. Václav Havel Prague (PRG) is just 11.2 km from the centre of the city. Václav Havel Prague is the only Prague airport and it handles 5 inbound flights from London Heathrow per day. 1 airline has flights to Václav Havel Prague from London Heathrow on a regular basis.

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

    For as low as C$ 203, British Airways can have you in Prague from London Heathrow Airport in 2h. There are 1043 km between London Heathrow Airport and Prague. Generally, flights for this route are direct.

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

    According to our current data, British Airways (C$ 151), offers the cheapest pricing from London Heathrow Airport to Prague. British Airways is currently priced 51% below the average price you’ll pay for this route.

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

    Before booking your flight to Prague from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: British Airways (78%), Japan Airlines (78%), LATAM Airlines( 77%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Prague?

    Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Prague (average of C$ 101). Flying from London Heathrow Airport to Prague in July is currently the most expensive (average of C$ 203). 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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Top airline flying from Heathrow to Prague

Discover the top airline that operate flights from Heathrow 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 151AverageC$ 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 Heathrow to Prague?

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

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

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

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

Yes, Cheapflights offers price alerts on Heathrow to Prague flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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