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Cheap flights from London Heathrow Airport to Ostrava from £123

LHR — OSR
17 Sep — 24 Sep1
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

Tue 29/910:20 -
1 stop26h 50m
Tue 6/1014:45 -
1 stop19h 35m
Deal found 15/8£182
Fri 2/1006:30 -
1 stop6h 35m
Fri 9/1014:45 -
1 stop8h 15m
Deal found 18/8£202
Thu 1/1010:20 -
1 stop26h 45m
Sun 4/1014:45 -
1 stop8h 15m
Deal found 17/8£206
Tue 8/906:30 -
1 stop6h 40m
Fri 11/914:45 -
1 stop19h 35m
Deal found 14/8£211
Mon 7/918:10 -
1 stop19h 00m
Fri 11/914:45 -
1 stop19h 35m
Deal found 14/8£239
Wed 9/918:10 -
1 stop19h 00m
Wed 16/914:45 -
1 stop8h 15m
Deal found 18/8£249
Mon 7/918:10 -
1 stop19h 00m
Wed 9/914:45 -
1 stop19h 35m
Deal found 14/8£251
Sat 5/918:10 -
1 stop19h 00m
Tue 8/914:45 -
1 stop19h 35m
Deal found 14/8£260
Wed 9/918:10 -
1 stop19h 00m
Sun 13/914:45 -
1 stop19h 35m
Deal found 14/8£264
Mon 7/918:10 -
1 stop19h 00m
Thu 10/914:45 -
1 stop8h 15m
Deal found 14/8£271
Sun 6/906:30 -
1 stop6h 40m
Tue 8/914:45 -
1 stop19h 35m
Deal found 14/8£273

Find flight deals from Heathrow to Ostrava

Round-trip from

£182

One-way from

£123

Popular in

April

Cheapest in

January

Average price

£202
LOT
  • LOT
  • 29/9-6/10
  • 2 total stops
  • 46h 25m total
  • London to Ostrava
Search Deals
LOT
  • LOT
  • 22/9
  • 1 total stop
  • 6h 40m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Ostrava that are best for you.

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Depart

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Cheapest return flight

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Tue 29/9

10:20-14:10

1 stop26h 50m

Ostrava Mosnov

Tue 6/10

14:45-09:20

1 stop19h 35m

£182

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Fri 2/10

06:30-14:05

1 stop6h 35m

Ostrava Mosnov

Fri 9/10

14:45-22:00

1 stop8h 15m

£202

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Thu 1/10

10:20-14:05

1 stop26h 45m

Ostrava Mosnov

Sun 4/10

14:45-22:00

1 stop8h 15m

£206

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Wed 9/9

18:10-14:10

1 stop19h 00m

Ostrava Mosnov

Wed 16/9

14:45-22:00

1 stop8h 15m

£249

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Sun 6/9

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Tue 8/9

14:45-09:20

1 stop19h 35m

£273
Fastest return journey

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Fri 2/10

06:30-14:05

1 stop6h 35m

Ostrava Mosnov

Fri 9/10

14:45-20:55

2 stops7h 10m

£274

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Sat 5/9

10:20-14:10

1 stop26h 50m

Ostrava Mosnov

Thu 10/9

14:45-22:00

1 stop8h 15m

£292

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Sat 5/9

10:20-14:10

1 stop26h 50m

Ostrava Mosnov

Sun 13/9

14:45-09:20

1 stop19h 35m

£292

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Tue 29/9

11:05-14:10

2 stops26h 05m

Ostrava Mosnov

Tue 6/10

14:45-21:35

2 stops7h 50m

£305
Cheapest one-way
Fastest single journey

LondonOstrava

LHR London Heathrow - OSR Ostrava Mosnov

LHROSR

London Heathrow

Tue 22/9

06:30-14:10

1 stop6h 40m

£123

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 20 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

Related info for your journey

  • 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 26h 50m. 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

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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.

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