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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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/275:05 amONT - PRG
2 stops32h 20mUnited Airlines
Sun 1/117:25 amPRG - ONT
2 stops23h 33mUnited Airlines
Deal found 12/17$708
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/175:05 amONT - PRG
2 stops32h 20mUnited Airlines
Wed 12/247:30 amPRG - ONT
2 stops22h 37mUnited Airlines
Deal found 12/16$742
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/166:00 amONT - PRG
2 stops31h 25mUnited Airlines
Tue 12/231:45 pmPRG - ONT
2 stops17h 40mUnited Airlines
Deal found 12/16$772
This oojo deal was found by Cheapflights users on 12/16. 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 12/217:10 amONT - PRG
2 stops26h 00mBritish Airways
Mon 1/196:45 amPRG - ONT
2 stops21h 00mBritish Airways
Deal found 12/16$868
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:15 amONT - PRG
2 stops17h 30mDelta
Mon 12/296:30 amPRG - ONT
2 stops18h 42mDelta
Deal found 12/17$1,007
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:10 amONT - PRG
2 stops26h 00mBritish Airways
Sun 1/186:50 amPRG - ONT
2 stops22h 20mBritish Airways
Deal found 12/15$1,034
This oojo deal was found by Cheapflights users on 12/16. 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 12/222:42 pmONT - PRG
2 stops20h 53mBritish Airways
Mon 1/196:45 amPRG - ONT
2 stops19h 37mBritish Airways
Deal found 12/16$1,136
This oojo deal was found by Cheapflights users on 12/16. 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.
Sat 12/2011:59 pmONT - PRG
2 stops33h 11mBritish Airways
Mon 1/129:35 pmPRG - ONT
2 stops30h 10mBritish Airways
Deal found 12/16$1,148
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/245:05 amONT - PRG
2 stops32h 20mUnited Airlines
Tue 12/306:15 amPRG - ONT
2 stops20h 28mUnited Airlines
Deal found 12/17$1,170
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmONT - PRG
2 stops16h 15mBritish Airways
Wed 12/319:30 pmPRG - ONT
2 stops29h 46mBritish Airways
Deal found 12/17$1,308
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/245:05 amONT - PRG
2 stops32h 20mUnited Airlines
Wed 12/316:15 amPRG - ONT
2 stops25h 10mUnited Airlines
Deal found 12/17$1,448
This oojo deal was found by Cheapflights users on 12/16. 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 12/292:42 pmONT - PRG
2 stops20h 53mBritish Airways
Tue 1/69:20 pmPRG - ONT
2 stops30h 25mBritish Airways
Deal found 12/16$1,505

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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(oojo)

One-way from

$261
(oojo)

Popular in

June

Cheapest in

November

Average price

$748
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 ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 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 18, 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

Sun 2/1

4:45 pm-6:10 pm

2 stops16h 25m

Václav Havel Prague

Sun 2/8

6:50 am-10:13 pm

2 stops24h 23m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 1/25

4:45 pm-10:50 pm

2 stops21h 05m

Václav Havel Prague

Sat 1/31

7:15 pm-10:13 pm

2 stops35h 58m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 4/18

10:59 pm-10:55 am

2 stops26h 56m

Václav Havel Prague

Tue 4/28

6:00 am-10:09 pm

2 stops25h 09m

$507

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 1/31

6:00 am-5:05 pm

2 stops26h 05m

Václav Havel Prague

Mon 2/9

6:00 am-12:16 pm

2 stops39h 16m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 2/3

6:00 am-5:05 pm

2 stops26h 05m

Václav Havel Prague

Thu 2/12

2:30 pm-12:07 pm

2 stops54h 37m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 2/1

6:00 am-11:40 am

2 stops20h 40m

Václav Havel Prague

Mon 2/9

6:00 am-12:16 pm

2 stops39h 16m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 2/2

5:10 pm-5:05 pm

2 stops38h 55m

Václav Havel Prague

Wed 2/11

8:55 am-12:07 pm

2 stops60h 12m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 1/31

6:00 am-5:05 pm

2 stops26h 05m

Václav Havel Prague

Thu 2/12

11:35 am-12:07 pm

2 stops57h 32m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 2/5

6:00 am-11:40 am

2 stops20h 40m

Václav Havel Prague

Sun 2/8

8:55 am-12:16 pm

2 stops60h 21m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 2/5

6:00 am-11:40 am

2 stops20h 40m

Václav Havel Prague

Wed 2/11

8:55 am-4:02 pm

2 stops40h 07m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 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 $712). 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 $495, British Airways can have you in Czech Republic from Ontario in 16h 25m. 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 $712). 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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