$1,763+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KGS
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from San Francisco to Kos with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Kos
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Last-minute
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Cheapest flights from San Francisco to KosExplore 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 February 5, 2026.
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 February 5, 2026.
This Emirates deal was found by Cheapflights users on 2/3. 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 3/43:40 pm
SFO
- KGS
2 stops39h 25m
Emirates
Sun 3/82:20 pm
KGS
- SFO
2 stops32h 30m
Emirates
Deal found 2/3![Emirates logo]()
$1,763
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sat 3/214:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sat 3/2812:35 pm
KGS
- SFO
2 stops34h 25m
Emirates
Deal found 2/4![Emirates logo]()
$2,358
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sun 3/224:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sun 3/291:05 pm
KGS
- SFO
2 stops34h 55m
Emirates
Deal found 2/4![Emirates logo]()
$3,611
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:15 pm
SFO
- KGS
2 stops37h 40m
Multiple Airlines
Sat 7/114:30 pm
KGS
- SFO
2 stops31h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$4,907
This business-class.com deal was found by Cheapflights users on 2/5. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:40 pm
SFO
- KGS
2 stops19h 05m
Multiple Airlines
Tue 7/78:30 pm
KGS
- SFO
1 stop29h 45m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$5,906
This business-class.com deal was found by Cheapflights users on 2/5. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:35 pm
SFO
- KGS
1 stop32h 55m
SWISS
Tue 7/78:30 pm
KGS
- SFO
1 stop29h 45m
SWISS
Deal found 2/5![SWISS logo]()
$5,909
This BusinessClass deal was found by Cheapflights users on 2/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:40 pm
SFO
- KGS
1 stop33h 45m
Lufthansa
Sat 7/119:40 am
KGS
- SFO
2 stops20h 57m
Lufthansa
Deal found 2/5![Lufthansa logo]()
$5,996
This KAYAK deal was found by Cheapflights users on 2/5. 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.
Tue 6/307:35 pm
SFO
- KGS
1 stop28h 35m
SWISS
Tue 7/148:30 pm
KGS
- SFO
1 stop29h 45m
SWISS
Deal found 2/5![SWISS logo]()
$6,034
Best flights from San Francisco to KosDiscover carefully curated flight deals from San Francisco to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from San Francisco to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Emirates deal was found by Cheapflights users on 2/3. 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 3/43:40 pm
SFO
- KGS
2 stops39h 25m
Emirates
Sun 3/82:20 pm
KGS
- SFO
2 stops32h 30m
Emirates
Deal found 2/3![Emirates logo]()
$1,763
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sat 3/214:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sat 3/2812:35 pm
KGS
- SFO
2 stops34h 25m
Emirates
Deal found 2/4![Emirates logo]()
$2,358
This Orbitz deal was found by Cheapflights users on 2/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:15 pm
SFO
- KGS
2 stops37h 40m
Multiple Airlines
Sat 7/114:30 pm
KGS
- SFO
2 stops31h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$4,907
This business-class.com deal was found by Cheapflights users on 2/5. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:35 pm
SFO
- KGS
1 stop32h 55m
SWISS
Tue 7/78:30 pm
KGS
- SFO
1 stop29h 45m
SWISS
Deal found 2/5![SWISS logo]()
$5,909
This Arangrant deal was found by Cheapflights users on 2/3. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:40 pm
SFO
- KGS
1 stop33h 45m
Lufthansa
Sat 7/119:40 am
KGS
- SFO
2 stops20h 57m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$6,002
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sun 3/224:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sun 3/291:05 pm
KGS
- SFO
2 stops34h 55m
Emirates
Deal found 2/4![Emirates logo]()
$3,611
This business-class.com deal was found by Cheapflights users on 2/5. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:40 pm
SFO
- KGS
2 stops19h 05m
Multiple Airlines
Tue 7/78:30 pm
KGS
- SFO
1 stop29h 45m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$5,906
This KAYAK deal was found by Cheapflights users on 2/5. 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.
Tue 6/307:35 pm
SFO
- KGS
1 stop28h 35m
SWISS
Tue 7/148:30 pm
KGS
- SFO
2 stops33h 21m
SWISS
Deal found 2/5![SWISS logo]()
$6,044
Last-minute flights from San Francisco to KosDiscover last-minute flight deals from San Francisco to Kos. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Kos. Data last updated February 5, 2026 and is based on user searches.
This Emirates deal was found by Cheapflights users on 2/3. 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 3/43:40 pm
SFO
- KGS
2 stops39h 25m
Emirates
Sun 3/82:20 pm
KGS
- SFO
2 stops32h 30m
Emirates
Deal found 2/3![Emirates logo]()
$1,763
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sat 3/214:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sat 3/2812:35 pm
KGS
- SFO
2 stops34h 25m
Emirates
Deal found 2/4![Emirates logo]()
$2,358
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sun 3/224:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Sun 3/291:05 pm
KGS
- SFO
2 stops34h 55m
Emirates
Deal found 2/4![Emirates logo]()
$3,611
One-way flights from San Francisco to KosSearch for one-way flight options from San Francisco to Kos. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from San Francisco to Kos. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Emirates deal was found by Cheapflights users on 2/4. 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.
Sun 3/154:45 pm
SFO
- KGS
2 stops38h 25m
Emirates
Deal found 2/4![Emirates logo]()
$2,126
Find 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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,763 (Emirates) |
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 February 5, 2026.
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
Wed 3/4
3:40 pm-5:05 pm
2 stops39h 25m
Kos
Sun 3/8
2:20 pm-1:50 pm
2 stops32h 30m
$1,763
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sat 3/21
4:45 pm-4:10 pm
2 stops38h 25m
Kos
Sat 3/28
12:35 pm-2:00 pm
2 stops34h 25m
$2,358
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sun 3/22
4:45 pm-4:10 pm
2 stops38h 25m
Kos
Sun 3/29
1:05 pm-2:00 pm
2 stops34h 55m
$3,611
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sat 6/27
10:15 pm-9:55 pm
2 stops37h 40m
Kos
Sat 7/11
4:30 pm-1:50 pm
2 stops31h 20m
$4,907
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Fri 6/26
2:40 pm-7:45 pm
2 stops19h 05m
Kos
Tue 7/7
8:30 pm-4:15 pm
1 stop29h 45m
$5,906
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Fri 6/26
7:35 pm-2:30 pm
1 stop32h 55m
Kos
Tue 7/7
8:30 pm-4:15 pm
1 stop29h 45m
$5,909
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sat 6/27
2:40 pm-10:25 am
1 stop33h 45m
Kos
Sat 7/11
9:40 am-8:37 pm
2 stops20h 57m
$6,002
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Tue 6/30
7:35 pm-10:10 am
1 stop28h 35m
Kos
Tue 7/14
8:30 pm-7:51 pm
2 stops33h 21m
$6,044
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sun 3/15
4:45 pm-4:10 pm
2 stops38h 25m
$2,126
- Most accurate provider: When it comes to deals on San Francisco-Kos flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Kos flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Kos flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Kos flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SFO-KGS
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.
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