$1,429 Cheap Swiss International Air Lines flights Düsseldorf (DUS) to Washington (IAD)

View $1,429 flight on Sat, Dec 27, 2025Opens in a new window

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$1,429 Cheap Swiss International Air Lines flights Düsseldorf (DUS) to Washington (IAD)

Prices were available within the past 7 days and start at $1,429 for one-way flights and $578 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Sep 8 - Fri, Sep 26
DUS
Düsseldorf
IAD
Washington
$578 Roundtrip, found 5 hours ago
$578
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Mon, Sep 8 from Düsseldorf to Washington, returning Fri, Sep 26, priced at $578 found 5 hours ago
Flights from Düsseldorf (DUS) to Washington (IAD)
Origin airport
Düsseldorf Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Popular airline
Swiss International Air Lines
Distance
3962 mi

Frequently asked questions

How much is a SWISS flight from Duesseldorf Intl. Airport (DUS) to Washington Dulles Intl. Airport (IAD)?
You'll discover affordable return SWISS flights from $578 from DUS to IAD by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $1,429 for a one-way trip.**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.
What is the cheapest month to fly from DUS to IAD with SWISS?
SWISS flights to Washington are often cheaper in the off-peak months of January and February. Whether you need a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Duesseldorf Intl. Airport (DUS) to Washington Dulles Intl. Airport (IAD) with SWISS?
To discover affordable flights from DUS to IAD with SWISS, start searching about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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.
Does SWISS fly nonstop from Duesseldorf Intl. Airport (DUS) to Washington Dulles Intl. Airport (IAD)?
Fill in your dates, hit search and tick the "Nonstop" filter on Expedia to browse any direct flights from DUS to IAD with SWISS or another airline.
What is the earliest SWISS flight from DUS to IAD?
To find the earliest departures from DUS to IAD with SWISS, sort your results by "Morning" and "Early Morning." Choosing an early flight usually means you're less likely to experience cancellations.**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.
What airports does SWISS fly into in Washington?
Catch a SWISS flight from Duesseldorf Intl. Airport (DUS) to Washington, and you're most likely to touch down at Washington Dulles Intl. Airport (IAD). This is the airline's main hub here.
What kind of luggage can I take on a SWISS flight from Duesseldorf Intl. Airport (DUS) to Washington Dulles Intl. Airport (IAD)?
SWISS allows passengers to bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches on standard economy flights from DUS to IAD. You can also take 1 cabin bag in the cabin. This carry-on luggage must not exceed 22 inches x 21 inches x 5 inches and be no heavier than 17 lb. Baggage allowances can vary depending on the cabin class and fare type, so check your booking or SWISS's website to avoid additional fees at the airport.
Why fly with SWISS from DUS to IAD?
With a rewarding loyalty program and a 4-star airline rating, SWISS is a top choice for many passengers heading from DUS to IAD. Plus, if you're a Swiss Miles & More and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my SWISS flight from Duesseldorf Intl. Airport (DUS) to Washington Dulles Intl. Airport (IAD)?
Changes are typically free within 24 hours of making your booking, but your airline may charge you after that time. For more details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to adjust your plans without being charged, check the "No cancel fee" or "Changes included" filter when organizing your next break.

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*Available to One Key members.