HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$493+ 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
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Istanbul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Fremont to Istanbul are usually found in March or November, booked 44 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 October 30, 2025.

Round-trip from

$693
(United Airlines)

One-way from

$493
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,059
From Fremont to Istanbul
Search Deals
One-way flight from Fremont to Istanbul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/29. 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.
Sun 11/91:10 pmSFO - IST
Nonstop13h 15mTurkish Airlines
Wed 11/191:50 pmIST - SFO
Nonstop13h 55mTurkish Airlines
Deal found 10/29$693
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Mon 12/18:30 amSFO - IST
3 stops28h 50mMultiple Airlines
Mon 12/810:00 pmIST - SFO
3 stops34h 22mMultiple Airlines
Deal found 10/29$697
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/288:25 amSFO - SAW
3 stops24h 40mMultiple Airlines
Fri 12/59:05 amSAW - SFO
2 stops21h 30mMultiple Airlines
Deal found 10/29$698
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/198:30 amSFO - IST
3 stops25h 30mMultiple Airlines
Mon 11/2410:00 pmIST - SFO
2 stops32h 35mMultiple Airlines
Deal found 10/29$698
This Lufthansa deal was found by Cheapflights users on 10/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:35 pmSFO - IST
1 stop22h 10mLufthansa
Sat 12/66:30 amIST - SFO
1 stop17h 10mLufthansa
Deal found 10/29$699
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:50 pmSFO - IST
Nonstop13h 10mTurkish Airlines
Thu 12/111:50 pmIST - SFO
Nonstop13h 55mTurkish Airlines
Deal found 10/29$700
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/288:25 amSFO - SAW
3 stops24h 40mMultiple Airlines
Thu 12/49:05 amSAW - SFO
2 stops21h 30mMultiple Airlines
Deal found 10/29$701
This IEagle deal was found by Cheapflights users on 10/29. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:50 pmSFO - IST
Nonstop13h 10mTurkish Airlines
Thu 11/278:05 amIST - SFO
Nonstop14h 00mTurkish Airlines
Deal found 10/29$701
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Tue 12/28:25 amSFO - IST
3 stops23h 00mMultiple Airlines
Mon 12/810:00 pmIST - SFO
2 stops25h 40mMultiple Airlines
Deal found 10/29$702
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:45 pmSFO - IST
2 stops21h 00mLufthansa
Mon 12/86:30 amIST - SFO
2 stops24h 05mLufthansa
Deal found 10/29$705
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/288:25 amSFO - SAW
3 stops24h 40mMultiple Airlines
Sat 12/69:05 amSAW - SFO
2 stops21h 30mMultiple Airlines
Deal found 10/29$706
This Lufthansa deal was found by Cheapflights users on 10/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:25 pmSFO - IST
2 stops18h 20mLufthansa
Wed 12/36:30 amIST - SFO
1 stop17h 10mLufthansa
Deal found 10/30$707

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 October 30, 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

Wed 2/25

11:35 am-4:55 pm

2 stops18h 20m

Istanbul

Wed 3/11

5:55 pm-2:25 pm

2 stops30h 30m

$708

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Sat 4/25

1:00 pm-3:40 am

2 stops28h 40m

Istanbul

Thu 4/30

4:30 am-8:19 pm

2 stops25h 49m

$717

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Wed 4/22

11:05 am-3:40 am

2 stops30h 35m

Istanbul

Mon 4/27

4:30 am-8:19 pm

2 stops25h 49m

$717

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Mon 11/17

1:55 pm-4:55 pm

1 stop16h 00m

Istanbul

Sun 12/7

4:50 am-1:25 pm

1 stop19h 35m

$724

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Sat 11/29

1:55 pm-4:55 pm

1 stop16h 00m

Istanbul

Wed 12/17

4:50 am-4:12 pm

2 stops22h 22m

$728

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Thu 1/15

1:55 pm-5:25 pm

1 stop16h 30m

Istanbul Sabiha Gokcen

Sun 1/18

9:00 am-9:02 pm

2 stops23h 02m

$730

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Sun 1/4

2:40 pm-6:05 pm

1 stop16h 25m

Istanbul

Fri 2/13

6:30 am-3:55 pm

1 stop20h 25m

$731

San FranciscoIstanbul

SFO - SAW

SFOSAW

San Francisco

Thu 11/13

11:45 am-5:25 pm

2 stops18h 40m

Istanbul Sabiha Gokcen

Tue 11/18

9:00 am-8:56 pm

2 stops22h 56m

$734

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Sat 2/21

10:10 am-4:55 pm

2 stops19h 45m

Istanbul

Mon 3/2

4:50 am-4:29 pm

2 stops22h 39m

$738

San FranciscoIstanbul

SFO - IST

SFOIST

San Francisco

Thu 2/26

2:40 pm-10:45 pm

1 stop21h 05m

Istanbul

Thu 3/12

6:30 am-5:30 pm

2 stops21h 00m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 41 results
1
2
3
...
5

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 October 24, 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, 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 $965). 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 October 30, 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.

How much does it cost to fly round-trip from Fremont to Istanbul?

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 October 30, 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
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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
7,993 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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
8,998 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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
4,031 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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
7,541 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

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 18h 20m. Fly via KLM or Scandinavian Airlines to get the fastest option. Fremont and Istanbul are separated by a distance of 6684 mi. This flight may include one or multiple stops.

  • 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 (66%), Pakistan International Airlines (66%) or IndiGo (66%) 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 $2,246, our data shows the cheapest flight currently is $398. When looking at the most popular route, (San Francisco - Istanbul), you can expect to pay $36 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 $965). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Istanbul flights
San Francisco to Istanbul flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Sabiha Gokcen flights
Ontario to Istanbul flights
San Jose to Istanbul flights
Santa Ana to Istanbul flights
Burbank to Istanbul flights
Oakland to Istanbul flights
San Jose to Sabiha Gokcen flights
Oakland to Sabiha Gokcen flights
Burbank to Sabiha Gokcen flights
Ontario to Sabiha Gokcen flights
Las Vegas to Istanbul flights
San Diego to Istanbul flights
Sacramento to Istanbul flights
Las Vegas to Sabiha Gokcen flights
San Diego to Sabiha Gokcen flights
Sacramento to Sabiha Gokcen flights
Los Angeles to Antalya flights
San Francisco to Izmir flights
San Francisco to Antalya flights
Los Angeles to Izmir flights
Reno to Istanbul flights
San Jose to Izmir flights
Los Angeles to Ankara flights
San Francisco to Ankara flights
San Jose to Antalya flights
San Francisco to Gazipaşa flights
San Francisco to Samsun flights
Oakland to Antalya flights
Las Vegas to Antalya flights
San Francisco to Kayseri flights
San Luis Obispo to Istanbul flights
Long Beach to Istanbul flights
Reno to Sabiha Gokcen flights
San Francisco to Dalaman flights
Los Angeles to Trabzon flights
San Diego to Izmir flights
Los Angeles to Dalaman flights
San Francisco to Konya flights
San Francisco to Mardin flights
Los Angeles to Bodrum flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapest$567Average$805FlexibilityNo cancel feeOn-time80%
DeltaCheapest$666Average$991FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$710Average$1,126FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$713Average$1,234FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$732Average$1,367FlexibilityNo cancel feeOn-time77%
KLMCheapest$732Average$938FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$762Average$1,294FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$806Average$1,231FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$918Average$1,170FlexibilityNo cancel feeOn-time68%
British AirwaysCheapest$927Average$1,309FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights