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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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
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 9, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:05 amONT - PRG
2 stops32h 20mUnited Airlines
Wed 12/177:30 amPRG - ONT
2 stops22h 12mUnited Airlines
Deal found 12/9$719
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/3010:42 amONT - PRG
2 stops18h 23mUnited Airlines
Tue 1/131:45 pmPRG - ONT
2 stops18h 08mUnited Airlines
Deal found 12/8$722
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/2611:59 pmONT - PRG
2 stops37h 16mUnited Airlines
Sat 1/317:35 amPRG - ONT
2 stops24h 18mUnited Airlines
Deal found 12/7$829
This oojo deal was found by Cheapflights users on 12/7. 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 12/2910:50 amONT - PRG
2 stops39h 55mIberia
Mon 1/1212:30 pmPRG - ONT
2 stops43h 18mIberia
Deal found 12/7$1,018
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 12/2412:45 pmONT - PRG
2 stops22h 55mBritish Airways
Thu 1/86:45 amPRG - ONT
2 stops19h 37mBritish Airways
Deal found 12/9$1,109
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:34 pmONT - PRG
2 stops17h 31mUnited Airlines
Wed 12/177:30 amPRG - ONT
2 stops22h 12mUnited Airlines
Deal found 12/9$1,197
This oojo deal was found by Cheapflights users on 12/7. 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 12/812:46 pmONT - PRG
2 stops22h 49mBritish Airways
Tue 1/69:20 pmPRG - ONT
2 stops31h 50mBritish Airways
Deal found 12/7$1,199
This oojo deal was found by Cheapflights users on 12/7. 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 12/812:46 pmONT - PRG
2 stops22h 49mBritish Airways
Mon 12/1511:00 amPRG - ONT
2 stops35h 55mBritish Airways
Deal found 12/7$1,218
This oojo deal was found by Cheapflights users on 12/7. 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 12/224:44 pmONT - PRG
2 stops21h 06mBritish Airways
Wed 1/79:30 pmPRG - ONT
2 stops28h 52mBritish Airways
Deal found 12/7$1,379
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.
Thu 12/2512:55 pmONT - PRG
2 stops20h 10mBritish Airways
Wed 1/79:30 pmPRG - ONT
2 stops28h 52mBritish Airways
Deal found 12/9$1,394
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/91:34 pmONT - PRG
2 stops17h 31mUnited Airlines
Tue 12/161:45 pmPRG - ONT
2 stops18h 04mUnited Airlines
Deal found 12/8$1,399
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/85:05 amONT - PRG
2 stops32h 20mUnited Airlines
Tue 1/67:25 amPRG - ONT
3 stops36h 53mUnited Airlines
Deal found 12/7$1,436

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 9, 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

$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 9, 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

Fri 1/30

3:09 pm-6:25 pm

2 stops18h 16m

Václav Havel Prague

Fri 2/13

6:00 am-10:04 pm

2 stops25h 04m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 1/28

1:24 pm-1:05 pm

2 stops38h 41m

Václav Havel Prague

Sun 2/1

7:25 am-10:53 pm

2 stops24h 28m

$508

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 1/6

1:53 pm-2:05 pm

2 stops39h 12m

Václav Havel Prague

Tue 1/13

7:25 am-9:59 pm

2 stops23h 34m

$521

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

$521

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 1/10

4:45 pm-10:50 pm

2 stops21h 05m

Václav Havel Prague

Sat 2/7

10:55 am-10:48 pm

2 stops20h 53m

$595

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 4/7

3:05 pm-8:30 pm

2 stops20h 25m

Václav Havel Prague

Wed 4/22

8:40 am-9:56 pm

2 stops22h 16m

$603

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 4/7

5:02 pm-8:30 pm

2 stops18h 28m

Václav Havel Prague

Tue 4/21

10:20 am-5:46 pm

2 stops40h 26m

$605

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 4/3

5:02 pm-11:00 pm

2 stops20h 58m

Václav Havel Prague

Mon 4/13

8:55 pm-5:46 pm

2 stops53h 51m

$655

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 3/22

2:47 pm-6:10 pm

2 stops19h 23m

Václav Havel Prague

Fri 4/3

10:05 am-10:30 pm

2 stops21h 25m

$660

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 5/5

5:02 pm-11:35 pm

2 stops21h 33m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 21 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 $495, British Airways can have you in Czech Republic from Ontario in 18h 16m. 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 $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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