How do I get Price Alerts for flights from San Francisco to Kos?

You can take advantage of momondo’s Price Alerts by first searching for your flights to San Francisco from Kos . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from San Francisco to Kos with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

$1,708 Cheap Flights from San Francisco to Kos in 2025/26

1 adult

0 bags

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Find the cheapest flights from San Francisco to Kos

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 5:05 pm

SFO

KGS

63h 25m2 stops

12:35 pm - 1:50 pm

KGS

SFO

34h 15m2 stops

$2,176Emirates

Thu, Mar 5 - Mon, Mar 9

3:40 pm - 5:05 pm

SFO

KGS

39h 25m2 stops

12:35 pm - 12:50 pm

KGS

SFO

34h 15m2 stops

$3,553Emirates

Wed, Feb 4 - Wed, Feb 11

4:45 pm - 4:35 pm

SFO

KGS

38h 50m2 stops

1:05 pm - 2:00 pm

KGS

SFO

34h 55m2 stops

$8,412Emirates

Fri, Mar 27 - Sat, Apr 4

8:25 pm - 7:50 am

SFO

KGS

26h 25m2 stops

8:45 pm - 4:15 pm

KGS

SFO

29h 30m1 stop

$11,406Multiple Airlines

Fri, Mar 27 - Sat, Apr 4

Emirates flights from San Francisco to Kos

Our best Emirates deals on San Francisco to Kos flight tickets

Emirates

Mar 5

SFO3:40 pmSan Francisco

63h 25m

2 stops

KGS5:05 pmKos

Mar 9

KGS12:35 pmKos

34h 15m

2 stops

SFO1:50 pmSan Francisco

$2,176

Find similar

Emirates

Feb 4

SFO3:40 pmSan Francisco

39h 25m

2 stops

KGS5:05 pmKos

Feb 11

KGS12:35 pmKos

34h 15m

2 stops

SFO12:50 pmSan Francisco

$3,553

Find similar

Emirates

Mar 27

SFO4:45 pmSan Francisco

38h 50m

2 stops

KGS4:35 pmKos

Apr 4

KGS1:05 pmKos

34h 55m

2 stops

SFO2:00 pmSan Francisco

$8,412

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Thu 3/5

3:40 pm-5:05 pm

2 stops63h 25m

Kos

Mon 3/9

12:35 pm-1:50 pm

2 stops34h 15m

$2,176

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Wed 2/4

3:40 pm-5:05 pm

2 stops39h 25m

Kos

Wed 2/11

12:35 pm-12:50 pm

2 stops34h 15m

$3,553

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 3/27

4:45 pm-4:35 pm

2 stops38h 50m

Kos

Sat 4/4

1:05 pm-2:00 pm

2 stops34h 55m

$8,412

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Fri 3/27

8:25 pm-7:50 am

2 stops26h 25m

Kos

Sat 4/4

8:45 pm-4:15 pm

1 stop29h 30m

$11,406

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time	39h 25m
Direct flights	None

The fastest flight from San Francisco to Kos takes 39h 25m

There are no direct flights from San Francisco to Kos. There are no popular flight routes from San Francisco to Kos.

Search flight deals

How far is San Francisco to Kos by plane?
There are 6921.3 mi between San Francisco and Kos. In terms of flight time, this usually takes a little over 39h 25m.
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.

How do I get Price Alerts for flights from San Francisco to Kos?
You can take advantage of momondo’s Price Alerts by first searching for your flights to San Francisco from Kos. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from San Francisco to Kos with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Kardamena

Marmari

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.