$1,392 Cheap Swiss International Air Lines flights Zürich (ZRH) to Washington (IAD)

Scoring cheap one-way SWISS flights from ZRH to IAD from $1,392 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $489 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

SWISS flights to Washington are often more affordable in the quieter months of January and February. Whether you’re after a one-way or round-trip ticket, you could land a better deal then.

Getting the best SWISS deals from ZRH to IAD often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s a good idea to start checking out flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct journey from ZRH to IAD with SWISS or other airlines, check the “Nonstop” box when searching for flights.

Browse SWISS’s earliest flights from ZRH to IAD by selecting the “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

It’s generally possible to cancel or modify your flight, although there may be additional fees if you made your booking over 24 hours ago. Need flexible options? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you have to adjust your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.