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Cheap flights from Prague to Los Angeles from $543

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Prague to Los Angeles departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Prague to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:10 am - 10:35 pm
PRG
-
ONT
25h 25m
2 stops
United Airlines Logo
6:00 am - 9:20 pm
ONT
-
PRG
30h 20m
2 stops
$613United Airlines
Wed, May 13 - Sun, May 24
United Airlines Logo
11:30 am - 9:50 pm
PRG
-
ONT
19h 20m
2 stops
United Airlines Logo
1:34 pm - 9:20 pm
ONT
-
PRG
22h 46m
2 stops
$614United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
2:35 pm - 10:59 pm
PRG
-
ONT
17h 24m
2 stops
United Airlines Logo
6:00 am - 12:45 pm
ONT
-
PRG
21h 45m
2 stops
$715United Airlines
Wed, May 13 - Sat, May 23
Multiple Airlines Logo
7:30 pm - 10:36 pm
PRG
-
ONT
36h 06m
2 stops
Multiple Airlines Logo
11:59 pm - 6:45 pm
ONT
-
PRG
33h 46m
2 stops
$849Multiple Airlines
Sun, Apr 12 - Sun, Apr 19
Multiple Airlines Logo
7:30 pm - 10:36 pm
PRG
-
ONT
36h 06m
2 stops
Multiple Airlines Logo
11:59 pm - 6:45 pm
ONT
-
PRG
33h 46m
2 stops
$856Multiple Airlines
Sun, Apr 12 - Sun, Apr 19
Multiple Airlines Logo
7:40 pm - 10:34 pm
PRG
-
ONT
35h 54m
3 stops
Multiple Airlines Logo
6:00 am - 10:35 pm
ONT
-
PRG
31h 35m
3 stops
$875Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
12:30 pm - 12:47 pm
PRG
-
ONT
33h 17m
2 stops
United Airlines Logo
5:45 am - 4:05 pm
ONT
-
PRG
25h 20m
2 stops
$881United Airlines
Wed, Jul 1 - Tue, Jul 14
United Airlines Logo
1:25 pm - 10:26 pm
PRG
-
ONT
18h 01m
2 stops
United Airlines Logo
1:34 pm - 4:05 pm
ONT
-
PRG
17h 31m
2 stops
$941United Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
7:20 am - 4:22 pm
PRG
-
ONT
18h 02m
2 stops
American Airlines Logo
4:52 pm - 10:50 pm
ONT
-
PRG
20h 58m
2 stops
$974American Airlines
Sat, May 9 - Mon, May 18
United Airlines Logo
7:35 am - 5:41 pm
PRG
-
ONT
18h 06m
2 stops
United Airlines Logo
5:15 am - 10:25 pm
ONT
-
PRG
33h 10m
2 stops
$1,018United Airlines
Thu, Mar 12 - Fri, Mar 27

Lufthansa flights from Prague to Ontario

Our best Lufthansa deals on Prague to Ontario flight tickets
Lufthansa
Mar 15
PRG6:15 amVáclav Havel Prague
24h 42m
2 stops
ONT10:57 pmOntario
Mar 16
ONT11:59 pmOntario
27h 26m
2 stops
PRG11:25 amVáclav Havel Prague
$1,030
Lufthansa
Mar 14
PRG3:10 pmVáclav Havel Prague
39h 08m
2 stops
ONT10:18 pmOntario
Mar 28
ONT6:37 pmOntario
38h 18m
2 stops
PRG5:55 pmVáclav Havel Prague
$1,043

