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Ontario

$492+ Cheap flights from the Czech Republic to Ontario (ONT)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — ONT
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Czech Republic to Ontario

Keep the following information in mind while searching for Czech Republic to Ontario flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$701
(United Airlines)

One-way from

$492
(Finnair)

Popular in

December

Cheapest in

May

Average price

$735
Provider with most accurate pricing for Václav Havel Prague-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Václav Havel Prague-Los Angeles flights.
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From Czech Republic to Ontario
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One-way flight from Czech Republic to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Czech Republic to Ontario

Cheapest flights from Czech Republic to Ontario
Explore the most affordable flight options available from Czech Republic to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 2/23:10 pm
PRG
-
ONT
2 stops16h 43m
United Airlines
Thu 2/51:53 pm
ONT
-
PRG
2 stops38h 12m
United Airlines
Deal found 1/19$701
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 2/83:00 pm
PRG
-
ONT
2 stops16h 53m
United Airlines
Wed 2/187:55 am
ONT
-
PRG
2 stops20h 10m
United Airlines
Deal found 1/20$702
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/63:15 pm
PRG
-
ONT
2 stops16h 42m
United Airlines
Fri 3/136:15 am
ONT
-
PRG
2 stops23h 50m
United Airlines
Deal found 1/20$703
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/41:45 pm
PRG
-
ONT
2 stops29h 23m
American Airlines
Sun 2/810:58 am
ONT
-
PRG
2 stops22h 12m
American Airlines
Deal found 1/19$707
This United Airlines deal was found by Cheapflights users on 1/19. 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 10/307:35 am
PRG
-
ONT
2 stops23h 31m
United Airlines
Sun 11/15:00 am
ONT
-
PRG
2 stops23h 05m
United Airlines
Deal found 1/19$711
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Sun 2/16:15 am
PRG
-
ONT
2 stops20h 28m
United Airlines
Sun 2/86:39 pm
ONT
-
PRG
2 stops18h 46m
United Airlines
Deal found 1/17$713
This United Airlines deal was found by Cheapflights users on 1/18. 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 2/61:45 pm
PRG
-
ONT
2 stops18h 08m
United Airlines
Wed 3/41:45 pm
ONT
-
PRG
2 stops17h 20m
United Airlines
Deal found 1/18$714
This United Airlines deal was found by Cheapflights users on 1/18. 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 1/297:35 am
PRG
-
ONT
2 stops24h 18m
United Airlines
Mon 2/25:05 am
ONT
-
PRG
2 stops26h 00m
United Airlines
Deal found 1/18$773
This British Airways deal was found by Cheapflights users on 1/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:00 am
PRG
-
ONT
2 stops20h 13m
British Airways
Fri 2/205:02 pm
ONT
-
PRG
2 stops16h 23m
British Airways
Deal found 1/18$787
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/147:35 am
PRG
-
ONT
2 stops19h 06m
United Airlines
Sat 2/211:45 pm
ONT
-
PRG
2 stops15h 20m
United Airlines
Deal found 1/20$833
This Turkish Airlines deal was found by Cheapflights users on 1/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:15 am
PRG
-
ONT
2 stops23h 44m
Multiple Airlines
Sat 5/2311:25 pm
ONT
-
PRG
2 stops23h 55m
Multiple Airlines
Deal found 1/20$1,243
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:25 pm
PRG
-
ONT
3 stops32h 19m
Multiple Airlines
Fri 2/612:42 am
ONT
-
PRG
3 stops30h 23m
Multiple Airlines
Deal found 1/19$2,458

Cheapflights Fare Finder

 
Customize your flight search to find flights from Czech Republic 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, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from the Czech Republic to Ontario that are best for you.

Fly from

Czech Republic

Fly to

Ontario

Route

Depart

Return

Price

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Thu 4/9

11:40 am-9:50 pm

2 stops19h 10m

Ontario

Fri 4/24

11:05 am-12:45 pm

2 stops16h 40m

$701

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Mon 2/2

3:10 pm-10:53 pm

2 stops16h 43m

Ontario

Thu 2/5

1:53 pm-1:05 pm

2 stops38h 12m

$701

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Tue 2/3

7:25 am-5:55 pm

2 stops19h 30m

Ontario

Sat 2/7

5:05 am-4:05 pm

2 stops26h 00m

$701

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Thu 3/5

3:10 pm-10:57 pm

2 stops16h 47m

Ontario

Thu 3/12

6:37 pm-10:25 pm

2 stops19h 48m

$701

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Sun 2/8

3:00 pm-10:53 pm

2 stops16h 53m

Ontario

Wed 2/18

7:55 am-1:05 pm

2 stops20h 10m

$702

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Fri 3/6

3:15 pm-10:57 pm

2 stops16h 42m

Ontario

Fri 3/13

6:15 am-2:05 pm

2 stops23h 50m

$703

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Mon 7/6

10:20 am-9:51 pm

2 stops20h 31m

Ontario

Wed 7/15

1:10 pm-3:45 pm

2 stops17h 35m

$707

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Wed 2/4

1:45 pm-10:08 am

2 stops29h 23m

Ontario

Sun 2/8

10:58 am-6:10 pm

2 stops22h 12m

$707

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Fri 7/3

10:05 am-9:51 pm

2 stops20h 46m

Ontario

Wed 7/15

1:10 pm-3:45 pm

2 stops17h 35m

$707

PragueOntario

PRG - ONT

PRGONT

Václav Havel Prague

Sun 2/1

6:15 am-5:43 pm

2 stops20h 28m

Ontario

Sun 2/8

6:39 pm-10:25 pm

2 stops18h 46m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 21 results
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Best time to book a flight from Czech Republic to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Czech Republic 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 the Czech Republic to Ontario

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

Currently, May is the cheapest month in which you can book a flight from Czech Republic to Ontario (average of $489). Flying from Czech Republic to Ontario in July is currently the most expensive (average of $705). 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 Czech Republic to Ontario. 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 Ontario from Czech Republic?

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

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

    United Airlines can get you from Czech Republic to Ontario in just under 19h 10m. Your travel time can differ by up to . The distance between Czech Republic and Ontario is about 5917 mi.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Czech Republic to Ontario (average of $489). Flying from Czech Republic to Ontario in July is currently the most expensive (average of $705). 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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