Cheap flights from California to Istanbul from $409

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Istanbul departing on 11/17. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from California to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:05 pm - 3:05 am
SMF
-
IST
27h 00m
2 stops
Lufthansa Logo
4:45 am - 3:21 pm
IST
-
SMF
45h 36m
2 stops
$879Lufthansa
Wed, Nov 4 - Mon, Nov 16
Lufthansa Logo
10:17 am - 3:05 am
SMF
-
IST
30h 48m
2 stops
Lufthansa Logo
4:45 am - 11:43 pm
IST
-
SMF
29h 58m
2 stops
$889Lufthansa
Wed, Oct 28 - Tue, Nov 10
Scandinavian Airlines Logo
6:40 am - 3:40 am
SJC
-
IST
35h 00m
2 stops
Scandinavian Airlines Logo
4:30 am - 10:45 pm
IST
-
SJC
28h 15m
2 stops
$891Scandinavian Airlines
Fri, Sep 4 - Fri, Sep 25
United Airlines Logo
9:00 am - 10:45 pm
ONT
-
IST
26h 45m
2 stops
United Airlines Logo
6:30 am - 9:50 pm
IST
-
ONT
26h 20m
2 stops
$910United Airlines
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
11:00 am - 10:45 pm
SMF
-
IST
24h 45m
3 stops
United Airlines Logo
6:30 am - 11:43 pm
IST
-
SMF
28h 13m
2 stops
$912United Airlines
Wed, Nov 4 - Thu, Nov 12
Multiple Airlines Logo
10:44 am - 2:05 am
LAS
-
IST
29h 21m
2 stops
Multiple Airlines Logo
7:20 pm - 6:50 pm
IST
-
LAS
34h 30m
2 stops
$924Multiple Airlines
Wed, Oct 21 - Sat, Jan 30
Multiple Airlines Logo
6:17 am - 12:15 pm
SJC
-
IST
43h 58m
2 stops
Multiple Airlines Logo
8:05 pm - 6:45 pm
IST
-
SJC
32h 40m
2 stops
$927Multiple Airlines
Fri, Sep 4 - Fri, Sep 25
Scandinavian Airlines Logo
11:32 am - 3:40 am
SJC
-
IST
30h 08m
2 stops
Scandinavian Airlines Logo
4:30 am - 6:58 pm
IST
-
SJC
24h 28m
2 stops
$937Scandinavian Airlines
Sat, Sep 19 - Tue, Oct 6
KLM Logo
11:48 am - 4:20 pm
SAN
-
IST
18h 32m
2 stops
KLM Logo
6:00 am - 11:50 am
IST
-
SAN
15h 50m
1 stop
$948KLM
Sun, Aug 23 - Tue, Sep 8
KLM Logo
6:20 am - 4:55 pm
ONT
-
IST
23h 35m
2 stops
KLM Logo
5:55 pm - 6:18 pm
IST
-
ONT
35h 23m
2 stops
$957KLM
Sun, Nov 1 - Sun, Nov 15

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KLM flights from California to Istanbul

Our best KLM deals on California to Istanbul flight tickets
KLM
Aug 23
SAN11:48 amSan Diego
18h 32m
2 stops
IST4:20 pmIstanbul
Sep 8
IST6:00 amIstanbul
15h 50m
1 stop
SAN11:50 amSan Diego
$948
KLM
Nov 1
ONT6:20 amOntario
23h 35m
2 stops
IST4:55 pmIstanbul
Nov 15
IST5:55 pmIstanbul
35h 23m
2 stops
ONT6:18 pmOntario
$957
KLM
Nov 19
SAN10:00 amSan Diego
19h 55m
2 stops
IST4:55 pmIstanbul
Nov 23
IST5:55 pmIstanbul
29h 15m
1 stop
SAN12:10 pmSan Diego
$980

United Airlines flights from California to Istanbul

Our best United Airlines deals on California to Istanbul flight tickets
United Airlines
Nov 18
ONT9:00 amOntario
26h 45m
2 stops
IST10:45 pmIstanbul
Nov 25
IST6:30 amIstanbul
26h 20m
2 stops
ONT9:50 pmOntario
$910
United Airlines
Nov 4
SMF11:00 amSacramento Intl
24h 45m
3 stops
IST10:45 pmIstanbul
Nov 13
IST6:30 amIstanbul
28h 13m
2 stops
SMF11:43 pmSacramento Intl
$912
United Airlines
Nov 19
ONT5:00 amOntario
26h 10m
2 stops
IST6:10 pmIstanbul
Nov 27
IST6:30 amIstanbul
24h 36m
2 stops
ONT8:06 pmOntario
$960

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from California to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoIstanbul

