$378 Cheap Flights from Luxembourg (LUX) to Washington (IAD)

View $378 flight on Sun, May 10, 2026Opens in a new window

Popular airlines from Findel International Airport (LUX) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Luxembourg to Washington (LUX-IAD)

Prices were available within the past 7 days and start at $378 for one-way flights and $537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, Nov 23 - Tue, Dec 2
LUX
Luxembourg
IAD
Washington
$537 Roundtrip, found 5 days ago
$537
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Sun, Nov 23 from Luxembourg to Washington, returning Tue, Dec 2, priced at $537 found 5 days ago
TAP Portugal
Sun, Jan 25 - Sat, Jan 31
LUX
Luxembourg
IAD
Washington
$537 Roundtrip, found 2 days ago
$537
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Sun, Jan 25 from Luxembourg to Washington, returning Sat, Jan 31, priced at $537 found 2 days ago
American Airlines
Wed, Dec 24 - Sun, Dec 28
LUX
Luxembourg
IAD
Washington
$585 Roundtrip, found 1 hour ago
$585
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Dec 24 from Luxembourg to Washington, returning Sun, Dec 28, priced at $585 found 1 hour ago
British Airways
Mon, Aug 31 - Mon, Sep 7
LUX
Luxembourg
IAD
Washington
$586 Roundtrip, found 5 hours ago
$586
Roundtrip
found 5 hours ago
Select British Airways flight, departing Mon, Aug 31 from Luxembourg to Washington, returning Mon, Sep 7, priced at $586 found 5 hours ago
British Airways
Fri, Jan 30 - Thu, Feb 12
LUX
Luxembourg
IAD
Washington
$587 Roundtrip, found 2 days ago
$587
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Jan 30 from Luxembourg to Washington, returning Thu, Feb 12, priced at $587 found 2 days ago
British Airways
Mon, Aug 31 - Mon, Sep 7
LUX
Luxembourg
IAD
Washington
$588 Roundtrip, found 5 hours ago
$588
Roundtrip
found 5 hours ago
Select British Airways flight, departing Mon, Aug 31 from Luxembourg to Washington, returning Mon, Sep 7, priced at $588 found 5 hours ago
American Airlines
Mon, Aug 31 - Mon, Sep 7
LUX
Luxembourg
IAD
Washington
$590 Roundtrip, found 5 hours ago
$590
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Aug 31 from Luxembourg to Washington, returning Mon, Sep 7, priced at $590 found 5 hours ago
American Airlines
Mon, Aug 31 - Mon, Sep 7
LUX
Luxembourg
IAD
Washington
$595 Roundtrip, found 5 hours ago
$595
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Aug 31 from Luxembourg to Washington, returning Mon, Sep 7, priced at $595 found 5 hours ago
Scandinavian Airlines
Sun, Jan 25 - Sat, Jan 31
LUX
Luxembourg
IAD
Washington
$638 Roundtrip, found 2 days ago
$638
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Jan 25 from Luxembourg to Washington, returning Sat, Jan 31, priced at $638 found 2 days ago
Air Canada
Fri, Jan 30 - Thu, Feb 12
LUX
Luxembourg
IAD
Washington
$642 Roundtrip, found 2 days ago
$642
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Jan 30 from Luxembourg to Washington, returning Thu, Feb 12, priced at $642 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 $629
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $629

Frequently asked questions

How much does a flight from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $378 or cheap return flight from $537 from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD)?
November is the most affordable month to fly from LUX to IAD. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LUX to IAD flight.
How many flights per day from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Findel Airport (LUX) 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 travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LUX to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your trip to book a ticket from LUX to IAD generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a LUX to IAD flight and hotel package?
You can save money by booking a LUX to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Findel Airport (LUX) to Washington Dulles Intl. Airport (IAD)?
Generally, it's possible to cancel or reschedule your LUX to IAD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Findel
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$536
Distance
3985 mi

Book with confidence

Luxembourg to Washington Flights

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

 

The best time to book a flight from Luxembourg to Washington

Sunday is one of the best days to book for cheap flights from Luxembourg 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 Luxembourg 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 Luxembourg to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $378 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 Luxembourg 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 Luxembourg 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.

 

Luxembourg to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.