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Cheap flights from London Heathrow Airport to Ostrava from £141

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OSR
26 Mar — 2 Apr1
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 24 February 2026.

Tue 30/606:30
LHR
-
OSR
1 stop6h 40m
LOT
Sun 5/714:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 23/2£162
Sun 12/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 29/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 21/2£172
Sun 5/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 15/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 24/2£172
Wed 8/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Wed 15/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 22/2£173
Fri 28/806:30
LHR
-
OSR
1 stop6h 40m
LOT
Sun 13/914:45
OSR
-
LHR
1 stop27h 25m
LOT
Deal found 23/2£182
Fri 10/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Fri 17/414:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 24/2£184
Fri 10/406:30
LHR
-
OSR
1 stop6h 40m
LOT
Sun 12/414:45
OSR
-
LHR
1 stop27h 25m
LOT
Deal found 22/2£191
Fri 20/306:30
LHR
-
OSR
1 stop6h 40m
LOT
Mon 23/305:20
OSR
-
LHR
1 stop5h 15m
LOT
Deal found 23/2£192
Wed 18/306:30
LHR
-
OSR
1 stop9h 15m
LOT
Fri 20/314:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 23/2£203
Thu 19/306:30
LHR
-
OSR
1 stop6h 40m
LOT
Mon 23/305:20
OSR
-
LHR
1 stop17h 40m
LOT
Deal found 23/2£216
Tue 3/318:20
LHR
-
OSR
1 stop21h 25m
LOT
Thu 12/314:45
OSR
-
LHR
1 stop27h 35m
LOT
Deal found 23/2£221

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 24 February 2026.

Round-trip from

£162

One-way from

£141

Popular in

November

Cheapest in

January

Average price

£155
LOT
  • LOT
  • 30/6-5/7
  • 2 total stops
  • 14h 55m total
  • London to Ostrava
Search Deals
LOT
  • LOT
  • 26/3
  • 1 total stop
  • 6h 40m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 24 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Ostrava that are best for you.

Fly from

Heathrow

Fly to

Ostrava

Route

Depart

Return

Price

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 8/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Wed 15/4

14:45-22:00

1 stop8h 15m

£173

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 10/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Sun 12/4

14:45-17:10

1 stop27h 25m

£191

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 18/3

06:30-16:45

1 stop9h 15m

Ostrava Mosnov

Fri 20/3

14:45-22:00

1 stop8h 15m

£203

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 9/3

10:25-14:10

1 stop26h 45m

Ostrava Mosnov

Fri 13/3

14:45-22:00

1 stop8h 15m

£246

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 21/3

20:50-00:10

2 stops26h 20m

Ostrava Mosnov

Mon 23/3

05:20-09:35

1 stop5h 15m

£264

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 8/4

14:45-14:10

2 stops22h 25m

Ostrava Mosnov

Wed 15/4

14:45-07:40

2 stops17h 55m

£400

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 14/3

19:55-00:10

2 stops27h 15m

Ostrava Mosnov

Mon 16/3

05:20-17:20

1 stop13h 00m

£529

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 7/3

20:50-00:10

3 stops26h 20m

Ostrava Mosnov

Mon 9/3

05:20-09:35

1 stop5h 15m

£557

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 18/3

14:45-14:10

2 stops22h 25m

Ostrava Mosnov

Fri 20/3

14:45-16:35

3 stops26h 50m

£572

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Thu 26/3

06:30-14:10

1 stop6h 40m

£141

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 13 results
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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.
Stansted to Ostrava flights
Gatwick to Ostrava flights
Luton to Ostrava flights
London City to Ostrava flights
Southend to Ostrava flights

Fly with Cheapflights

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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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