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Cheap flights from Ontario to the Czech Republic from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to the Czech Republic departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to the Czech Republic

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:05 pm - 9:45 pm
ONT
-
PRG
43h 40m
2 stops
Delta Logo
11:00 am - 9:48 pm
PRG
-
ONT
19h 48m
2 stops
$723Delta
Mon, May 4 - Tue, May 12
Delta Logo
1:29 pm - 9:45 pm
ONT
-
PRG
47h 16m
2 stops
Delta Logo
2:30 pm - 6:36 pm
PRG
-
ONT
37h 06m
2 stops
$726Delta
Mon, May 4 - Mon, May 11
Delta Logo
10:15 pm - 8:20 am
ONT
-
PRG
49h 05m
2 stops
Delta Logo
11:00 am - 10:57 am
PRG
-
ONT
32h 57m
2 stops
$727Delta
Sat, May 2 - Wed, May 13
United Airlines Logo
7:00 am - 9:20 pm
ONT
-
PRG
29h 20m
2 stops
United Airlines Logo
2:35 pm - 10:59 pm
PRG
-
ONT
17h 24m
2 stops
$728United Airlines
Wed, May 6 - Wed, May 13
United Airlines Logo
6:30 am - 10:50 am
ONT
-
PRG
19h 20m
2 stops
United Airlines Logo
2:35 pm - 10:58 pm
PRG
-
ONT
17h 23m
2 stops
$729United Airlines
Wed, Aug 5 - Wed, Aug 19
Delta Logo
10:15 pm - 8:20 am
ONT
-
PRG
49h 05m
2 stops
Delta Logo
2:30 pm - 5:10 pm
PRG
-
ONT
35h 40m
2 stops
$731Delta
Sat, May 2 - Mon, May 11
United Airlines Logo
7:00 am - 9:20 pm
ONT
-
PRG
29h 20m
2 stops
United Airlines Logo
1:25 pm - 10:35 pm
PRG
-
ONT
42h 10m
2 stops
$740United Airlines
Wed, May 6 - Mon, May 11
Delta Logo
10:59 pm - 10:50 am
ONT
-
PRG
26h 51m
2 stops
Delta Logo
11:00 am - 11:04 am
PRG
-
ONT
33h 04m
2 stops
$752Delta
Tue, Aug 18 - Fri, Sep 4
Delta Logo
5:05 pm - 9:45 pm
ONT
-
PRG
43h 40m
2 stops
Delta Logo
11:00 am - 9:48 pm
PRG
-
ONT
19h 48m
2 stops
$753Delta
Mon, May 4 - Thu, May 14
Delta Logo
1:00 pm - 10:50 am
ONT
-
PRG
60h 50m
2 stops
Delta Logo
11:00 am - 11:04 am
PRG
-
ONT
33h 04m
2 stops
$754Delta
Sat, Aug 22 - Fri, Sep 4

United Airlines flights from Ontario to Czech Republic

Our best United Airlines deals on Ontario to Czech Republic flight tickets
United Airlines
May 6
ONT7:00 amOntario
29h 20m
2 stops
PRG9:20 pmVáclav Havel Prague
May 13
PRG2:35 pmVáclav Havel Prague
17h 24m
2 stops
ONT10:59 pmOntario
$728
United Airlines
Aug 5
ONT6:30 amOntario
19h 20m
2 stops
PRG10:50 amVáclav Havel Prague
Aug 19
PRG2:35 pmVáclav Havel Prague
17h 23m
2 stops
ONT10:58 pmOntario
$729
United Airlines
May 6
ONT7:00 amOntario
29h 20m
2 stops
PRG9:20 pmVáclav Havel Prague
May 11
PRG1:25 pmVáclav Havel Prague
42h 10m
2 stops
ONT10:35 pmOntario
$740

