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Cheap flights from San Francisco to Kos from $1,391

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Francisco to Kos

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:40 pm - 7:45 amSFO  San Francisco-KGS Kos
24h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
5:15 pm - 4:05 pmKGS  Kos-SFO San Francisco
32h 50m2 stops Athens Eleftherios V. Frankfurt am Main
$1,391Multiple Airlines
Sun, Nov 22 - Mon, Nov 30
Multiple Airlines Logo
9:40 pm - 7:45 amSFO  San Francisco-KGS Kos
24h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
8:25 am - 7:35 pmKGS  Kos-SFO San Francisco
21h 10m2 stops Athens Eleftherios V. Munich Franz Josef Strauss
$1,392Multiple Airlines
Sun, Nov 22 - Tue, Dec 1
Multiple Airlines Logo
9:40 pm - 7:45 amSFO  San Francisco-KGS Kos
24h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
8:40 pm - 4:05 pmKGS  Kos-SFO San Francisco
29h 25m2 stops Athens Eleftherios V. Frankfurt am Main
$1,831Multiple Airlines
Sun, Nov 22 - Sun, Nov 29
Multiple Airlines Logo
1:40 pm - 4:45 pmSFO  San Francisco-KGS Kos
17h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
5:15 pm - 4:30 pmKGS  Kos-SFO San Francisco
33h 15m2 stops Athens Eleftherios V. Zurich
$2,856Multiple Airlines
Sun, Nov 22 - Mon, Nov 30
Multiple Airlines Logo
1:40 pm - 7:45 amSFO  San Francisco-KGS Kos
32h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
8:35 pm - 4:30 pmKGS  Kos-SFO San Francisco
29h 55m2 stops Athens Eleftherios V. Zurich
$2,856Multiple Airlines
Sun, Nov 22 - Tue, Dec 1
Multiple Airlines Logo
1:40 pm - 4:45 pmSFO  San Francisco-KGS Kos
17h 05m2 stops Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
8:40 pm - 4:30 pmKGS  Kos-SFO San Francisco
29h 50m2 stops Athens Eleftherios V. Zurich
$5,056Multiple Airlines
Sun, Nov 22 - Sun, Nov 29

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Use the filters below to find and compare flights from San Francisco to Kos that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

9:40 pm-7:45 am

2 stops24h 05m

Kos

Mon 11/30

5:15 pm-4:05 pm

2 stops32h 50m

$1,391
Quickest round-trip

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

9:40 pm-7:45 am

2 stops24h 05m

Kos

Tue 12/1

8:25 am-7:35 pm

2 stops21h 10m

$1,392

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

9:40 pm-7:45 am

2 stops24h 05m

Kos

Sun 11/29

8:40 pm-4:05 pm

2 stops29h 25m

$1,831

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

1:40 pm-4:45 pm

2 stops17h 05m

Kos

Mon 11/30

5:15 pm-4:30 pm

2 stops33h 15m

$2,856

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

1:40 pm-7:45 am

2 stops32h 05m

Kos

Tue 12/1

8:35 pm-4:30 pm

2 stops29h 55m

$2,856

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Sun 11/22

1:40 pm-4:45 pm

2 stops17h 05m

Kos

Sun 11/29

8:40 pm-4:30 pm

2 stops29h 50m

$5,056

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kos from

How to get the cheapest flight ticket from San Francisco to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on San Francisco to Kos flights?

You could potentially save up to 7% on your flight if you consider stops on a San Francisco to Kos flight.

When to book flights from San Francisco to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Kos according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Kos (SFO to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Kos

Best Price Found

$1,391

Fastest flight time

37h 55m

Direct flights

None
The best flight deal from San Francisco to Kos found on momondo in the last 72 hours is $1,391
The fastest flight from San Francisco to Kos takes 37h 55m
There are no direct flights from San Francisco to Kos. There are no popular flight routes from San Francisco to Kos.
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Frequently asked questions about flying from San Francisco to Kos

  • How far is San Francisco to Kos by plane?

    There are 6921.7 mi between San Francisco and Kos. In terms of flight time, this usually takes a little over 37h 55m.

  • When did momondo last update prices for flights from San Francisco Airport to Kos Airport?

    Prices for flights from San Francisco Airport to Kos Airport refresh daily.

  • How old do you have to be to fly from San Francisco Airport to Kos Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The necessary travel and health documents for your Kos Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Kos?

It is quick and easy to find San Francisco to Kos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kos that suits you.

Can I find flights from San Francisco to Kos with flexible booking policies on momondo?

All flight searches from San Francisco to Kos on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Kos?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kos from San Francisco.

I’m not ready to book a flight from San Francisco to Kos right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Kos now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kos and let you know when they change.

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