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Cheap flights from London to Ostrava from £21

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OSR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Sat 15/1116:55STN - OSR
Nonstop2h 20mRyanair
Mon 17/1117:35OSR - STN
Nonstop2h 20mRyanair
Deal found 5/11£47
Sat 6/1216:55STN - OSR
Nonstop2h 20mRyanair
Mon 8/1217:35OSR - STN
Nonstop2h 20mRyanair
Deal found 5/11£50
Tue 25/1119:30STN - OSR
2 stops20h 15mMultiple Airlines
Sat 29/1120:40OSR - STN
Nonstop2h 20mMultiple Airlines
Deal found 6/11£134
Sat 22/1116:55STN - OSR
Nonstop2h 20mMultiple Airlines
Mon 24/1105:20OSR - STN
1 stop11h 05mMultiple Airlines
Deal found 6/11£142
Mon 29/1213:50STN - OSR
Nonstop2h 20mRyanair
Tue 6/110:15OSR - STN
1 stop22h 45mRyanair
Deal found 6/11£147
Sat 6/1216:55STN - OSR
Nonstop2h 20mMultiple Airlines
Mon 8/1205:20OSR - STN
3 stops10h 30mMultiple Airlines
Deal found 5/11£157
Sat 15/1116:55STN - OSR
Nonstop2h 20mMultiple Airlines
Mon 17/1105:20OSR - STN
1 stop16h 25mMultiple Airlines
Deal found 6/11£160
Wed 31/1218:55LTN - OSR
1 stop18h 15mMultiple Airlines
Tue 6/114:45OSR - LTN
1 stop18h 00mMultiple Airlines
Deal found 6/11£180
Tue 30/1206:20LGW - OSR
1 stop6h 50mMultiple Airlines
Tue 6/114:45OSR - LGW
2 stops18h 50mMultiple Airlines
Deal found 6/11£193
Mon 17/1118:20LHR - OSR
1 stop18h 50mLOT
Wed 19/1117:20OSR - LHR
1 stop5h 40mLOT
Deal found 6/11£199
Thu 25/1206:30LHR - OSR
1 stop6h 40mLOT
Thu 1/114:45OSR - LHR
1 stop19h 50mLOT
Deal found 6/11£207
Tue 30/1206:30LHR - OSR
1 stop6h 40mLOT
Tue 6/114:45OSR - LHR
1 stop19h 50mLOT
Deal found 6/11£208

Cheap 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 7 November 2025.

Round-trip from

£47

One-way from

£21

Popular in

July

Cheapest in

May

Average price

£58
Ryanair
  • Ryanair
  • 22/11-24/11
  • Nonstop
  • 4h 40m total
  • London to Ostrava
Search Deals
Ryanair
  • Ryanair
  • 29/11
  • Nonstop
  • 2h 20m 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. 5% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 November 2025.
Use the filters below to find and compare flights from London to Ostrava that are best for you.

Fly from

London

Fly to

Ostrava

Route

Depart

Return

Price

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 6/12

16:55-20:15

Nonstop2h 20m

Ostrava Mosnov

Mon 8/12

17:35-18:55

Nonstop2h 20m

£50

LondonOstrava

STN - OSR

STNOSR

London Stansted

Thu 29/1

17:50-09:25

1 stop14h 35m

Ostrava Mosnov

Sat 7/2

20:40-22:00

Nonstop2h 20m

£107

LondonOstrava

STN - OSR

STNOSR

London Stansted

Thu 29/1

17:50-09:25

1 stop14h 35m

Ostrava Mosnov

Mon 9/2

17:35-18:55

Nonstop2h 20m

£107

LondonOstrava

STN - OSR

STNOSR

London Stansted

Tue 25/11

19:30-16:45

2 stops20h 15m

Ostrava Mosnov

Sat 29/11

20:40-22:00

Nonstop2h 20m

£134

LondonOstrava

LTN - OSR

LTNOSR

London Luton

Thu 29/1

08:30-14:10

1 stop4h 40m

Ostrava Mosnov

Mon 9/2

05:20-13:55

1 stop9h 35m

£139

LondonOstrava

LTN - OSR

LTNOSR

London Luton

Fri 30/1

08:30-14:10

1 stop4h 40m

Ostrava Mosnov

Mon 9/2

05:20-13:55

1 stop9h 35m

£139

LondonOstrava

LTN - OSR

LTNOSR

London Luton

Wed 28/1

08:30-16:45

1 stop7h 15m

Ostrava Mosnov

Mon 9/2

05:20-13:55

1 stop9h 35m

£139

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 22/11

17:55-00:10

2 stops29h 15m

Ostrava Mosnov

Mon 24/11

17:35-18:55

Nonstop2h 20m

£144

LondonOstrava

LGW - OSR

LGWOSR

London Gatwick

Thu 29/1

06:05-14:10

1 stop7h 05m

Ostrava Mosnov

Mon 9/2

05:20-11:55

1 stop7h 35m

£150

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 6/12

16:55-20:15

Nonstop2h 20m

Ostrava Mosnov

Mon 8/12

05:20-14:50

3 stops10h 30m

£157

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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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 month to book a flight from London to Ostrava?

Currently, January is the cheapest month in which you can book a flight from London to Ostrava (average of £28). Flying from London to Ostrava in August is currently the most expensive (average of £146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 7 November 2025.

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.

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 7 November 2025.
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
6.8
Okay
5,187 reviews
Check prices

Comfort

6.5

Boarding

6.7

Entertainment

5.6

Overall

6.8

Food

6.0

Crew

7.5

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
6.8
Okay
5,187 reviews
Ryanair
6.8
Okay
5,187 reviews
Check prices

Comfort

6.5

Boarding

6.7

Entertainment

5.6

Overall

6.8

Food

6.0

Crew

7.5

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 20m. 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 £33. Ryanair is priced at 63% 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 Gatwick - Ostrava Mosnov, London Stansted - 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.

  • What is the cheapest month to book a flight from London to Ostrava?

    Currently, January is the cheapest month in which you can book a flight from London to Ostrava (average of £28). Flying from London to Ostrava in August is currently the most expensive (average of £146). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£33Average£92FlexibilityNo 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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