$1,121 Cheap Swiss International Air Lines flights Brussels (BRU) to Washington (IAD)

View $1,121 flight on Tue, Aug 19, 2025Opens in a new window

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$1,121 Cheap Swiss International Air Lines flights Brussels (BRU) to Washington (IAD)

Prices were available within the past 7 days and start at $1,121 for one-way flights and $612 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sat, Sep 13 - Fri, Oct 10
BRU
Brussels
IAD
Washington
$612 Roundtrip, found 5 hours ago
$612
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Sat, Sep 13 from Brussels to Washington, returning Fri, Oct 10, priced at $612 found 5 hours ago
Flights from Brussels (BRU) to Washington (IAD)
Origin airport
Brussels - National
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Swiss International Air Lines
Distance
3880 mi
Average flight time
2 hours 35 mins

Frequently asked questions

How much is a SWISS flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Landing cheap one-way SWISS flights from BRU to IAD from $1,121 on Expedia is easy --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $612 for your next break.**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 BRU to IAD with SWISS?
Browse for one-way or return flights to Washington in January or February. You could find lower fares with SWISS during these off-peak travel months.
What is the cheapest time to book flights from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD) with SWISS?
To find affordable flights from BRU to IAD with SWISS, begin searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday can lead to 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 Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Enter your dates, click search and check the "Nonstop" filter on Expedia to browse any direct flights from BRU to IAD with SWISS or other carriers.
What is the earliest SWISS flight from BRU to IAD?
Browse SWISS's earliest flights from BRU to IAD by checking the "Morning" and "Early Morning" filters. Not only will you get to where you're going 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.
What airports does SWISS fly into in Washington?
Jump on a SWISS flight from Brussels - National Airport (BRU) to Washington, and you'll probably come in to Washington Dulles Intl. Airport (IAD). This is the airline's primary hub in this destination.
What kind of luggage can I take on a SWISS flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from BRU to IAD with SWISS. This carry-on should weigh less than 17 lb and be no bigger than 22 inches x 21 inches x 5 inches. Going above these limits can mean additional fees, so check SWISS's baggage allowance rules before you begin packing.
Why fly with SWISS from BRU to IAD?
With a 4-star airline rating and a rewarding loyalty program, SWISS is the leading choice for many travelers heading from BRU to IAD. What's more, if you're a Swiss Miles & More and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does SWISS fly from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Chances are you'll travel on a Boeing 777-300ER for your SWISS flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD). However, you could be switched to an alternative aircraft for operational reasons.
Can I change or cancel my SWISS flight from Brussels - National Airport (BRU) to Washington Dulles Intl. Airport (IAD)?
Depending on your ticket type, a fee generally applies if you cancel or change your booking more than 24 hours after it's confirmed. To find tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For additional information on changing or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.