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$598+ Cheap flights from Istanbul (IST) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Istanbul to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to Ontario (ONT). 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 February 20, 2025.

Round-trip from

$598
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$538
From Istanbul to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Istanbul to Ontario

Cheapest flights from Istanbul to Ontario
Explore the most affordable flight options available from Istanbul to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 3/36:50 amIST - ONT
2 stops40h 52mUnited Airlines
Mon 3/101:40 pmONT - IST
2 stops18h 25mUnited Airlines
Deal found 2/19$598
This Delta deal was found by Cheapflights users on 2/19. 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 3/115:10 amIST - ONT
2 stops27h 33mDelta
Tue 4/156:00 amONT - IST
2 stops24h 20mDelta
Deal found 2/19$640
This Netflights deal was found by Cheapflights users on 2/19. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:25 amIST - ONT
2 stops25h 37mMultiple Airlines
Sat 11/15:02 pmONT - IST
2 stops22h 13mMultiple Airlines
Deal found 2/19$658
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 3/112:55 pmIST - ONT
2 stops38h 06mAmerican Airlines
Sun 4/1311:59 pmONT - IST
2 stops38h 31mAmerican Airlines
Deal found 2/19$672
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:50 amIST - ONT
2 stops25h 02mLufthansa
Mon 3/175:05 amONT - IST
2 stops27h 00mLufthansa
Deal found 2/20$693
This British Airways deal was found by Cheapflights users on 2/19. 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.
Fri 3/146:35 pmIST - ONT
2 stops34h 26mBritish Airways
Mon 4/144:35 pmONT - IST
2 stops21h 55mBritish Airways
Deal found 2/19$802
This Air France deal was found by Cheapflights users on 2/20. 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.
Sat 3/85:10 amIST - ONT
2 stops21h 15mKLM
Wed 3/121:30 pmONT - IST
2 stops17h 25mKLM
Deal found 2/20$814
This oojo deal was found by Cheapflights users on 2/19. 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.
Fri 3/78:10 pmIST - ONT
2 stops35h 07mQatar Airways
Thu 3/276:00 amONT - IST
2 stops44h 20mQatar Airways
Deal found 2/19$1,162
This Air Canada deal was found by Cheapflights users on 2/19. 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 3/41:45 pmIST - ONT
3 stops33h 57mAir Canada
Fri 3/75:05 amONT - IST
3 stops26h 15mAir Canada
Deal found 2/19$2,489
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:35 pmIST - ONT
2 stops40h 47mEtihad Airways
Mon 6/2311:45 pmONT - IST
2 stops44h 25mEtihad Airways
Deal found 2/19$3,968

Find flights from Istanbul to Ontario within your budget

Customize your flight search to find flights from Istanbul to Ontario 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 February 20, 2025.

Fly from

Istanbul

Fly to

Ontario

Route

Depart

Return

Price

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Mon 3/3

6:50 am-12:42 pm

2 stops40h 52m

Ontario

Mon 3/10

1:40 pm-6:05 pm

2 stops18h 25m

$598

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Tue 3/11

5:10 am-10:43 pm

2 stops27h 33m

Ontario

Tue 4/15

6:00 am-4:20 pm

2 stops24h 20m

$640

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Tue 3/11

2:55 pm-7:01 pm

2 stops38h 06m

Ontario

Sun 4/13

11:59 pm-12:30 am

2 stops38h 31m

$672

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Mon 3/3

6:50 am-8:52 pm

2 stops25h 02m

Ontario

Mon 3/17

5:05 am-6:05 pm

2 stops27h 00m

$693

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Fri 3/14

6:35 pm-7:01 pm

2 stops34h 26m

Ontario

Mon 4/14

4:35 pm-12:30 am

2 stops21h 55m

$802

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Sat 3/8

5:10 am-3:25 pm

2 stops21h 15m

Ontario

Wed 3/12

1:30 pm-4:55 pm

2 stops17h 25m

$814

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Mon 3/3

5:10 am-4:28 pm

2 stops22h 18m

Ontario

Mon 3/17

1:30 pm-4:55 pm

2 stops17h 25m

$866

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Fri 3/7

8:10 pm-8:17 pm

2 stops35h 07m

Ontario

Thu 3/27

6:00 am-12:20 pm

2 stops44h 20m

$1,162

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Tue 3/4

1:45 pm-12:42 pm

3 stops33h 57m

Ontario

Fri 3/7

5:05 am-6:20 pm

3 stops26h 15m

$2,489

IstanbulOntario

IST - ONT

ISTONT

Istanbul

Sat 5/3

2:35 pm-9:22 pm

2 stops40h 47m

Ontario

Mon 6/23

11:45 pm-6:10 am

2 stops44h 25m

$3,968

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
2

Best time to book a flight from Istanbul to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Istanbul 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.

Travel insights for flights from Istanbul to Ontario

Get recent, data-driven insights about flights from Istanbul to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Ontario (average of $246). Flying from Istanbul Airport to Ontario in March is currently the most expensive (average of $315). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Qatar Airways
7.4
Good
3,609 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Ontario. 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 into for flights to Ontario from Istanbul?

    For a flight from Istanbul to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Istanbul per day. 0 airlines have flights to Ontario from Istanbul on a regular basis.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $656. Users have also found prices from $711 and $727 on Qatar Airways and United Airlines, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Ontario (average of $246). Flying from Istanbul Airport to Ontario in March is currently the most expensive (average of $315). 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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