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Cheap flights from Ontario to Warsaw from $341

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 8/25. 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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0 bags

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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
4:59 pm - 6:45 pm
ONT
-
WAW
17h 46m
2 stops
British Airways Logo
8:50 am - 6:22 pm
WAW
-
ONT
18h 32m
2 stops
$712British Airways
Tue, Oct 27 - Tue, Nov 10
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
6:45 am - 6:11 pm
WAW
-
ONT
20h 26m
2 stops
$721United Airlines
Wed, Aug 5 - Wed, Aug 19
United Airlines Logo
1:00 pm - 12:55 pm
ONT
-
WAW
15h 55m
2 stops
United Airlines Logo
2:35 pm - 11:06 pm
WAW
-
ONT
17h 31m
2 stops
$727United Airlines
Sat, Oct 31 - Sat, Nov 14
United Airlines Logo
1:00 pm - 1:50 pm
ONT
-
WAW
16h 50m
2 stops
United Airlines Logo
9:20 am - 11:06 pm
WAW
-
ONT
22h 46m
2 stops
$736United Airlines
Fri, Oct 30 - Fri, Nov 13
British Airways Logo
4:59 pm - 8:45 pm
ONT
-
WAW
18h 46m
2 stops
British Airways Logo
8:50 am - 9:08 pm
WAW
-
ONT
20h 18m
2 stops
$742British Airways
Wed, Oct 21 - Wed, Oct 28
British Airways Logo
4:59 pm - 9:00 pm
ONT
-
WAW
19h 01m
2 stops
British Airways Logo
8:55 am - 6:57 pm
WAW
-
ONT
19h 02m
2 stops
$745British Airways
Thu, Sep 10 - Wed, Sep 30
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
2:15 pm - 10:58 pm
WAW
-
ONT
17h 43m
2 stops
$751United Airlines
Mon, Jul 20 - Wed, Aug 19
Multiple Airlines Logo
7:06 am - 8:30 pm
ONT
-
WAW
28h 24m
2 stops
Multiple Airlines Logo
9:15 pm - 9:12 pm
WAW
-
ONT
32h 57m
2 stops
$752Multiple Airlines
Sun, Aug 23 - Mon, Aug 31
United Airlines Logo
7:00 am - 12:35 pm
ONT
-
WAW
20h 35m
2 stops
United Airlines Logo
6:00 am - 6:19 pm
WAW
-
ONT
21h 19m
2 stops
$755United Airlines
Thu, Aug 20 - Wed, Sep 2
United Airlines Logo
1:18 pm - 12:35 pm
ONT
-
WAW
38h 17m
2 stops
United Airlines Logo
1:15 pm - 8:52 pm
WAW
-
ONT
40h 37m
2 stops
$763United Airlines
Sat, Aug 22 - Mon, Aug 31

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
Aug 5
ONT6:39 pmOntario
18h 26m
2 stops
WAW10:05 pmWarsaw Frederic Chopin
Aug 19
WAW6:45 amWarsaw Frederic Chopin
20h 26m
2 stops
ONT6:11 pmOntario
$721
United Airlines
May 6
ONT7:00 amOntario
20h 35m
2 stops
WAW12:35 pmWarsaw Frederic Chopin
May 10
WAW9:40 amWarsaw Frederic Chopin
22h 19m
2 stops
ONT10:59 pmOntario
$724
United Airlines
Oct 31
ONT1:00 pmOntario
15h 55m
2 stops
WAW12:55 pmWarsaw Frederic Chopin
Nov 14
WAW2:35 pmWarsaw Frederic Chopin
17h 31m
2 stops
ONT11:06 pmOntario
$727

Delta flights from Ontario to Warsaw Frederic Chopin Airport

Our best Delta deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
Delta
Aug 25
ONT11:55 amOntario
19h 30m
2 stops
WAW4:25 pmWarsaw Frederic Chopin
Aug 30
WAW12:25 pmWarsaw Frederic Chopin
38h 36m
2 stops
ONT6:01 pmOntario
$914
Delta
Aug 24
ONT11:55 amOntario
38h 45m
2 stops
WAW11:40 amWarsaw Frederic Chopin
Aug 30
WAW12:25 pmWarsaw Frederic Chopin
36h 49m
2 stops
ONT4:14 pmOntario
$915
Delta
Aug 23
ONT5:55 pmOntario
56h 45m
2 stops
WAW11:40 amWarsaw Frederic Chopin
Aug 30
WAW12:25 pmWarsaw Frederic Chopin
36h 49m
2 stops
ONT4:14 pmOntario
$921

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 May 4, 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

Tue 10/27

4:59 pm-6:45 pm

2 stops17h 46m

Warsaw Frederic Chopin

Tue 11/10

8:50 am-6:22 pm

2 stops18h 32m

$712

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 8/5

6:39 pm-10:05 pm

2 stops18h 26m

Warsaw Frederic Chopin

Wed 8/19

6:45 am-6:11 pm

2 stops20h 26m

$721
Quickest round-trip

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sat 10/31

1:00 pm-12:55 pm

2 stops15h 55m

Warsaw Frederic Chopin

Sat 11/14

2:35 pm-11:06 pm

2 stops17h 31m

$727

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Fri 10/30

1:00 pm-1:50 pm

2 stops16h 50m

Warsaw Frederic Chopin

Fri 11/13

9:20 am-11:06 pm

2 stops22h 46m

$736

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 10/21

4:59 pm-8:45 pm

2 stops18h 46m

Warsaw Frederic Chopin

Wed 10/28

8:50 am-9:08 pm

2 stops20h 18m

$742

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 9/10

4:59 pm-9:00 pm

2 stops19h 01m

Warsaw Frederic Chopin

Wed 9/30

8:55 am-6:57 pm

2 stops19h 02m

$745

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 7/20

6:39 pm-10:05 pm

2 stops18h 26m

Warsaw Frederic Chopin

Wed 8/19

2:15 pm-10:58 pm

2 stops17h 43m

$751

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 8/23

7:06 am-8:30 pm

2 stops28h 24m

Warsaw Frederic Chopin

Mon 8/31

9:15 pm-9:12 pm

2 stops32h 57m

$752

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 8/20

7:00 am-12:35 pm

2 stops20h 35m

Warsaw Frederic Chopin

Wed 9/2

6:00 am-6:19 pm

2 stops21h 19m

$755

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sat 8/22

1:18 pm-12:35 pm

2 stops38h 17m

Warsaw Frederic Chopin

Mon 8/31

1:15 pm-8:52 pm

2 stops40h 37m

$763

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 Friday when prices can be found for as low as $951. Flights from Ontario to Warsaw Frederic Chopin Airport on a Sunday will generally be more expensive and average around $1,151. 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 $974. 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

15h 55m

Direct flights

None
The fastest flight from Ontario to Warsaw Frederic Chopin Airport takes 15h 55m
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

Frequently asked questions about flying from Ontario to Warsaw Frederic Chopin Airport

  • 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 15h 55m.

  • 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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