$331+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KGS
Aug 5 — Aug 121
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 July 6, 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 July 6, 2026.
This United deal was found by Cheapflights users on 7/3. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:15 am
SFO
- KGS
2 stops27h 30m
Multiple Airlines
Wed 8/128:40 pm
KGS
- SFO
1 stop29h 35m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,124
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:05 pm
SFO
- KGS
2 stops26h 05m
Austrian Airlines
Wed 8/129:40 pm
KGS
- SFO
2 stops25h 00m
Austrian Airlines
Deal found 7/2![Austrian Airlines logo]()
$1,193
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:35 pm
SFO
- KGS
1 stop32h 55m
SWISS
Wed 8/128:40 pm
KGS
- SFO
1 stop29h 35m
SWISS
Deal found 7/2![SWISS logo]()
$1,247
This Emirates deal was found by Cheapflights users on 7/2. 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 8/315:05 pm
SFO
- KGS
2 stops38h 25m
Emirates
Thu 9/36:10 pm
KGS
- SFO
2 stops53h 50m
Emirates
Deal found 7/2![Emirates logo]()
$1,864
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:20 pm
SFO
- KGS
1 stop14h 50m
SWISS
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
SWISS
Deal found 7/5![SWISS logo]()
$1,871
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:40 pm
SFO
- KGS
2 stops20h 10m
Multiple Airlines
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$2,058
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 July 6, 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 July 6, 2026.
This United deal was found by Cheapflights users on 7/3. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:15 am
SFO
- KGS
2 stops27h 30m
Multiple Airlines
Wed 8/128:40 pm
KGS
- SFO
1 stop29h 35m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,124
This Emirates deal was found by Cheapflights users on 7/3. 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.
Mon 8/315:05 pm
SFO
- KGS
2 stops38h 25m
Emirates
Thu 9/36:10 pm
KGS
- SFO
2 stops29h 50m
Emirates
Deal found 7/3![Emirates logo]()
$1,864
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:20 pm
SFO
- KGS
1 stop14h 50m
SWISS
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
SWISS
Deal found 7/5![SWISS logo]()
$1,871
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:40 pm
SFO
- KGS
2 stops20h 10m
Multiple Airlines
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$2,058
This Emirates deal was found by Cheapflights users on 7/4. 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.
Tue 8/185:05 pm
SFO
- KGS
2 stops62h 25m
Emirates
Tue 8/256:10 pm
KGS
- SFO
2 stops29h 50m
Emirates
Deal found 7/4![Emirates logo]()
$8,300
Last-minute flights from San Francisco to KosDiscover last-minute flight deals from San Francisco to Kos. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Kos. Data last updated July 6, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 7/3. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:15 am
SFO
- KGS
2 stops27h 30m
Multiple Airlines
Wed 8/128:40 pm
KGS
- SFO
1 stop29h 35m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,124
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:05 pm
SFO
- KGS
2 stops26h 05m
Austrian Airlines
Wed 8/129:40 pm
KGS
- SFO
2 stops25h 00m
Austrian Airlines
Deal found 7/2![Austrian Airlines logo]()
$1,193
This Travelocity deal was found by Cheapflights users on 7/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:35 pm
SFO
- KGS
1 stop32h 55m
SWISS
Wed 8/128:40 pm
KGS
- SFO
1 stop29h 35m
SWISS
Deal found 7/2![SWISS logo]()
$1,247
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:20 pm
SFO
- KGS
1 stop14h 50m
SWISS
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
SWISS
Deal found 7/5![SWISS logo]()
$1,871
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:40 pm
SFO
- KGS
2 stops20h 10m
Multiple Airlines
Sat 8/18:45 pm
KGS
- SFO
1 stop29h 30m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$2,058
This Emirates deal was found by Cheapflights users on 7/2. 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 8/315:05 pm
SFO
- KGS
2 stops38h 25m
Emirates
Thu 9/36:10 pm
KGS
- SFO
2 stops53h 50m
Emirates
Deal found 7/2![Emirates logo]()
$1,864
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 July 6, 2026.
Search for one-way flight options from San Francisco to Kos. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Mytrip deal was found by Cheapflights users on 7/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:35 pm
SFO
- KGS
1 stop33h 35m
SWISS
Deal found 7/5![SWISS logo]()
$331
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:35 pm
SFO
- KGS
1 stop38h 05m
SWISS
Deal found 7/5![SWISS logo]()
$357
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:05 pm
SFO
- KGS
2 stops37h 45m
Austrian Airlines
Deal found 7/5![Austrian Airlines logo]()
$365
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:40 pm
SFO
- KGS
2 stops44h 10m
Austrian Airlines
Deal found 7/5![Austrian Airlines logo]()
$377
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:35 pm
SFO
- KGS
1 stop18h 20m
British Airways
Deal found 7/5![British Airways logo]()
$413
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:35 pm
SFO
- KGS
1 stop38h 05m
SWISS
Deal found 7/5![SWISS logo]()
$457
This Mytrip deal was found by Cheapflights users on 7/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:30 am
SFO
- KGS
3 stops30h 05m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$465
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:20 pm
SFO
- KGS
1 stop19h 20m
SWISS
Deal found 7/5![SWISS logo]()
$467
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:40 pm
SFO
- KGS
2 stops20h 10m
Austrian Airlines
Deal found 7/5![Austrian Airlines logo]()
$477
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:35 pm
SFO
- KGS
1 stop28h 35m
SWISS
Deal found 7/5![SWISS logo]()
$480
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:40 pm
SFO
- KGS
2 stops19h 55m
Austrian Airlines
Deal found 7/5![Austrian Airlines logo]()
$500
This FlightHub deal was found by Cheapflights users on 7/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:20 pm
SFO
- KGS
1 stop19h 40m
SWISS
Deal found 7/5![SWISS logo]()
$517
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 July 6, 2026.
Round-trip from | $1,124 (United) |
|---|---|
One-way from | $331 (Mytrip) |
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 July 6, 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 - KGS
SFOKGS
San Francisco
Fri 7/24
6:15 am-7:45 pm
2 stops27h 30m
Kos
Wed 8/12
8:40 pm-4:15 pm
1 stop29h 35m
$1,124
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Mon 8/31
5:05 pm-5:30 pm
2 stops38h 25m
Kos
Thu 9/3
6:10 pm-2:00 pm
2 stops29h 50m
$1,864
Quickest round-trip
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Thu 7/30
2:20 pm-3:10 pm
1 stop14h 50m
Kos
Sat 8/1
8:45 pm-4:15 pm
1 stop29h 30m
$1,871
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Thu 7/30
2:40 pm-8:50 pm
2 stops20h 10m
Kos
Sat 8/1
8:45 pm-4:15 pm
1 stop29h 30m
$2,058
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Tue 8/18
5:05 pm-5:30 pm
2 stops62h 25m
Kos
Tue 8/25
6:10 pm-2:00 pm
2 stops29h 50m
$8,300
Cheapest one-way
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Wed 8/12
7:35 pm-3:10 pm
1 stop33h 35m
$331
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Sun 8/9
7:35 pm-7:40 pm
1 stop38h 05m
$357
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Wed 8/12
9:05 pm-8:50 pm
2 stops37h 45m
$365
Quickest one-way
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Mon 8/3
2:20 pm-7:40 pm
1 stop19h 20m
$467
San FranciscoKos
SFO - KGS
SFOKGS
San Francisco
Fri 7/31
7:35 pm-2:30 pm
1 stop32h 55m
$931
Showing 1-10 of 11 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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