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Cheap flights from Ontario to Warsaw from $400

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 12/24. 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.
British Airways Logo
4:45 pm - 9:30 pm
ONT
-
WAW
19h 45m2 stops
British Airways Logo
8:50 am - 10:48 pm
WAW
-
ONT
21h 58m2 stops
$474British Airways
Mon, Jan 12 - Tue, Mar 10
British Airways Logo
2:44 pm - 9:30 pm
ONT
-
WAW
21h 46m2 stops
British Airways Logo
1:00 pm - 5:45 pm
WAW
-
ONT
37h 45m2 stops
$475British Airways
Sun, Mar 1 - Wed, Apr 8
British Airways Logo
4:45 pm - 9:30 pm
ONT
-
WAW
19h 45m2 stops
British Airways Logo
8:55 am - 5:45 pm
WAW
-
ONT
17h 50m2 stops
$477British Airways
Sun, Jan 11 - Mon, Apr 27
British Airways Logo
5:02 pm - 7:05 pm
ONT
-
WAW
18h 03m2 stops
British Airways Logo
8:55 am - 5:45 pm
WAW
-
ONT
17h 50m2 stops
$478British Airways
Sat, Mar 14 - Tue, Apr 28
British Airways Logo
5:06 pm - 9:30 pm
ONT
-
WAW
19h 24m2 stops
British Airways Logo
7:20 am - 10:49 pm
WAW
-
ONT
24h 29m2 stops
$486British Airways
Wed, Feb 25 - Wed, Mar 4
British Airways Logo
4:45 pm - 9:30 pm
ONT
-
WAW
19h 45m2 stops
British Airways Logo
6:55 am - 10:49 pm
WAW
-
ONT
24h 54m2 stops
$489British Airways
Sun, Feb 8 - Sun, Feb 15
British Airways Logo
5:02 pm - 9:40 pm
ONT
-
WAW
20h 38m2 stops
British Airways Logo
11:45 am - 10:07 pm
WAW
-
ONT
19h 22m2 stops
$492British Airways
Thu, Mar 26 - Sun, Apr 5
Delta Logo
12:41 pm - 4:30 pm
ONT
-
WAW
18h 49m2 stops
Delta Logo
12:25 pm - 11:44 pm
WAW
-
ONT
20h 19m2 stops
$498Delta
Tue, Jan 13 - Wed, Apr 29
United Airlines Logo
10:42 am - 10:30 pm
ONT
-
WAW
26h 48m2 stops
United Airlines Logo
9:30 am - 10:53 pm
WAW
-
ONT
22h 23m2 stops
$499United Airlines
Sun, Dec 28 - Thu, Jan 15
United Airlines Logo
1:45 pm - 4:30 pm
ONT
-
WAW
17h 45m2 stops
United Airlines Logo
2:15 pm - 11:06 pm
WAW
-
ONT
17h 51m2 stops
$500United Airlines
Sun, Mar 1 - Tue, Mar 31

British Airways flights from Ontario to Warsaw Frederic Chopin Airport

Our best British Airways deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
British Airways
Jan 12
ONT4:45 pmOntario
19h 45m
2 stops
WAW9:30 pmWarsaw Frederic Chopin
Mar 10
WAW8:50 amWarsaw Frederic Chopin
21h 58m
2 stops
ONT10:48 pmOntario
$474
Find similar
British Airways
Mar 1
ONT2:44 pmOntario
21h 46m
2 stops
WAW9:30 pmWarsaw Frederic Chopin
Apr 8
WAW1:00 pmWarsaw Frederic Chopin
37h 45m
2 stops
ONT5:45 pmOntario
$475
Find similar
British Airways
Jan 11
ONT4:45 pmOntario
19h 45m
2 stops
WAW9:30 pmWarsaw Frederic Chopin
Apr 27
WAW8:55 amWarsaw Frederic Chopin
17h 50m
2 stops
ONT5:45 pmOntario
$477
Find similar

Delta flights from Ontario to Warsaw Frederic Chopin Airport

Our best Delta deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
Delta
Jan 13
ONT12:41 pmOntario
18h 49m
2 stops
WAW4:30 pmWarsaw Frederic Chopin
Apr 29
WAW12:25 pmWarsaw Frederic Chopin
20h 19m
2 stops
ONT11:44 pmOntario
$498
Find similar
Delta
Mar 12
ONT1:20 pmOntario
18h 45m
2 stops
WAW4:05 pmWarsaw Frederic Chopin
Mar 30
WAW6:00 amWarsaw Frederic Chopin
19h 29m
2 stops
ONT4:29 pmOntario
$511
Find similar
Delta
Dec 25
ONT11:15 amOntario
19h 50m
2 stops
WAW4:05 pmWarsaw Frederic Chopin
Dec 28
WAW6:05 amWarsaw Frederic Chopin
26h 49m
2 stops
ONT11:54 pmOntario
$1,248
Find similar

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 December 15, 2025.
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

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 1/12

4:45 pm-9:30 pm

2 stops19h 45m

Warsaw Frederic Chopin

Tue 3/10

8:50 am-10:48 pm

2 stops21h 58m

$474

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 3/1

2:44 pm-9:30 pm

2 stops21h 46m

Warsaw Frederic Chopin

Wed 4/8

1:00 pm-5:45 pm

2 stops37h 45m

$475

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 1/11

4:45 pm-9:30 pm

2 stops19h 45m

Warsaw Frederic Chopin

Mon 4/27

8:55 am-5:45 pm

2 stops17h 50m

$477

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sat 3/14

5:02 pm-7:05 pm

2 stops18h 03m

Warsaw Frederic Chopin

Tue 4/28

8:55 am-5:45 pm

2 stops17h 50m

$478

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 2/25

5:06 pm-9:30 pm

2 stops19h 24m

Warsaw Frederic Chopin

Wed 3/4

7:20 am-10:49 pm

2 stops24h 29m

$486

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 2/8

4:45 pm-9:30 pm

2 stops19h 45m

Warsaw Frederic Chopin

Sun 2/15

6:55 am-10:49 pm

2 stops24h 54m

$489

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 3/26

5:02 pm-9:40 pm

2 stops20h 38m

Warsaw Frederic Chopin

Sun 4/5

11:45 am-10:07 pm

2 stops19h 22m

$492

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Tue 1/13

12:41 pm-4:30 pm

2 stops18h 49m

Warsaw Frederic Chopin

Wed 4/29

12:25 pm-11:44 pm

2 stops20h 19m

$498

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 12/28

10:42 am-10:30 pm

2 stops26h 48m

Warsaw Frederic Chopin

Thu 1/15

9:30 am-10:53 pm

2 stops22h 23m

$499

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 3/1

1:45 pm-4:30 pm

2 stops17h 45m

Warsaw Frederic Chopin

Tue 3/31

2:15 pm-11:06 pm

2 stops17h 51m

$500

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 $961. Flights from Ontario to Warsaw Frederic Chopin Airport on a Sunday will generally be more expensive and average around $1,154. 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 morning when flights can be purchased for as low as $686. Flights in the evening are often more expensive with an average ticket price of $1,095.

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

16h 39m

Direct flights

None
The fastest flight from Ontario to Warsaw Frederic Chopin Airport takes 16h 39m
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.
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  • 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 16h 39m.

  • 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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