$598 Cheap Flights from Washington (IAD) to Sylt (GWT)

View $598 flight on Fri, Mar 27, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sylt (GWT)

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Cheap Flights from Washington to Sylt (IAD-GWT)

Prices were available within the past 7 days and start at $598 for one-way flights and $1,031 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,031 Roundtrip, found 3 days ago
$1,031
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,031 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,043 Roundtrip, found 3 days ago
$1,043
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,043 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,243 Roundtrip, found 3 days ago
$1,243
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,243 found 3 days ago
Air Canada
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,266 Roundtrip, found 3 days ago
$1,266
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,266 found 3 days ago
Air Canada
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,277 Roundtrip, found 3 days ago
$1,277
Roundtrip
found 3 days ago
Select Air Canada flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,277 found 3 days ago
Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,280 Roundtrip, found 3 days ago
$1,280
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,280 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,292 Roundtrip, found 3 days ago
$1,292
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,292 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,295 Roundtrip, found 3 days ago
$1,295
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,295 found 3 days ago
Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,364 Roundtrip, found 3 days ago
$1,364
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,364 found 3 days ago
Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,371 Roundtrip, found 3 days ago
$1,371
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,371 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,443 Roundtrip, found 3 days ago
$1,443
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,443 found 3 days ago
Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,467 Roundtrip, found 3 days ago
$1,467
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,467 found 3 days ago
Lufthansa
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,496 Roundtrip, found 3 days ago
$1,496
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,496 found 3 days ago
Swiss International Air Lines
Fri, Mar 27 - Sat, Apr 4
IAD
Washington
GWT
Sylt
$1,620 Roundtrip, found 3 days ago
$1,620
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, Mar 27 from Washington to Sylt, returning Sat, Apr 4, priced at $1,620 found 3 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT) cost?
Snag a cheap one-way flight from $598 or cheap return flight from $1,031 from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT)?
March is the cheapest month to fly from IAD to GWT. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAD to GWT flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to GWT?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Sylt Airport (GWT)?
To arrive at Sylt Airport (GWT) on schedule, opt for a flight that leaves from Washington Dulles Intl. Airport (IAD) 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 Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT) last-minute?
Last-minute bookings from IAD to GWT are generally more expensive. To secure the best prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book an IAD to GWT flight and hotel package?
Booking an IAD to GWT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Sylt Airport (GWT)?
In most instances, you can cancel or modify your IAD to GWT flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Sylt
Roundtrip price
$1,030
Distance
3925 mi

Book with confidence

Washington to Sylt Flights

The cheapest times to fly from Washington to Sylt

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

 

The best time to book a flight from Washington to Sylt

Sunday is one of the best days to book for cheap flights from Washington to Sylt: 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 Sylt

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 Sylt in 2025. You can also book with separate airlines for your outbound and return journeys, from $598 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 Sylt 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 Sylt 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.

 

Washington to Sylt Flights

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*Available to One Key members.