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$564+ Cheap flights from Ontario (ONT) to Istanbul (IST)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Ontario to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,114
(oojo)

One-way from

$564
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,095
Provider with most accurate pricing for Ontario-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Ontario-Istanbul flights.
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From Ontario to Istanbul
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One-way flight from Ontario to Istanbul
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Highest demand for flights based on searches. 17% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ontario to Istanbul

Cheapest flights from Ontario to Istanbul
Explore the most affordable flight options available from Ontario to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/26. 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.
lun. 10/276:42 pmONT - IST
2 stops42h 03mUnited Airlines
mié. 11/196:30 amIST - ONT
2 stops27h 05mUnited Airlines
Deal found 4/26$781
This British Airways deal was found by Cheapflights users on 4/27. 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.
mié. 10/83:00 pmONT - IST
2 stops23h 25mBritish Airways
mié. 10/228:25 amIST - ONT
2 stops23h 15mBritish Airways
Deal found 4/27$979
This Delta deal was found by Cheapflights users on 4/27. 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.
mar. 6/310:01 amONT - IST
2 stops31h 24mDelta
jue. 6/124:20 amIST - ONT
2 stops29h 26mDelta
Deal found 4/27$1,003
This oojo deal was found by Cheapflights users on 4/27. 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.
jue. 7/1711:45 pmONT - IST
1 stop19h 45mTurkish Airlines
lun. 7/217:15 amIST - ONT
1 stop25h 15mTurkish Airlines
Deal found 4/27$1,053
This oojo deal was found by Cheapflights users on 4/27. 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.
sáb. 9/611:39 amONT - IST
2 stops44h 56mQatar Airways
sáb. 9/138:05 pmIST - ONT
2 stops37h 54mQatar Airways
Deal found 4/27$1,068
This Turkish Airlines deal was found by Cheapflights users on 4/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/1911:45 pmONT - IST
1 stop19h 45mMultiple Airlines
lun. 8/42:55 pmIST - ONT
1 stop19h 18mMultiple Airlines
Deal found 4/26$1,115
This oojo deal was found by Cheapflights users on 4/27. 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.
mar. 5/610:59 pmONT - IST
2 stops45h 11mEtihad Airways
mar. 6/37:30 amIST - ONT
2 stops47h 41mEtihad Airways
Deal found 4/27$1,144
This Air Canada deal was found by Cheapflights users on 4/26. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/105:05 amONT - IST
3 stops26h 05mAir Canada
sáb. 5/179:45 amIST - ONT
3 stops36h 53mAir Canada
Deal found 4/26$1,257

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Istanbul 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 abril 29, 2025.
Use the filters below to find and compare flights from Ontario to Istanbul Airport that are best for you.

Fly from

Ontario

Fly to

Istanbul

Route

Depart

Return

Price

OntarioIstanbul

ONT - IST

ONTIST

Ontario

lun. 9/8

7:00 am-1:05 pm

2 stops20h 05m

Istanbul

sáb. 11/1

6:30 am-10:26 pm

2 stops25h 56m

$966

OntarioIstanbul

ONT - IST

ONTIST

Ontario

mié. 10/8

3:00 pm-12:25 am

2 stops23h 25m

Istanbul

mié. 10/22

8:25 am-9:40 pm

2 stops23h 15m

$979

OntarioIstanbul

ONT - IST

ONTIST

Ontario

mar. 6/3

10:01 am-3:25 am

2 stops31h 24m

Istanbul

mar. 6/10

4:20 am-7:54 pm

2 stops25h 34m

$1,003

OntarioIstanbul

ONT - IST

ONTIST

Ontario

jue. 7/17

11:45 pm-5:30 am

1 stop19h 45m

Istanbul

lun. 7/21

7:15 am-10:30 pm

1 stop25h 15m

$1,053

OntarioIstanbul

ONT - IST

ONTIST

Ontario

sáb. 9/6

11:39 am-6:35 pm

2 stops44h 56m

Istanbul

sáb. 9/13

8:05 pm-11:59 pm

2 stops37h 54m

$1,068

OntarioIstanbul

ONT - IST

ONTIST

Ontario

sáb. 7/19

11:45 pm-5:30 am

1 stop19h 45m

Istanbul

lun. 8/4

2:55 pm-12:13 am

1 stop19h 18m

$1,115

OntarioIstanbul

ONT - IST

ONTIST

Ontario

sáb. 5/10

5:05 am-5:10 pm

3 stops26h 05m

Istanbul

sáb. 5/17

9:45 am-12:38 pm

3 stops36h 53m

$1,257

OntarioIstanbul

ONT - IST

ONTIST

Ontario

dom. 9/28

11:00 pm-6:10 am

2 stops45h 10m

Istanbul

dom. 10/12

7:30 am-9:41 pm

2 stops48h 11m

$1,263

OntarioIstanbul

ONT - IST

ONTIST

Ontario

mar. 5/20

6:00 am-5:00 pm

1 stop25h 00m

$564

OntarioIstanbul

ONT - IST

ONTIST

Ontario

jue. 5/8

11:46 am-6:35 pm

2 stops44h 49m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results
1
2

Compare providers for flights from Ontario to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Istanbul in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Istanbul Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Istanbul Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Istanbul Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul 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 Istanbul Airport

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Istanbul Airport (average of $923). Flying from Ontario to Istanbul Airport in June is currently the most expensive (average of $1,423). 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 IST?

Find hourly flight availability from Ontario to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

It’s typically best to fly out from Ontario to Istanbul Airport at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated abril 29, 2025.
To help decide which airline to fly from Ontario to Istanbul, see what other customers have to say about Delta, KLM and Qatar Airways. 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
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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.
Qatar Airways
7.4
Good
3,561 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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.
Etihad Airways
7.4
Good
1,203 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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 Istanbul. 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 Istanbul?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Istanbul. You should not have trouble finding flights to Istanbul from Ontario; the airport handles an average of 0 outbound flights to Istanbul per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Ontario airport to Istanbul. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines flying from Ontario to Istanbul Airport round-trip?

    Our cheapest airline available from Ontario to Istanbul Airport is Turkish Airlines. Our recent data shows that you can find tickets from as low as $1,114 on this airline. Additional options worth looking into are Etihad Airways and United Airlines, starting at $1,144 and $1,181 round-trip.

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

    $601 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $621 and $641, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Istanbul 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 Istanbul Airport?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Istanbul Airport (average of $923). Flying from Ontario to Istanbul Airport in June is currently the most expensive (average of $1,423). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
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Top airline flying from Ontario to Istanbul

Discover the top airline that operate flights from Ontario to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,195Average$1,295FlexibilityNo cancel feeOn-time69%

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