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$452+ Cheap flights from Riverside, 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IST
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Istanbul are usually found in January or February, booked 89 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Riverside to Istanbul

Cheapest flights from Riverside to Istanbul
Explore the most affordable flight options available from Riverside to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This Justfly.com deal was found by Cheapflights users on 2/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:30 pm
LAX
-
IST
1 stop22h 35m
Lufthansa
Mon 5/43:45 am
IST
-
LAX
2 stops19h 25m
Lufthansa
Deal found 2/13$555
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:55 pm
LAX
-
IST
1 stop18h 10m
British Airways
Tue 4/218:15 am
IST
-
LAX
1 stop20h 05m
British Airways
Deal found 2/12$561
This American Airlines deal was found by Cheapflights users on 2/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:20 pm
LAX
-
IST
1 stop18h 45m
American Airlines
Tue 4/148:15 am
IST
-
LAX
1 stop22h 05m
American Airlines
Deal found 2/12$562
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:55 pm
LAX
-
IST
1 stop18h 10m
British Airways
Wed 4/228:15 am
IST
-
LAX
1 stop20h 05m
British Airways
Deal found 2/12$563
This British Airways deal was found by Cheapflights users on 2/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:55 pm
LAX
-
IST
1 stop17h 30m
British Airways
Thu 4/238:05 pm
IST
-
LAX
1 stop27h 40m
British Airways
Deal found 2/13$564
This American Airlines deal was found by Cheapflights users on 2/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:50 pm
LAX
-
IST
2 stops19h 35m
American Airlines
Wed 4/158:15 am
IST
-
LAX
1 stop22h 05m
American Airlines
Deal found 2/13$567
This Justfly.com deal was found by Cheapflights users on 2/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:30 pm
LAX
-
IST
2 stops17h 45m
Lufthansa
Tue 4/141:55 pm
IST
-
LAX
2 stops20h 03m
Lufthansa
Deal found 2/15$568
This Justfly.com deal was found by Cheapflights users on 2/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:30 pm
LAX
-
IST
2 stops17h 45m
Lufthansa
Thu 5/73:45 am
IST
-
LAX
2 stops23h 28m
Lufthansa
Deal found 2/15$570
This Justfly.com deal was found by Cheapflights users on 2/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:30 pm
LAX
-
IST
1 stop22h 35m
Lufthansa
Mon 4/205:55 pm
IST
-
LAX
2 stops33h 56m
Lufthansa
Deal found 2/16$571
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:30 pm
LAX
-
IST
2 stops24h 35m
Lufthansa
Mon 4/203:45 am
IST
-
LAX
2 stops24h 06m
Lufthansa
Deal found 2/15$572
This British Airways deal was found by Cheapflights users on 2/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/174:30 pm
LAX
-
IST
1 stop22h 30m
British Airways
Tue 3/247:35 am
IST
-
LAX
2 stops24h 25m
British Airways
Deal found 2/12$574
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 pm
LAX
-
IST
1 stop23h 30m
Delta
Wed 4/226:00 am
IST
-
LAX
1 stop18h 45m
Delta
Deal found 2/13$576

Find flight deals from Riverside to Istanbul

Keep the following information in mind while searching for Riverside to Istanbul flight deals. Data was last updated February 16, 2026.

Round-trip from

$555
(Justfly.com)

One-way from

$452
(KLM)

Popular in

June

Cheapest in

January

Average price

$740
From Riverside to Istanbul
Search Deals
One-way flight from Riverside to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 February 16, 2026.
Use the filters below to find and compare flights from Riverside to Istanbul that are best for you.

