$306 Cheap Flights from Basel (BSL) to Washington (IAD)

View $306 flight on Thu, Mar 19, 2026Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Basel to Washington (BSL-IAD)

Prices were available within the past 7 days and start at $306 for one-way flights and $498 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Nov 21 - Sun, Nov 23
BSL
Basel
IAD
Washington
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Nov 21 from Basel to Washington, returning Sun, Nov 23, priced at $498 found 2 days ago
British Airways
Mon, Jan 5 - Sun, Jan 11
BSL
Basel
IAD
Washington
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Jan 5 from Basel to Washington, returning Sun, Jan 11, priced at $498 found 2 days ago
British Airways
Sun, Nov 9 - Sun, Nov 16
BSL
Basel
IAD
Washington
$499 Roundtrip, found 1 day ago
$499
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Nov 9 from Basel to Washington, returning Sun, Nov 16, priced at $499 found 1 day ago
British Airways
Mon, Jan 5 - Sun, Jan 11
BSL
Basel
IAD
Washington
$503 Roundtrip, found 2 days ago
$503
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Jan 5 from Basel to Washington, returning Sun, Jan 11, priced at $503 found 2 days ago
British Airways
Sun, Oct 26 - Sun, Nov 2
BSL
Basel
IAD
Washington
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Oct 26 from Basel to Washington, returning Sun, Nov 2, priced at $508 found 2 days ago
British Airways
Sun, Nov 9 - Sun, Nov 16
BSL
Basel
IAD
Washington
$509 Roundtrip, found 1 day ago
$509
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Nov 9 from Basel to Washington, returning Sun, Nov 16, priced at $509 found 1 day ago
Lufthansa
Sun, Oct 26 - Sun, Nov 2
BSL
Basel
IAD
Washington
$553 Roundtrip, found 2 days ago
$553
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Oct 26 from Basel to Washington, returning Sun, Nov 2, priced at $553 found 2 days ago
American Airlines
Thu, May 21 - Tue, Jun 9
BSL
Basel
IAD
Washington
$556 Roundtrip, found 2 days ago
$556
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 21 from Basel to Washington, returning Tue, Jun 9, priced at $556 found 2 days ago
Delta
Sat, Jan 10 - Sun, Jan 11
BSL
Basel
IAD
Washington
$558 Roundtrip, found 6 days ago
$558
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jan 10 from Basel to Washington, returning Sun, Jan 11, priced at $558 found 6 days ago
Austrian Airlines
Wed, Oct 8 - Wed, Oct 15
BSL
Basel
IAD
Washington
$560 Roundtrip, found 2 days ago
$560
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Wed, Oct 8 from Basel to Washington, returning Wed, Oct 15, priced at $560 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $611
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $611

Frequently asked questions

How much does a flight from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $306 or cheap return flight from $498 from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD) 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 EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)?
November is the cheapest month to fly from BSL to IAD. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from BSL to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)?
Direct flights from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BSL to IAD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)?
Select a flight from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from BSL to IAD just before your journey is typically more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a BSL to IAD flight and hotel package?
Booking a BSL to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from EuroAirport Airport (BSL) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or reschedule your BSL to IAD flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
EuroAirport
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Austrian Airlines, British Airways, KLM, Lufthansa, Turkish Airlines
Roundtrip price
$497
Distance
4098 mi

Book with confidence

Book with confidence

Basel to Washington Flights

The cheapest times to fly from Basel to Washington

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

 

The best time to book a flight from Basel to Washington

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

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 Basel to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $306 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 Basel to Washington 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 Basel to Washington 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.

 

Basel to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.