How long is the flight from Ontario to Prague?

Departing from Ontario to Prague will take you 23h. The distance between Ontario and Prague is about 5917 mi.

What is the cheapest day to fly from Ontario to Prague?

Travelers seeking maximum savings on their Ontario to Prague flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

One of the essential ways to save on airfare from Ontario to Prague is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

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.

$450+ Cheap Flights from Ontario to Prague

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Cheap flight deals from Ontario to Prague

Round-trip from	$558 (United Airlines)
One-way from	$450 (United Airlines)
Popular in	June
Cheapest in	November
Average price	$643

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. 13% potential increase in price ($122 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 17, 2025.

Wed 11/196:38 pmONT - PRG

2 stops18h 47mUnited Airlines

Wed 12/37:30 amPRG - ONT

2 stops23h 19mUnited Airlines

Deal found 9/16

$558

Tue 12/26:41 pmONT - PRG

2 stops18h 44mUnited Airlines

Tue 12/91:45 pmPRG - ONT

2 stops18h 04mUnited Airlines

Deal found 9/16

$569

Tue 11/45:05 amONT - PRG

2 stops23h 00mUnited Airlines

Mon 11/103:10 pmPRG - ONT

2 stops39h 39mUnited Airlines

Deal found 9/16

$577

Thu 11/276:10 amONT - PRG

2 stops31h 40mMultiple Airlines

Fri 12/56:00 amPRG - ONT

2 stops25h 28mMultiple Airlines

Deal found 9/16

$605

Thu 11/276:00 amONT - PRG

2 stops31h 25mUnited Airlines

Fri 12/57:35 amPRG - ONT

3 stops24h 14mUnited Airlines

Deal found 9/17

$608

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Thu 10/236:00 amPRG - ONT

2 stops23h 24mUnited Airlines

Deal found 9/16

$613

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Tue 10/286:50 amPRG - ONT

2 stops19h 46mUnited Airlines

Deal found 9/17

$628

Thu 10/162:51 pmONT - PRG

2 stops20h 19mAmerican Airlines

Thu 10/237:10 amPRG - ONT

2 stops23h 39mAmerican Airlines

Deal found 9/16

$658

Thu 10/167:02 amONT - PRG

2 stops17h 38mUnited Airlines

Thu 10/236:00 amPRG - ONT

2 stops24h 24mUnited Airlines

Deal found 9/16

$667

Sun 10/51:53 pmONT - PRG

2 stops18h 57mUnited Airlines

Wed 10/156:00 amPRG - ONT

3 stops20h 23mUnited Airlines

Deal found 9/16

$672

Wed 12/2410:42 amONT - PRG

2 stops17h 23mUnited Airlines

Mon 1/53:10 pmPRG - ONT

2 stops40h 43mUnited Airlines

Deal found 9/16

$694

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 September 17, 2025.

Tue 11/45:05 amONT - PRG

2 stops23h 00mUnited Airlines

Mon 11/103:10 pmPRG - ONT

2 stops39h 39mUnited Airlines

Deal found 9/17

$578

Fri 1/1610:57 amONT - PRG

2 stops18h 03mBritish Airways

Fri 1/3011:00 amPRG - ONT

2 stops20h 02mBritish Airways

Deal found 9/16

$647

Sun 11/91:29 pmONT - PRG

2 stops17h 36mUnited Airlines

Sun 11/237:25 amPRG - ONT

2 stops19h 09mUnited Airlines

Deal found 9/17

$608

Thu 11/276:00 amONT - PRG

2 stops31h 25mUnited Airlines

Fri 12/57:35 amPRG - ONT

3 stops24h 14mUnited Airlines

Deal found 9/17

$608

Thu 11/61:29 pmONT - PRG

2 stops17h 36mUnited Airlines

Thu 11/203:10 pmPRG - ONT

2 stops16h 41mUnited Airlines

Deal found 9/17

$608

Mon 3/161:00 pmONT - PRG

2 stops16h 05mUnited Airlines

Mon 3/3010:25 amPRG - ONT

2 stops19h 56mUnited Airlines

Deal found 9/17

$609

Sun 2/151:00 pmONT - PRG

2 stops16h 15mUnited Airlines

Sun 3/13:00 pmPRG - ONT

2 stops16h 57mUnited Airlines

Deal found 9/16

$613

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Thu 10/236:00 amPRG - ONT

2 stops23h 24mUnited Airlines

Deal found 9/16

$613

Sun 1/187:00 amONT - PRG

2 stops19h 10mUnited Airlines

Sun 2/13:00 pmPRG - ONT

2 stops16h 53mUnited Airlines

Deal found 9/17

$613

Thu 1/110:42 amONT - PRG

2 stops18h 58mUnited Airlines

Thu 1/151:45 pmPRG - ONT

2 stops17h 41mUnited Airlines

Deal found 9/16

$625

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Tue 10/286:50 amPRG - ONT

2 stops19h 46mUnited Airlines

Deal found 9/17

$628

Last-minute flights from Ontario to Prague
Discover last-minute flight deals from Ontario to Prague. Data last updated September 17, 2025 and is based on user searches.

