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$538+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PRG
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$725
(United Airlines)

One-way from

$538
(oojo)

Popular in

June

Cheapest in

February

Average price

$832
Provider with most accurate pricing for Ontario-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Ontario-Václav Havel Prague flights.
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From Ontario to Václav Havel Prague
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One-way flight from Ontario to Václav Havel Prague
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Highest demand for flights based on searches. 11% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 1, 2025.

This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:02 pmONT - PRG
2 stops17h 03mBritish Airways
Thu 11/132:00 pmPRG - ONT
2 stops18h 45mBritish Airways
Deal found 4/30$633
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/271:00 pmONT - PRG
2 stops19h 05mUnited Airlines
Mon 11/101:50 pmPRG - ONT
2 stops17h 45mUnited Airlines
Deal found 4/29$725
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:31 pmONT - PRG
2 stops19h 14mAmerican Airlines
Sun 9/76:55 amPRG - ONT
2 stops23h 45mAmerican Airlines
Deal found 4/29$832
This Iberia deal was found by Cheapflights users on 4/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:44 amONT - PRG
2 stops22h 16mIberia
Wed 11/123:45 pmPRG - ONT
2 stops39h 15mIberia
Deal found 4/30$841
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:00 pmONT - PRG
2 stops16h 05mMultiple Airlines
Wed 9/102:00 pmPRG - ONT
2 stops18h 53mMultiple Airlines
Deal found 4/29$1,057
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:10 amONT - PRG
3 stops20h 45mAir Canada
Mon 6/3011:40 amPRG - ONT
3 stops33h 52mAir Canada
Deal found 4/29$1,308
This oojo deal was found by Cheapflights users on 4/29. 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 7/2012:45 amONT - PRG
1 stop45h 35mChina Airlines
Sun 7/2710:40 amPRG - ONT
1 stop41h 00mChina Airlines
Deal found 4/29$8,954

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 May 1, 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

Mon 10/27

1:00 pm-4:05 pm

2 stops19h 05m

Václav Havel Prague

Mon 11/10

1:50 pm-10:35 pm

2 stops17h 45m

$725

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 8/21

2:31 pm-6:45 pm

2 stops19h 14m

Václav Havel Prague

Sun 9/7

6:55 am-9:40 pm

2 stops23h 45m

$832

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 10/24

8:44 am-6:55 pm

2 stops25h 11m

Václav Havel Prague

Wed 11/12

3:45 pm-10:00 pm

2 stops39h 15m

$891

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 8/17

12:00 pm-1:05 pm

2 stops16h 05m

Václav Havel Prague

Wed 9/10

2:00 pm-11:53 pm

2 stops18h 53m

$1,057

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 6/25

5:10 am-10:55 am

3 stops20h 45m

Václav Havel Prague

Mon 6/30

11:40 am-12:32 pm

3 stops33h 52m

$1,308

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/21

2:44 pm-5:00 pm

2 stops17h 16m

Václav Havel Prague

Wed 6/4

12:55 pm-9:57 pm

2 stops18h 02m

$1,771

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 7/20

12:45 am-7:20 am

1 stop45h 35m

Václav Havel Prague

Sun 7/27

10:40 am-6:40 pm

1 stop41h 00m

$8,954

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 8/21

2:31 pm-11:30 pm

2 stops23h 59m

$538

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 8/21

6:38 pm-12:10 pm

2 stops32h 32m

$545

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 8/21

3:04 pm-8:20 am

3 stops32h 16m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Prague flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $651). Flying from Ontario to Prague in June is currently the most expensive (average of $1,179). 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.

Rainfall in Prague by month

Plan your trip to Prague by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Prague ranges from 0.4 - 2.4 inches per month. June is typically the wettest month, when rainfall can reach 2.4 in. February is typically the driest time to visit Prague when rainfall is around 0.4 in.

Temperature in Prague by month

Plan your trip to Prague by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Prague, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Prague. Reviews last updated May 1, 2025.
See what other customers who have flown with China Airlines, Delta and United Airlines from Ontario to Prague have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
732 reviews
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very good
7,934 reviews
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
United Airlines
7.4
Good
8,696 reviews
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
American Airlines
7.2
Good
10,000 reviews
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Air Canada
7.0
Good
9,252 reviews
China Airlines
8.3
Very good
732 reviews

Comfort

8.0

Boarding

8.3

Entertainment

8.0

Overall

8.3

Crew

8.5

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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.

  • What are the cheapest airlines flying from Ontario to Prague round-trip?

    Cheapflights users have booked flights from Ontario to Prague round-trip from $725. Other airlines that can offer you cheap pricing are American Airlines, from $832, and Iberia, from $891.

  • What are the cheapest airlines to fly from Ontario to Prague one-way?

    One-way options have recently been found by users for as low as $538 on British Airways. Other airlines that offer cheap prices include United Airlines from $545 and Air Canada from $835 one-way.

  • 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 $651). Flying from Ontario to Prague in June is currently the most expensive (average of $1,179). 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.

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