How long is the flight from Ontario to Prague?

Departing from Ontario to Prague will take you 20h 56m. The distance between Ontario and Prague is about 5917 mi.

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.

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).

What is the cheapest time of day to fly from ONT to PRG?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Prague as you normally would.

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.

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.

$310+ Flights from Ontario to Prague

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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 December 26, 2025.

Wed 12/3110:47 amONT - PRG

2 stops17h 28mBritish Airways

Mon 1/57:00 pmPRG - ONT

2 stops32h 45mBritish Airways

Deal found 12/25

$1,647

Wed 12/3110:47 amONT - PRG

2 stops39h 58mIberia

Sun 1/117:40 pmPRG - ONT

2 stops36h 08mIberia

Deal found 12/24

$5,418

Wed 12/3112:48 pmONT - PRG

2 stops19h 42mBritish Airways

Sun 1/116:50 amPRG - ONT

2 stops19h 32mBritish Airways

Deal found 12/25

$8,738

Best flights from Ontario to Prague
Discover carefully curated flight deals from Ontario to Prague that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Fri 1/233:09 pmONT - PRG

2 stops20h 56mBritish Airways

Fri 2/611:00 amPRG - ONT

2 stops20h 13mBritish Airways

Deal found 12/25

$495

Thu 2/55:05 amONT - PRG

2 stops32h 20mUnited Airlines

Mon 2/910:25 amPRG - ONT

2 stops40h 18mUnited Airlines

Deal found 12/25

$509

Tue 2/33:09 pmONT - PRG

2 stops17h 21mBritish Airways

Tue 2/106:45 amPRG - ONT

2 stops21h 00mBritish Airways

Deal found 12/24

$495

Wed 3/41:45 pmONT - PRG

2 stops17h 20mUnited Airlines

Tue 3/107:25 amPRG - ONT

2 stops21h 25mUnited Airlines

Deal found 12/26

$509

Fri 1/233:09 pmONT - PRG

2 stops20h 56mBritish Airways

Fri 3/66:00 amPRG - ONT

2 stops25h 04mBritish Airways

Deal found 12/25

$495

Sat 3/71:50 pmONT - PRG

2 stops17h 15mUnited Airlines

Mon 3/1610:25 amPRG - ONT

2 stops20h 00mUnited Airlines

Deal found 12/24

$509

Fri 2/64:45 pmONT - PRG

2 stops19h 20mBritish Airways

Sun 2/1510:55 amPRG - ONT

2 stops20h 09mBritish Airways

Deal found 12/25

$496

Sun 2/152:44 pmONT - PRG

2 stops18h 26mBritish Airways

Sun 3/16:50 amPRG - ONT

2 stops24h 14mBritish Airways

Deal found 12/26

$496

Tue 2/173:19 pmONT - PRG

2 stops20h 21mBritish Airways

Tue 3/36:45 amPRG - ONT

2 stops25h 04mBritish Airways

Deal found 12/25

$496

Mon 1/263:09 pmONT - PRG

2 stops22h 41mBritish Airways

Mon 2/96:45 amPRG - ONT

2 stops25h 03mBritish Airways

Deal found 12/25

$496

Wed 4/155:02 pmONT - PRG

2 stops18h 43mBritish Airways

Wed 5/69:15 pmPRG - ONT

2 stops53h 31mBritish Airways

Deal found 12/25

$500

Mon 3/305:02 pmONT - PRG

2 stops18h 18mBritish Airways

Mon 4/138:55 pmPRG - ONT

2 stops53h 51mBritish Airways

Deal found 12/26

$501

Last-minute flights from Ontario to Prague
Discover last-minute flight deals from Ontario to Prague. Data last updated December 26, 2025 and is based on user searches.

