Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Ostrava from £18

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OSR
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

£32

One-way from

£18

Popular in

July

Cheapest in

May

Average price

£56

Good round-trip deal

£39 or less
Ryanair
  • Ryanair
  • 3/10-8/10
  • Nonstop
  • 4h 25m total
  • London to Ostrava
Search Deals
Ryanair
  • Ryanair
  • 17/10
  • Nonstop
  • 2h 10m total
  • London to Ostrava
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Ostrava Mosnov.
Search Deals

Find flight deals from London to Ostrava

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 15 September 2025.

Fri 3/1015:50STN - OSR
Nonstop2h 10mRyanair
Wed 8/1021:55OSR - STN
Nonstop2h 15mRyanair
Deal found 14/9£32
Sat 8/1116:55STN - OSR
Nonstop2h 20mRyanair
Mon 10/1117:35OSR - STN
Nonstop2h 20mRyanair
Deal found 14/9£44
Wed 1/1018:20STN - OSR
Nonstop2h 10mRyanair
Tue 7/1020:20OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£52
Fri 3/1015:50STN - OSR
Nonstop2h 10mRyanair
Sun 5/1015:50OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£54
Wed 1/1018:20STN - OSR
Nonstop2h 10mRyanair
Fri 10/1020:05OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£55
Fri 19/915:50STN - OSR
Nonstop2h 10mRyanair
Sun 21/915:50OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£73
Tue 30/918:10STN - OSR
1 stop25h 50mRyanair
Tue 7/1020:20OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£93
Wed 1/1007:40STN - OSR
1 stop12h 20mRyanair
Wed 8/1021:55OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£100
Wed 1/1007:40STN - OSR
1 stop12h 20mRyanair
Sun 5/1015:50OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£102
Sat 27/920:45STN - OSR
1 stop10h 35mRyanair
Wed 8/1021:55OSR - STN
Nonstop2h 15mRyanair
Deal found 13/9£104
Wed 29/1006:30LHR - OSR
1 stop9h 15mLOT
Wed 5/1117:20OSR - LHR
1 stop5h 40mLOT
Deal found 13/9£188
Thu 6/1110:35LHR - OSR
1 stop26h 35mLOT
Thu 13/1114:45OSR - LHR
1 stop19h 50mLOT
Deal found 14/9£191

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 15 September 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

Fri 3/10

15:50-19:00

Nonstop2h 10m

Ostrava Mosnov

Wed 8/10

21:55-23:10

Nonstop2h 15m

£32

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 8/11

16:55-20:15

Nonstop2h 20m

Ostrava Mosnov

Mon 10/11

17:35-18:55

Nonstop2h 20m

£44

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 10/1

16:55-20:15

Nonstop2h 20m

Ostrava Mosnov

Mon 12/1

17:35-18:55

Nonstop2h 20m

£46

LondonOstrava

STN - OSR

STNOSR

London Stansted

Wed 1/10

18:20-21:30

Nonstop2h 10m

Ostrava Mosnov

Wed 8/10

21:55-23:10

Nonstop2h 15m

£52

LondonOstrava

STN - OSR

STNOSR

London Stansted

Wed 1/10

18:20-21:30

Nonstop2h 10m

Ostrava Mosnov

Tue 7/10

20:20-21:35

Nonstop2h 15m

£52

LondonOstrava

STN - OSR

STNOSR

London Stansted

Fri 3/10

15:50-19:00

Nonstop2h 10m

Ostrava Mosnov

Sun 5/10

15:50-17:05

Nonstop2h 15m

£54

LondonOstrava

STN - OSR

STNOSR

London Stansted

Tue 30/9

18:10-21:00

1 stop25h 50m

Ostrava Mosnov

Wed 8/10

21:55-23:10

Nonstop2h 15m

£93

LondonOstrava

STN - OSR

STNOSR

London Stansted

Wed 1/10

07:40-21:00

1 stop12h 20m

Ostrava Mosnov

Fri 10/10

20:05-21:20

Nonstop2h 15m

£102

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 27/9

20:45-08:20

1 stop10h 35m

Ostrava Mosnov

Tue 7/10

20:20-21:35

Nonstop2h 15m

£104

LondonOstrava

STN - OSR

STNOSR

London Stansted

Sat 27/9

20:45-08:20

1 stop10h 35m

Ostrava Mosnov

Wed 8/10

21:55-23:10

Nonstop2h 15m

£104

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results
1
2
3
...
6

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 15 September 2025.

A simple way to save on the total cost of your ticket is to fly from London to Ostrava in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at midday.

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 15 September 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
5,155 reviews
Check prices

Comfort

6.5

Crew

7.5

Entertainment

5.6

Overall

6.8

Boarding

6.7

Food

6.0

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.
Ryanair
6.8
Okay
5,155 reviews
Ryanair
6.8
Okay
5,155 reviews
Check prices

Comfort

6.5

Crew

7.5

Entertainment

5.6

Overall

6.8

Boarding

6.7

Food

6.0

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

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 £31. 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 City - Ostrava Mosnov, London Heathrow - Ostrava Mosnov and London Gatwick - 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£31Average£70FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.