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Cheap flights from London to Ostrava from £15

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OSR
15 kwi — 22 kwi1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ostrava

Enter your travel dates to find the best prices.

Cheapest flights from London to Ostrava
Explore the most affordable flight options available from London to Ostrava. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 marca 2026.

śr. 8/406:55
STN
-
OSR
Nonstop2h 10m
Ryanair
śr. 22/410:30
OSR
-
STN
Nonstop2h 15m
Ryanair
Deal found 13/3£39
sob. 21/316:55
STN
-
OSR
Nonstop2h 20m
Ryanair
pon. 23/317:35
OSR
-
STN
Nonstop2h 20m
Ryanair
Deal found 12/3£54
pon. 23/313:50
STN
-
OSR
Nonstop2h 20m
Ryanair
sob. 28/320:40
OSR
-
STN
Nonstop2h 20m
Ryanair
Deal found 14/3£63
sob. 14/316:55
STN
-
OSR
Nonstop2h 20m
Ryanair
pon. 16/317:35
OSR
-
STN
Nonstop2h 20m
Ryanair
Deal found 11/3£73
ndz. 26/405:55
STN
-
OSR
Nonstop2h 10m
Ryanair
ndz. 3/509:30
OSR
-
STN
Nonstop2h 15m
Ryanair
Deal found 12/3£84
sob. 11/412:55
STN
-
OSR
1 stop6h 50m
Ryanair
sob. 18/421:20
OSR
-
STN
1 stop11h 40m
Ryanair
Deal found 12/3£124
pon. 23/315:40
STN
-
OSR
2 stops21h 30m
Multiple Airlines
sob. 28/320:40
OSR
-
STN
Nonstop2h 20m
Multiple Airlines
Deal found 14/3£134
sob. 11/409:45
LGW
-
OSR
2 stops10h 00m
Ryanair
sob. 18/421:10
OSR
-
LGW
2 stops16h 45m
Ryanair
Deal found 12/3£141
sob. 11/406:00
LGW
-
OSR
1 stop13h 55m
Multiple Airlines
sob. 18/421:10
OSR
-
LGW
2 stops16h 45m
Multiple Airlines
Deal found 12/3£142
pt. 15/506:30
LHR
-
OSR
1 stop6h 40m
LOT
wt. 19/514:45
OSR
-
LHR
1 stop8h 15m
LOT
Deal found 15/3£161
ndz. 12/706:30
LHR
-
OSR
1 stop6h 40m
LOT
wt. 21/714:45
OSR
-
LHR
1 stop27h 25m
LOT
Deal found 13/3£163
śr. 8/408:25
LTN
-
OSR
1 stop4h 45m
Multiple Airlines
śr. 22/414:45
OSR
-
LTN
1 stop5h 20m
Multiple Airlines
Deal found 13/3£167

Find flight deals from London to Ostrava

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 16 marca 2026.

Round-trip from

£39

One-way from

£15

Popular in

November

Cheapest in

January

Average price

£61

Good round-trip deal

£29 or less
Ryanair
  • Ryanair
  • 8/4-22/4
  • Nonstop
  • 4h 25m total
  • London to Ostrava
Search Deals
Ryanair
  • Ryanair
  • 12/4
  • Nonstop
  • 2h 10m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£38 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 March 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Ostrava Mosnov.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 16 marca 2026.
Use the filters below to find and compare flights from London to Ostrava that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOstrava

