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Cheap flights from London Heathrow Airport to Ostrava from £146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ostrava departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from London Heathrow Airport to Ostrava

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:50 - 00:10
LHR
-
OSR
26h 20m3 stops
Multiple Airlines Logo
05:20 - 17:20
OSR
-
LHR
13h 00m1 stop
£283Multiple Airlines
Sat, 17 Jan - Mon, 19 Jan
Multiple Airlines Logo
19:55 - 00:10
LHR
-
OSR
27h 15m2 stops
Multiple Airlines Logo
05:20 - 19:15
OSR
-
LHR
14h 55m2 stops
£570Multiple Airlines
Sat, 10 Jan - Mon, 12 Jan

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 12 December 2025.
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

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 17/1

20:50-00:10

3 stops26h 20m

Ostrava Mosnov

Mon 19/1

05:20-17:20

1 stop13h 00m

£283

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 10/1

19:55-00:10

2 stops27h 15m

Ostrava Mosnov

Mon 12/1

05:20-19:15

2 stops14h 55m

£570

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 9/2

10:25-14:10

1 stop26h 45m

£146

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 17/1

20:50-00:10

2 stops26h 20m

£168

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 14/2

20:50-00:10

2 stops26h 20m

£170

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 13/2

06:50-14:10

2 stops6h 20m

£214

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 9/2

17:05-14:10

2 stops20h 05m

£231

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 20/12

18:10-00:10

2 stops29h 00m

£880

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 20/12

18:10-00:10

2 stops29h 00m

£880

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Ostrava from

How to get the cheapest flight ticket from London Heathrow Airport to Ostrava

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Ostrava?

The cheapest day to depart from London Heathrow Airport to Ostrava is on a Friday when prices can be found for as low as £83. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £132.

What is the cheapest time of day to depart on your flight to Ostrava?

Flying to Ostrava from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £83 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around £119. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Heathrow Airport to Ostrava

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Ostrava according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Ostrava (LHR to OSR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ostrava

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from London Heathrow Airport to Ostrava takes 10h 55m
There are no direct flights from London Heathrow Airport to Ostrava. There are no popular flight routes from London Heathrow Airport to Ostrava.
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  • How far is London Heathrow to Ostrava Mosnov by plane?

    Ostrava Mosnov is 825.7 mi away from London Heathrow. A reasonable flight in good conditions will take 10h 55m.

  • When did momondo last update prices for flights from London Heathrow Airport to Ostrava Mosnov Airport?

    Prices for flights from London Heathrow Airport to Ostrava Mosnov Airport were last updated today.

  • How old do you have to be to fly from London Heathrow Airport to Ostrava Mosnov Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ostrava Mosnov Airport.

  • What documentation or ID do you need to fly to Ostrava Mosnov Airport?

    The travel and health documents you'll need for your trip to Ostrava Mosnov Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ostrava Mosnov Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Ostrava?

Book flights to Ostrava if you plan to visit one of these locations
Olomouc

Why use momondo?

Why should I use momondo to find a flight deal from London to Ostrava?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ostrava for you.

Can I find flights from London to Ostrava with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Ostrava flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Ostrava?

momondo helps you find the best flight between London and Ostrava by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Ostrava right now. Can momondo alert me if prices change?

Price alerts on flights to Ostrava from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cabin classes currently available on flights to Ostrava

List of cabin classes available on flights landing in Ostrava. Availability may vary depending on flight origin and airline.
First Class to Ostrava
Business Class to Ostrava