Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to Kos from $445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Kos departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to Kos

Cheap round-trip flights

Logo
3:05 pm - 9:15 amLAX-KGS
32h 10m1 stop
Logo
8:45 pm - 4:30 pmKGS-LAX
29h 45m1 stop
$639
Find Deal
Sun, Aug 10 - Sat, Aug 23
Logo
5:30 pm - 9:15 amLAX-KGS
29h 45m2 stops
Logo
8:45 pm - 4:30 pmKGS-LAX
29h 45m1 stop
$671
Find Deal
Sun, Aug 10 - Sat, Aug 23
Logo
8:05 am - 10:15 amLAX-KGS
40h 10m2 stops
Logo
7:25 pm - 1:00 pmKGS-LAX
27h 35m2 stops
$694
Find Deal
Sun, Aug 10 - Sat, Aug 23
Austrian Airlines Logo
5:30 pm - 8:00 pmLAX-KGS
40h 30m2 stops
Austrian Airlines Logo
6:45 pm - 1:05 pmKGS-LAX
28h 20m1 stop
$825Austrian Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
3:05 pm - 9:15 amLAX-KGS
32h 10m1 stop
Logo
9:40 am - 4:55 pmKGS-LAX
17h 15m1 stop
$834
Find Deal
Sun, Aug 10 - Sat, Aug 23
Austrian Airlines Logo
5:30 pm - 8:00 pmLAX-KGS
40h 30m2 stops
Austrian Airlines Logo
6:45 pm - 1:00 pmKGS-LAX
28h 15m2 stops
$843Austrian Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
SWISS Logo
7:35 pm - 10:10 amLAX-KGS
28h 35m1 stop
SWISS Logo
8:45 pm - 4:30 pmKGS-LAX
29h 45m1 stop
$891SWISS
Find Deal
Sat, Sep 13 - Sat, Sep 20
SWISS Logo
7:55 pm - 7:40 pmSFO-KGS
37h 45m2 stops
SWISS Logo
3:15 pm - 4:10 pmKGS-SFO
34h 55m1 stop
$915SWISS
Find Deal
Sun, Sep 14 - Sun, Sep 21
Emirates Logo
3:40 pm - 5:05 pmSFO-KGS
39h 25m2 stops
Emirates Logo
12:35 pm - 12:50 pmKGS-SFO
34h 15m2 stops
$1,818Emirates
Find Deal
Fri, Dec 5 - Tue, Dec 9
Emirates Logo
3:40 pm - 5:05 pmSFO-KGS
39h 25m2 stops
Emirates Logo
12:35 pm - 12:50 pmKGS-SFO
34h 15m2 stops
$1,819Emirates
Find Deal
Fri, Dec 5 - Tue, Dec 9

SWISS flights from California to Kos

Our best SWISS deals on California to Kos flight tickets
SWISS
Sep 13
LAX7:35 pmLos Angeles
28h 35m
1 stop
KGS10:10 amKos
Sep 20
KGS8:45 pmKos
29h 45m
1 stop
LAX4:30 pmLos Angeles
$891
Find similar
SWISS
Sep 14
SFO7:55 pmSan Francisco
37h 45m
2 stops
KGS7:40 pmKos
Sep 21
KGS3:15 pmKos
34h 55m
1 stop
SFO4:10 pmSan Francisco
$915
Find similar
SWISS
Sep 12
SFO7:30 pmSan Francisco
33h 00m
1 stop
KGS2:30 pmKos
Sep 19
KGS3:55 pmKos
38h 15m
2 stops
SFO8:10 pmSan Francisco
$960
Find similar

Austrian Airlines flights from California to Kos

Our best Austrian Airlines deals on California to Kos flight tickets
Austrian Airlines
Sep 13
LAX5:30 pmLos Angeles
40h 30m
2 stops
KGS8:00 pmKos
Sep 20
KGS6:45 pmKos
28h 20m
1 stop
LAX1:05 pmLos Angeles
$825
Find similar
Austrian Airlines
Sep 13
LAX5:30 pmLos Angeles
40h 30m
2 stops
KGS8:00 pmKos
Sep 20
KGS6:45 pmKos
28h 15m
2 stops
LAX1:00 pmLos Angeles
$843
Find similar
Austrian Airlines
Sep 14
SFO2:40 pmSan Francisco
19h 20m
2 stops
KGS8:00 pmKos
Sep 21
KGS10:00 amKos
60h 40m
2 stops
SFO12:40 pmSan Francisco
$875
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from California to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sun 8/10

3:05 pm-9:15 am

1 stop32h 10m

Kos

Sat 8/23

8:45 pm-4:30 pm

1 stop29h 45m

$639

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sun 8/10

5:30 pm-9:15 am

2 stops29h 45m

Kos

Sat 8/23

8:45 pm-4:30 pm

1 stop29h 45m

$671

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sun 8/10

8:05 am-10:15 am

2 stops40h 10m

Kos

Sat 8/23

7:25 pm-1:00 pm

2 stops27h 35m

$694

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sat 9/13

5:30 pm-8:00 pm

2 stops40h 30m

Kos

Sat 9/20

6:45 pm-1:05 pm

1 stop28h 20m

$825

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sun 8/10

3:05 pm-9:15 am

1 stop32h 10m

Kos

Sat 8/23

9:40 am-4:55 pm

1 stop17h 15m

$834

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sat 9/13

5:30 pm-8:00 pm

2 stops40h 30m

Kos

Sat 9/20

6:45 pm-1:00 pm

2 stops28h 15m

$843

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sat 9/13

7:35 pm-10:10 am

1 stop28h 35m

Kos

Sat 9/20

8:45 pm-4:30 pm

1 stop29h 45m

$891

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Sun 9/14

7:55 pm-7:40 pm

2 stops37h 45m

Kos

Sun 9/21

3:15 pm-4:10 pm

1 stop34h 55m

$915

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 12/5

3:40 pm-5:05 pm

2 stops39h 25m

Kos

Tue 12/9

12:35 pm-12:50 pm

2 stops34h 15m

$1,818

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 12/5

3:40 pm-5:05 pm

2 stops39h 25m

Kos

Tue 12/9

12:35 pm-12:50 pm

2 stops34h 15m

$1,819

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Kos from

How to get the cheapest flight ticket from California to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from California to Kos?

SWISS and Austrian Airlines are the most popular carriers operating from California to Kos

Cheap California to Kos flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Kos

Best Price Found

$445

Fastest flight time

19h 20m

Direct flights

None

Airports in Kos

1 airport
The best one-way flight to Kos from California in the past 72 hours is $445. The best round-trip flight deal from California to Kos found on momondo in the last 72 hours is $639.
The fastest flight from California to Kos takes 19h 20m
There are no direct flights from California to Kos. Popular non-direct routes for this connection are Los Angeles Airport - Kos Airport and San Francisco Airport - Kos Airport.
There is 1 airport near Kos: Kos (KGS)
Search flight deals

  • When did momondo last update prices for flights from California to Kos Airport?

    Prices for flights from California to Kos Airport refresh daily.

  • How many operators does momondo search for flights from California to Kos Airport?

  • How old do you have to be to fly from California to Kos Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The required travel and health documents for your Kos Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kos Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Kos

Compare and see reviews for airlines that fly from California to Kos with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $602Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Kardamena
Marmari

Why use momondo?

Why should I use momondo to find a flight deal from California to Kos?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Kos. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from California to Kos with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kos from California with this policy.

How can momondo help me find flights from California to Kos?

momondo provides multiple filters to help you find the best flight to Kos from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from California to Kos right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Kos flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece