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$386+ Cheap flights from Ontario (ONT) to Poland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — WAW
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Poland

Keep the following information in mind while searching for Ontario to Poland flight deals. Data was last updated July 3, 2025.

Round-trip from

$520
(United Airlines)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$928
From Ontario to Poland
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One-way flight from Ontario to Poland
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Highest demand for flights based on searches. 21% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Poland

Cheapest flights from Ontario to Poland
Explore the most affordable flight options available from Ontario to Poland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:40 amONT - WAW
2 stops17h 10mUnited Airlines
Mon 1/126:30 amWAW - ONT
2 stops22h 47mUnited Airlines
Deal found 7/2$520
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:45 amONT - KRK
2 stops19h 40mDelta
Sun 8/2412:00 pmKRK - ONT
2 stops19h 20mDelta
Deal found 7/3$555
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:15 pmONT - WAW
2 stops18h 10mDelta
Tue 8/196:05 amWAW - ONT
2 stops25h 15mDelta
Deal found 7/3$563
This British Airways deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:01 pmONT - WAW
2 stops16h 44mBritish Airways
Mon 11/1712:55 pmWAW - ONT
2 stops19h 50mBritish Airways
Deal found 7/3$596
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:36 amONT - KRK
2 stops18h 04mUnited Airlines
Mon 10/209:35 amKRK - ONT
2 stops17h 05mUnited Airlines
Deal found 7/2$632
This United deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:05 amONT - POZ
2 stops22h 40mMultiple Airlines
Wed 12/176:15 amPOZ - ONT
2 stops20h 31mMultiple Airlines
Deal found 7/1$707
This Lufthansa deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:05 amONT - WAW
2 stops22h 25mMultiple Airlines
Thu 8/216:25 amWAW - ONT
2 stops20h 12mMultiple Airlines
Deal found 7/2$726
This Air France deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:15 pmONT - WRO
2 stops15h 15mKLM
Tue 8/266:05 amWRO - ONT
2 stops19h 03mKLM
Deal found 7/3$816
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:46 pmONT - KRK
2 stops20h 44mAmerican Airlines
Sun 10/268:55 amKRK - ONT
3 stops32h 01mAmerican Airlines
Deal found 7/1$832
This oojo deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:56 pmONT - WAW
1 stop24h 19mLOT
Wed 9/2412:25 pmWAW - ONT
1 stop18h 04mLOT
Deal found 7/2$874
This LOT deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:56 pmONT - WRO
2 stops27h 34mMultiple Airlines
Wed 9/175:35 amWRO - ONT
2 stops24h 54mMultiple Airlines
Deal found 7/3$966
This KLM deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:15 pmONT - POZ
2 stops15h 30mKLM
Sun 8/312:15 pmPOZ - ONT
2 stops17h 25mKLM
Deal found 7/2$1,430

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Poland 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Ontario to Poland that are best for you.

Fly from

Ontario

Fly to

Poland

Route

Depart

Return

Price

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 12/29

10:40 am-12:50 pm

2 stops17h 10m

Warsaw Frederic Chopin

Mon 1/12

6:30 am-8:17 pm

2 stops22h 47m

$520

OntarioKrakow

ONT - KRK

ONTKRK

Ontario

Sun 8/17

11:45 am-4:25 pm

2 stops19h 40m

Krakow J. Paul II Balice

Sun 8/24

12:00 pm-10:20 pm

2 stops19h 20m

$555

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 7/24

1:15 pm-4:25 pm

2 stops18h 10m

Warsaw Frederic Chopin

Tue 8/19

6:05 am-10:20 pm

2 stops25h 15m

$563

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Mon 11/3

5:01 pm-6:45 pm

2 stops16h 44m

Warsaw Frederic Chopin

Mon 11/17

12:55 pm-11:45 pm

2 stops19h 50m

$596

OntarioKrakow

ONT - KRK

ONTKRK

Ontario

Wed 10/8

9:36 am-12:40 pm

2 stops18h 04m

Krakow J. Paul II Balice

Mon 10/20

9:35 am-5:40 pm

2 stops17h 05m

$632

OntarioPoznan

ONT - POZ

ONTPOZ

Ontario

Mon 8/18

5:05 am-12:45 pm

2 stops22h 40m

Poznan Lawica

Wed 12/17

6:15 am-5:46 pm

2 stops20h 31m

$707

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Thu 8/14

5:05 am-12:30 pm

2 stops22h 25m

Warsaw Frederic Chopin

Thu 8/21

6:25 am-5:37 pm

2 stops20h 12m

$726

OntarioWroclaw

ONT - WRO

ONTWRO

Ontario

Tue 8/19

1:15 pm-1:30 pm

2 stops15h 15m

Wroclaw Strachowice

Tue 8/26

6:05 am-4:08 pm

2 stops19h 03m

$816

OntarioKrakow

ONT - KRK

ONTKRK

Ontario

Thu 10/23

2:46 pm-8:30 pm

2 stops20h 44m

Krakow J. Paul II Balice

Sun 10/26

8:55 am-8:56 am

3 stops32h 01m

$832

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 9/10

10:56 pm-8:15 am

1 stop24h 19m

Warsaw Frederic Chopin

Wed 9/24

12:25 pm-9:29 pm

1 stop18h 04m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 28 results
1
2
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Best time to book a flight from Ontario to Poland

Have a flexible travel schedule? Discover the best time to fly to Poland from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ontario to Poland?

Currently, January is the cheapest month in which you can book a flight from Ontario to Poland (average of $576). Flying from Ontario to Poland in June is currently the most expensive (average of $1,029). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to PL?

Find hourly flight availability from Ontario to Poland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Poland as you normally would.

Reviews of airlines servicing Poland

Get insights into the airlines that provide service to Poland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Poland. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and LOT from Ontario to Poland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,092 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Poland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Poland?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Poland. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Poland one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $405. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Ontario to Poland for a low price.

  • What are the most popular routes from Ontario to Poland?

    While some choose either Ontario - Krakow J. Paul II Balice or Ontario - Poznan Lawica, Ontario - Warsaw Frederic Chopin is the most popular route from Ontario to Poland.

  • Can I find deals for flights from Ontario to Poland that include hotel bookings?

    Yes. In addition to deals on Ontario to Poland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Poland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Poland.

  • Can I find deals for business class flights from Ontario to Poland?

    Yes. Cheapflights offers flight deals from Ontario to Poland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Poland?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Poland (average of $576). Flying from Ontario to Poland in June is currently the most expensive (average of $1,029). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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