STN - OSR

STNOSR

London Stansted

śr. 8/4

06:55-10:05

Nonstop2h 10m

Ostrava Mosnov

śr. 22/4

16:50-21:45

1 stop5h 55m

£76
Fastest return journey

LondonOstrava

STN - OSR

STNOSR

London Stansted

ndz. 26/4

05:55-09:05

Nonstop2h 10m

Ostrava Mosnov

ndz. 3/5

09:30-10:45

Nonstop2h 15m

£84

LondonOstrava

STN - OSR

STNOSR

London Stansted

ndz. 26/4

05:55-09:05

Nonstop2h 10m

Ostrava Mosnov

ndz. 3/5

14:45-07:20

2 stops17h 35m

£124

LondonOstrava

STN - OSR

STNOSR

London Stansted

sob. 11/4

12:55-20:45

1 stop6h 50m

Ostrava Mosnov

sob. 18/4

21:20-10:35

2 stops14h 15m

£132

LondonOstrava

LGW - OSR

LGWOSR

London Gatwick

sob. 11/4

06:00-20:55

1 stop13h 55m

Ostrava Mosnov

sob. 18/4

21:10-12:55

2 stops16h 45m

£142

LondonOstrava

LTN - OSR

LTNOSR

London Luton

śr. 8/4

08:25-14:10

1 stop4h 45m

Ostrava Mosnov

śr. 22/4

14:45-19:05

1 stop5h 20m

£167

LondonOstrava

STN - OSR

STNOSR

London Stansted

śr. 29/7

06:20-16:25

2 stops9h 05m

Ostrava Mosnov

ndz. 9/8

09:30-10:45

Nonstop2h 15m

£178

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

ndz. 26/4

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

ndz. 3/5

14:45-22:00

1 stop8h 15m

£187

LondonOstrava

LHR - OSR

LHROSR

London Heathrow

czw. 13/8

06:30-14:10

1 stop6h 40m

Ostrava Mosnov

śr. 19/8

14:45-22:00

1 stop8h 15m

£187

LondonOstrava

LTN - OSR

LTNOSR

London Luton

czw. 30/4

08:25-14:10

1 stop4h 45m

Ostrava Mosnov

czw. 7/5

14:45-19:05

1 stop5h 20m

£194

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Ostrava

Have a flexible travel schedule? Discover the best time to fly to Ostrava from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Ostrava

What is the cheapest time of day to fly from LON to OSR?

Find hourly flight availability from London to Ostrava. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 marca 2026.

When flying from London to Ostrava, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London to Ostrava?

Reviews of airlines servicing Ostrava

Get insights into the airlines that provide service to Ostrava. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ostrava. Reviews last updated 16 marca 2026.
Get a feel of what it's like to fly with Ryanair from London to Ostrava by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,295 reviews
Check prices

Boarding

6.7

Crew

7.5

Entertainment

5.6

Comfort

6.5

Food

6.0

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.9
Okay
5,295 reviews
Ryanair
6.9
Okay
5,295 reviews
Check prices

Boarding

6.7

Crew

7.5

Entertainment

5.6

Comfort

6.5

Food

6.0

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Located just 12.2 mi from the city center, Ostrava Mosnov is the airport most travelers will use when flying to Ostrava from London. Booking flights from London to Mosnov (OSR) should be relatively easy as there are 0 daily inbound flights from London from 1 airline.

  • How long is the flight from London to Ostrava?

    There are many flights that can get you from London to Ostrava in 2h 10m. Fly via Ryanair or LOT to get the fastest option. The distance between London and Ostrava is about 793 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from London to Ostrava round-trip?

    Cheapflights users have booked flights from London to Ostrava round-trip from £29. Ryanair is priced at 71% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to Ostrava?

    The most popular flight routes from London to Ostrava are London Heathrow - Ostrava Mosnov, London City - Ostrava Mosnov and London Luton - Ostrava Mosnov.

  • Can I find deals for flights from London to Ostrava that include hotel bookings?

    Yes. In addition to deals on London to Ostrava flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Ostrava?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ostrava.

  • Can I find deals for business class flights from London to Ostrava?

    Yes. Cheapflights offers flight deals from London 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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Top airline flying from London to Ostrava

Discover the top airline that operate flights from London to Ostrava. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 marca 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£91FlexibilityNo cancel feeOn-timeN/A
Search Ryanair 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 London to Ostrava?

Deals for London to Ostrava flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Ostrava?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Ostrava for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Ostrava with no change fees?

Need flexible booking options for your flight to Ostrava from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Ostrava become cheaper?

Yes! Start tracking prices for London to Ostrava flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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