Fly from

Riverside

Fly to

Istanbul

Route

Depart

Return

Price

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Tue 3/17

4:30 pm-1:00 am

1 stop22h 30m

Istanbul

Tue 3/24

7:35 am-10:00 pm

2 stops24h 25m

$574

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Mon 4/27

8:30 am-9:25 pm

2 stops26h 55m

Istanbul

Fri 5/8

5:40 am-7:21 pm

2 stops23h 41m

$578

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Sun 5/3

11:45 pm-1:00 pm

2 stops27h 15m

Istanbul

Tue 5/12

1:55 pm-11:59 pm

2 stops20h 04m

$579

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Mon 4/13

11:59 pm-1:00 pm

2 stops27h 01m

Istanbul

Mon 4/20

1:55 pm-1:10 pm

1 stop33h 15m

$589

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Tue 4/28

8:15 am-1:00 pm

2 stops18h 45m

Istanbul

Thu 5/7

3:45 am-1:10 pm

2 stops19h 25m

$591

Los AngelesIstanbul

LAX - SAW

LAXSAW

Los Angeles

Mon 4/6

4:45 pm-9:00 pm

1 stop18h 15m

Istanbul Sabiha Gokcen

Fri 5/8

8:50 am-2:45 pm

1 stop15h 55m

$595

Los AngelesIstanbul

LAX - SAW

LAXSAW

Los Angeles

Tue 4/7

7:00 am-5:05 pm

2 stops24h 05m

Istanbul Sabiha Gokcen

Tue 4/14

8:50 am-8:46 pm

2 stops21h 56m

$604

Los AngelesIstanbul

LAX - IST

LAXIST

Los Angeles

Thu 4/16

8:55 pm-12:40 am

1 stop17h 45m

Istanbul

Wed 4/22

8:15 am-6:20 pm

1 stop20h 05m

$614

Los AngelesIstanbul

LAX - SAW

LAXSAW

Los Angeles

Mon 4/27

4:45 pm-9:00 pm

1 stop18h 15m

Istanbul Sabiha Gokcen

Sat 5/9

8:50 am-2:45 pm

1 stop15h 55m

$620

Los AngelesIstanbul

LAX - SAW

LAXSAW

Los Angeles

Tue 4/7

3:50 pm-9:00 pm

2 stops19h 10m

Istanbul Sabiha Gokcen

Wed 4/22

8:50 am-8:41 pm

2 stops21h 51m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 43 results
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Best time to book a flight from Riverside to Istanbul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Istanbul. Price data was last updated on February 13, 2026.

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Istanbul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Riverside to Istanbul (average of $513). Flying from Riverside to Istanbul in July is currently the most expensive (average of $901). 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 R1V to IST?

Find hourly flight availability from Riverside 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 February 16, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 20% on flights from Riverside to Istanbul by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Riverside to Istanbul. Price data was last updated on May 18, 2025.

Travelers seeking maximum savings on their Riverside to Istanbul flight should consider departing on Thursday mornings 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 Riverside to Istanbul

Explore weekly flight availability from Riverside 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 February 16, 2026.

The most flights from R1V to TR5 are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 February 16, 2026.
Get a feel of what it's like to fly with KLM, LOT, and Turkish Airlines from Riverside to Istanbul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,455 reviews
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
LOT
7.5
Good
1,181 reviews
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,219 reviews
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,786 reviews
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,750 reviews
KLM
7.7
Good
1,455 reviews

Food

7.3

Comfort

7.6

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside to Istanbul?

    Airlines like British Airways, United Airlines, and Lufthansa fly from Riverside to Istanbul in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 8h 10m. There are 6832 mi between Riverside and Istanbul. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $396 on Lufthansa. Other airlines that offer cheap prices include United Airlines from $461 and Delta from $465 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Riverside to Istanbul on time: Uzbekistan Airways (59%), Thai Airways (59%), Turkish Airlines (59%).

  • What are the cheapest flights from Riverside to Istanbul?

    Looking at all options, your cheapest flight can be booked for $386. While the most popular route (Los Angeles - Istanbul) can be booked for $532 on average, our data indicates $2,455 when flying from Riverside to Istanbul.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Istanbul?

    Currently, January is the cheapest month in which you can book a flight from Riverside to Istanbul (average of $513). Flying from Riverside to Istanbul in July is currently the most expensive (average of $901). 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

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Top 10 airlines flying from Riverside to Istanbul

Discover the top 10 airlines that operate flights from Riverside 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest$511Average$923FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$518Average$989FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$530Average$763FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$556Average$976FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$558Average$835FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$560Average$1,212FlexibilityNo cancel feeOn-time69%
KLMCheapest$603Average$880FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$657Average$1,029FlexibilityNo cancel feeOn-time77%
DeltaCheapest$672Average$1,108FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$680Average$893FlexibilityNo cancel feeOn-time77%

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