How long is the flight from Ontario to Istanbul?

Airlines like United Airlines and KLM fly from Ontario to Istanbul in about 19h 28m. The time it takes to get you to your destination can typically vary by up to 2h 41m. The distance between Ontario and Istanbul is about 6805 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Istanbul 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 when rainfall is around 0.4 in.

If weather is an important factor for your trip to Istanbul, 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).

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

When flying from Ontario to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Ontario to Istanbul?

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

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.

$390+ Cheap Flights from Ontario to Istanbul

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Istanbul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Istanbul

Cheapest

Best

Last-minute

One-way

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 August 26, 2026.

Wed 11/254:17 pm -

2 stops19h 28m

Tue 12/86:30 am -

3 stops24h 50m

Deal found 8/21

$830

Tue 11/241:35 pm -

2 stops22h 10m

Tue 12/86:30 am -

2 stops24h 59m

Deal found 8/25

$831

Sun 11/224:17 pm -

2 stops19h 28m

Fri 12/116:30 am -

2 stops24h 59m

Deal found 8/21

$875

Sat 11/211:29 pm -

2 stops46h 16m

Thu 11/266:30 am -

2 stops24h 12m

Deal found 8/21

$881

Tue 11/174:17 pm -

2 stops19h 28m

Tue 12/156:30 am -

2 stops24h 59m

Deal found 8/26

$882

Wed 11/252:09 pm -

2 stops23h 16m

Wed 12/26:50 pm -

2 stops34h 57m

Deal found 8/23

$884

Tue 11/244:17 pm -

2 stops19h 28m

Tue 12/17:05 pm -

2 stops33h 31m

Deal found 8/23

$896

Tue 11/244:17 pm -

2 stops19h 28m

Fri 11/276:30 am -

2 stops24h 45m

Deal found 8/21

$913

Sun 11/224:17 pm -

2 stops19h 28m

Tue 12/16:30 am -

2 stops22h 06m

Deal found 8/21

$920

Tue 10/274:17 pm -

2 stops20h 28m

Tue 11/106:30 am -

2 stops22h 31m

Deal found 8/21

$927

Tue 10/204:03 pm -

2 stops19h 12m

Tue 11/106:30 am -

2 stops22h 31m

Deal found 8/22

$928

Tue 11/312:16 pm -

2 stops22h 09m

Thu 11/129:00 am -

2 stops23h 59m

Deal found 8/22

$953

Best flights from Ontario to Istanbul
Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Sun 11/224:17 pm -

