$359 Find Cheap Flights from Ontario to Poland - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Poland departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Ontario to Poland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Poland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Poland

Sun, Aug 9 - Tue, Aug 25
KLM Logo
10:00 pm - 11:10 pm
ONT
-
WRO
40h 10m
2 stops
KLM Logo
2:00 pm - 10:42 am
WRO
-
ONT
53h 42m
2 stops
$693KLM
Sun, Aug 9 - Tue, Aug 25
KLM Logo
10:00 pm - 11:10 pm
ONT
-
WRO
40h 10m
2 stops
KLM Logo
2:00 pm - 10:42 am
WRO
-
ONT
53h 42m
2 stops
$695KLM
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
9:55 am - 1:15 pm
ONT
-
WRO
18h 20m
2 stops
Multiple Airlines Logo
6:30 am - 4:12 pm
WRO
-
ONT
18h 42m
2 stops
$709Multiple Airlines
Tue, Nov 3 - Sun, Nov 8
KLM Logo
9:55 am - 1:15 pm
ONT
-
WRO
18h 20m
2 stops
KLM Logo
6:30 am - 4:12 pm
WRO
-
ONT
18h 42m
2 stops
$712KLM
Sat, Aug 15 - Sun, Nov 1
United Airlines Logo
1:18 pm - 12:40 pm
ONT
-
KRK
38h 22m
2 stops
United Airlines Logo
6:10 am - 11:26 pm
KRK
-
ONT
25h 16m
2 stops
$714United Airlines
Wed, Aug 5 - Wed, Aug 19
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
9:40 am - 6:16 pm
WAW
-
ONT
17h 36m
2 stops
$720United Airlines
Fri, Aug 7 - Fri, Aug 21
United Airlines Logo
6:39 pm - 10:05 pm
ONT
-
WAW
18h 26m
2 stops
United Airlines Logo
2:15 pm - 10:59 pm
WAW
-
ONT
17h 44m
2 stops
$723United Airlines
Fri, Dec 11 - Fri, Dec 25
United Airlines Logo
6:00 am - 12:55 pm
ONT
-
WAW
21h 55m
2 stops
United Airlines Logo
1:35 pm - 5:47 pm
WAW
-
ONT
37h 12m
2 stops
$724United Airlines
Wed, Aug 19 - Fri, Sep 11
Delta Logo
5:05 pm - 11:10 pm
ONT
-
WRO
21h 05m
2 stops
Delta Logo
6:00 am - 10:04 pm
WRO
-
ONT
25h 04m
2 stops
$739Delta
Tue, Oct 13 - Tue, Oct 27
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
Booking Insights

KAYAK's insights & trends for Ontario to Poland flights

Get data-powered insights and trends into flights from Ontario to Poland to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Poland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Ontario to Poland were found on KLM ($693) and United Airlines ($714).

Good to know

Cheapest flight$359
Flight from Ontario to Krakow

FAQs - booking Poland flights

  • How does KAYAK find such low prices on flights from Ontario to Poland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Poland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Poland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Poland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Poland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Poland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Poland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Poland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Ontario to Poland

 
Need help choosing which airline to fly with from Ontario to Poland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9842 reviews
7.7Boarding
7.1Entertainment
8.1Crew
6.6Food
7.3Comfort
Airline reviews

I was promised by United Airline (operated by ANA) that I will be seated together with my kids as I am the only adult flying with two minors. We did not get seats together in our 11 hours flight from LA to Tokyo. When asked at the gate, ANA representative said United Airline should have informed them that there is a parent flying with two minors. He said they can’t do anything in the system as the flight is full. He ask me to ask passengers next to me and the kids if they are willing to change seats. This is ridiculous! However, I went in the flight and asked other passages but no one willing to change seats. 11 hours and we were seating separately. I was very disappointed with this. It made things super inconvenient for me.

2.0 MediocreAnonymous, Jun 2026
LAX - NRT
Read more United Airlines reviews

I was promised by United Airline (operated by ANA) that I will be seated together with my kids as I am the only adult flying with two minors. We did not get seats together in our 11 hours flight from LA to Tokyo. When asked at the gate, ANA representative said United Airline should have informed them that there is a parent flying with two minors. He said they can’t do anything in the system as the flight is full. He ask me to ask passengers next to me and the kids if they are willing to change seats. This is ridiculous! However, I went in the flight and asked other passages but no one willing to change seats. 11 hours and we were seating separately. I was very disappointed with this. It made things super inconvenient for me.

Service was professional and quick. Premium economy seat was comfortable given the class

It was perfect! United Airlines staff was extremely caring, super friendly and professional

The staff was extremely helpful and friendly at all times! They went above and beyond to get us into an earlier flight in San Diego to make our connection in SFO possible, because our original flight did actually not make it! I did so much appreciate the UA team and how they made this possible. We also didn’t have seats together on the long flight to Singapore, but they found us seats together last moment with no additional cost! Nobody sat next to us, so that we were able to sleep! Thanks to UA for improving their service and Underpricer for booking this trip! Please be careful: 1,5 hrs for transfer in San Francisco might not be enough time in the future

Over 2.5 hour maintenance delay on first morning flight with no acknowledgement, compensation or even gesture of good will. Aircraft had overnighted at airport so issue should have been addressed prior to boarding. Over 3.5 hours before first slow and deliberate beverage service.

United has maintenance issues and can then never recover. No operations ability and simple issues always turn into multiple hours long cascading delays. Worst airline on earth.

I paid for a confirmed upgraded aisle seat and was moved to a center seat in the back of the plane at the last minute.

Horrifying Almost 2 million miles. Bring your own food and drink. One coffee or drink every three hours. Have to order meals on app more than 24 hours ahead Tiny and dirty bathrooms

Flight was delayed but more than 90 minutes. This caused me to miss my available windows for pick-up by a friend. I had to pay $125 for an uber back home from the airport which was an added expense that I had not budgeted for my trip. Staff was friendly.

Seat pitch is horrible especially on the 15 hour flight. Gate crew at SFO was Outstanding. The flight crew was also great.

Everything you need to know for your flight from Ontario to Poland

Information on your arrival and departure airports