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Cheap flights from London Heathrow Airport to Ostrava from £116

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OSR
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Ostrava

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Ostrava
Explore the most affordable flight options available from Heathrow to Ostrava. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2026.

Wed 1/706:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 8/714:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 7/4£167
Wed 20/506:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 27/514:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 5/4£179
Thu 11/606:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 17/614:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 8/4£193
Thu 11/618:10
LHR
-
OSR
1 stop19h 00m
LOT
Thu 18/614:45
OSR
-
LHR
1 stop19h 35m
LOT
Deal found 8/4£196
Wed 6/518:10
LHR
-
OSR
1 stop19h 00m
LOT
Wed 13/514:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 8/4£198
Mon 20/418:10
LHR
-
OSR
1 stop19h 00m
LOT
Fri 24/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 4/4£210
Wed 22/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Sun 26/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 8/4£218
Mon 20/418:10
LHR
-
OSR
1 stop19h 00m
LOT
Thu 23/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 4/4£220
Fri 17/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Tue 21/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 4/4£221
Tue 14/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Fri 17/414:45
OSR
-
LHR
1 stop19h 35m
LOT
Deal found 4/4£230
Fri 12/606:30
LHR
-
OSR
1 stop6h 40m
LOT
Thu 18/614:45
OSR
-
LHR
1 stop19h 35m
LOT
Deal found 8/4£233

Find flight deals from Heathrow to Ostrava

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Ostrava (OSR). 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 10 April 2026.

Round-trip from

£167

One-way from

£116

Popular in

November

Cheapest in

January

Average price

£172
LOT
  • LOT
  • 1/7-8/7
  • 2 total stops
  • 14h 55m total
  • London to Ostrava
Search Deals
LOT
  • LOT
  • 12/5
  • 1 total stop
  • 6h 40m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Ostrava 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 10 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Ostrava that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 1/7

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Wed 8/7

14:45-22:00

1 stop8h 15m

£167

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 20/5

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Wed 27/5

14:45-22:00

1 stop8h 15m

£179

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 20/4

18:10-14:10

1 stop19h 00m

Ostrava Mosnov

Thu 23/4

14:45-22:00

1 stop8h 15m

£220

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 22/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Sun 26/4

14:45-22:00

1 stop8h 15m

£220

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 20/4

18:10-14:10

1 stop19h 00m

Ostrava Mosnov

Wed 22/4

14:45-09:20

1 stop19h 35m

£242

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 1/7

06:30-14:10

2 stops6h 40m

Ostrava Mosnov

Wed 8/7

14:45-22:00

1 stop8h 15m

£244
Fastest return journey

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 20/5

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Wed 27/5

14:45-20:55

2 stops7h 10m

£263

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 6/5

20:55-14:10

2 stops16h 15m

Ostrava Mosnov

Wed 13/5

14:45-22:00

1 stop8h 15m

£274

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 22/4

20:55-14:10

2 stops16h 15m

Ostrava Mosnov

Sun 26/4

14:45-22:00

1 stop8h 15m

£337
Cheapest one-way
Fastest single journey

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Tue 12/5

06:30-14:10

1 stop6h 40m

£116

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Ostrava

Have a flexible travel schedule? Discover the best time to fly to Ostrava from Heathrow 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Ostrava. 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 Ostrava from London Heathrow?

    If you book a flight to Ostrava from London Heathrow, you will be flying to Mosnov, which is the city’s only airport. Ostrava Mosnov (OSR) is located 12.2 mi from the center of Ostrava. There are 0 flights from London Heathrow to Mosnov per day from 0 different airlines.

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

    Departing from London Heathrow Airport to Ostrava will take you 6h 40m. The distance between London Heathrow Airport and Ostrava is about 821 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Ostrava by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Ostrava

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Ostrava. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ostrava?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Ostrava for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Ostrava with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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