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Cheap flights from Ontario to Istanbul from $527

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Istanbul departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:55 am - 3:30 am
ONT
-
IST
29h 35m
2 stops
Delta Logo
4:25 am - 12:05 pm
IST
-
ONT
41h 40m
2 stops
$795Delta
Sun, Aug 16 - Mon, Aug 24
Delta Logo
11:55 am - 3:30 am
ONT
-
IST
29h 35m
2 stops
Delta Logo
6:00 am - 10:42 am
IST
-
ONT
38h 42m
2 stops
$796Delta
Thu, Aug 13 - Fri, Aug 21
Delta Logo
6:01 pm - 3:30 am
ONT
-
IST
47h 29m
2 stops
Delta Logo
4:25 am - 12:05 pm
IST
-
ONT
41h 40m
2 stops
$801Delta
Sat, Aug 15 - Mon, Aug 24
Delta Logo
9:43 am - 3:30 am
ONT
-
IST
31h 47m
2 stops
Delta Logo
6:00 am - 10:42 am
IST
-
ONT
38h 42m
2 stops
$809Delta
Fri, Aug 14 - Fri, Aug 21
Delta Logo
6:01 pm - 3:30 am
ONT
-
IST
47h 29m
2 stops
Delta Logo
4:25 am - 12:05 pm
IST
-
ONT
41h 40m
2 stops
$851Delta
Fri, Aug 14 - Mon, Aug 24
Delta Logo
5:06 pm - 1:20 am
ONT
-
IST
22h 14m
2 stops
Delta Logo
4:25 am - 4:14 pm
IST
-
ONT
21h 49m
2 stops
$884Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
5:55 pm - 3:30 am
ONT
-
IST
47h 35m
2 stops
Delta Logo
5:20 pm - 5:16 pm
IST
-
ONT
33h 56m
2 stops
$890Delta
Sat, Sep 12 - Mon, Sep 21
Delta Logo
12:55 pm - 4:20 pm
ONT
-
IST
17h 25m
2 stops
Delta Logo
6:00 am - 10:45 pm
IST
-
ONT
26h 45m
2 stops
$903Delta
Fri, Aug 14 - Fri, Aug 21
Delta Logo
5:06 pm - 1:20 am
ONT
-
IST
22h 14m
2 stops
Delta Logo
6:00 am - 4:14 pm
IST
-
ONT
20h 14m
2 stops
$911Delta
Wed, Aug 26 - Tue, Sep 8
United Airlines Logo
1:18 pm - 4:55 pm
ONT
-
IST
17h 37m
2 stops
United Airlines Logo
6:30 am - 5:47 pm
IST
-
ONT
22h 17m
2 stops
$912United Airlines
Wed, Oct 21 - Wed, Nov 4

Air France flights from Ontario to Istanbul Airport

Our best Air France deals on Ontario to Istanbul Airport flight tickets
Air France
Nov 10
ONT12:00 pmOntario
18h 55m
2 stops
IST5:55 pmIstanbul
Nov 24
IST7:15 amIstanbul
19h 57m
2 stops
ONT4:12 pmOntario
$958
Air France
Nov 18
ONT12:00 pmOntario
18h 55m
2 stops
IST5:55 pmIstanbul
Dec 2
IST7:15 amIstanbul
22h 03m
2 stops
ONT6:18 pmOntario
$960
Air France
Oct 27
ONT1:00 pmOntario
18h 55m
2 stops
IST5:55 pmIstanbul
Nov 11
IST7:15 amIstanbul
19h 57m
2 stops
ONT4:12 pmOntario
$1,013

KLM flights from Ontario to Istanbul Airport

Our best KLM deals on Ontario to Istanbul Airport flight tickets
KLM
Jun 9
ONT1:00 pmOntario
26h 20m
2 stops
IST1:20 amIstanbul
Jun 23
IST6:00 amIstanbul
26h 41m
2 stops
ONT10:41 pmOntario
$1,069
KLM
Jun 5
ONT1:35 pmOntario
25h 45m
2 stops
IST1:20 amIstanbul
Jun 15
IST4:25 amIstanbul
22h 54m
2 stops
ONT5:19 pmOntario
$1,358

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Istanbul Airport 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, momondo users made 832,500 searches. Data last updated May 23, 2026.
Use the filters below to find and compare flights from Ontario to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 8/16

11:55 am-3:30 am

2 stops29h 35m

Istanbul

Mon 8/24

4:25 am-12:05 pm

2 stops41h 40m

$795

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 8/13

11:55 am-3:30 am

2 stops29h 35m

Istanbul

Fri 8/21

6:00 am-10:42 am

2 stops38h 42m

$796

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 8/15

6:01 pm-3:30 am

2 stops47h 29m

Istanbul

Mon 8/24

4:25 am-12:05 pm

2 stops41h 40m

$801

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 8/14

9:43 am-3:30 am

2 stops31h 47m

Istanbul

Fri 8/21

6:00 am-10:42 am

2 stops38h 42m

$809

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 8/14

6:01 pm-3:30 am

2 stops47h 29m

Istanbul

Mon 8/24

4:25 am-12:05 pm

2 stops41h 40m

$851

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 8/26

5:06 pm-1:20 am

2 stops22h 14m

Istanbul

Wed 9/9

4:25 am-4:14 pm

2 stops21h 49m

$884

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 9/12

5:55 pm-3:30 am

2 stops47h 35m

Istanbul

Mon 9/21

5:20 pm-5:16 pm

2 stops33h 56m

$890

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 8/14

12:55 pm-4:20 pm

2 stops17h 25m

Istanbul

Fri 8/21

6:00 am-10:45 pm

2 stops26h 45m

$903

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 8/26

5:06 pm-1:20 am

2 stops22h 14m

Istanbul

Tue 9/8

6:00 am-4:14 pm

2 stops20h 14m

$911
Quickest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 10/21

1:18 pm-4:55 pm

2 stops17h 37m

Istanbul

Wed 11/4

6:30 am-5:47 pm

2 stops22h 17m

$912

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Ontario to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Tuesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $878. On the other hand, Friday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,027.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

In the morning is the cheapest time of day to fly from Ontario to Istanbul Airport when you can find flight prices for as low as $822. Flying to Istanbul Airport in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $1,003.

When to book flights from Ontario to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Istanbul Airport (ONT to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Istanbul Airport

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from Ontario to Istanbul Airport takes 17h 00m
There are no direct flights from Ontario to Istanbul Airport. There are no popular flight routes from Ontario to Istanbul Airport.
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Frequently asked questions about flying from Ontario to Istanbul Airport

  • How far is Ontario to Istanbul by plane?

    A flight from Ontario to Istanbul will travel around 6805.8 mi. In terms of flight time, this usually takes a little over 17h 00m.

  • When did momondo last update prices for flights from Ontario Airport to Istanbul Airport?

    Prices for flights from Ontario Airport to Istanbul Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Istanbul Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The travel and health documents required for your trip to Istanbul Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Istanbul Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Istanbul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Istanbul with flexible booking policies on momondo?

All flight searches from Ontario to Istanbul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Istanbul?

momondo provides multiple filters to help you find the best flight to Istanbul from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Istanbul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Istanbul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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