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$504+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IST
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Istanbul are usually found in March or November, booked 71 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap 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 December 15, 2025.

This KLM deal was found by Cheapflights users on 12/13. 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.
Mon 12/293:40 pmSFO - IST
1 stop25h 10mKLM
Mon 1/265:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 12/13$724
This Air France deal was found by Cheapflights users on 12/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmSFO - IST
1 stop25h 10mMultiple Airlines
Mon 1/265:55 pmIST - SFO
2 stops34h 52mMultiple Airlines
Deal found 12/13$734
This KLM deal was found by Cheapflights users on 12/13. 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.
Sat 12/273:40 pmSFO - IST
1 stop25h 10mKLM
Tue 1/204:50 amIST - SFO
1 stop19h 35mKLM
Deal found 12/13$776
This KLM deal was found by Cheapflights users on 12/13. 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.
Sun 12/283:40 pmSFO - IST
1 stop25h 10mKLM
Tue 1/135:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 12/13$785
This KLM deal was found by Cheapflights users on 12/13. 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.
Sat 12/273:40 pmSFO - IST
1 stop25h 10mMultiple Airlines
Tue 1/204:50 amIST - SFO
2 stops23h 53mMultiple Airlines
Deal found 12/13$786
This Air France deal was found by Cheapflights users on 12/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:40 pmSFO - IST
1 stop25h 10mMultiple Airlines
Tue 1/135:55 pmIST - SFO
2 stops34h 48mMultiple Airlines
Deal found 12/13$795
This KLM deal was found by Cheapflights users on 12/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:40 pmSFO - IST
1 stop25h 10mKLM
Tue 1/205:55 pmIST - SFO
1 stop28h 55mKLM
Deal found 12/14$854
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Sat 12/277:55 pmSFO - SAW
1 stop30h 55mMultiple Airlines
Tue 1/1310:05 amSAW - SFO
2 stops39h 25mMultiple Airlines
Deal found 12/14$1,158
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Sat 12/274:40 pmSFO - SAW
1 stop16h 25mMultiple Airlines
Thu 1/159:05 amSAW - SFO
1 stop16h 30mMultiple Airlines
Deal found 12/14$1,197
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/294:40 pmSFO - SAW
1 stop16h 30mMultiple Airlines
Mon 1/269:40 pmSAW - SFO
2 stops26h 00mMultiple Airlines
Deal found 12/13$1,273
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Mon 12/155:20 pmSFO - SAW
2 stops20h 05mMultiple Airlines
Wed 12/2412:50 pmSAW - SFO
1 stop18h 20mMultiple Airlines
Deal found 12/12$1,316
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmSFO - SAW
1 stop36h 15mEmirates
Mon 1/263:55 pmSAW - SFO
1 stop31h 55mEmirates
Deal found 12/13$1,319

Find flight deals from Fremont to Istanbul

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

Round-trip from

$669
(FlightHub)

One-way from

$504
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,337
From Fremont to Istanbul
Search Deals
One-way flight from Fremont to Istanbul
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 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 - SAW

SFOSAW

San Francisco

Mon 3/9

2:55 pm-5:25 pm

1 stop16h 30m

Istanbul Sabiha Gokcen

Tue 3/31

8:50 am-11:45 am

1 stop36h 55m

$719

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Sat 1/10

1:55 pm-9:20 pm

1 stop20h 25m

Istanbul Sabiha Gokcen

Sat 1/31

12:55 pm-11:50 am

1 stop33h 55m

$720

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Tue 1/13

1:55 pm-12:10 am

1 stop23h 15m

Istanbul Sabiha Gokcen

Tue 1/20

12:55 pm-11:50 am

1 stop33h 55m

$720

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Tue 1/13

1:55 pm-12:10 am

1 stop23h 15m

Istanbul Sabiha Gokcen

Wed 2/11

4:00 pm-11:50 am

1 stop30h 50m

$720

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Sat 1/10

1:55 pm-12:10 am

1 stop23h 15m

Istanbul Sabiha Gokcen

Thu 1/15

9:00 am-11:50 am

1 stop37h 50m

$720

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Mon 1/19

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

Thu 1/22

4:50 am-1:25 pm

1 stop19h 35m

$723

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Thu 2/26

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

Mon 3/30

4:25 am-6:00 pm

1 stop23h 35m

$723

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Wed 1/28

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

Wed 2/4

4:50 am-1:25 pm

1 stop19h 35m

$723

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Mon 2/23

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

Fri 2/27

4:50 am-1:25 pm

1 stop19h 35m

$723

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Fri 2/27

3:40 pm-3:50 am

1 stop25h 10m

Istanbul

Fri 3/6

4:50 am-1:25 pm

1 stop19h 35m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 40 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 December 12, 2025.

The best time to book flights from Fremont to Istanbul is 71 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, November is the cheapest month in which you can book a flight from Fremont to Istanbul (average of $614). Flying from Fremont to Istanbul in June is currently the most expensive (average of $969). 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 December 15, 2025.

It’s typically best to fly out from Fremont to Istanbul in the evening. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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 Wednesday afternoons when fares are most often at their lowest. Friday 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 December 15, 2025.

The most flights from FR8 to TR5 are scheduled on a Tuesday (6 on average). You will have fewer flight options on Monday, 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 December 15, 2025.
Read through reviews of airlines operating flights from Fremont to Istanbul, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
9,092 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
4,098 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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
7,628 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

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 16h 30m. Fly via KLM to get the fastest option. Fremont and Istanbul are separated by a distance of 6719 mi.

  • What are the cheapest airlines to fly from Fremont to Istanbul one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $446. Turkish Airlines flights start at $509 while deals on British Airways start at $519 one-way.

  • 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 (75%), Pakistan International Airlines (75%) or IndiGo (75%) 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 $2,378, our data shows the cheapest flight currently is $478. When looking at the most popular route, (San Francisco - Istanbul), you can expect to pay $603 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, November is the cheapest month in which you can book a flight from Fremont to Istanbul (average of $614). Flying from Fremont to Istanbul in June is currently the most expensive (average of $969). 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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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$567Average$805FlexibilityNo cancel feeOn-time80%
KLMCheapest$637Average$851FlexibilityNo cancel feeOn-time75%
DeltaCheapest$670Average$996FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$692Average$1,184FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$713Average$1,234FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$729Average$1,223FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$732Average$1,367FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$762Average$1,220FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$877Average$1,300FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$914Average$1,173FlexibilityNo cancel feeOn-time68%

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