British Airways flights from Prague to Ontario

Our best British Airways deals on Prague to Ontario flight tickets
British Airways
Mar 16
PRG11:00 amVáclav Havel Prague
19h 07m
2 stops
ONT10:07 pmOntario
Mar 30
ONT2:39 pmOntario
17h 21m
2 stops
PRG5:00 pmVáclav Havel Prague
$1,661
British Airways
Mar 14
PRG7:40 amVáclav Havel Prague
19h 02m
2 stops
ONT6:42 pmOntario
Mar 28
ONT2:39 pmOntario
17h 41m
2 stops
PRG4:20 pmVáclav Havel Prague
$1,899
British Airways
Mar 14
PRG7:40 amVáclav Havel Prague
19h 02m
2 stops
ONT6:42 pmOntario
Mar 22
ONT5:02 pmOntario
17h 08m
2 stops
PRG6:10 pmVáclav Havel Prague
$1,901

momondo Fare Finder

 
Customize your flight search to find flights from Prague to Ontario 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 February 28, 2026.
Use the filters below to find and compare flights from Prague to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Wed 5/13

6:10 am-10:35 pm

2 stops25h 25m

Ontario

Sun 5/24

6:00 am-9:20 pm

2 stops30h 20m

$613

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Mon 4/13

11:30 am-9:50 pm

2 stops19h 20m

Ontario

Mon 4/20

1:34 pm-9:20 pm

2 stops22h 46m

$614

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Wed 5/13

2:35 pm-10:59 pm

2 stops17h 24m

Ontario

Sat 5/23

6:00 am-12:45 pm

2 stops21h 45m

$715

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Sun 4/12

7:30 pm-10:36 pm

2 stops36h 06m

Ontario

Sun 4/19

11:59 pm-6:45 pm

2 stops33h 46m

$849

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Sun 4/12

7:30 pm-10:36 pm

2 stops36h 06m

Ontario

Sun 4/19

11:59 pm-6:45 pm

2 stops33h 46m

$856

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Mon 3/30

7:40 pm-10:34 pm

3 stops35h 54m

Ontario

Mon 4/6

6:00 am-10:35 pm

3 stops31h 35m

$875

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Wed 7/1

12:30 pm-12:47 pm

2 stops33h 17m

Ontario

Tue 7/14

5:45 am-4:05 pm

2 stops25h 20m

$881

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Mon 3/30

1:25 pm-10:26 pm

2 stops18h 01m

Ontario

Mon 4/6

1:34 pm-4:05 pm

2 stops17h 31m

$941

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Sat 5/9

7:20 am-4:22 pm

2 stops18h 02m

Ontario

Mon 5/18

4:52 pm-10:50 pm

2 stops20h 58m

$974

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Thu 3/12

7:35 am-5:41 pm

2 stops18h 06m

Ontario

Fri 3/27

5:15 am-10:25 pm

2 stops33h 10m

$1,018

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Prague to Ontario

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 airline that flies from Václav Havel Prague to Ontario?

British Airways and American Airlines are the most popular carriers operating from Václav Havel Prague to Ontario

What airlines fly to Ontario?

Condor, British Airways and Lufthansa are the top three most popular airlines that fly to Ontario from Prague according to our data. Condor is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Prague to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Prague to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Prague to Ontario (PRG to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Prague to Ontario

Fastest flight time

20h 19m

Direct flights

None
The fastest flight from Prague to Ontario takes 20h 19m
There are no direct flights from Prague to Ontario. There are no popular flight routes from Prague to Ontario.
Search flight deals

  • How far is Václav Havel Prague to Ontario by plane?

    The distance between Václav Havel Prague and Ontario is about 5923.0 mi. In terms of flight time, this usually takes a little over 20h 19m.

  • When did momondo last update prices for flights from Václav Havel Prague Airport to Ontario Airport?

    Prices for flights from Václav Havel Prague Airport to Ontario Airport were last updated today.

  • How old do you have to be to fly from Václav Havel Prague Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Václav Havel Prague Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Prague to Ontario?

Finding the right flight to Ontario from Prague 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 Ontario quick and easy, saving you time and money.

Can I find flights from Prague to Ontario with flexible booking policies on momondo?

All flight searches from Prague to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Prague to Ontario?

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 Ontario from Prague.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Prague and alert you when they change.

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