Cheap Flights from Seattle (SEA) to Ermoupolis (JSY)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Ermoupolis (JSY-Syros Island National)

Cheap Flights from Seattle to Ermoupolis (SEA-JSY)

Prices were available within the past 7 days and start at for one-way flights and $877 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Sun, Jan 25 - Mon, Feb 2
SEA
Seattle
JSY
Ermoupoli
$877 Roundtrip, found 3 days ago
$877
Roundtrip
found 3 days ago
Select Air France flight, departing Sun, Jan 25 from Seattle to Ermoupoli, returning Mon, Feb 2, priced at $877 found 3 days ago
Air France
Sat, Jan 24 - Mon, Feb 2
SEA
Seattle
JSY
Ermoupoli
$885 Roundtrip, found 3 days ago
$885
Roundtrip
found 3 days ago
Select Air France flight, departing Sat, Jan 24 from Seattle to Ermoupoli, returning Mon, Feb 2, priced at $885 found 3 days ago
Air France
Fri, Jan 23 - Mon, Feb 2
SEA
Seattle
JSY
Ermoupoli
$887 Roundtrip, found 3 days ago
$887
Roundtrip
found 3 days ago
Select Air France flight, departing Fri, Jan 23 from Seattle to Ermoupoli, returning Mon, Feb 2, priced at $887 found 3 days ago
KLM
Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
JSY
Ermoupoli
$888 Roundtrip, found 3 days ago
$888
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Jan 26 from Seattle to Ermoupoli, returning Mon, Feb 2, priced at $888 found 3 days ago
Air France
Fri, Jan 23 - Fri, Jan 30
SEA
Seattle
JSY
Ermoupoli
$890 Roundtrip, found 3 days ago
$890
Roundtrip
found 3 days ago
Select Air France flight, departing Fri, Jan 23 from Seattle to Ermoupoli, returning Fri, Jan 30, priced at $890 found 3 days ago
Emirates
Sun, Jan 25 - Fri, Jan 30
SEA
Seattle
JSY
Ermoupoli
$1,749 Roundtrip, found 3 days ago
$1,749
Roundtrip
found 3 days ago
Select Emirates flight, departing Sun, Jan 25 from Seattle to Ermoupoli, returning Fri, Jan 30, priced at $1,749 found 3 days ago
Emirates
Fri, Jan 23 - Wed, Jan 28
SEA
Seattle
JSY
Ermoupoli
$1,799 Roundtrip, found 3 days ago
$1,799
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Jan 23 from Seattle to Ermoupoli, returning Wed, Jan 28, priced at $1,799 found 3 days ago
Air France
Sat, Jan 24 - Wed, Jan 28
SEA
Seattle
JSY
Ermoupoli
$1,807 Roundtrip, found 3 days ago
$1,807
Roundtrip
found 3 days ago
Select Air France flight, departing Sat, Jan 24 from Seattle to Ermoupoli, returning Wed, Jan 28, priced at $1,807 found 3 days ago
KLM
Mon, Jan 26 - Fri, Jan 30
SEA
Seattle
JSY
Ermoupoli
$1,813 Roundtrip, found 3 days ago
$1,813
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Jan 26 from Seattle to Ermoupoli, returning Fri, Jan 30, priced at $1,813 found 3 days ago
Flights from Seattle (SEA) to Ermoupolis (JSY)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Syros Island National
Roundtrip price
$876
Distance
6234 mi

Seattle to Ermoupolis Flights

The cheapest times to fly from Seattle to Ermoupolis

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 Seattle to Ermoupolis are during the month of January. You can find some of the cheapest flights from Seattle to Ermoupolis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Ermoupolis

Sunday is one of the best days to book for cheap flights from Seattle to Ermoupolis: 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 Seattle to Ermoupolis

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 Seattle to Ermoupolis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Seattle to Ermoupolis 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 Seattle to Ermoupolis 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY) cost?
Get a cheap one-way flight or cheap return flight from $877 from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY)?
The cheapest month to fly from SEA to JSY is January, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY)?
To find the cheapest airline that'll fly you from SEA to JSY, use Expedia's filter tool. Tailor your search based on your travel needs, 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 Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY)?
You'll need to catch a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to JSY?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY)?
To touch down at Syros Island National Airport (JSY) on schedule, select a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY) last-minute?
Booking your flight from SEA to JSY right before your trip is generally more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to JSY flight and hotel package?
Opting for a SEA to JSY flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Syros Island National Airport (JSY)?
Typically, you can cancel or reschedule your SEA to JSY flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, head to our Customer Service portal.

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*Available to One Key members.