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$446+ Cheap flights from Washington to Luxembourg

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington to Luxembourg

Cheapest flights from Washington to Luxembourg
Explore the most affordable flight options available from Washington to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KLM deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:35 amPDX - LUX
2 stops17h 15mMultiple Airlines
Wed 12/106:00 amLUX - PDX
1 stop14h 25mMultiple Airlines
Deal found 10/30$476
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:30 amPDX - LUX
2 stops22h 50mLufthansa
Wed 12/107:10 amLUX - PDX
2 stops20h 31mLufthansa
Deal found 10/30$479
This KLM deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:25 pmPDX - LUX
1 stop15h 50mKLM
Wed 12/106:00 amLUX - PDX
1 stop14h 25mKLM
Deal found 10/30$527
This Orbitz deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:52 amPDX - LUX
2 stops37h 48mSWISS
Wed 12/1010:35 amLUX - PDX
2 stops20h 40mSWISS
Deal found 10/30$1,050

Cheap flight deals from Washington to Luxembourg

Keep the following information in mind while searching for Washington to Luxembourg flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$471
(Air Canada)

One-way from

$446
(Thrive Travel)

Popular in

June

Cheapest in

August

Average price

$835
Provider with most accurate pricing for Seattle/Tacoma Intl-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Luxembourg flights.
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From Washington to Luxembourg
Search Deals
One-way flight from Washington to Luxembourg
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Luxembourg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Washington to Luxembourg that are best for you.

Fly from

Washington

Fly to

Luxembourg

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-1:50 pm

1 stop14h 40m

Luxembourg

Thu 1/15

10:55 am-11:50 am

1 stop33h 55m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

Wed 5/13

6:10 am-12:20 pm

1 stop15h 10m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Sun 3/1

5:50 am-4:20 pm

2 stops25h 30m

Luxembourg

Wed 5/13

6:10 am-6:36 pm

2 stops21h 26m

$471

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Mon 12/1

11:35 am-1:50 pm

2 stops17h 15m

Luxembourg

Wed 12/10

6:00 am-11:25 am

1 stop14h 25m

$476

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-4:20 pm

2 stops17h 10m

Luxembourg

Thu 1/15

10:50 am-8:57 pm

2 stops19h 07m

$485

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 4/13

10:10 am-7:35 pm

2 stops24h 25m

Luxembourg

Sun 4/19

8:10 pm-7:18 pm

2 stops32h 08m

$524

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Mon 12/1

1:25 pm-2:15 pm

1 stop15h 50m

Luxembourg

Wed 12/10

6:00 am-11:25 am

1 stop14h 25m

$527

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 4/13

7:00 am-10:40 am

2 stops18h 40m

Luxembourg

Sun 4/19

9:20 pm-11:35 am

1 stop23h 15m

$530

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Sat 4/11

8:00 pm-4:10 pm

2 stops35h 10m

Luxembourg

Sun 4/19

10:35 am-12:20 pm

1 stop34h 45m

$542

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 4/13

2:47 pm-7:35 pm

2 stops19h 48m

Luxembourg

Sun 4/19

8:25 am-7:12 pm

3 stops67h 47m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results
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Best time to book a flight from Washington to Luxembourg

Have a flexible travel schedule? Discover the best time to fly to Luxembourg from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Luxembourg

What is the cheapest month to book a flight from State of Washington to Luxembourg?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Luxembourg (average of $306). Flying from State of Washington to Luxembourg in October is currently the most expensive (average of $835). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to LU?

Find hourly flight availability from Washington to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from State of Washington to Luxembourg in the evening. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Washington to Luxembourg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Luxembourg?

    Departing from State of Washington to Luxembourg will take you 15h 50m. Airlines will cover a distance of 5173 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Luxembourg one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $446. However, be on the lookout for offers from Air France and Delta, as they are both options that can get you from State of Washington to Luxembourg for a low price.

  • Can I find deals for flights from Washington to Luxembourg that include hotel bookings?

    Yes. In addition to deals on Washington to Luxembourg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Luxembourg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Luxembourg.

  • Can I find deals for business class flights from Washington to Luxembourg?

    Yes. Cheapflights offers flight deals from Washington to Luxembourg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Luxembourg?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Luxembourg (average of $306). Flying from State of Washington to Luxembourg in October is currently the most expensive (average of $835). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Washington to Luxembourg

Discover the top 5 airlines that operate flights from Washington to Luxembourg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$306Average$306FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$396Average$528FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$449Average$617FlexibilityNo cancel feeOn-time77%
DeltaCheapest$496Average$741FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$591Average$760FlexibilityNo cancel feeOn-time76%

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