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$741+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IST
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(oojo)

One-way from

$741
(oojo)

Popular in

June

Cheapest in

February

Average price

$971
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. 18% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 11/181:00 pmONT - IST
2 stops22h 45mUnited Airlines
Wed 12/36:30 amIST - ONT
2 stops24h 47mUnited Airlines
Deal found 3/26$770
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:45 amONT - IST
3 stops25h 35mAir Canada
Tue 12/23:00 pmIST - ONT
3 stops32h 33mAir Canada
Deal found 3/27$786
This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:00 amONT - IST
2 stops29h 45mMultiple Airlines
Sat 11/16:30 amIST - ONT
2 stops25h 56mMultiple Airlines
Deal found 3/27$1,010
This oojo deal was found by Cheapflights users on 3/27. 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.
Mon 9/156:00 amONT - IST
2 stops43h 55mQatar Airways
Fri 9/268:05 pmIST - ONT
2 stops32h 18mQatar Airways
Deal found 3/27$1,062
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 5/611:45 amONT - IST
2 stops29h 40mDelta
Fri 5/234:20 amIST - ONT
2 stops29h 22mDelta
Deal found 3/27$1,110
This Ovago deal was found by Cheapflights users on 3/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/222:44 pmONT - IST
2 stops24h 21mBritish Airways
Sun 4/278:15 amIST - ONT
2 stops23h 43mBritish Airways
Deal found 3/26$1,404
This oojo deal was found by Cheapflights users on 3/27. 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.
Tue 7/1511:45 pmONT - IST
2 stops44h 25mEtihad Airways
Wed 10/12:10 pmIST - ONT
2 stops41h 31mEtihad Airways
Deal found 3/27$1,571
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:56 amONT - IST
2 stops17h 59mKLM
Mon 1/55:10 amIST - ONT
2 stops22h 08mKLM
Deal found 3/27$2,576

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 March 28, 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

Mon 9/15

6:00 am-11:55 am

2 stops43h 55m

Istanbul

Fri 9/26

8:05 pm-6:23 pm

2 stops32h 18m

$1,062

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 5/6

11:45 am-3:25 am

2 stops29h 40m

Istanbul

Fri 5/23

4:20 am-11:42 pm

2 stops29h 22m

$1,110

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 5/18

6:00 am-9:20 pm

2 stops29h 20m

Istanbul

Fri 5/30

2:00 pm-10:59 pm

2 stops18h 59m

$1,170

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 5/11

10:59 pm-5:30 am

1 stop20h 31m

Istanbul

Thu 5/22

2:55 pm-10:46 pm

1 stop17h 51m

$1,254

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 4/22

2:44 pm-1:05 am

2 stops24h 21m

Istanbul

Sun 4/27

8:15 am-9:58 pm

2 stops23h 43m

$1,404

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 7/15

11:45 pm-6:10 am

2 stops44h 25m

Istanbul

Wed 10/1

2:10 pm-9:41 pm

2 stops41h 31m

$1,571

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 4/18

5:00 am-5:10 pm

3 stops26h 10m

Istanbul

Fri 4/25

8:25 pm-8:42 pm

3 stops34h 17m

$2,922

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 9/5

11:39 am-6:20 am

2 stops32h 41m

$741

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 4/14

2:35 pm-3:25 am

2 stops26h 50m

$782

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 4/2

1:35 pm-5:00 pm

2 stops17h 25m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Istanbul Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 28, 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 March 28, 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
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
3,538 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
1,181 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 Qatar Airways. Our recent data shows that you can find tickets from as low as $1,062 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $1,110 and $1,170 round-trip.

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

    $741 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 $782 and $801, 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,195Average$1,295FlexibilityNo cancel feeOn-time69%
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