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$450+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap 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 septiembre 15, 2025.

Round-trip from

$555
(Iberia)

One-way from

$450
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$643
From Ontario to Czech Republic
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One-way flight from Ontario to Czech Republic
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Highest demand for flights based on searches. 13% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 15, 2025.

This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2910:57 amONT - PRG
2 stops22h 33mMultiple Airlines
mié. 11/59:30 pmPRG - ONT
2 stops35h 27mMultiple Airlines
Deal found 9/14$555
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/46:38 pmONT - PRG
2 stops18h 47mUnited Airlines
mar. 11/187:25 amPRG - ONT
2 stops19h 09mUnited Airlines
Deal found 9/15$558
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/295:05 amONT - PRG
2 stops24h 00mUnited Airlines
mié. 11/56:50 amPRG - ONT
3 stops25h 01mUnited Airlines
Deal found 9/14$573
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/45:05 amONT - PRG
2 stops23h 00mUnited Airlines
lun. 11/103:10 pmPRG - ONT
2 stops39h 39mUnited Airlines
Deal found 9/15$577
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:10 amONT - PRG
2 stops31h 40mMultiple Airlines
vie. 12/56:00 amPRG - ONT
2 stops25h 28mMultiple Airlines
Deal found 9/14$605
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 11/276:00 amONT - PRG
2 stops31h 25mUnited Airlines
vie. 12/57:35 amPRG - ONT
3 stops24h 14mUnited Airlines
Deal found 9/15$608
This United Airlines deal was found by Cheapflights users on 9/14. 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.
dom. 11/21:29 pmONT - PRG
2 stops17h 36mUnited Airlines
dom. 11/161:45 pmPRG - ONT
2 stops18h 06mUnited Airlines
Deal found 9/14$618
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/291:33 pmONT - PRG
2 stops16h 32mUnited Airlines
dom. 11/21:45 pmPRG - ONT
2 stops18h 06mUnited Airlines
Deal found 9/15$623
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/144:15 pmONT - PRG
2 stops14h 45mUnited Airlines
mar. 10/286:50 amPRG - ONT
2 stops19h 46mUnited Airlines
Deal found 9/15$628
This Tripair deal was found by Cheapflights users on 9/15. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:02 amONT - PRG
2 stops17h 38mUnited Airlines
sáb. 11/83:10 pmPRG - ONT
2 stops16h 41mUnited Airlines
Deal found 9/15$633
This oojo deal was found by Cheapflights users on 9/14. 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.
mié. 11/53:08 pmONT - PRG
2 stops17h 22mBritish Airways
mié. 11/126:30 pmPRG - ONT
2 stops36h 29mBritish Airways
Deal found 9/14$638
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 10/189:36 amONT - PRG
2 stops19h 04mUnited Airlines
sáb. 11/17:35 amPRG - ONT
2 stops21h 09mUnited Airlines
Deal found 9/15$662

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 septiembre 15, 2025.
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

mié. 11/5

1:33 pm-4:05 pm

2 stops17h 32m

Václav Havel Prague

jue. 11/13

11:50 am-10:51 pm

2 stops20h 01m

$558

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mar. 11/4

6:38 pm-10:25 pm

2 stops18h 47m

Václav Havel Prague

mar. 11/18

7:25 am-5:34 pm

2 stops19h 09m

$558

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 10/29

5:05 am-1:05 pm

2 stops24h 00m

Václav Havel Prague

mié. 11/5

6:50 am-10:51 pm

3 stops25h 01m

$573

OntarioPrague

ONT - PRG

ONTPRG

Ontario

jue. 11/27

6:10 am-10:50 pm

2 stops31h 40m

Václav Havel Prague

vie. 12/5

6:00 am-10:28 pm

2 stops25h 28m

$605

OntarioPrague

ONT - PRG

ONTPRG

Ontario

jue. 11/27

7:00 am-4:05 pm

2 stops24h 05m

Václav Havel Prague

vie. 12/5

7:35 am-10:49 pm

3 stops24h 14m

$608

OntarioPrague

ONT - PRG

ONTPRG

Ontario

dom. 1/18

7:00 am-9:50 am

2 stops17h 50m

Václav Havel Prague

dom. 1/25

7:25 am-8:58 pm

2 stops22h 33m

$613

OntarioPrague

ONT - PRG

ONTPRG

Ontario

dom. 11/2

1:29 pm-4:05 pm

2 stops17h 36m

Václav Havel Prague

dom. 11/16

1:45 pm-10:51 pm

2 stops18h 06m

$618

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mar. 10/14

4:15 pm-4:00 pm

2 stops14h 45m

Václav Havel Prague

mar. 10/28

6:50 am-6:36 pm

2 stops19h 46m

$628

OntarioPrague

ONT - PRG

ONTPRG

Ontario

vie. 1/16

10:57 am-2:00 pm

2 stops18h 03m

Václav Havel Prague

vie. 1/30

11:00 am-10:02 pm

2 stops20h 02m

$645

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 12/3

1:34 pm-2:05 pm

2 stops15h 31m

Václav Havel Prague

jue. 12/11

6:15 am-5:37 pm

2 stops20h 22m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 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 $651). Flying from Ontario to Czech Republic in June is currently the most expensive (average of $1,119). 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 $558, United Airlines can have you in Czech Republic from Ontario in 17h 32m. Ontario and Czech Republic are separated by a distance of 5917 mi.

  • 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 $651). Flying from Ontario to Czech Republic in June is currently the most expensive (average of $1,119). 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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