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Cheap flights from London Heathrow Airport to Ostrava from £143

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OSR
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 31 October 2025.

Wed 26/1110:35LHR - OSR
1 stop5h 10mLOT
Fri 28/1114:45OSR - LHR
1 stop27h 35mLOT
Deal found 29/10£190
Wed 26/1110:35LHR - OSR
1 stop5h 10mLOT
Wed 31/1217:20OSR - LHR
1 stop17h 15mLOT
Deal found 29/10£200
Wed 17/1206:30LHR - OSR
1 stop9h 15mLOT
Mon 29/1205:20OSR - LHR
1 stop5h 15mLOT
Deal found 29/10£203
Fri 28/1106:30LHR - OSR
1 stop6h 40mLOT
Mon 1/1205:20OSR - LHR
1 stop13h 00mLOT
Deal found 30/10£206
Sun 14/1218:20LHR - OSR
1 stop4h 50mLOT
Thu 18/1214:45OSR - LHR
1 stop8h 15mLOT
Deal found 29/10£228
Fri 28/1106:30LHR - OSR
1 stop6h 40mMultiple Airlines
Mon 1/1205:20OSR - LHR
2 stops14h 10mMultiple Airlines
Deal found 30/10£252
Wed 26/1106:30LHR - OSR
1 stop9h 15mMultiple Airlines
Fri 28/1114:45OSR - LHR
2 stops7h 05mMultiple Airlines
Deal found 29/10£281
Wed 26/1111:05LHR - OSR
2 stops26h 05mMultiple Airlines
Wed 31/1217:20OSR - LHR
2 stops29h 00mMultiple Airlines
Deal found 29/10£285
Wed 17/1211:05LHR - OSR
2 stops26h 05mMultiple Airlines
Mon 29/1205:20OSR - LHR
2 stops17h 00mMultiple Airlines
Deal found 29/10£291

Cheap 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 31 October 2025.

Round-trip from

£190

One-way from

£143

Popular in

July

Cheapest in

May

Average price

£77
LOT
  • LOT
  • 26/11-28/11
  • 2 total stops
  • 32h 45m total
  • London to Ostrava
Search Deals
LOT
  • LOT
  • 25/12
  • 1 total stop
  • 26h 35m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 2025.
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 26/11

10:35-16:45

1 stop5h 10m

Ostrava Mosnov

Fri 28/11

14:45-17:20

1 stop27h 35m

£190

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 26/11

10:35-16:45

1 stop5h 10m

Ostrava Mosnov

Wed 31/12

17:20-09:35

1 stop17h 15m

£200

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 17/12

06:30-16:45

1 stop9h 15m

Ostrava Mosnov

Mon 29/12

05:20-09:35

1 stop5h 15m

£203

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 28/11

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Mon 1/12

05:20-17:20

1 stop13h 00m

£206

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sun 14/12

18:20-00:10

1 stop4h 50m

Ostrava Mosnov

Thu 18/12

14:45-22:00

1 stop8h 15m

£228

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 28/11

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Mon 1/12

05:20-18:30

2 stops14h 10m

£252

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 26/11

06:30-16:45

1 stop9h 15m

Ostrava Mosnov

Fri 28/11

14:45-20:50

2 stops7h 05m

£281

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 17/12

11:05-14:10

2 stops26h 05m

Ostrava Mosnov

Mon 29/12

05:20-21:20

2 stops17h 00m

£291

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 26/11

06:50-14:10

2 stops30h 20m

Ostrava Mosnov

Wed 31/12

17:20-09:35

1 stop17h 15m

£367

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 15/12

18:20-14:10

1 stop18h 50m

£145

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 19 results
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 5h 10m. 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

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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.
London City to Ostrava flights
Gatwick to Ostrava flights
Luton 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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