$523 Cheap Flights from San Francisco (SFO) to Skiathos (JSI)

View $523 flight on Sun, Apr 12, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Skiathos (JSI-Skiathos Island National)

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Cheap Flights from San Francisco to Skiathos (SFO-JSI)

Prices were available within the past 7 days and start at $523 for one-way flights and $821 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, May 14 - Sat, May 23
SFO
San Francisco
JSI
Skiathos
$821 Roundtrip, found 1 hour ago
$821
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Thu, May 14 from San Francisco to Skiathos, returning Sat, May 23, priced at $821 found 1 hour ago
Lufthansa
Wed, May 13 - Sat, May 23
SFO
San Francisco
JSI
Skiathos
$890 Roundtrip, found 1 hour ago
$890
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Wed, May 13 from San Francisco to Skiathos, returning Sat, May 23, priced at $890 found 1 hour ago
Air France
Wed, Feb 18 - Mon, Mar 2
SFO
San Francisco
JSI
Skiathos
$922 Roundtrip, found 6 hours ago
$922
Roundtrip
found 6 hours ago
Select Air France flight, departing Wed, Feb 18 from San Francisco to Skiathos, returning Mon, Mar 2, priced at $922 found 6 hours ago
Lufthansa
Tue, May 12 - Sat, May 23
SFO
San Francisco
JSI
Skiathos
$958 Roundtrip, found 1 hour ago
$958
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Tue, May 12 from San Francisco to Skiathos, returning Sat, May 23, priced at $958 found 1 hour ago
Lufthansa
Mon, May 11 - Sat, May 23
SFO
San Francisco
JSI
Skiathos
$974 Roundtrip, found 1 hour ago
$974
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, May 11 from San Francisco to Skiathos, returning Sat, May 23, priced at $974 found 1 hour ago
KLM
Sat, Feb 21 - Mon, Mar 2
SFO
San Francisco
JSI
Skiathos
$976 Roundtrip, found 6 hours ago
$976
Roundtrip
found 6 hours ago
Select KLM flight, departing Sat, Feb 21 from San Francisco to Skiathos, returning Mon, Mar 2, priced at $976 found 6 hours ago
Air France
Wed, Feb 18 - Fri, Mar 6
SFO
San Francisco
JSI
Skiathos
$1,027 Roundtrip, found 6 hours ago
$1,027
Roundtrip
found 6 hours ago
Select Air France flight, departing Wed, Feb 18 from San Francisco to Skiathos, returning Fri, Mar 6, priced at $1,027 found 6 hours ago
United
Mon, May 18 - Thu, Jun 4
SFO
San Francisco
JSI
Skiathos
$1,048 Roundtrip, found 1 hour ago
$1,048
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from San Francisco to Skiathos, returning Thu, Jun 4, priced at $1,048 found 1 hour ago
United
Mon, May 18 - Tue, Jun 2
SFO
San Francisco
JSI
Skiathos
$1,067 Roundtrip, found 1 hour ago
$1,067
Roundtrip
found 1 hour ago
Select United flight, departing Mon, May 18 from San Francisco to Skiathos, returning Tue, Jun 2, priced at $1,067 found 1 hour ago
KLM
Sat, Feb 21 - Fri, Mar 6
SFO
San Francisco
JSI
Skiathos
$1,081 Roundtrip, found 6 hours ago
$1,081
Roundtrip
found 6 hours ago
Select KLM flight, departing Sat, Feb 21 from San Francisco to Skiathos, returning Fri, Mar 6, priced at $1,081 found 6 hours ago

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI) cost?
Lock in a cheap one-way flight from $523 or cheap return flight from $821 from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI)?
The cheapest month to fly from SFO to JSI is May, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI)?
To find the cheapest airline flying from SFO to JSI, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI)?
There aren't any daily direct flights available from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SFO to JSI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI)?
To reach Skiathos Island National Airport (JSI) on schedule, opt for a flight that leaves San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI) last-minute?
Booking your ticket from SFO to JSI shortly before your trip is typically more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to JSI flight and hotel package?
Opting for a SFO to JSI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Skiathos Island National Airport (JSI)?
If you reserved your SFO to JSI flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Skiathos Island National
Roundtrip price
$821
Distance
6705 mi

Book with confidence

San Francisco to Skiathos Flights

The cheapest times to fly from San Francisco to Skiathos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Skiathos are during the month of May. You can find some of the cheapest flights from San Francisco to Skiathos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Skiathos

Sunday is one of the best days to book for cheap flights from San Francisco to Skiathos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Skiathos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Skiathos in 2025. You can also book with separate airlines for your outbound and return journeys, from $523 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Skiathos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Skiathos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Skiathos Flights

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*Available to One Key members.