2 stops19h 28m

Fri 12/116:30 am -

2 stops24h 59m

Deal found 8/21

$875

Tue 11/312:16 pm -

2 stops22h 09m

Thu 11/129:00 am -

2 stops23h 59m

Deal found 8/22

$953

Wed 9/2312:12 pm -

2 stops32h 08m

Fri 10/238:05 pm -

2 stops31h 55m

Deal found 8/22

$1,057

Tue 11/174:17 pm -

2 stops19h 28m

Tue 12/156:30 am -

2 stops24h 59m

Deal found 8/26

$882

Wed 11/114:17 pm -

2 stops19h 28m

Tue 12/16:30 am -

2 stops24h 59m

Deal found 8/23

$932

Sat 9/267:05 am -

2 stops29h 50m

Thu 10/112:45 pm -

2 stops39h 30m

Deal found 8/24

$1,111

Tue 1/121:00 pm -

2 stops18h 10m

Tue 1/196:30 am -

2 stops22h 17m

Deal found 8/24

$983

Tue 10/131:52 pm -

2 stops21h 23m

Tue 10/276:30 am -

2 stops23h 45m

Deal found 8/23

$987

Mon 10/124:03 pm -

2 stops19h 22m

Mon 10/266:30 am -

2 stops23h 45m

Deal found 8/22

$992

Mon 10/54:03 pm -

2 stops19h 22m

Thu 10/155:40 am -

2 stops24h 51m

Deal found 8/21

$1,090

Sun 11/11:35 pm -

2 stops22h 10m

Wed 11/118:40 am -

2 stops23h 11m

Deal found 8/24

$1,092

Tue 11/101:35 pm -

2 stops22h 10m

Tue 11/178:40 am -

2 stops22h 35m

Deal found 8/23

$1,092

Sat 10/241:52 pm -

2 stops22h 53m

Sat 10/316:30 am -

2 stops25h 10m

Deal found 8/23

$1,097

Fri 10/21:24 pm -

2 stops45h 51m

Sat 10/105:50 am -

2 stops26h 09m

Deal found 8/21

$1,107

Fri 9/251:04 pm -

2 stops21h 56m

Mon 10/58:50 am -

2 stops23h 50m

Deal found 8/24

$2,378

Mon 9/711:56 am -

2 stops23h 04m

Thu 9/178:50 am -

2 stops23h 50m

Deal found 8/26

$2,563

Fri 9/115:15 pm -

2 stops17h 45m

Sat 9/198:50 am -

2 stops23h 50m

Deal found 8/24

$3,218

Sun 9/135:15 pm -

2 stops17h 45m

Wed 10/1412:45 pm -

2 stops21h 10m

Deal found 8/24

$4,314

Last-minute flights from Ontario to Istanbul
Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 26, 2026 and is based on user searches.

Sun 8/306:02 am -

2 stops38h 18m

Mon 9/211:45 pm -

2 stops39h 18m

Deal found 8/22

$968

Sun 8/3012:00 pm -

2 stops32h 20m

Sat 9/191:45 pm -

2 stops43h 39m

Deal found 8/22

$1,008

Mon 8/3112:00 pm -

2 stops44h 35m

Mon 9/211:45 pm -

2 stops39h 18m

Deal found 8/22

$999

Thu 9/36:02 am -

2 stops50h 33m

Wed 9/238:05 pm -

2 stops37h 19m

Deal found 8/26

$986

Thu 9/312:00 pm -

2 stops37h 55m

Sun 9/131:45 pm -

2 stops39h 18m

Deal found 8/26

$1,010

Sat 9/121:18 pm -

2 stops46h 17m

Thu 12/36:30 am -

2 stops22h 06m

Deal found 8/22

$979

Sun 9/131:04 pm -

2 stops25h 21m

Fri 12/48:25 am -

2 stops26h 21m

Deal found 8/22

$1,018

Mon 9/1412:12 pm -

2 stops37h 43m

Mon 10/261:50 pm -

2 stops54h 27m

Deal found 8/21

$995

Mon 9/1412:12 pm -

2 stops37h 43m

Wed 10/288:10 pm -

2 stops37h 32m

Deal found 8/21

$1,012

Thu 9/1712:12 pm -

2 stops37h 43m

Mon 9/288:05 pm -

2 stops32h 58m

Deal found 8/23

$983

Sat 9/191:18 pm -

2 stops46h 17m

Wed 10/75:40 am -

2 stops27h 11m

Deal found 8/22

$987

Mon 9/217:59 pm -

2 stops53h 56m

Wed 10/78:05 pm -

2 stops37h 37m

Deal found 8/25

$993

One-way flights from Ontario to Istanbul
Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Wed 11/257:00 am -

2 stops28h 45m

Deal found 8/23

$390

Sun 1/106:45 am -

2 stops29h 00m

Deal found 8/22

$391

Thu 12/34:03 pm -

2 stops19h 42m

Deal found 8/25

$440

Sat 11/211:29 pm -

2 stops46h 16m

Deal found 8/22

$447

Mon 12/2811:52 pm -

2 stops35h 53m

Deal found 8/22

$473

Mon 1/189:59 am -

2 stops27h 06m

Deal found 8/25

$495

Sat 11/77:07 am -

2 stops27h 23m

Deal found 8/23

$534

Wed 9/212:00 pm -

2 stops32h 20m

Deal found 8/25

$557

Thu 9/246:02 am -

2 stops43h 53m

Deal found 8/26

$558

Tue 9/16:02 am -

2 stops50h 33m

Deal found 8/25

$559

Sun 9/66:02 am -

2 stops38h 18m

Deal found 8/25

$560

Sun 9/136:02 am -

2 stops38h 18m

Deal found 8/23

$573

Find flight deals from Ontario to Istanbul

Round-trip from	$830 (United Airlines)
One-way from	$390 (United Airlines)
Popular in	June
Cheapest in	February
Average price	$1,128

From Ontario to Istanbul

Search Deals

One-way flight from Ontario to Istanbul

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($298 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sun 11/22

