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$477+ Cheap flights from Fremont, CA 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IST
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Istanbul are usually found in March or November, booked 44 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Fremont to Istanbul

Keep the following information in mind while searching for Fremont to Istanbul flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$809
(KLM)

One-way from

$477
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,054
From Fremont to Istanbul
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One-way flight from Fremont to Istanbul
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Highest demand for flights based on searches. 14% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Fremont to Istanbul

Cheapest flights from Fremont to Istanbul
Explore the most affordable flight options available from Fremont to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:25 pmSFO - IST
1 stop21h 00mKLM
jue. 10/305:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 9/15$809
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/54:35 pmSFO - SAW
2 stops26h 30mMultiple Airlines
mié. 11/1911:05 amSAW - SFO
1 stop20h 05mMultiple Airlines
Deal found 9/13$815
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/138:40 amSFO - IST
2 stops22h 45mMultiple Airlines
lun. 10/202:20 pmIST - SFO
3 stops35h 50mMultiple Airlines
Deal found 9/15$815
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/207:10 amSFO - IST
3 stops26h 50mMultiple Airlines
jue. 10/3010:00 pmIST - SFO
2 stops29h 30mMultiple Airlines
Deal found 9/13$816
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/143:40 pmSFO - IST
1 stop25h 10mKLM
mié. 12/245:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 9/15$818
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/291:25 pmSFO - IST
2 stops17h 30mKLM
mar. 11/44:50 amIST - SFO
1 stop19h 35mKLM
Deal found 9/13$819
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/218:30 amSFO - IST
2 stops23h 00mMultiple Airlines
mié. 10/13:40 pmIST - SFO
3 stops34h 30mMultiple Airlines
Deal found 9/14$821
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/110:30 amSFO - SAW
2 stops20h 40mMultiple Airlines
vie. 10/319:05 amSAW - SFO
1 stop16h 30mMultiple Airlines
Deal found 9/14$822
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/253:05 pmSFO - IST
1 stop26h 45mKLM
dom. 11/25:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 9/13$822
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/84:35 pmSFO - SAW
2 stops26h 30mMultiple Airlines
dom. 11/1611:05 amSAW - SFO
1 stop20h 05mMultiple Airlines
Deal found 9/13$823
This Air France deal was found by Cheapflights users on 9/14. 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.
mar. 11/119:00 amSFO - IST
2 stops20h 55mKLM
lun. 12/154:50 amIST - SFO
2 stops22h 20mKLM
Deal found 9/14$823
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/109:29 amSFO - SAW
2 stops21h 31mMultiple Airlines
mié. 11/1912:40 pmSAW - SFO
1 stop18h 30mMultiple Airlines
Deal found 9/13$824

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Fremont to Istanbul that are best for you.

Fly from

Fremont

Fly to

Istanbul

Route

Depart

Return

Price

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

sáb. 10/25

3:05 pm-3:50 am

1 stop26h 45m

Istanbul

dom. 11/2

5:55 pm-11:50 am

1 stop28h 55m

$822

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

mar. 10/7

1:45 pm-5:10 pm

1 stop17h 25m

Istanbul Sabiha Gokcen

vie. 10/31

12:55 pm-12:50 pm

1 stop33h 55m

$830

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

lun. 10/20

1:45 pm-5:05 pm

1 stop17h 20m

Istanbul Sabiha Gokcen

jue. 10/30

12:55 pm-12:50 pm

1 stop33h 55m

$830

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

mié. 10/22

4:54 pm-9:05 pm

2 stops18h 11m

Istanbul Sabiha Gokcen

mié. 2/4

12:55 pm-11:50 am

1 stop33h 55m

$834

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

mié. 11/19

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

vie. 11/28

5:55 pm-11:50 am

1 stop28h 55m

$835

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

mié. 10/1

8:25 pm-3:25 am

1 stop21h 00m

Istanbul

mié. 10/8

4:20 am-12:50 pm

1 stop18h 30m

$843

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

jue. 10/2

3:05 pm-3:25 am

1 stop26h 20m

Istanbul

lun. 10/6

4:20 am-6:15 pm

1 stop23h 55m

$843

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

lun. 9/29

8:25 pm-3:25 am

1 stop21h 00m

Istanbul

mié. 10/15

4:20 am-12:50 pm

1 stop18h 30m

$845

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

mar. 1/6

1:55 pm-9:20 pm

1 stop20h 25m

Istanbul Sabiha Gokcen

mar. 2/17

12:55 pm-11:50 am

1 stop33h 55m

$859

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

jue. 10/2

1:45 pm-5:10 pm

1 stop17h 25m

Istanbul Sabiha Gokcen

mar. 11/11

9:00 am-11:50 am

1 stop37h 50m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 results
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Best time to book a flight from Fremont to Istanbul

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

Cheapflights Insights

Everything you need to know about your flight from Fremont to Istanbul

How far ahead should I book a flight from Fremont to Istanbul?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Istanbul. Price data was last updated on September 12, 2025.

The best time to book flights from Fremont to Istanbul is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Fremont to Istanbul (average of $916). Flying from Fremont to Istanbul in June is currently the most expensive (average of $1,359). 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.

What is the cheapest time of day to fly from FR8 to IST?

Find hourly flight availability from Fremont to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fremont to Istanbul as you normally would.

What is the cheapest day to fly from Fremont to Istanbul?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Istanbul flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to Istanbul

Explore weekly flight availability from Fremont to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 15, 2025.

The most flights from FR8 to TR5 are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated septiembre 15, 2025.
Read through reviews of airlines operating flights from Fremont to Istanbul, such as Delta, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Fremont to Istanbul?

    There are many flights that can get you from Fremont to Istanbul in 26h 45m. Fly via KLM to get the fastest option. Fremont and Istanbul are separated by a distance of 6684 mi.

  • What are the most reliable airlines from Fremont to Istanbul?

    No one likes to see their flight delayed. When booking a flight from Fremont to Istanbul consider choosing Turkish Airlines (78%), Pakistan International Airlines (78%) or IndiGo (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Fremont to Istanbul?

    While on average a flight from Fremont to Istanbul is generally $2,307, our data shows the cheapest flight currently is $400. When looking at the most popular route, (San Francisco - Istanbul), you can expect to pay $638 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont 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.

  • What is the cheapest month to book a flight from Fremont to Istanbul?

    Currently, October is the cheapest month in which you can book a flight from Fremont to Istanbul (average of $916). Flying from Fremont to Istanbul in June is currently the most expensive (average of $1,359). 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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Alternative routes for Fremont to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Fremont to Istanbul

Discover the top 10 airlines that operate flights from Fremont to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$567Average$805FlexibilityNo cancel feeOn-time80%
DeltaCheapest$612Average$966FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$689Average$1,227FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$693Average$1,097FlexibilityNo cancel feeOn-time76%
KLMCheapest$752Average$1,073FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$762Average$1,294FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$802Average$1,367FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$828Average$1,229FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$838Average$1,299FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$904Average$1,334FlexibilityNo cancel feeOn-time71%

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