$490+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KGS
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Kos with Cheapflights
1. Tell us where you want to go
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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Best
Last-minute
One-way
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 August 14, 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 August 14, 2026.
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
2 stops25h 50m
Thu 10/19:10 pm -
2 stops25h 30m
Deal found 8/13![Austrian Airlines logo]()
$1,020
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
2 stops25h 50m
Thu 10/111:00 am -
1 stop39h 15m
Deal found 8/13![Multiple Airlines logo]()
$1,090
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:30 pm -
1 stop31h 20m
Thu 10/19:40 pm -
1 stop26h 10m
Deal found 8/13![British Airways logo]()
$1,196
This Emirates deal was found by Cheapflights users on 8/11. 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 10/155:05 pm -
2 stops62h 30m
Mon 10/196:05 pm -
2 stops29h 55m
Deal found 8/11![Emirates logo]()
$1,867
This Emirates deal was found by Cheapflights users on 8/14. 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.
Mon 9/284:40 pm -
2 stops38h 55m
Mon 10/51:05 pm -
2 stops34h 55m
Deal found 8/14![Emirates logo]()
$3,692
This Emirates deal was found by Cheapflights users on 8/12. 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 9/264:40 pm -
2 stops38h 55m
Sat 10/31:05 pm -
2 stops34h 55m
Deal found 8/12![Emirates logo]()
$8,239
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 August 14, 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 August 14, 2026.
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
2 stops25h 50m
Thu 10/111:00 am -
1 stop39h 15m
Deal found 8/13![Multiple Airlines logo]()
$1,090
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:30 pm -
1 stop31h 20m
Thu 10/19:40 pm -
1 stop26h 10m
Deal found 8/13![British Airways logo]()
$1,196
This Emirates deal was found by Cheapflights users on 8/10. 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 10/155:05 pm -
2 stops62h 30m
Mon 10/191:05 pm -
2 stops34h 55m
Deal found 8/10![Emirates logo]()
$1,867
This Emirates deal was found by Cheapflights users on 8/13. 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.
Wed 2/103:40 pm -
2 stops42h 25m
Sun 2/142:05 pm -
2 stops32h 45m
Deal found 8/13![Emirates logo]()
$1,931
This Emirates deal was found by Cheapflights users on 8/14. 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.
Mon 9/284:40 pm -
2 stops38h 55m
Mon 10/51:05 pm -
2 stops34h 55m
Deal found 8/14![Emirates logo]()
$3,692
This Emirates deal was found by Cheapflights users on 8/12. 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 9/264:40 pm -
2 stops38h 55m
Sat 10/31:05 pm -
2 stops34h 55m
Deal found 8/12![Emirates logo]()
$8,239
Last-minute flights from San Francisco to KosDiscover last-minute flight deals from San Francisco to Kos. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Kos. Data last updated August 14, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
2 stops25h 50m
Thu 10/19:10 pm -
2 stops25h 30m
Deal found 8/13![Austrian Airlines logo]()
$1,020
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
2 stops25h 50m
Thu 10/111:00 am -
1 stop39h 15m
Deal found 8/13![Multiple Airlines logo]()
$1,090
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:30 pm -
1 stop31h 20m
Thu 10/19:40 pm -
1 stop26h 10m
Deal found 8/13![British Airways logo]()
$1,196
This Emirates deal was found by Cheapflights users on 8/12. 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 9/264:40 pm -
2 stops38h 55m
Sat 10/31:05 pm -
2 stops34h 55m
Deal found 8/12![Emirates logo]()
$8,239
This Emirates deal was found by Cheapflights users on 8/14. 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.
Mon 9/284:40 pm -
2 stops38h 55m
Mon 10/51:05 pm -
2 stops34h 55m
Deal found 8/14![Emirates logo]()
$3,692
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 August 14, 2026.
Search for one-way flight options from San Francisco to Kos. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This FlightHub deal was found by Cheapflights users on 8/11. 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.
Sun 9/137:35 pm -
1 stop38h 05m
Deal found 8/11![SWISS logo]()
$490
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:05 pm -
1 stop36h 00m
Deal found 8/11![Lufthansa logo]()
$502
This FlightHub deal was found by Cheapflights users on 8/11. 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.
Sun 9/132:40 pm -
2 stops19h 20m
Deal found 8/11![Austrian Airlines logo]()
$511
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:40 am -
2 stops18h 55m
Deal found 8/11![Multiple Airlines logo]()
$512
This Justfly.com deal was found by Cheapflights users on 8/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:25 am -
2 stops22h 20m
Deal found 8/11![Multiple Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 8/11. 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.
Mon 9/144:45 pm -
2 stops16h 55m
Deal found 8/11![SWISS logo]()
$607
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 August 14, 2026.
Round-trip from | $1,020 (FlightHub) |
|---|---|
One-way from | $490 (FlightHub) |
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 14, 2026.
Use the filters below to find and compare flights from San Francisco to Kos that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Wed 9/23
8:30 am-8:20 pm
2 stops25h 50m
Kos
Thu 10/1
11:00 am-4:15 pm
1 stop39h 15m
$1,090
Quickest round-trip
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Wed 9/23
7:30 pm-12:50 pm
1 stop31h 20m
Kos
Thu 10/1
9:40 pm-1:50 pm
1 stop26h 10m
$1,196
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Thu 10/15
5:05 pm-5:35 pm
2 stops62h 30m
Kos
Mon 10/19
1:05 pm-2:00 pm
2 stops34h 55m
$1,867
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Wed 2/10
3:40 pm-8:05 pm
2 stops42h 25m
Kos
Sun 2/14
2:05 pm-12:50 pm
2 stops32h 45m
$1,931
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Mon 9/28
4:40 pm-5:35 pm
2 stops38h 55m
Kos
Mon 10/5
1:05 pm-2:00 pm
2 stops34h 55m
$3,692
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Sat 9/26
4:40 pm-5:35 pm
2 stops38h 55m
Kos
Sat 10/3
1:05 pm-2:00 pm
2 stops34h 55m
$8,239
Cheapest one-way
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Sun 9/13
7:35 pm-7:40 pm
1 stop38h 05m
$490
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Tue 9/15
7:35 pm-10:10 am
1 stop28h 35m
$490
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Mon 9/14
9:05 pm-7:05 pm
1 stop36h 00m
$502
Quickest one-way
San FranciscoKos
SFO San Francisco - KGS Kos
SFOKGS
San Francisco
Tue 11/10
8:40 am-1:35 pm
2 stops18h 55m
$512
Showing 1-10 of 12 resultsSorted by cheapest first
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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