Wed 10/11:15 pmONT - PRG

2 stops17h 45mUnited Airlines

Sun 10/192:30 pmPRG - ONT

2 stops17h 22mUnited Airlines

Deal found 9/17

$1,128

Fri 10/37:02 amONT - PRG

2 stops17h 38mUnited Airlines

Fri 10/1711:40 amPRG - ONT

2 stops18h 44mUnited Airlines

Deal found 9/16

$732

Sun 10/51:53 pmONT - PRG

2 stops18h 57mUnited Airlines

Wed 10/152:30 pmPRG - ONT

2 stops17h 22mUnited Airlines

Deal found 9/16

$672

Tue 10/74:15 pmONT - PRG

2 stops20h 05mUnited Airlines

Tue 10/2111:40 amPRG - ONT

2 stops18h 44mUnited Airlines

Deal found 9/16

$813

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Thu 10/236:00 amPRG - ONT

2 stops23h 24mUnited Airlines

Deal found 9/16

$613

Tue 10/144:15 pmONT - PRG

2 stops14h 45mUnited Airlines

Tue 10/286:50 amPRG - ONT

2 stops19h 46mUnited Airlines

Deal found 9/17

$628

Thu 10/162:51 pmONT - PRG

2 stops20h 19mAmerican Airlines

Thu 10/237:10 amPRG - ONT

2 stops23h 39mAmerican Airlines

Deal found 9/16

$658

Thu 10/167:02 amONT - PRG

2 stops17h 38mUnited Airlines

Thu 10/236:00 amPRG - ONT

2 stops24h 24mUnited Airlines

Deal found 9/16

$667

Fri 10/175:05 amONT - PRG

2 stops31h 15mUnited Airlines

Fri 10/246:00 amPRG - ONT

3 stops20h 23mUnited Airlines

Deal found 9/16

$1,023

Fri 10/176:27 pmONT - PRG

2 stops34h 13mUnited Airlines

Sun 10/263:00 pmPRG - ONT

2 stops39h 51mUnited Airlines

Deal found 9/17

$1,052

Tue 10/281:33 pmONT - PRG

2 stops24h 52mUnited Airlines

Tue 11/46:15 amPRG - ONT

2 stops25h 36mUnited Airlines

Deal found 9/16

$1,471

Fri 10/316:38 pmONT - PRG

2 stops19h 47mUnited Airlines

Fri 11/77:35 amPRG - ONT

2 stops23h 56mUnited Airlines

Deal found 9/16

$608

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 September 17, 2025.

Sun 11/161:29 pmONT - PRG

2 stops23h 56mUnited Airlines

Deal found 9/17

$450

Mon 3/161:00 pmONT - PRG

2 stops16h 05mUnited Airlines

Deal found 9/17

$452

Wed 10/87:02 amONT - PRG

2 stops18h 53mMultiple Airlines

Deal found 9/16

$460

Wed 10/81:53 pmONT - PRG

2 stops34h 47mUnited Airlines

Deal found 9/16

$487

Sat 3/141:00 pmONT - PRG

2 stops16h 05mUnited Airlines

Deal found 9/17

$507

Thu 10/97:02 amONT - PRG

2 stops21h 18mUnited Airlines

Deal found 9/17

$510

Fri 3/131:00 pmONT - PRG

2 stops16h 45mDelta

Deal found 9/17

$528

Sun 3/151:32 pmONT - PRG

2 stops23h 13mAmerican Airlines

Deal found 9/17

$537

Wed 10/88:15 amONT - PRG

2 stops17h 35mBritish Airways

Deal found 9/17

$707

Tue 12/235:05 amONT - PRG

3 stops24h 00mUnited Airlines

Deal found 9/16

$720

Tue 9/232:54 pmONT - PRG

2 stops19h 01mIberia

Deal found 9/17

$991

Wed 10/110:54 amONT - PRG

2 stops18h 56mIberia

Deal found 9/16

$2,299

Fly from

Fly to

Route

Depart

Return

Price

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 11/4

5:05 am-1:05 pm

2 stops23h 00m

Václav Havel Prague

Mon 11/10

3:10 pm-9:49 pm

2 stops39h 39m

$578

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 11/9

1:29 pm-4:05 pm

2 stops17h 36m

Václav Havel Prague

Sun 11/23

7:25 am-5:34 pm

2 stops19h 09m

$608

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 11/27

6:00 am-10:25 pm

2 stops31h 25m

Václav Havel Prague

Fri 12/5

7:35 am-10:49 pm

3 stops24h 14m

$608

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 11/6

1:29 pm-4:05 pm

2 stops17h 36m

Václav Havel Prague

Thu 11/20

3:10 pm-10:51 pm

2 stops16h 41m

$608

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 3/16

1:00 pm-1:05 pm

2 stops16h 05m

Václav Havel Prague

Mon 3/30

10:25 am-9:21 pm

2 stops19h 56m

$609

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 2/15

1:00 pm-2:15 pm

2 stops16h 15m

Václav Havel Prague

Sun 3/1

3:00 pm-10:57 pm

2 stops16h 57m

$613

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 10/14

4:15 pm-4:00 pm

2 stops14h 45m

Václav Havel Prague

Thu 10/23

6:00 am-8:24 pm

2 stops23h 24m

$613

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sun 1/18

7:00 am-11:10 am

2 stops19h 10m

Václav Havel Prague

Sun 2/1

3:00 pm-10:53 pm

2 stops16h 53m

$613

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Thu 1/1

10:42 am-2:40 pm

2 stops18h 58m

Václav Havel Prague

Thu 1/15

1:45 pm-10:26 pm

2 stops17h 41m

$625

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 10/14

4:15 pm-4:00 pm

2 stops14h 45m

Václav Havel Prague

Tue 10/28

6:50 am-6:36 pm

2 stops19h 46m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 21 results

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 $1,119). 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 23h. 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 $651). Flying from Ontario to Prague in June is currently the most expensive (average of $1,119). 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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$450+ 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 11/16. 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

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Cheap flight deals from Ontario to Prague

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Cheapest in

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Find 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 September 17, 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 September 17, 2025.

Cheapflights Fare Finder

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

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?

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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 September 17, 2025.