4:17 pm-10:45 pm

2 stops19h 28m

Istanbul

Fri 12/11

6:30 am-8:29 pm

2 stops24h 59m

$875

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Tue 11/17

4:17 pm-10:45 pm

2 stops19h 28m

Istanbul

Tue 12/15

6:30 am-8:29 pm

2 stops24h 59m

$882

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 11/11

4:17 pm-10:45 pm

2 stops19h 28m

Istanbul

Tue 12/1

6:30 am-8:29 pm

2 stops24h 59m

$932

OntarioIstanbul

ONT Ontario - SAW Istanbul Sabiha Gokcen

ONTSAW

Ontario

Tue 11/3

12:16 pm-9:25 pm

2 stops22h 09m

Istanbul Sabiha Gokcen

Thu 11/12

9:00 am-9:59 pm

2 stops23h 59m

$953

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Tue 1/12

1:00 pm-6:10 pm

2 stops18h 10m

Istanbul

Tue 1/19

6:30 am-5:47 pm

2 stops22h 17m

$983

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Tue 10/13

1:52 pm-9:15 pm

2 stops21h 23m

Istanbul

Tue 10/27

6:30 am-8:15 pm

2 stops23h 45m

$987

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 10/12

4:03 pm-9:25 pm

2 stops19h 22m

Istanbul

Mon 10/26

6:30 am-8:15 pm

2 stops23h 45m

$992

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Wed 9/23

12:12 pm-6:20 am

2 stops32h 08m

Istanbul

Fri 10/23

8:05 pm-6:00 pm

2 stops31h 55m

$1,057

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Mon 10/5

4:03 pm-9:25 pm

2 stops19h 22m

Istanbul

Thu 10/15

5:40 am-8:31 pm

2 stops24h 51m

$1,090

OntarioIstanbul

ONT Ontario - IST Istanbul

ONTIST

Ontario

Sun 11/1

1:35 pm-10:45 pm

2 stops22h 10m

Istanbul

Wed 11/11

8:40 am-8:51 pm

2 stops23h 11m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 38 resultsSorted by cheapest first

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.

ONT-TR5

ONT-IST

ONT-SAW

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

ONT-TR5

ONT-IST

ONT-SAW

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Ontario to Istanbul?
For a flight from Ontario to Istanbul, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Istanbul per day. 0 airlines have flights to Istanbul from Ontario on a regular basis.
How long is the flight from Ontario to Istanbul?
Airlines like United Airlines and KLM fly from Ontario to Istanbul in about 19h 28m. The time it takes to get you to your destination can typically vary by up to 2h 41m. The distance between Ontario and Istanbul is about 6805 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Ontario

Popular flights

Alternative routes for Ontario to Istanbul

Los Angeles to Istanbul flights

San Francisco to Istanbul flights

Sacramento to Istanbul flights

San Diego to Istanbul flights

Las Vegas to Istanbul flights

Los Angeles to Antalya flights

Los Angeles to Izmir flights

San Francisco to Izmir flights

San Francisco to Ankara flights

Los Angeles to Ankara flights

San Francisco to Van flights

Reno to Istanbul flights

San Francisco to Bodrum flights

San Luis Obispo to Istanbul flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$390+ Cheap flights from Ontario (ONT) to Istanbul

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Istanbul with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Istanbul

Cheapest flights from Ontario to IstanbulExplore 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 August 26, 2026.

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 August 26, 2026.

Best flights from Ontario to IstanbulDiscover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Ontario to IstanbulDiscover last-minute flight deals from Ontario to Istanbul. Data last updated August 26, 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Ontario to IstanbulSearch for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Find flight deals from Ontario to Istanbul

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Istanbul that are best for you.

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.

Cheapflights Insights

Related info for your journey

What airport do you fly from for flights from Ontario to Istanbul?

How long is the flight from Ontario to Istanbul?

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

How can I find direct flights from Ontario to Istanbul?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Istanbul by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ontario to Istanbul by cabin class

Find flights from Ontario to Istanbul, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Istanbul flights

Browse other Ontario and Istanbul flight options. Last updated on August 26, 2026.

Other flights from Ontario

Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

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 August 26, 2026.

Best flights from Ontario to Istanbul
Discover carefully curated flight deals from Ontario to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Ontario to Istanbul
Discover last-minute flight deals from Ontario to Istanbul. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Ontario to Istanbul
Search for one-way flight options from Ontario to Istanbul. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.