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Cheap flights from Ontario to Warsaw from $290

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 Warsaw departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:53 am - 6:25 pm
ONT
-
WAW
21h 32m
2 stops
Delta Logo
12:25 pm - 11:44 pm
WAW
-
ONT
20h 19m
2 stops
$618Delta
Wed, Apr 15 - Wed, Apr 29
United Airlines Logo
1:27 pm - 4:20 pm
ONT
-
WAW
41h 53m
2 stops
United Airlines Logo
2:15 pm - 5:52 pm
WAW
-
ONT
36h 37m
2 stops
$619United Airlines
Mon, Apr 13 - Wed, Apr 29
United Airlines Logo
7:00 am - 5:15 pm
ONT
-
WAW
25h 15m
2 stops
United Airlines Logo
9:40 am - 5:52 pm
WAW
-
ONT
41h 12m
2 stops
$620United Airlines
Sun, Apr 19 - Wed, Apr 29
United Airlines Logo
1:27 pm - 4:20 pm
ONT
-
WAW
41h 53m
2 stops
United Airlines Logo
6:50 am - 10:31 pm
WAW
-
ONT
24h 41m
2 stops
$621United Airlines
Mon, Apr 13 - Tue, Apr 28
United Airlines Logo
6:05 am - 10:05 pm
ONT
-
WAW
31h 00m
2 stops
United Airlines Logo
6:40 am - 10:31 pm
WAW
-
ONT
24h 51m
2 stops
$622United Airlines
Thu, Apr 2 - Thu, Apr 9
United Airlines Logo
7:00 am - 5:15 pm
ONT
-
WAW
25h 15m
2 stops
United Airlines Logo
6:40 am - 10:59 pm
WAW
-
ONT
25h 19m
2 stops
$623United Airlines
Sun, Apr 19 - Sun, May 3
Delta Logo
11:53 am - 6:55 pm
ONT
-
WAW
22h 02m
2 stops
Delta Logo
12:25 pm - 10:37 pm
WAW
-
ONT
43h 12m
2 stops
$625Delta
Thu, Apr 16 - Thu, Apr 30
KLM Logo
1:29 pm - 6:55 pm
ONT
-
WAW
20h 26m
2 stops
KLM Logo
12:25 pm - 11:44 pm
WAW
-
ONT
20h 19m
2 stops
$626KLM
Fri, Apr 17 - Wed, Apr 29
United Airlines Logo
1:27 pm - 4:20 pm
ONT
-
WAW
41h 53m
2 stops
United Airlines Logo
2:15 pm - 6:02 pm
WAW
-
ONT
36h 47m
2 stops
$628United Airlines
Mon, Apr 13 - Mon, Apr 27
United Airlines Logo
1:27 pm - 4:20 pm
ONT
-
WAW
41h 53m
2 stops
United Airlines Logo
6:50 am - 10:35 pm
WAW
-
ONT
24h 45m
2 stops
$629United Airlines
Fri, Apr 17 - Thu, Apr 30

Delta flights from Ontario to Warsaw Frederic Chopin Airport

Our best Delta deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
Delta
Apr 15
ONT11:53 amOntario
21h 32m
2 stops
WAW6:25 pmWarsaw Frederic Chopin
Apr 29
WAW12:25 pmWarsaw Frederic Chopin
20h 19m
2 stops
ONT11:44 pmOntario
$618
Delta
Apr 16
ONT11:53 amOntario
22h 02m
2 stops
WAW6:55 pmWarsaw Frederic Chopin
Apr 30
WAW12:25 pmWarsaw Frederic Chopin
43h 12m
2 stops
ONT10:37 pmOntario
$625
Delta
Apr 2
ONT6:00 amOntario
25h 25m
2 stops
WAW4:25 pmWarsaw Frederic Chopin
Apr 9
WAW6:00 amWarsaw Frederic Chopin
24h 00m
2 stops
ONT9:00 pmOntario
$675

United Airlines flights from Ontario to Warsaw Frederic Chopin Airport

Our best United Airlines deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
United Airlines
Apr 13
ONT1:27 pmOntario
41h 53m
2 stops
WAW4:20 pmWarsaw Frederic Chopin
Apr 29
WAW2:15 pmWarsaw Frederic Chopin
36h 37m
2 stops
ONT5:52 pmOntario
$619
United Airlines
Apr 19
ONT7:00 amOntario
25h 15m
2 stops
WAW5:15 pmWarsaw Frederic Chopin
Apr 29
WAW9:40 amWarsaw Frederic Chopin
41h 12m
2 stops
ONT5:52 pmOntario
$620
United Airlines
Apr 13
ONT1:27 pmOntario
41h 53m
2 stops
WAW4:20 pmWarsaw Frederic Chopin
Apr 28
WAW6:50 amWarsaw Frederic Chopin
24h 41m
2 stops
ONT10:31 pmOntario
$621

