$391 Cheap Flights from Seattle (SEA) to Luxembourg (LUX)

View $391 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Findel International Airport (LUX)

Cheap Flights from Seattle to Luxembourg (SEA-LUX)

Prices were available within the past 7 days and start at $391 for one-way flights and $470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 16 - Thu, Nov 27
SEA
Seattle
LUX
Luxembourg
$470 Roundtrip, found 2 days ago
$470
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 16 from Seattle to Luxembourg, returning Thu, Nov 27, priced at $470 found 2 days ago
Lufthansa
Sun, Nov 30 - Tue, Dec 16
SEA
Seattle
LUX
Luxembourg
$470 Roundtrip, found 1 day ago
$470
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Nov 30 from Seattle to Luxembourg, returning Tue, Dec 16, priced at $470 found 1 day ago
United
Wed, Apr 15 - Tue, May 5
SEA
Seattle
LUX
Luxembourg
$471 Roundtrip, found 4 days ago
$471
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 15 from Seattle to Luxembourg, returning Tue, May 5, priced at $471 found 4 days ago
United
Sun, Nov 30 - Fri, Dec 12
SEA
Seattle
LUX
Luxembourg
$471 Roundtrip, found 1 day ago
$471
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 30 from Seattle to Luxembourg, returning Fri, Dec 12, priced at $471 found 1 day ago
Air Canada
Tue, Nov 18 - Tue, Nov 25
SEA
Seattle
LUX
Luxembourg
$472 Roundtrip, found 1 day ago
$472
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 18 from Seattle to Luxembourg, returning Tue, Nov 25, priced at $472 found 1 day ago
Lufthansa
Wed, Apr 1 - Wed, Apr 15
SEA
Seattle
LUX
Luxembourg
$472 Roundtrip, found 20 hours ago
$472
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Apr 1 from Seattle to Luxembourg, returning Wed, Apr 15, priced at $472 found 20 hours ago
American Airlines
Tue, Jan 6 - Tue, Jan 13
SEA
Seattle
LUX
Luxembourg
$474 Roundtrip, found 1 day ago
$474
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 6 from Seattle to Luxembourg, returning Tue, Jan 13, priced at $474 found 1 day ago
British Airways
Tue, Aug 4 - Tue, Aug 18
SEA
Seattle
LUX
Luxembourg
$475 Roundtrip, found 3 days ago
$475
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Aug 4 from Seattle to Luxembourg, returning Tue, Aug 18, priced at $475 found 3 days ago
Swiss International Air Lines
Mon, Aug 10 - Fri, Aug 21
SEA
Seattle
LUX
Luxembourg
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Aug 10 from Seattle to Luxembourg, returning Fri, Aug 21, priced at $476 found 4 days ago
British Airways
Wed, Apr 1 - Wed, Apr 15
SEA
Seattle
LUX
Luxembourg
$476 Roundtrip, found 20 hours ago
$476
Roundtrip
found 20 hours ago
Select British Airways flight, departing Wed, Apr 1 from Seattle to Luxembourg, returning Wed, Apr 15, priced at $476 found 20 hours ago

Alternative airports near Niederanven

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

Select flight to Findel LUX. Cheapest option available. Flights from $577
LUX
Findel
Cheapest
Flights from $577

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX) cost?
Grab a cheap one-way flight from $391 or cheap return flight from $470 from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX)?
Flying in November is a great way to save, as it's the cheapest month for flights between SEA and LUX. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to LUX flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to LUX?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX)?
To land at Findel Airport (LUX) on schedule, choose a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX) last-minute?
Booking your ticket from SEA to LUX shortly before your getaway is usually more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SEA to LUX flight and hotel package?
Securing a SEA to LUX flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Findel Airport (LUX)?
It's usually possible to reschedule or cancel your SEA to LUX flight. However, for bookings made more than 24 hours ago, additional charges 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 more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Findel
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
$469
Distance
5059 mi

Book with confidence

Seattle to Luxembourg Flights

The cheapest times to fly from Seattle to Luxembourg

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

 

The best time to book a flight from Seattle to Luxembourg

Sunday is one of the best days to book for cheap flights from Seattle to Luxembourg: 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 Seattle to Luxembourg

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 Seattle to Luxembourg in 2025. You can also book with separate airlines for your outbound and return journeys, from $391 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 Seattle to Luxembourg 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 Seattle to Luxembourg 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.

 

Seattle to Luxembourg Flights

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*Available to One Key members.