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Kos

$803+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/28. 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. 10/105:30 pm
LAX
-
KGS
2 stops40h 30m
Austrian Airlines
sáb. 10/176:45 pm
KGS
-
LAX
2 stops30h 30m
Austrian Airlines
Deal found 1/28$803
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
jue. 9/35:30 pm
LAX
-
KGS
2 stops29h 20m
Lufthansa
sáb. 9/129:40 am
KGS
-
LAX
2 stops20h 14m
Lufthansa
Deal found 1/27$814
This FlightHub deal was found by Cheapflights users on 1/27. 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.
jue. 9/38:40 am
LAX
-
KGS
2 stops26h 10m
Multiple Airlines
sáb. 9/129:40 am
KGS
-
LAX
1 stop16h 40m
Multiple Airlines
Deal found 1/27$841
This FlightHub deal was found by Cheapflights users on 1/28. 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. 10/107:35 pm
LAX
-
KGS
1 stop28h 35m
Multiple Airlines
sáb. 10/179:40 am
KGS
-
LAX
2 stops24h 50m
Multiple Airlines
Deal found 1/28$847
This oojo deal was found by Cheapflights users on 1/27. 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.
jue. 9/33:05 pm
LAX
-
KGS
1 stop19h 45m
Austrian Airlines
sáb. 9/126:45 pm
KGS
-
LAX
1 stop28h 20m
Austrian Airlines
Deal found 1/27$900
This Emirates deal was found by Cheapflights users on 1/26. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/293:35 pm
LAX
-
KGS
2 stops63h 30m
Emirates
lun. 2/212:35 pm
KGS
-
LAX
2 stops34h 10m
Emirates
Deal found 1/26$3,752

Find flight deals from Riverside to Kos

Keep the following information in mind while searching for Riverside to Kos flight deals. Data was last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Los Angeles-Kos flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Kos flights.
Search Deals

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 enero 29, 2026.
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
7,754 reviews

Overall

6.8

Food

6.3

Boarding

7.0

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,754 reviews
Lufthansa
6.8
Okay
7,754 reviews

Overall

6.8

Food

6.3

Boarding

7.0

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

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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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$602Average$846FlexibilityNo cancel feeOn-time76%

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