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Warsaw Frederic Chopin Airport 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 March 18, 2026.
Use the filters below to find and compare flights from Ontario to Warsaw Frederic Chopin Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 4/15

11:53 am-6:25 pm

2 stops21h 32m

Warsaw Frederic Chopin

Wed 4/29

12:25 pm-11:44 pm

2 stops20h 19m

$618

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 4/13

1:27 pm-4:20 pm

2 stops41h 53m

Warsaw Frederic Chopin

Wed 4/29

2:15 pm-5:52 pm

2 stops36h 37m

$619

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 4/19

7:00 am-5:15 pm

2 stops25h 15m

Warsaw Frederic Chopin

Wed 4/29

9:40 am-5:52 pm

2 stops41h 12m

$620

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 4/13

1:27 pm-4:20 pm

2 stops41h 53m

Warsaw Frederic Chopin

Tue 4/28

6:50 am-10:31 pm

2 stops24h 41m

$621

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 4/2

6:05 am-10:05 pm

2 stops31h 00m

Warsaw Frederic Chopin

Thu 4/9

6:40 am-10:31 pm

2 stops24h 51m

$622

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 4/19

7:00 am-5:15 pm

2 stops25h 15m

Warsaw Frederic Chopin

Sun 5/3

6:40 am-10:59 pm

2 stops25h 19m

$623

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 4/16

11:53 am-6:55 pm

2 stops22h 02m

Warsaw Frederic Chopin

Thu 4/30

12:25 pm-10:37 pm

2 stops43h 12m

$625
Quickest round-trip

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Fri 4/17

1:29 pm-6:55 pm

2 stops20h 26m

Warsaw Frederic Chopin

Wed 4/29

12:25 pm-11:44 pm

2 stops20h 19m

$626

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 4/13

1:27 pm-4:20 pm

2 stops41h 53m

Warsaw Frederic Chopin

Mon 4/27

2:15 pm-6:02 pm

2 stops36h 47m

$628

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Fri 4/17

1:27 pm-4:20 pm

2 stops41h 53m

Warsaw Frederic Chopin

Thu 4/30

6:50 am-10:35 pm

2 stops24h 45m

$629

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 Warsaw from

How to get the cheapest flight ticket from Ontario to Warsaw Frederic Chopin Airport

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 day to depart on your flight to Warsaw Frederic Chopin Airport?

The cheapest day to depart from Ontario to Warsaw Frederic Chopin Airport is on a Wednesday when prices can be found for as low as $940. Flights from Ontario to Warsaw Frederic Chopin Airport on a Tuesday will generally be more expensive and average around $1,150. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Warsaw Frederic Chopin Airport?

The cheapest time of day to fly to Warsaw Frederic Chopin Airport is in the afternoon when flights can be purchased for as low as $990. Flights in the evening are often more expensive with an average ticket price of $1,092.

When to book flights from Ontario to Warsaw Frederic Chopin Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Warsaw Frederic Chopin Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Warsaw Frederic Chopin Airport (ONT to WAW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Warsaw Frederic Chopin Airport

Fastest flight time

18h 26m

Direct flights

None
The fastest flight from Ontario to Warsaw Frederic Chopin Airport takes 18h 26m
There are no direct flights from Ontario to Warsaw Frederic Chopin Airport. There are no popular flight routes from Ontario to Warsaw Frederic Chopin Airport.
Search flight deals

  • How far is Ontario to Warsaw Frederic Chopin by plane?

    There are 5972.2 mi between Ontario and Warsaw Frederic Chopin. By plane, this route typically takes 18h 26m.

  • When did momondo last update prices for flights from Ontario Airport to Warsaw Frederic Chopin Airport?

    Prices for flights from Ontario Airport to Warsaw Frederic Chopin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Warsaw Frederic Chopin Airport?

    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 Warsaw Frederic Chopin Airport.

  • What documentation or ID do you need to fly to Warsaw Frederic Chopin Airport?

    The required travel and health documents for your Warsaw Frederic Chopin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Warsaw Frederic Chopin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Warsaw?

Book flights to Warsaw if you plan to visit one of these locations
Kielce
Kazimierz Dolny

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Warsaw from Ontario.

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

Yes. momondo enables you to select and highlight flights to Warsaw from Ontario with this policy.

How can momondo help me find flights from Ontario to Warsaw?

Once all potential Ontario to Warsaw flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Warsaw flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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