British Airways flights from Ontario to Czech Republic

Our best British Airways deals on Ontario to Czech Republic flight tickets
British Airways
Apr 12
ONT12:19 pmOntario
25h 56m
2 stops
PRG11:15 pmVáclav Havel Prague
Apr 25
PRG8:35 pmVáclav Havel Prague
28h 47m
2 stops
ONT4:22 pmOntario
$1,121
British Airways
Apr 11
ONT4:52 pmOntario
42h 18m
2 stops
PRG8:10 pmVáclav Havel Prague
May 12
PRG5:10 pmVáclav Havel Prague
32h 12m
2 stops
ONT4:22 pmOntario
$1,179
British Airways
Apr 13
ONT10:59 amOntario
17h 16m
2 stops
PRG1:15 pmVáclav Havel Prague
Apr 24
PRG2:00 pmVáclav Havel Prague
16h 59m
2 stops
ONT9:59 pmOntario
$3,264

momondo 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, momondo users made 832,500 searches. Data last updated April 4, 2026.
Use the filters below to find and compare flights from Ontario to the Czech Republic that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/4

5:05 pm-9:45 pm

2 stops43h 40m

Václav Havel Prague

Tue 5/12

11:00 am-9:48 pm

2 stops19h 48m

$723

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/4

1:29 pm-9:45 pm

2 stops47h 16m

Václav Havel Prague

Mon 5/11

2:30 pm-6:36 pm

2 stops37h 06m

$726

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 5/2

10:15 pm-8:20 am

2 stops49h 05m

Václav Havel Prague

Wed 5/13

11:00 am-10:57 am

2 stops32h 57m

$727

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/6

7:00 am-9:20 pm

2 stops29h 20m

Václav Havel Prague

Wed 5/13

2:35 pm-10:59 pm

2 stops17h 24m

$728
Quickest round-trip

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 8/5

6:30 am-10:50 am

2 stops19h 20m

Václav Havel Prague

Wed 8/19

2:35 pm-10:58 pm

2 stops17h 23m

$729

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 5/2

10:15 pm-8:20 am

2 stops49h 05m

Václav Havel Prague

Mon 5/11

2:30 pm-5:10 pm

2 stops35h 40m

$731

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Wed 5/6

7:00 am-9:20 pm

2 stops29h 20m

Václav Havel Prague

Mon 5/11

1:25 pm-10:35 pm

2 stops42h 10m

$740

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Tue 8/18

10:59 pm-10:50 am

2 stops26h 51m

Václav Havel Prague

Fri 9/4

11:00 am-11:04 am

2 stops33h 04m

$752

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Mon 5/4

5:05 pm-9:45 pm

2 stops43h 40m

Václav Havel Prague

Thu 5/14

11:00 am-9:48 pm

2 stops19h 48m

$753

OntarioPrague

ONT - PRG

ONTPRG

Ontario

Sat 8/22

1:00 pm-10:50 am

2 stops60h 50m

Václav Havel Prague

Fri 9/4

11:00 am-11:04 am

2 stops33h 04m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the Czech Republic from

How to get the cheapest flight ticket from Ontario to Czech Republic

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Czech Republic?

United Airlines and Delta are the most popular carriers operating from Ontario to Czech Republic

What airlines fly to Czech Republic?

Scandinavian Airlines, Condor and Lufthansa are the top three most popular airlines that fly to Czech Republic from Ontario according to our data. Scandinavian Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Czech Republic. Keep in mind that there are 15 different airlines that fly to Czech Republic on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Czech Republic flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Czech Republic

Fastest flight time

16h 30m

Direct flights

None
The fastest flight from Ontario to Czech Republic takes 16h 30m
There are no direct flights from Ontario to Czech Republic. There are no popular flight routes from Ontario to Czech Republic.
Search flight deals

Frequently asked questions about flying from Ontario to the Czech Republic

  • When did momondo last update prices for flights from Ontario Airport to Czech Republic?

    Prices for flights from Ontario Airport to Czech Republic were last updated today.

  • How old do you have to be to fly from Ontario Airport to Czech Republic?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Czech Republic.

  • What documentation or ID do you need to fly to Czech Republic?

    The travel and health documents required for your trip to Czech Republic can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Czech Republic. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Czech Republic?

It is quick and easy to find Ontario to Czech Republic flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Czech Republic that suits you.

Can I find flights from Ontario to Czech Republic with flexible booking policies on momondo?

Flights from Ontario to Czech Republic with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Czech Republic?

momondo provides multiple filters to help you find the best flight to Czech Republic from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Czech Republic right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Czech Republic from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Czech Republic trip

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