Latest deals
Insights
FAQs
Price Alerts

Cheap flights from California to Ostrava from $1,143

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ostrava departing on 9/23. 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

Find the cheapest flights from California to Ostrava

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
10:40 pm - 2:10 pmSFO  San Francisco-OSR Ostrava Mosnov
30h 30m1 stop Warsaw Frederic Chopin
LOT Logo
2:45 pm - 2:00 pmOSR  Ostrava Mosnov-SFO San Francisco
32h 15m1 stop Warsaw Frederic Chopin
$1,143LOT
Wed, Sep 23 - Wed, Sep 30
LOT Logo
12:22 pm - 2:10 pmSFO  San Francisco-OSR Ostrava Mosnov
40h 48m2 stops Los Angeles Warsaw Frederic Chopin
LOT Logo
2:45 pm - 8:40 pmOSR  Ostrava Mosnov-SFO San Francisco
14h 55m1 stop Warsaw Frederic Chopin
$1,291LOT
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
10:40 pm - 2:10 pmSFO  San Francisco-OSR Ostrava Mosnov
30h 30m1 stop Warsaw Frederic Chopin
Multiple Airlines Logo
2:45 pm - 2:30 pmOSR  Ostrava Mosnov-SFO San Francisco
32h 45m3 stops Warsaw Frederic Chopin Madrid Barajas Lisbon Humberto Delgado
$1,395Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
11:10 am - 1:05 amSFO  San Francisco-OSR Ostrava Mosnov
28h 55m3 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa Lamezia Terme Intl
Multiple Airlines Logo
9:15 pm - 2:30 pmOSR  Ostrava Mosnov-SFO San Francisco
26h 15m2 stops Malaga Lisbon Humberto Delgado
$1,478Multiple Airlines
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
8:10 am - 1:05 amSFO  San Francisco-OSR Ostrava Mosnov
31h 55m3 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa Lamezia Terme Intl
Multiple Airlines Logo
2:45 pm - 2:30 pmOSR  Ostrava Mosnov-SFO San Francisco
32h 45m3 stops Warsaw Frederic Chopin Madrid Barajas Lisbon Humberto Delgado
$1,486Multiple Airlines
Wed, Sep 23 - Wed, Sep 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

LOT flights from California to Ostrava

Our best LOT deals on California to Ostrava flight tickets
LOT
Sep 23
SFO10:40 pmSan Francisco
30h 30m
1 stop
OSR2:10 pmOstrava Mosnov
Sep 30
OSR2:45 pmOstrava Mosnov
32h 15m
1 stop
SFO2:00 pmSan Francisco
$1,143
LOT
Sep 23
SFO12:22 pmSan Francisco
40h 48m
2 stops
OSR2:10 pmOstrava Mosnov
Sep 30
OSR2:45 pmOstrava Mosnov
14h 55m
1 stop
SFO8:40 pmSan Francisco
$1,291

momondo Fare Finder

 
Customize your flight search to find flights from California 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 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from California to Ostrava that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoOstrava

SFO San Francisco - OSR Ostrava Mosnov

SFOOSR

San Francisco

Wed 9/23

10:40 pm-2:10 pm

1 stop30h 30m

Ostrava Mosnov

Wed 9/30

2:45 pm-2:00 pm

1 stop32h 15m

$1,143

San FranciscoOstrava

SFO San Francisco - OSR Ostrava Mosnov

SFOOSR

San Francisco

Wed 9/23

12:22 pm-2:10 pm

2 stops40h 48m

Ostrava Mosnov

Wed 9/30

2:45 pm-8:40 pm

1 stop14h 55m

$1,291

San FranciscoOstrava

SFO San Francisco - OSR Ostrava Mosnov

SFOOSR

San Francisco

Wed 9/23

10:40 pm-2:10 pm

1 stop30h 30m

Ostrava Mosnov

Wed 9/30

2:45 pm-2:30 pm

3 stops32h 45m

$1,395
Quickest round-trip

San FranciscoOstrava

SFO San Francisco - OSR Ostrava Mosnov

SFOOSR

San Francisco

Wed 9/23

11:10 am-1:05 am

3 stops28h 55m

Ostrava Mosnov

Wed 9/30

9:15 pm-2:30 pm

2 stops26h 15m

$1,478

San FranciscoOstrava

SFO San Francisco - OSR Ostrava Mosnov

SFOOSR

San Francisco

Wed 9/23

8:10 am-1:05 am

3 stops31h 55m

Ostrava Mosnov

Wed 9/30

2:45 pm-2:30 pm

3 stops32h 45m

$1,486

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ostrava from

How to get the cheapest flight ticket from California 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

How long does it take to fly to Ostrava?

The flight from California to Ostrava depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from San Jose (a popular airport in California) to Ostrava (the most popular airport in Ostrava), then the flight time is 32h 55m on average. If you fly from San Francisco (another popular airport in California) to Ostrava, then the average flight time is 44h 47m.

Cheap California to Ostrava flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Ostrava

Fastest flight time

32h 55m

Direct flights

None
The fastest flight from California to Ostrava takes 32h 55m
There are no direct flights from California to Ostrava. There are no popular flight routes from California to Ostrava.
Search flight deals

Frequently asked questions about flying from California to Ostrava

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

    Prices for flights from California to Ostrava Mosnov Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Ostrava Mosnov Airport.

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

    The travel and health documents required for your trip to Ostrava Mosnov Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ostrava Mosnov Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling 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 California to Ostrava?

Finding the right flight to Ostrava from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ostrava quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ostrava from California.

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

Yes. momondo can track prices for California to Ostrava flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ostrava trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the Czech Republic

Popular cities in the Czech Republic

Popular flights according to clicks in the last 7 days on momondo
Flights to Praguefrom $540
Flights to Brnofrom $1,233
Flights to Pardubice
Flights to Carlsbadfrom $1,205