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Cheap flights from Ontario to Istanbul from $278

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 2/24. 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.
United Airlines Logo
1:24 pm - 6:05 pmONT-IST
17h 41m2 stops
United Airlines Logo
6:30 am - 10:53 pmIST-ONT
27h 23m2 stops
$575United Airlines
Find Deal
Wed, Jan 7 - Fri, Jan 16
United Airlines Logo
1:53 pm - 10:45 pmONT-IST
21h 52m2 stops
United Airlines Logo
6:30 am - 5:51 pmIST-ONT
22h 21m2 stops
$576United Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
6:39 pm - 5:45 pmONT-IST
36h 06m2 stops
United Airlines Logo
6:30 am - 10:53 pmIST-ONT
27h 23m2 stops
$579United Airlines
Find Deal
Mon, Dec 29 - Mon, Jan 26
United Airlines Logo
6:32 pm - 6:05 pmONT-IST
36h 33m2 stops
United Airlines Logo
6:30 am - 11:18 amIST-ONT
39h 48m3 stops
$580United Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 20
Delta Logo
10:30 pm - 3:50 amONT-IST
42h 20m2 stops
Delta Logo
5:55 pm - 4:13 pmIST-ONT
33h 18m2 stops
$593Delta
Find Deal
Tue, Jan 13 - Tue, Jan 20
Delta Logo
7:30 am - 3:50 amONT-IST
33h 20m2 stops
Delta Logo
4:50 am - 10:29 pmIST-ONT
28h 39m2 stops
$599Delta
Find Deal
Wed, Jan 7 - Tue, Jan 13
Delta Logo
7:30 am - 3:50 amONT-IST
33h 20m2 stops
Delta Logo
5:55 pm - 9:07 pmIST-ONT
38h 12m2 stops
$601Delta
Find Deal
Wed, Jan 7 - Tue, Jan 13
Delta Logo
6:00 am - 3:50 amONT-IST
34h 50m2 stops
Delta Logo
5:55 pm - 9:14 pmIST-ONT
37h 19m2 stops
$659Delta
Find Deal
Thu, Feb 26 - Mon, Mar 9
United Airlines Logo
8:11 am - 10:45 pmONT-IST
27h 34m2 stops
United Airlines Logo
6:30 am - 12:17 pmIST-ONT
40h 47m3 stops
$674United Airlines
Find Deal
Thu, Jan 1 - Fri, Jan 16
United Airlines Logo
1:53 pm - 10:45 pmONT-IST
21h 52m2 stops
United Airlines Logo
6:30 am - 8:58 pmIST-ONT
25h 28m2 stops
$675United Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 21

United Airlines flights from Ontario to Istanbul Airport

Our best United Airlines deals on Ontario to Istanbul Airport flight tickets
United Airlines
Jan 7
ONT1:24 pmOntario
17h 41m
2 stops
IST6:05 pmIstanbul
Jan 16
IST6:30 amIstanbul
27h 23m
2 stops
ONT10:53 pmOntario
$575
Find similar
United Airlines
Jan 17
ONT1:53 pmOntario
21h 52m
2 stops
IST10:45 pmIstanbul
Jan 24
IST6:30 amIstanbul
22h 21m
2 stops
ONT5:51 pmOntario
$576
Find similar
United Airlines
Dec 29
ONT6:39 pmOntario
36h 06m
2 stops
IST5:45 pmIstanbul
Jan 26
IST6:30 amIstanbul
27h 23m
2 stops
ONT10:53 pmOntario
$579
Find similar

Delta flights from Ontario to Istanbul Airport

Our best Delta deals on Ontario to Istanbul Airport flight tickets
Delta
Jan 13
ONT10:30 pmOntario
42h 20m
2 stops
IST3:50 amIstanbul
Jan 20
IST5:55 pmIstanbul
33h 18m
2 stops
ONT4:13 pmOntario
$593
Find similar
Delta
Jan 7
ONT7:30 amOntario
33h 20m
2 stops
IST3:50 amIstanbul
Jan 13
IST4:50 amIstanbul
28h 39m
2 stops
ONT10:29 pmOntario
$599
Find similar
Delta
Jan 7
ONT7:30 amOntario
33h 20m
2 stops
IST3:50 amIstanbul
Jan 13
IST5:55 pmIstanbul
38h 12m
2 stops
ONT9:07 pmOntario
$601
Find similar

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 November 13, 2025.
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

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 1/7

1:24 pm-6:05 pm

2 stops17h 41m

Istanbul

Fri 1/16

6:30 am-10:53 pm

2 stops27h 23m

$575

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sat 1/17

1:53 pm-10:45 pm

2 stops21h 52m

Istanbul

Sat 1/24

6:30 am-5:51 pm

2 stops22h 21m

$576

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 12/29

6:39 pm-5:45 pm

2 stops36h 06m

Istanbul

Mon 1/26

6:30 am-10:53 pm

2 stops27h 23m

$579

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 1/6

6:32 pm-6:05 pm

2 stops36h 33m

Istanbul

Tue 1/20

6:30 am-11:18 am

3 stops39h 48m

$580

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 1/13

10:30 pm-3:50 am

2 stops42h 20m

Istanbul

Tue 1/20

5:55 pm-4:13 pm

2 stops33h 18m

$593

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 1/7

7:30 am-3:50 am

2 stops33h 20m

Istanbul

Tue 1/13

4:50 am-10:29 pm

2 stops28h 39m

$599

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 1/7

7:30 am-3:50 am

2 stops33h 20m

Istanbul

Tue 1/13

5:55 pm-9:07 pm

2 stops38h 12m

$601

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 2/26

6:00 am-3:50 am

2 stops34h 50m

Istanbul

Mon 3/9

5:55 pm-9:14 pm

2 stops37h 19m

$659

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Thu 1/1

8:11 am-10:45 pm

2 stops27h 34m

Istanbul

Fri 1/16

6:30 am-12:17 pm

3 stops40h 47m

$674

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Fri 1/9

1:53 pm-10:45 pm

2 stops21h 52m

Istanbul

Wed 1/21

6:30 am-8:58 pm

2 stops25h 28m

$675

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 $909. 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 $1,073.

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 $1,033.

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

Direct flights

None
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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  • 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 many operators does momondo search for flights from Ontario Airport to Istanbul Airport?

  • 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.

  • What is the most popular airline from Ontario to Istanbul Airport?

Best airlines flying from Ontario to Istanbul Airport

Compare and see reviews for airlines that fly from Ontario to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $775Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

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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