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$261+ Cheap flights from Ontario (ONT) to the Czech Republic

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Ontario to Czech Republic

Cheapest flights from Ontario to Czech Republic
Explore the most affordable flight options available from Ontario to Czech Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This oojo deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:02 pm
ONT
-
PRG
2 stops31h 28m
British Airways
Fri 4/242:00 pm
PRG
-
ONT
2 stops16h 59m
British Airways
Deal found 2/13$497
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:37 pm
ONT
-
PRG
2 stops19h 48m
United Airlines
Wed 3/257:30 am
PRG
-
ONT
2 stops22h 48m
United Airlines
Deal found 2/10$511
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:27 pm
ONT
-
PRG
2 stops19h 03m
United Airlines
Fri 4/1711:45 am
PRG
-
ONT
2 stops19h 05m
United Airlines
Deal found 2/11$524
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:10 pm
ONT
-
PRG
2 stops24h 40m
British Airways
Thu 9/247:05 am
PRG
-
ONT
2 stops23h 45m
British Airways
Deal found 2/10$526
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:40 pm
ONT
-
PRG
2 stops17h 25m
United Airlines
Tue 5/1911:40 am
PRG
-
ONT
2 stops19h 18m
United Airlines
Deal found 2/12$542
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
ONT
-
PRG
2 stops32h 10m
United Airlines
Mon 3/302:20 pm
PRG
-
ONT
2 stops40h 30m
United Airlines
Deal found 2/11$544
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:02 pm
ONT
-
PRG
2 stops31h 28m
British Airways
Mon 4/2010:25 am
PRG
-
ONT
2 stops20h 34m
British Airways
Deal found 2/11$547
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:00 am
ONT
-
PRG
2 stops24h 20m
United Airlines
Wed 12/307:35 am
PRG
-
ONT
2 stops24h 31m
United Airlines
Deal found 2/13$555
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:43 pm
ONT
-
PRG
2 stops17h 22m
United Airlines
Fri 4/176:00 am
PRG
-
ONT
2 stops25h 26m
United Airlines
Deal found 2/11$561
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:00 am
ONT
-
PRG
2 stops25h 55m
United Airlines
Thu 4/911:40 am
PRG
-
ONT
2 stops31h 16m
United Airlines
Deal found 2/12$562
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:27 pm
ONT
-
PRG
2 stops19h 18m
United Airlines
Wed 4/2911:30 am
PRG
-
ONT
2 stops19h 20m
United Airlines
Deal found 2/10$573

Find flight deals from Ontario to Czech Republic

Keep the following information in mind while searching for Ontario to Czech Republic flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$496
(oojo)

One-way from

$261
(oojo)

Popular in

June

Cheapest in

February

Average price

$492
Provider with most accurate pricing for Los Angeles-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Václav Havel Prague flights.
Search Deals
From Ontario to Czech Republic
Search Deals
One-way flight from Ontario to Czech Republic
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Czech Republic 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 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Ontario to the Czech Republic that are best for you.

Fly from

Ontario

Fly to

Czech Republic

Route

Depart

Return

Price

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 4/6

5:02 pm-9:30 am

2 stops31h 28m

Václav Havel Prague

Fri 4/24

2:00 pm-9:59 pm

2 stops16h 59m

$497

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 4/14

1:34 pm-4:05 pm

2 stops17h 31m

Václav Havel Prague

Tue 4/28

6:10 am-6:02 pm

2 stops20h 52m

$511

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 3/18

6:37 pm-10:25 pm

2 stops19h 48m

Václav Havel Prague

Wed 3/25

7:30 am-10:57 pm

2 stops23h 27m

$511

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 4/13

1:34 pm-4:05 pm

2 stops17h 31m

Václav Havel Prague

Tue 4/21

6:10 am-6:02 pm

2 stops20h 52m

$511

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 4/7

11:05 am-12:45 pm

2 stops16h 40m

Václav Havel Prague

Tue 4/21

6:10 am-6:02 pm

2 stops20h 52m

$511

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 4/8

11:05 am-12:45 pm

2 stops16h 40m

Václav Havel Prague

Wed 4/22

11:30 am-9:50 pm

2 stops19h 20m

$511

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 4/6

5:10 am-4:05 pm

2 stops25h 55m

Václav Havel Prague

Mon 4/13

1:25 pm-10:26 pm

2 stops42h 01m

$524

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 5/3

1:30 pm-5:55 pm

2 stops19h 25m

Václav Havel Prague

Wed 5/13

11:30 am-10:59 pm

2 stops20h 29m

$524

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/11

1:40 pm-4:05 pm

2 stops17h 25m

Václav Havel Prague

Tue 5/19

11:40 am-9:58 pm

2 stops19h 18m

$542

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 3/28

6:37 pm-1:40 pm

2 stops34h 03m

Václav Havel Prague

Mon 4/6

2:20 pm-6:02 pm

2 stops36h 42m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 18 results
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Best time to book a flight from Ontario to Czech Republic

Have a flexible travel schedule? Discover the best time to fly to Czech Republic from Ontario with our price prediction graph.
Estimated round-trip 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 Ontario to the Czech Republic

What is the cheapest month to book a flight from Ontario to Czech Republic?

Currently, November is the cheapest month in which you can book a flight from Ontario to Czech Republic (average of $424). Flying from Ontario to Czech Republic in June is currently the most expensive (average of $697). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Czech Republic. 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 from for flights from Ontario to Czech Republic?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Czech Republic. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Czech Republic?

    For as low as $511, British Airways can have you in Czech Republic from Ontario in 17h 31m. Ontario and Czech Republic are separated by a distance of 5917 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Ontario to Czech Republic that include hotel bookings?

    Yes. In addition to deals on Ontario to Czech Republic flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Czech Republic?

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

  • Can I find deals for business class flights from Ontario to Czech Republic?

    Yes. Cheapflights offers flight deals from Ontario to Czech Republic 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 Ontario to Czech Republic?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Czech Republic (average of $424). Flying from Ontario to Czech Republic in June is currently the most expensive (average of $697). 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

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