Sat 1/36:39 pmONT - PRG

2 stops34h 36mUnited Airlines

Sat 1/103:10 pmPRG - ONT

3 stops53h 08mUnited Airlines

Deal found 12/24

$935

Sun 1/410:42 amONT - PRG

2 stops18h 33mUnited Airlines

Sat 1/106:15 amPRG - ONT

2 stops20h 36mUnited Airlines

Deal found 12/24

$1,353

Wed 1/143:09 pmONT - PRG

2 stops17h 21mBritish Airways

Thu 5/1410:10 amPRG - ONT

2 stops20h 46mBritish Airways

Deal found 12/26

$747

Thu 1/153:09 pmONT - PRG

2 stops17h 56mBritish Airways

Mon 1/266:45 amPRG - ONT

2 stops25h 03mBritish Airways

Deal found 12/25

$696

Thu 1/1511:02 pmONT - PRG

3 stops31h 13mMultiple Airlines

Mon 1/268:10 amPRG - ONT

2 stops19h 34mMultiple Airlines

Deal found 12/25

$1,225

Fri 1/164:45 pmONT - PRG

2 stops19h 20mBritish Airways

Fri 2/611:00 amPRG - ONT

2 stops20h 13mBritish Airways

Deal found 12/25

$873

Fri 1/233:09 pmONT - PRG

2 stops20h 56mBritish Airways

Fri 2/611:00 amPRG - ONT

2 stops20h 13mBritish Airways

Deal found 12/25

$495

Fri 1/233:09 pmONT - PRG

2 stops20h 56mBritish Airways

Mon 2/2311:00 amPRG - ONT

2 stops20h 04mBritish Airways

Deal found 12/25

$595

Mon 1/263:09 pmONT - PRG

2 stops22h 41mBritish Airways

Mon 2/96:45 amPRG - ONT

2 stops25h 03mBritish Airways

Deal found 12/25

$496

Thu 1/295:05 amONT - PRG

2 stops23h 00mUnited Airlines

Mon 2/23:10 pmPRG - ONT

2 stops16h 43mUnited Airlines

Deal found 12/24

$509

One-way flights from Ontario to Prague
Search for one-way flight options from Ontario to Prague. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Thu 4/235:02 pmONT - PRG

2 stops18h 08mBritish Airways

Deal found 12/25

$310

Tue 6/95:00 pmONT - PRG

2 stops18h 30mBritish Airways

Deal found 12/26

$369

Fri 1/235:05 amONT - PRG

2 stops23h 00mUnited Airlines

Deal found 12/25

$407

Tue 2/105:05 amONT - PRG

3 stops23h 50mUnited Airlines

Deal found 12/25

$408

Wed 3/1111:59 pmONT - PRG

2 stops27h 16mUnited Airlines

Deal found 12/26

$419

Wed 6/2410:54 amONT - PRG

2 stops19h 51mBritish Airways

Deal found 12/24

$637

Mon 1/54:47 pmONT - PRG

2 stops18h 48mBritish Airways

Deal found 12/25

$713

Wed 6/248:43 amONT - PRG

2 stops21h 07mIberia

Deal found 12/24

$797

Sat 6/2011:59 pmONT - PRG

2 stops29h 51mAmerican Airlines

Deal found 12/26

$944

Tue 6/165:00 pmONT - PRG

2 stops21h 35mBritish Airways

Deal found 12/26

$951

Sat 6/2011:59 pmONT - PRG

2 stops35h 11mBritish Airways

Deal found 12/26

$1,045

Thu 6/188:43 amONT - PRG

2 stops41h 07mAmerican Airlines

Deal found 12/26

$1,066

Find flight deals from Ontario to Prague

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$495 (oojo)
One-way from	$310 (oojo)
Popular in	June
Cheapest in	February
Average price	$753

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 ($148 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

Fly from

Fly to

Route

Depart

Return

Price

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 1/23

3:09 pm-9:05 pm

2 stops20h 56m

Václav Havel Prague

Fri 2/6

11:00 am-10:13 pm

2 stops20h 13m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 2/3

3:09 pm-5:30 pm

2 stops17h 21m

Václav Havel Prague

Tue 2/10

6:45 am-6:45 pm

2 stops21h 00m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 1/23

3:09 pm-9:05 pm

2 stops20h 56m

Václav Havel Prague

Fri 3/6

6:00 am-10:04 pm

2 stops25h 04m

$495

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Fri 2/6

4:45 pm-9:05 pm

2 stops19h 20m

Václav Havel Prague

Sun 2/15

10:55 am-10:04 pm

2 stops20h 09m

$496

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 2/15

2:44 pm-6:10 pm

2 stops18h 26m

Václav Havel Prague

Sun 3/1

6:50 am-10:04 pm

2 stops24h 14m

$496

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 2/17

3:19 pm-8:40 pm

2 stops20h 21m

Václav Havel Prague

Tue 3/3

6:45 am-10:49 pm

2 stops25h 04m

$496

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 1/26

3:09 pm-10:50 pm

2 stops22h 41m

Václav Havel Prague

Mon 2/9

6:45 am-10:48 pm

2 stops25h 03m

$496

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 4/15

5:02 pm-8:45 pm

2 stops18h 43m

Václav Havel Prague

Wed 5/6

9:15 pm-5:46 pm

2 stops53h 31m

$500

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 3/30

5:02 pm-8:20 pm

2 stops18h 18m

Václav Havel Prague

Mon 4/13

8:55 pm-5:46 pm

2 stops53h 51m

$501

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 2/5

5:05 am-10:25 pm

2 stops32h 20m

Václav Havel Prague

Mon 2/9

10:25 am-5:43 pm

2 stops40h 18m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 23 results

Compare providers for flights from Ontario to Prague

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust 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 $716). 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

How long is the flight from Ontario to Prague?
Departing from Ontario to Prague will take you 20h 56m. 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 $716). 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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Václav Havel Prague Airport car rentals

Carlsbad Karlovy Vary Airport car rentals

Prague 10 car rentals

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$310+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Prague with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Prague

Cheapest flights from Ontario to PragueExplore 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 December 26, 2025.

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 December 26, 2025.

Find flight deals from Ontario to Prague

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Prague that are best for you.

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.

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.

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?

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?

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

How can I find direct flights from Ontario to Prague?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Prague

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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 December 26, 2025.