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$566+ Cheap flights from Riverside, CA to Kos (KGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Riverside to Kos

Keep the following information in mind while searching for Riverside to Kos flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$690
(FlightHub)
From Riverside to Kos
Search Deals

Find flight deals from Riverside to Kos

Cheapest flights from Riverside to Kos
Explore the most affordable flight options available from Riverside to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/258:05 amLAX - KGS
2 stops22h 15mMultiple Airlines
mié. 10/18:40 pmKGS - LAX
1 stop29h 50mMultiple Airlines
Deal found 9/14$566
This Ovago deal was found by Cheapflights users on 9/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:30 pmLAX - KGS
1 stop15h 35mMultiple Airlines
mar. 10/148:30 pmKGS - LAX
1 stop30h 00mMultiple Airlines
Deal found 9/16$585
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/35:30 pmLAX - KGS
1 stop15h 55mMultiple Airlines
sáb. 10/116:45 pmKGS - LAX
1 stop28h 20mMultiple Airlines
Deal found 9/15$690
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/314:20 pmLAX - KGS
2 stops19h 55mMultiple Airlines
vie. 11/79:45 pmKGS - LAX
2 stops25h 45mMultiple Airlines
Deal found 9/16$758
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/45:30 pmLAX - KGS
1 stop32h 20mMultiple Airlines
sáb. 10/116:45 pmKGS - LAX
1 stop28h 20mMultiple Airlines
Deal found 9/14$782
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/74:40 pmLAX - KGS
2 stops31h 30mSWISS
mar. 10/148:30 pmKGS - LAX
2 stops29h 45mSWISS
Deal found 9/16$886

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Kos 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 16, 2025.
Use the filters below to find and compare flights from Riverside to Kos that are best for you.

Fly from

Riverside

Fly to

Kos

Route

Depart

Return

Price

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

jue. 9/25

8:05 am-4:20 pm

2 stops22h 15m

Kos

mié. 10/1

8:40 pm-4:30 pm

1 stop29h 50m

$566

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

mar. 10/7

5:30 pm-7:05 pm

1 stop15h 35m

Kos

mar. 10/14

8:30 pm-4:30 pm

1 stop30h 00m

$585

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

vie. 10/3

5:30 pm-7:25 pm

1 stop15h 55m

Kos

sáb. 10/11

6:45 pm-1:05 pm

1 stop28h 20m

$690

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

vie. 10/31

4:20 pm-9:15 pm

2 stops19h 55m

Kos

vie. 11/7

9:45 pm-1:30 pm

2 stops25h 45m

$758

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

sáb. 10/4

5:30 pm-11:50 am

1 stop32h 20m

Kos

sáb. 10/11

6:45 pm-1:05 pm

1 stop28h 20m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Riverside to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos 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 Kos
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. 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 Kos. Reviews last updated septiembre 16, 2025.
Get a feel of what it's like to fly with Lufthansa from Riverside to Kos by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,407 reviews

Comfort

6.8

Overall

6.8

Entertainment

6.4

Food

6.3

Crew

7.6

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,407 reviews
Lufthansa
6.8
Okay
7,407 reviews

Comfort

6.8

Overall

6.8

Entertainment

6.4

Food

6.3

Crew

7.6

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

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

  • What airport do you fly into for flights to Kos from Riverside?

    Located just 12.8 mi from the city center, Kos is the airport most travelers will use when flying to Kos from Riverside. Booking flights from Riverside to Kos (KGS) should be relatively easy as there are 0 daily inbound flights from Riverside from 1 airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Riverside to Kos

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Top airline flying from Riverside to Kos

Discover the top airline that operate flights from Riverside to Kos. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$602Average$846FlexibilityNo cancel feeOn-time76%

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