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Prague

$269+ Cheap flights from Ontario (ONT) to Prague (PRG)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
1 adult, Economy
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Cheap flight deals from Ontario to Prague

Cheapest flights from Ontario to Prague
Explore the most affordable flight options available from Ontario to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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. 12/2710:42 amONT - PRG
2 stops18h 23mUnited Airlines
mié. 1/77:30 amPRG - ONT
2 stops19h 13mUnited Airlines
Deal found 12/3$586
This United Airlines deal was found by Cheapflights users on 12/1. 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.
lun. 12/291:40 pmONT - PRG
2 stops39h 25mUnited Airlines
jue. 1/87:35 amPRG - ONT
2 stops22h 23mUnited Airlines
Deal found 12/1$661
This United Airlines deal was found by Cheapflights users on 12/3. 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. 12/96:00 amONT - PRG
2 stops31h 25mUnited Airlines
mié. 12/177:30 amPRG - ONT
2 stops22h 12mUnited Airlines
Deal found 12/3$711
This United Airlines deal was found by Cheapflights users on 12/2. 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. 12/41:50 pmONT - PRG
2 stops39h 15mUnited Airlines
dom. 12/73:00 pmPRG - ONT
2 stops35h 37mUnited Airlines
Deal found 12/2$730
This United Airlines deal was found by Cheapflights users on 12/3. 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.
vie. 12/2611:59 pmONT - PRG
2 stops37h 16mUnited Airlines
jue. 1/83:10 pmPRG - ONT
2 stops39h 48mUnited Airlines
Deal found 12/3$937
This United Airlines deal was found by Cheapflights users on 12/2. 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. 12/101:34 pmONT - PRG
2 stops15h 31mUnited Airlines
mié. 12/176:15 amPRG - ONT
2 stops20h 20mUnited Airlines
Deal found 12/2$1,008
This United Airlines deal was found by Cheapflights users on 12/2. 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. 12/161:34 pmONT - PRG
2 stops17h 31mUnited Airlines
jue. 12/256:50 amPRG - ONT
2 stops24h 35mUnited Airlines
Deal found 12/2$1,054
This United Airlines deal was found by Cheapflights users on 12/3. 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. 12/2711:59 pmONT - PRG
2 stops37h 26mUnited Airlines
jue. 1/83:10 pmPRG - ONT
2 stops39h 48mUnited Airlines
Deal found 12/3$1,155
This United Airlines deal was found by Cheapflights users on 12/3. 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. 12/96:41 pmONT - PRG
2 stops18h 44mUnited Airlines
dom. 12/216:15 amPRG - ONT
2 stops20h 28mUnited Airlines
Deal found 12/3$1,232

Find flight deals from Ontario to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Prague (PRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$444
(oojo)

One-way from

$269
(oojo)

Popular in

June

Cheapest in

November

Average price

$762
Provider with most accurate pricing for Ontario-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Václav Havel Prague flights.
Search Deals
From Ontario to Václav Havel Prague
Search Deals
One-way flight from Ontario to Václav Havel Prague
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($144 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 Prague 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 diciembre 4, 2025.
Use the filters below to find and compare flights from Ontario to Prague that are best for you.

Fly from

Ontario

Fly to

Prague

Route

Depart

Return

Price

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 4/1

5:02 pm-8:45 pm

2 stops18h 43m

Václav Havel Prague

lun. 4/6

8:55 pm-5:46 pm

2 stops53h 51m

$449

OntarioPrague

ONT - PRG

ONTPRG

Ontario

vie. 1/23

4:45 pm-9:05 pm

2 stops19h 20m

Václav Havel Prague

vie. 2/6

6:00 am-10:13 pm

2 stops25h 13m

$469

OntarioPrague

ONT - PRG

ONTPRG

Ontario

dom. 1/18

4:45 pm-10:50 pm

2 stops21h 05m

Václav Havel Prague

dom. 1/25

6:50 am-10:13 pm

2 stops24h 23m

$471

OntarioPrague

ONT - PRG

ONTPRG

Ontario

vie. 1/16

4:45 pm-9:05 pm

2 stops19h 20m

Václav Havel Prague

vie. 1/23

6:00 am-10:13 pm

2 stops25h 13m

$471

OntarioPrague

ONT - PRG

ONTPRG

Ontario

dom. 1/18

4:45 pm-10:50 pm

2 stops21h 05m

Václav Havel Prague

sáb. 1/31

7:15 pm-10:13 pm

2 stops35h 58m

$471

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 2/4

12:41 pm-5:05 pm

2 stops19h 24m

Václav Havel Prague

dom. 2/8

8:55 am-11:58 pm

2 stops48h 03m

$497

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 2/4

6:00 am-10:25 pm

2 stops31h 25m

Václav Havel Prague

dom. 2/8

3:00 pm-10:53 pm

2 stops16h 53m

$507

OntarioPrague

ONT - PRG

ONTPRG

Ontario

vie. 1/23

6:39 pm-10:25 pm

2 stops18h 46m

Václav Havel Prague

mar. 1/27

7:25 am-9:58 pm

2 stops23h 33m

$507

OntarioPrague

ONT - PRG

ONTPRG

Ontario

sáb. 1/17

6:32 pm-10:25 pm

2 stops18h 53m

Václav Havel Prague

mié. 1/28

7:30 am-9:58 pm

2 stops23h 28m

$507

OntarioPrague

ONT - PRG

ONTPRG

Ontario

mié. 3/4

1:45 pm-4:05 pm

2 stops17h 20m

Václav Havel Prague

mié. 3/18

7:30 am-8:50 pm

2 stops21h 20m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 23 results
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Compare providers for flights from Ontario to Prague

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Prague in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Prague flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Prague flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Prague flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Prague flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Prague flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague 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 Prague

What is the cheapest month to book a flight from Ontario to Prague?

Currently, November is the cheapest month in which you can book a flight from Ontario to Prague (average of $424). Flying from Ontario to Prague in June is currently the most expensive (average of $708). 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 Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Prague?

    Departing from Ontario to Prague will take you 18h 43m. The distance between Ontario and Prague is about 5917 mi.

  • Can I find deals for flights from Ontario to Prague that include hotel bookings?

    Yes. In addition to deals on Ontario to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Prague.

  • Can I find deals for business class flights from Ontario to Prague?

    Yes. Cheapflights offers flight deals from Ontario to Prague 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 Prague?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Prague (average of $424). Flying from Ontario to Prague in June is currently the most expensive (average of $708). 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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