SMF - IST

SMFIST

Sacramento Intl

Wed 11/4

1:05 pm-3:05 am

2 stops27h 00m

Istanbul

Mon 11/16

4:45 am-3:21 pm

2 stops45h 36m

$879

SacramentoIstanbul

SMF - IST

SMFIST

Sacramento Intl

Wed 10/28

10:17 am-3:05 am

2 stops30h 48m

Istanbul

Tue 11/10

4:45 am-11:43 pm

2 stops29h 58m

$889

San JoseIstanbul

SJC - IST

SJCIST

San Jose

Fri 9/4

6:40 am-3:40 am

2 stops35h 00m

Istanbul

Fri 9/25

4:30 am-10:45 pm

2 stops28h 15m

$891

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Wed 11/18

9:00 am-10:45 pm

2 stops26h 45m

Istanbul

Wed 11/25

6:30 am-9:50 pm

2 stops26h 20m

$910

SacramentoIstanbul

SMF - IST

SMFIST

Sacramento Intl

Wed 11/4

11:00 am-10:45 pm

3 stops24h 45m

Istanbul

Thu 11/12

6:30 am-11:43 pm

2 stops28h 13m

$912

Las VegasIstanbul

LAS - IST

LASIST

Las Vegas Harry Reid Intl

Wed 10/21

10:44 am-2:05 am

2 stops29h 21m

Istanbul

Sat 1/30

7:20 pm-6:50 pm

2 stops34h 30m

$924

San JoseIstanbul

SJC - IST

SJCIST

San Jose

Fri 9/4

6:17 am-12:15 pm

2 stops43h 58m

Istanbul

Fri 9/25

8:05 pm-6:45 pm

2 stops32h 40m

$927

San JoseIstanbul

SJC - IST

SJCIST

San Jose

Sat 9/19

11:32 am-3:40 am

2 stops30h 08m

Istanbul

Tue 10/6

4:30 am-6:58 pm

2 stops24h 28m

$937
Quickest round-trip

San DiegoIstanbul

SAN - IST

SANIST

San Diego

Sun 8/23

11:48 am-4:20 pm

2 stops18h 32m

Istanbul

Tue 9/8

6:00 am-11:50 am

1 stop15h 50m

$948

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 11/1

6:20 am-4:55 pm

2 stops23h 35m

Istanbul

Sun 11/15

5:55 pm-6:18 pm

2 stops35h 23m

$957

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 California to Istanbul

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 month to fly to Istanbul?

In general, April is the cheapest month to fly from California to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $732. If you aren’t able to travel to Istanbul during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $738.

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

The cheapest day to depart from California to Istanbul is on a Tuesday when prices can be found for as low as $889. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Friday is $1,014.

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

Our most recent data shows that the best time of day to fly to Istanbul is in the afternoon. Flights from California to Istanbul during this time can be as low as $885. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,216 on average. Flights to Istanbul from California in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest California to Istanbul flight route?

Fly from San Francisco to Istanbul for the best California - Istanbul flight prices

How far in advance should I book a flight from California to Istanbul?

You are more likely to see cheaper flights to Istanbul from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $978 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from California for as low as $850 on momondo.

What cabin class options are available on California to Istanbul flights?

There are 3 cabin classes available to choose from on California to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap California to Istanbul flight deals and tips

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

Fastest flight time

12h 10m

Direct flights

Every day

Airports in Istanbul

2 airports
The fastest flight from California to Istanbul takes 12h 10m
Direct flights go from California to Istanbul every day.
There are 2 airports in Istanbul. From California there are direct flights to Istanbul (IST).

Frequently asked questions about flying from California to Istanbul

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

    Prices for flights from California to Istanbul are refreshed on a daily basis.

  • How many operators does momondo search for flights from California to Istanbul?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Istanbul.

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

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Istanbul

Compare and see reviews for airlines that fly from California to Istanbul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $365Free CancellationRating
7.8
8,452 reviews
Search Delta flights
LOTPriceFrom $508Free CancellationRating
7.5
1,210 reviews
Search LOT flights
LufthansaPriceFrom $515Free CancellationRating
6.8
8,109 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $526Free CancellationRating
7.3
3,738 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $530Free CancellationRating
7.1
11,765 reviews
Search American Airlines flights
British AirwaysPriceFrom $532Free CancellationRating
6.7
8,089 reviews
Search British Airways flights
Air CanadaPriceFrom $553Free CancellationRating
7.1
11,278 reviews
Search Air Canada flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,906 reviews
Search United Airlines flights
KLMPriceFrom $594Free CancellationRating
7.8
1,531 reviews
Search KLM flights
EgyptairPriceFrom $602Free CancellationRating
6.6
431 reviews
Search Egyptair flights

Why use momondo?

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

Finding the right flight to Istanbul from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Istanbul quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for California to Istanbul flights to just show those with flexible booking policies.

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

Once you have performed a search for California to Istanbul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Istanbul from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 7/31
Fri 8/7

Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 20.9 mi from Istanbul