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Cheap flights from London Heathrow Airport to Ostrava from £108

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 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
LOT Logo
06:30 - 14:10
LHR
-
OSR
6h 40m
1 stop
LOT Logo
14:45 - 09:20
OSR
-
LHR
19h 35m
1 stop
£162LOT
Thu, 9 Jul - Sun, 12 Jul
LOT Logo
10:20 - 14:10
LHR
-
OSR
26h 50m
1 stop
LOT Logo
14:45 - 17:10
OSR
-
LHR
27h 25m
1 stop
£168LOT
Thu, 23 Apr - Thu, 30 Apr
LOT Logo
06:30 - 14:10
LHR
-
OSR
6h 40m
1 stop
LOT Logo
14:45 - 22:00
OSR
-
LHR
8h 15m
1 stop
£181LOT
Sun, 12 Apr - Wed, 29 Apr
LOT Logo
06:30 - 14:10
LHR
-
OSR
6h 40m
1 stop
LOT Logo
14:45 - 22:00
OSR
-
LHR
8h 15m
1 stop
£186LOT
Sun, 26 Apr - Sun, 3 May
LOT Logo
18:20 - 13:10
LHR
-
OSR
17h 50m
1 stop
LOT Logo
14:45 - 09:20
OSR
-
LHR
19h 35m
1 stop
£190LOT
Sat, 28 Mar - Tue, 31 Mar
LOT Logo
06:30 - 14:10
LHR
-
OSR
6h 40m
1 stop
LOT Logo
14:45 - 22:00
OSR
-
LHR
8h 15m
1 stop
£192LOT
Fri, 24 Apr - Fri, 1 May
LOT Logo
06:30 - 14:10
LHR
-
OSR
6h 40m
1 stop
LOT Logo
14:45 - 09:20
OSR
-
LHR
19h 35m
1 stop
£194LOT
Fri, 24 Apr - Fri, 1 May
LOT Logo
18:10 - 14:10
LHR
-
OSR
19h 00m
1 stop
LOT Logo
14:45 - 09:20
OSR
-
LHR
19h 35m
1 stop
£197LOT
Wed, 8 Apr - Wed, 22 Apr
LOT Logo
18:20 - 14:10
LHR
-
OSR
18h 50m
1 stop
LOT Logo
14:45 - 22:00
OSR
-
LHR
8h 15m
1 stop
£200LOT
Mon, 23 Mar - Sun, 29 Mar
LOT Logo
18:20 - 14:10
LHR
-
OSR
18h 50m
1 stop
LOT Logo
14:45 - 22:00
OSR
-
LHR
8h 15m
1 stop
£201LOT
Mon, 23 Mar - Sun, 29 Mar

LOT flights from London Heathrow Airport to Ostrava

Our best LOT deals on London Heathrow Airport to Ostrava flight tickets
LOT
9 Jul
LHR06:30London Heathrow
6h 40m
1 stop
OSR14:10Ostrava Mosnov
12 Jul
OSR14:45Ostrava Mosnov
19h 35m
1 stop
LHR09:20London Heathrow
£162
LOT
23 Apr
LHR10:20London Heathrow
26h 50m
1 stop
OSR14:10Ostrava Mosnov
30 Apr
OSR14:45Ostrava Mosnov
27h 25m
1 stop
LHR17:10London Heathrow
£168
LOT
12 Apr
LHR06:30London Heathrow
6h 40m
1 stop
OSR14:10Ostrava Mosnov
29 Apr
OSR14:45Ostrava Mosnov
8h 15m
1 stop
LHR22:00London Heathrow
£181

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 14 March 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

Thu 9/7

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Sun 12/7

14:45-09:20

1 stop19h 35m

£162

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Thu 23/4

10:20-14:10

1 stop26h 50m

Ostrava Mosnov

Thu 30/4

14:45-17:10

1 stop27h 25m

£168
Fastest return journey

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sun 12/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Wed 29/4

14:45-22:00

1 stop8h 15m

£181

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sun 26/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Sun 3/5

14:45-22:00

1 stop8h 15m

£186

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Sat 28/3

18:20-13:10

1 stop17h 50m

Ostrava Mosnov

Tue 31/3

14:45-09:20

1 stop19h 35m

£190

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 24/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Fri 1/5

14:45-22:00

1 stop8h 15m

£192

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Fri 24/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

Fri 1/5

14:45-09:20

1 stop19h 35m

£194

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Wed 8/4

18:10-14:10

1 stop19h 00m

Ostrava Mosnov

Wed 22/4

14:45-09:20

1 stop19h 35m

£197

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 23/3

18:20-14:10

1 stop18h 50m

Ostrava Mosnov

Sun 29/3

14:45-22:00

1 stop8h 15m

£200

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

Mon 23/3

18:20-14:10

1 stop18h 50m

Ostrava Mosnov

Sun 29/3

14:45-22:00

1 stop8h 15m

£201

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Monday when prices can be found for as low as £33. On the other hand, Sunday 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 £179.

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

Flying to Ostrava from London Heathrow Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £33 when looking at flights departing at midday. Try not to purchase tickets in the morning because they tend to be around £179. 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

5h 35m

Direct flights

None
The fastest flight from London Heathrow Airport to Ostrava takes 5h 35m
There are no direct flights from London Heathrow Airport to Ostrava. There are no popular flight routes from London Heathrow Airport to Ostrava.
Search flight deals

  • 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 5h 35m.

  • 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