$686 Cheap Flights from Washington (IAD) to Skiathos (JSI)

View $686 flight on Sat, Aug 23, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Skiathos (JSI-Skiathos Island National)

Cheap Flights from Washington to Skiathos (IAD-JSI)

Prices were available within the past 7 days and start at $686 for one-way flights and $1,323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,323 Roundtrip, found 22 hours ago
$1,323
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,323 found 22 hours ago
Swiss International Air Lines
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,325 Roundtrip, found 22 hours ago
$1,325
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,325 found 22 hours ago
Austrian Airlines
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,331 Roundtrip, found 22 hours ago
$1,331
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,331 found 22 hours ago
Air Canada
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,332 Roundtrip, found 22 hours ago
$1,332
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,332 found 22 hours ago
Air Canada
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,339 Roundtrip, found 22 hours ago
$1,339
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,339 found 22 hours ago
Lufthansa
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,345 Roundtrip, found 22 hours ago
$1,345
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,345 found 22 hours ago
Austrian Airlines
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,346 Roundtrip, found 22 hours ago
$1,346
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,346 found 22 hours ago
Lufthansa
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,445 Roundtrip, found 22 hours ago
$1,445
Roundtrip
found 22 hours ago
Select Lufthansa flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,445 found 22 hours ago
Austrian Airlines
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,471 Roundtrip, found 22 hours ago
$1,471
Roundtrip
found 22 hours ago
Select Austrian Airlines flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,471 found 22 hours ago
Air Canada
Sun, Aug 24 - Mon, Sep 1
IAD
Washington
JSI
Skiathos
$1,479 Roundtrip, found 22 hours ago
$1,479
Roundtrip
found 22 hours ago
Select Air Canada flight, departing Sun, Aug 24 from Washington to Skiathos, returning Mon, Sep 1, priced at $1,479 found 22 hours ago
Flights from Washington (IAD) to Skiathos (JSI)
Origin airport
Washington Dulles Intl.
Destination airport
Skiathos Island National
Roundtrip price
$1,322
Distance
5083 mi

Washington to Skiathos Flights

The cheapest times to fly from Washington 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 Washington to Skiathos are during the month of August. You can find some of the cheapest flights from Washington to Skiathos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Skiathos

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Skiathos in 2025. You can also book with separate airlines for your outbound and return journeys, from $686 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 Washington 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 Washington 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI) cost?
Grab a cheap one-way flight from $686 or cheap return flight from $1,323 from Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI) 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 Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI)?
The cheapest month to fly from IAD to JSI is August, when there's less demand. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI)?
To find the cheapest airline that'll fly you from IAD to JSI, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin 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 Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to JSI?
You'll generally 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 Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI)?
To land at Skiathos Island National Airport (JSI) on time, opt for a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood 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 Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI) last-minute?
Waiting until right before your break to book a flight from IAD to JSI generally means paying more. While you may find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book an IAD to JSI flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to JSI flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Skiathos Island National Airport (JSI)?
It's usually possible to reschedule or cancel your IAD to JSI flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.