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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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/251:40 pmONT - PRG
2 stops16h 00mUnited Airlines
Wed 1/73:10 pmPRG - ONT
2 stops38h 48mUnited Airlines
Deal found 12/10$1,217
This oojo deal was found by Cheapflights users on 12/10. 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 12/2412:45 pmONT - PRG
2 stops22h 55mMultiple Airlines
Wed 12/316:50 amPRG - ONT
2 stops26h 09mMultiple Airlines
Deal found 12/10$1,260
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/121:34 pmONT - PRG
2 stops17h 31mUnited Airlines
Mon 12/2210:25 amPRG - ONT
2 stops20h 27mUnited Airlines
Deal found 12/10$1,374
This oojo deal was found by Cheapflights users on 12/10. 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.
Fri 12/1212:46 pmONT - PRG
2 stops19h 09mMultiple Airlines
Sun 12/218:40 pmPRG - ONT
2 stops36h 34mMultiple Airlines
Deal found 12/10$1,436
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/121:34 pmONT - PRG
2 stops17h 31mUnited Airlines
Sun 12/216:15 amPRG - ONT
2 stops20h 28mUnited Airlines
Deal found 12/10$1,443
This oojo deal was found by Cheapflights users on 12/9. 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 12/1012:46 pmONT - PRG
2 stops19h 44mBritish Airways
Wed 12/171:45 pmPRG - ONT
2 stops40h 13mBritish Airways
Deal found 12/9$1,516
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/2510:42 amONT - PRG
2 stops20h 23mUnited Airlines
Wed 12/313:10 pmPRG - ONT
2 stops40h 15mUnited Airlines
Deal found 12/11$1,562
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/185:05 amONT - PRG
2 stops26h 00mUnited Airlines
Sat 1/103:10 pmPRG - ONT
3 stops53h 08mUnited Airlines
Deal found 12/11$1,604
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/131:34 pmONT - PRG
2 stops23h 41mUnited Airlines
Sun 12/217:25 amPRG - ONT
2 stops35h 36mUnited Airlines
Deal found 12/10$1,661
This oojo deal was found by Cheapflights users on 12/11. 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.
Sun 12/1410:47 amONT - PRG
2 stops19h 08mIberia
Sat 12/203:40 pmPRG - ONT
2 stops39h 34mIberia
Deal found 12/11$1,748
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/275:05 amONT - PRG
2 stops32h 10mUnited Airlines
Wed 12/316:15 amPRG - ONT
2 stops23h 52mUnited Airlines
Deal found 12/10$1,750

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$494
(oojo)

One-way from

$261
(oojo)

Popular in

June

Cheapest in

November

Average price

$741
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. 16% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Wed 1/28

5:05 am-10:25 pm

2 stops32h 20m

Václav Havel Prague

Sun 2/1

7:25 am-5:43 pm

2 stops19h 18m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 3/6

11:59 pm-2:05 pm

2 stops29h 06m

Václav Havel Prague

Sat 3/14

6:15 am-8:50 pm

2 stops22h 35m

$522

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 3/18

5:02 pm-8:40 pm

2 stops19h 38m

Václav Havel Prague

Tue 3/31

2:00 pm-10:07 pm

2 stops17h 07m

$548

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 1/10

1:24 pm-2:05 pm

2 stops15h 41m

Václav Havel Prague

Sat 1/17

3:10 pm-10:53 pm

2 stops16h 43m

$708

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/13

1:28 pm-9:25 pm

2 stops22h 57m

Václav Havel Prague

Mon 5/25

6:00 am-10:26 pm

2 stops25h 26m

$754

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/13

1:28 pm-9:25 pm

2 stops22h 57m

Václav Havel Prague

Thu 5/21

2:30 pm-11:06 pm

2 stops17h 36m

$754

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/13

1:28 pm-9:25 pm

2 stops22h 57m

Václav Havel Prague

Sun 5/24

11:40 am-11:06 pm

2 stops20h 26m

$754

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/18

11:05 am-9:25 pm

2 stops25h 20m

Václav Havel Prague

Sat 5/23

6:00 am-10:26 pm

2 stops25h 26m

$779

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 5/17

6:00 am-9:25 pm

2 stops30h 25m

Václav Havel Prague

Thu 5/21

6:00 am-8:17 pm

2 stops23h 17m

$779

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/4

5:02 pm-11:00 pm

2 stops20h 58m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 $704). 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 $508, United Airlines can have you in Czech Republic from Ontario in 32h 20m. 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 $704). 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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