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Cheap flights from Ontario to Warsaw from $512

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 8/10. 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

Find the cheapest flights from Ontario to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:15 am - 12:35 pm
ONT
-
WAW
18h 20m
2 stops
United Airlines Logo
9:40 am - 8:01 pm
WAW
-
ONT
19h 21m
2 stops
$720United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
9:40 am - 8:53 pm
WAW
-
ONT
20h 13m
2 stops
$723United Airlines
Fri, Aug 7 - Fri, Aug 21
United Airlines Logo
4:03 pm - 5:40 pm
ONT
-
WAW
16h 37m
2 stops
United Airlines Logo
9:20 am - 9:21 pm
WAW
-
ONT
21h 01m
2 stops
$735United Airlines
Thu, Nov 19 - Thu, Dec 3
United Airlines Logo
1:18 pm - 6:25 pm
ONT
-
WAW
20h 07m
2 stops
United Airlines Logo
6:35 am - 8:01 pm
WAW
-
ONT
22h 26m
3 stops
$737United Airlines
Sat, Aug 8 - Sat, Aug 22
United Airlines Logo
1:18 pm - 6:25 pm
ONT
-
WAW
20h 07m
2 stops
United Airlines Logo
6:35 am - 8:01 pm
WAW
-
ONT
22h 26m
3 stops
$738United Airlines
Sat, Aug 8 - Sat, Aug 22
British Airways Logo
4:59 pm - 9:10 pm
ONT
-
WAW
19h 11m
2 stops
British Airways Logo
8:50 am - 6:57 pm
WAW
-
ONT
18h 07m
2 stops
$741British Airways
Tue, Oct 13 - Tue, Oct 27
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
6:45 am - 6:16 pm
WAW
-
ONT
20h 31m
2 stops
$750United Airlines
Sun, Jul 26 - Wed, Aug 26
United Airlines Logo
6:53 pm - 10:30 pm
ONT
-
WAW
18h 37m
2 stops
United Airlines Logo
6:30 am - 8:20 pm
WAW
-
ONT
22h 50m
2 stops
$751United Airlines
Tue, Nov 17 - Tue, Dec 1
Delta Logo
12:00 pm - 4:10 pm
ONT
-
WAW
19h 10m
2 stops
Delta Logo
6:05 am - 10:43 pm
WAW
-
ONT
25h 38m
2 stops
$753Delta
Wed, Nov 18 - Tue, Dec 1
United Airlines Logo
9:01 am - 1:35 pm
ONT
-
WAW
19h 34m
2 stops
United Airlines Logo
6:50 am - 8:01 pm
WAW
-
ONT
22h 11m
2 stops
$765United Airlines
Wed, Sep 2 - Tue, Sep 8

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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 11
ONT9:15 amOntario
18h 20m
2 stops
WAW12:35 pmWarsaw Frederic Chopin
Aug 19
WAW9:40 amWarsaw Frederic Chopin
19h 21m
2 stops
ONT8:01 pmOntario
$720
United Airlines
Aug 7
ONT6:39 pmOntario
18h 26m
2 stops
WAW10:05 pmWarsaw Frederic Chopin
Aug 21
WAW9:40 amWarsaw Frederic Chopin
20h 13m
2 stops
ONT8:53 pmOntario
$723
United Airlines
Nov 19
ONT4:03 pmOntario
16h 37m
2 stops
WAW5:40 pmWarsaw Frederic Chopin
Dec 3
WAW9:20 amWarsaw Frederic Chopin
21h 01m
2 stops
ONT9:21 pmOntario
$735

Turkish Airlines flights from Ontario to Warsaw Frederic Chopin Airport

Our best Turkish Airlines deals on Ontario to Warsaw Frederic Chopin Airport flight tickets
Turkish Airlines
Jul 1
ONT11:58 pmOntario
33h 17m
2 stops
WAW6:15 pmWarsaw Frederic Chopin
Jul 15
WAW7:20 pmWarsaw Frederic Chopin
36h 24m
2 stops
ONT10:44 pmOntario
$2,213
Turkish Airlines
Jul 1
ONT11:58 pmOntario
33h 17m
2 stops
WAW6:15 pmWarsaw Frederic Chopin
Jul 29
WAW7:20 pmWarsaw Frederic Chopin
36h 24m
2 stops
ONT10:44 pmOntario
$2,428

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 June 19, 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 8/11

9:15 am-12:35 pm

2 stops18h 20m

Warsaw Frederic Chopin

Wed 8/19

9:40 am-8:01 pm

2 stops19h 21m

$720

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Fri 8/7

6:39 pm-10:05 pm

2 stops18h 26m

Warsaw Frederic Chopin

Fri 8/21

9:40 am-8:53 pm

2 stops20h 13m

$723

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 11/19

4:03 pm-5:40 pm

2 stops16h 37m

Warsaw Frederic Chopin

Thu 12/3

9:20 am-9:21 pm

2 stops21h 01m

$735

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sat 8/8

1:18 pm-6:25 pm

2 stops20h 07m

Warsaw Frederic Chopin

Sat 8/22

6:35 am-8:01 pm

3 stops22h 26m

$737

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sat 8/8

1:18 pm-6:25 pm

2 stops20h 07m

Warsaw Frederic Chopin

Sat 8/22

6:35 am-8:01 pm

3 stops22h 26m

$738
Quickest round-trip

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Tue 10/13

4:59 pm-9:10 pm

2 stops19h 11m

Warsaw Frederic Chopin

Tue 10/27

8:50 am-6:57 pm

2 stops18h 07m

$741

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Sun 7/26

6:39 pm-10:05 pm

2 stops18h 26m

Warsaw Frederic Chopin

Wed 8/26

6:45 am-6:16 pm

2 stops20h 31m

$750

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Tue 11/17

6:53 pm-10:30 pm

2 stops18h 37m

Warsaw Frederic Chopin

Tue 12/1

6:30 am-8:20 pm

2 stops22h 50m

$751

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 11/18

12:00 pm-4:10 pm

2 stops19h 10m

Warsaw Frederic Chopin

Tue 12/1

6:05 am-10:43 pm

2 stops25h 38m

$753

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 9/2

9:01 am-1:35 pm

2 stops19h 34m

Warsaw Frederic Chopin

Tue 9/8

6:50 am-8:01 pm

2 stops22h 11m

$765

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 $899. Flights from Ontario to Warsaw Frederic Chopin Airport on a Sunday will generally be more expensive and average around $1,142. 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 $973. Flights in the evening are often more expensive with an average ticket price of $1,073.

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 37m

Direct flights

None
The fastest flight from Ontario to Warsaw Frederic Chopin Airport takes 16h 37m
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 16h 37m.

  • 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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