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$274+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
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 January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$445
(oojo)

One-way from

$274
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$584
Provider with most accurate pricing for Los Angeles-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Václav Havel Prague flights.
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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. 18% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 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 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 January 11, 2026.

This oojo deal was found by Cheapflights users on 1/9. 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.
Wed 3/42:39 pmONT - PRG
2 stops17h 51mBritish Airways
Wed 3/1811:00 amPRG - ONT
2 stops20h 59mBritish Airways
Deal found 1/9$445
This oojo deal was found by Cheapflights users on 1/9. 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.
Fri 4/1012:19 pmONT - PRG
2 stops25h 31mBritish Airways
Tue 4/286:35 amPRG - ONT
2 stops23h 19mBritish Airways
Deal found 1/9$500
This oojo deal was found by Cheapflights users on 1/10. 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.
Wed 2/182:39 pmONT - PRG
2 stops17h 51mBritish Airways
Tue 2/246:45 amPRG - ONT
2 stops25h 04mBritish Airways
Deal found 1/10$508
This United Airlines deal was found by Cheapflights users on 1/10. 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 3/41:45 pmONT - PRG
2 stops17h 20mUnited Airlines
Tue 3/107:25 amPRG - ONT
2 stops21h 25mUnited Airlines
Deal found 1/10$509
This oojo deal was found by Cheapflights users on 1/9. 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.
Sun 4/124:52 pmONT - PRG
2 stops18h 18mBritish Airways
Tue 4/216:35 amPRG - ONT
2 stops23h 19mBritish Airways
Deal found 1/9$513
This United Airlines deal was found by Cheapflights users on 1/9. 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 2/121:45 pmONT - PRG
2 stops47h 40mUnited Airlines
Mon 2/1611:50 amPRG - ONT
2 stops20h 07mUnited Airlines
Deal found 1/9$522
This oojo deal was found by Cheapflights users on 1/9. 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.
Fri 10/164:59 pmONT - PRG
2 stops21h 01mBritish Airways
Mon 10/269:35 pmPRG - ONT
2 stops32h 00mBritish Airways
Deal found 1/9$556
This oojo deal was found by Cheapflights users on 1/9. 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.
Thu 1/224:45 pmONT - PRG
2 stops16h 20mBritish Airways
Thu 1/296:45 amPRG - ONT
2 stops24h 28mBritish Airways
Deal found 1/9$558
This United Airlines deal was found by Cheapflights users on 1/9. 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 3/226:15 amONT - PRG
2 stops32h 10mUnited Airlines
Sat 4/46:00 amPRG - ONT
2 stops25h 26mUnited Airlines
Deal found 1/9$560
This oojo deal was found by Cheapflights users on 1/9. 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.
Sun 5/104:52 pmONT - PRG
2 stops18h 18mBritish Airways
Sun 5/2410:40 amPRG - ONT
2 stops20h 11mBritish Airways
Deal found 1/9$565
This oojo deal was found by Cheapflights users on 1/10. 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 5/114:52 pmONT - PRG
2 stops18h 33mBritish Airways
Mon 5/258:55 pmPRG - ONT
2 stops31h 57mBritish Airways
Deal found 1/10$567

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 January 11, 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

Sun 3/8

2:39 pm-6:10 pm

2 stops19h 31m

Václav Havel Prague

Wed 3/18

11:00 am-11:59 pm

2 stops20h 59m

$445

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 4/14

4:52 pm-8:30 pm

2 stops18h 38m

Václav Havel Prague

Tue 4/28

6:35 am-8:54 pm

2 stops23h 19m

$445

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 3/4

2:39 pm-5:30 pm

2 stops17h 51m

Václav Havel Prague

Wed 3/18

11:00 am-11:59 pm

2 stops20h 59m

$445

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 2/10

4:45 pm-10:50 pm

2 stops21h 05m

Václav Havel Prague

Tue 2/24

6:45 am-10:49 pm

2 stops25h 04m

$445

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 3/4

2:39 pm-5:30 pm

2 stops17h 51m

Václav Havel Prague

Tue 3/10

6:45 am-10:07 pm

2 stops23h 22m

$445

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 4/12

10:59 am-5:05 pm

2 stops21h 06m

Václav Havel Prague

Tue 4/21

6:35 am-8:54 pm

2 stops23h 19m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 2/18

2:39 pm-5:30 pm

2 stops17h 51m

Václav Havel Prague

Tue 2/24

6:45 am-10:49 pm

2 stops25h 04m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 3/2

2:39 pm-5:30 pm

2 stops17h 51m

Václav Havel Prague

Mon 3/16

9:35 pm-10:07 pm

2 stops32h 32m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 4/6

5:02 pm-8:25 pm

2 stops18h 23m

Václav Havel Prague

Thu 4/16

10:05 am-9:59 pm

2 stops20h 54m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 2/22

6:10 am-6:10 pm

2 stops27h 00m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 19 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 $702). 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 $445, British Airways can have you in Czech Republic from Ontario in 19h 31m. 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 $424). Flying from Ontario to Czech Republic in June is currently the most expensive (average of $702). 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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