$339 Find Cheap Flights from Ontario to Poland - Compare and Save

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Book Cheap Ontario to Poland Plane Tickets

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Poland

Mon, Mar 1 - Wed, Mar 10
British Airways Logo
4:59 pm - 6:45 pmONT  Ontario-WAW Warsaw Frederic Chopin
16h 46m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
8:50 am - 6:52 pmWAW  Warsaw Frederic Chopin-ONT Ontario
19h 02m2 stops Helsinki-Vantaa Dallas/Fort Worth
$675British Airways
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
7:00 am - 6:35 pmONT  Ontario-WAW Warsaw Frederic Chopin
26h 35m2 stops Dallas/Fort Worth Helsinki-Vantaa
Multiple Airlines Logo
7:20 pm - 6:42 pmWAW  Warsaw Frederic Chopin-ONT Ontario
32h 22m2 stops Helsinki-Vantaa Dallas/Fort Worth
$681Multiple Airlines
Wed, Nov 11 - Wed, Mar 17
British Airways Logo
4:51 pm - 6:50 pmONT  Ontario-WAW Warsaw Frederic Chopin
16h 59m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
8:50 am - 9:28 pmWAW  Warsaw Frederic Chopin-ONT Ontario
20h 38m2 stops Helsinki-Vantaa Dallas/Fort Worth
$690British Airways
Thu, Jan 7 - Thu, Jan 21
British Airways Logo
2:17 pm - 5:25 pmONT  Ontario-WAW Warsaw Frederic Chopin
18h 08m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:50 am - 6:53 pmWAW  Warsaw Frederic Chopin-ONT Ontario
19h 03m2 stops Helsinki-Vantaa Dallas/Fort Worth
$699British Airways
Mon, Mar 8 - Mon, Mar 22
British Airways Logo
5:02 pm - 6:45 pmONT  Ontario-WAW Warsaw Frederic Chopin
16h 43m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
8:50 am - 9:28 pmWAW  Warsaw Frederic Chopin-ONT Ontario
20h 38m2 stops Helsinki-Vantaa Dallas/Fort Worth
$699British Airways
Tue, Nov 3 - Fri, Dec 4
United Airlines Logo
9:25 am - 12:30 pmONT  Ontario-WRO Wrocław Strachowice
18h 05m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
10:50 am - 8:29 pmWRO  Wrocław Strachowice-ONT Ontario
18h 39m2 stops Frankfurt am Main San Francisco
$707United Airlines
Wed, Jan 27 - Wed, Feb 10
United Airlines Logo
6:00 am - 12:50 pmONT  Ontario-KRK Krakow J. Paul II Balice
21h 50m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
10:10 am - 8:26 pmKRK  Krakow J. Paul II Balice-ONT Ontario
19h 16m2 stops Frankfurt am Main San Francisco
$716United Airlines
Wed, Jan 27 - Tue, Feb 9
United Airlines Logo
6:00 am - 12:50 pmONT  Ontario-KRK Krakow J. Paul II Balice
21h 50m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
10:10 am - 8:26 pmKRK  Krakow J. Paul II Balice-ONT Ontario
19h 16m2 stops Frankfurt am Main San Francisco
$716United Airlines
Wed, Jan 27 - Tue, Feb 2
United Airlines Logo
6:00 am - 12:50 pmONT  Ontario-KRK Krakow J. Paul II Balice
21h 50m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
10:10 am - 8:26 pmKRK  Krakow J. Paul II Balice-ONT Ontario
19h 16m2 stops Frankfurt am Main San Francisco
$716United Airlines
Wed, Jan 6 - Wed, Jan 20
British Airways Logo
2:17 pm - 6:50 pmONT  Ontario-WAW Warsaw Frederic Chopin
19h 33m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:50 am - 6:53 pmWAW  Warsaw Frederic Chopin-ONT Ontario
19h 03m2 stops Helsinki-Vantaa Dallas/Fort Worth
$716British 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?

In the past 5 days, the cheapest round-trip tickets from Ontario to Poland were found on British Airways ($675) and United Airlines ($707).

Find deals

Good to know

Cheapest flight

$339
Flight from Ontario to Warsaw

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 10188 reviews
7.7Boarding
7.1Entertainment
8.1Crew
6.6Food
7.3Comfort
Airline reviews

Return Premium Economy section to the smaller section with comfortable seats. Add internet, upgrade the meals, and upgrade/update the Movies and Music onboard.

4.0 OkaySteven, Sep 2026
Read more United Airlines reviews

Return Premium Economy section to the smaller section with comfortable seats. Add internet, upgrade the meals, and upgrade/update the Movies and Music onboard.

We paid extra to check our bags ($90*2=$180) but our luggage remained in Frankfurt. VERY DISAPPOINTED as we were promised that our luggage would go to our destination. We had to pay 90€ to take a taxi back to the airport in Split the next day to get our bags so we would not miss our next step on our trip. We think we should be reimbursed for our checked bags. How can we coordinate this?

Boarding, time to take off, in flight offerings, and staff were all great. I recommend using UA for this short flight.

This was an auto-rebook due to being delayed from an earlier UA connecting flight. The boarding was fine, but they sat me in a middle seat when my original booking was a window seat. Overall, the flight was fine as it still got me to my final destination.

The flight out of Fresno boarded 1.5 hour past scheduled and made me miss my connecting flight from SFO to SEA.

I missed the flight due to maintenance issues. This is the second flight I’ve missed in four days because United allows such little time between layovers. Very disappointing

My return flight to Honolulu (UA 1170) was on a 777-200. I’d forgotten the weird seating arrangement in first-class (2-2-2); I was in 1B, so I faced the passenger in 1C. Unfortunately, there was a problem with the flight computer, so we left LA an hour late (6:05pm). The meal I chose was Korean BBQ Glazed short rib. It was served with a nice salad and fried rice. This meal was better than breakfast on the outgoing leg. All in all, a decent flying experience. Ratings: 777: 3.75, food: 3.5, service: 5 (out of 5).

Sitting in coach even in the larger leg space is extremely uncomfortable and the staff pay no attention.

The back to back mechanical delays from Denver to San Diego and then on my return flight from Denver to Great Falls it added extra time both ways

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

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