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Kos

$905+ Cheap flights from San Francisco (SFO) 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KGS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from San Francisco to Kos

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$905
(Ovago)
From San Francisco to Kos
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Find flight deals from San Francisco to Kos

Cheapest flights from San Francisco to Kos
Explore the most affordable flight options available from San Francisco to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmSFO - KGS
2 stops39h 25mEmirates
Tue 12/912:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 9/14$1,802
This Emirates deal was found by Cheapflights users on 9/13. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:45 pmSFO - KGS
2 stops63h 20mEmirates
Tue 11/412:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 9/13$2,847
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:45 pmSFO - KGS
2 stops39h 20mEmirates
Wed 11/512:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 9/14$3,555
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:45 pmSFO - KGS
2 stops38h 20mEmirates
Thu 11/612:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 9/15$3,605
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:05 pmSFO - KGS
2 stops38h 25mEmirates
Thu 10/211:25 amKGS - SFO
2 stops36h 35mEmirates
Deal found 9/15$4,391

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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 September 15, 2025.
Use the filters below to find and compare flights from San Francisco to Kos that are best for you.

Fly from

San Francisco

Fly to

Kos

Route

Depart

Return

Price

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

$1,802

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Tue 10/28

4:45 pm-5:05 pm

2 stops63h 20m

Kos

Tue 11/4

12:35 pm-12:50 pm

2 stops34h 15m

$2,847

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 10/29

4:45 pm-5:05 pm

2 stops39h 20m

Kos

Wed 11/5

12:35 pm-12:50 pm

2 stops34h 15m

$3,555

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Thu 10/30

4:45 pm-4:05 pm

2 stops38h 20m

Kos

Thu 11/6

12:35 pm-12:50 pm

2 stops34h 15m

$3,605

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Mon 9/29

5:05 pm-5:30 pm

2 stops38h 25m

Kos

Thu 10/2

11:25 am-2:00 pm

2 stops36h 35m

$4,391

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Sun 10/5

5:05 pm-5:30 pm

2 stops38h 25m

$2,125

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from San Francisco to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from San Francisco 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Kos. 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 San Francisco to Kos?

    Emirates can get you from San Francisco to Kos in just under 39h 25m. Your travel time can differ by up to . The distance between San Francisco and Kos is about 6932 mi.

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

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

  • How can I find direct flights from San Francisco to Kos?

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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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