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Kos

$382+ Cheap flights from San Francisco (SFO) to Kos (KGS)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KGS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$876
(Mytrip)

One-way from

$382
(Kiwi.com)
From San Francisco to Kos
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One-way flight 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 August 20, 2025.

This Ovago deal was found by Cheapflights users on 8/20. 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.
Thu 8/282:20 pmSFO - KGS
1 stop14h 50mSWISS
Tue 9/98:30 pmKGS - SFO
1 stop29h 40mSWISS
Deal found 8/20$1,083
This United deal was found by Cheapflights users on 8/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:20 pmSFO - KGS
1 stop33h 30mMultiple Airlines
Tue 9/98:30 pmKGS - SFO
2 stops52h 58mMultiple Airlines
Deal found 8/20$1,108
This Emirates deal was found by Cheapflights users on 8/19. 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 8/19$1,739
This Emirates deal was found by Cheapflights users on 8/19. 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 10/35:05 pmSFO - KGS
2 stops38h 25mEmirates
Fri 10/1011:25 amKGS - SFO
2 stops36h 35mEmirates
Deal found 8/19$2,271
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:19 pmSFO - KGS
2 stops49h 31mMultiple Airlines
Tue 10/710:35 amKGS - SFO
1 stop37h 55mMultiple Airlines
Deal found 8/19$2,366
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:30 pmSFO - KGS
1 stop16h 10mMultiple Airlines
Wed 10/88:35 amKGS - SFO
2 stops39h 55mMultiple Airlines
Deal found 8/19$2,411
This KAYAK deal was found by Cheapflights users on 8/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:05 pmSFO - KGS
2 stops37h 40mAustrian Airlines
Wed 10/89:40 pmKGS - SFO
2 stops55h 40mAustrian Airlines
Deal found 8/19$2,492
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:30 pmSFO - KGS
1 stop16h 10mMultiple Airlines
Thu 10/911:15 amKGS - SFO
2 stops46h 43mMultiple Airlines
Deal found 8/19$2,646

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 August 20, 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

Thu 8/28

2:20 pm-3:10 pm

1 stop14h 50m

Kos

Tue 9/9

8:30 pm-4:10 pm

1 stop29h 40m

$1,083

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Thu 8/28

1:20 pm-8:50 am

1 stop33h 30m

Kos

Tue 9/9

8:30 pm-3:28 pm

2 stops52h 58m

$1,108

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 10/3

5:05 pm-5:30 pm

2 stops38h 25m

Kos

Fri 10/10

11:25 am-2:00 pm

2 stops36h 35m

$2,271

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 10/1

9:19 pm-8:50 am

2 stops49h 31m

Kos

Tue 10/7

10:35 am-2:30 pm

1 stop37h 55m

$2,366

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 10/1

4:30 pm-6:40 pm

1 stop16h 10m

Kos

Wed 10/8

8:35 am-2:30 pm

2 stops39h 55m

$2,411

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 10/1

9:05 pm-8:45 pm

2 stops37h 40m

Kos

Wed 10/8

9:40 pm-7:20 pm

2 stops55h 40m

$2,492

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 10/1

4:30 pm-6:40 pm

1 stop16h 10m

Kos

Thu 10/9

11:15 am-11:58 pm

2 stops46h 43m

$2,646

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 10/3

2:12 pm-11:55 pm

3 stops47h 43m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

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?

    SWISS and Emirates can get you from San Francisco to Kos in just under 14h 50m. Your travel time can differ by up to 23h 35m. The distance between San Francisco and Kos is about 6932 mi. This flight may include one or multiple stops.

  • 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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Alternative routes for San Francisco to Kos

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