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Luxembourg

$469+ Cheap flights from Washington to Luxembourg

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:05 pmSEA - LUX
1 stop14h 10mDelta
Mon 1/510:55 amLUX - SEA
1 stop33h 55mDelta
Deal found 12/15$1,423
This Ovago deal was found by Cheapflights users on 12/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:52 amSEA - LUX
2 stops38h 13mMultiple Airlines
Mon 1/52:20 pmLUX - SEA
2 stops36h 54mMultiple Airlines
Deal found 12/15$1,531
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:05 pmSEA - LUX
1 stop17h 45mDelta
Mon 1/510:55 amLUX - SEA
1 stop33h 55mDelta
Deal found 12/16$1,702
This Gurufare deal was found by Cheapflights users on 12/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:35 pmSEA - LUX
2 stops35h 25mMultiple Airlines
Mon 1/56:55 amLUX - SEA
2 stops24h 52mMultiple Airlines
Deal found 12/15$1,731
This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:40 pmSEA - LUX
2 stops20h 00mMultiple Airlines
Sun 1/47:10 pmLUX - SEA
2 stops29h 30mMultiple Airlines
Deal found 12/15$1,760
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:10 pmSEA - LUX
1 stop16h 10mLufthansa
Mon 1/52:20 pmLUX - SEA
2 stops36h 54mLufthansa
Deal found 12/16$1,765
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:05 pmSEA - LUX
1 stop17h 45mDelta
Mon 1/510:55 amLUX - SEA
1 stop33h 55mDelta
Deal found 12/15$1,812
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:51 pmPDX - LUX
2 stops17h 29mMultiple Airlines
Tue 12/239:55 pmLUX - PDX
1 stop27h 00mMultiple Airlines
Deal found 12/17$2,787
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:59 pmPDX - LUX
2 stops20h 06mBritish Airways
Tue 12/239:55 pmLUX - PDX
2 stops29h 07mBritish Airways
Deal found 12/17$2,871
This KLM deal was found by Cheapflights users on 12/17. 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.
Sun 12/211:25 pmPDX - LUX
1 stop12h 00mKLM
Tue 12/232:45 pmLUX - PDX
1 stop29h 40mKLM
Deal found 12/17$2,887
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:50 amPDX - LUX
3 stops18h 45mAir Canada
Tue 12/232:30 pmLUX - PDX
3 stops27h 45mAir Canada
Deal found 12/17$4,556

Find flight deals from Washington to Luxembourg

Keep the following information in mind while searching for Washington to Luxembourg flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$469
(FlightHub)

Popular in

June

Cheapest in

August

Average price

$612
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.
Search Deals
From Washington to Luxembourg
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sun 3/1

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

Wed 5/13

6:15 am-12:20 pm

1 stop15h 05m

$469

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Fri 1/30

2:10 pm-1:50 pm

1 stop14h 40m

Luxembourg

Fri 2/6

6:20 pm-11:40 am

1 stop26h 20m

$472

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Fri 1/30

11:10 am-1:50 pm

2 stops17h 40m

Luxembourg

Fri 2/6

6:00 am-11:25 am

1 stop14h 25m

$476

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Sun 3/1

2:10 pm-1:50 pm

1 stop14h 40m

Luxembourg

Wed 5/13

7:30 am-5:39 pm

1 stop19h 09m

$477

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Fri 1/30

1:25 pm-10:25 am

1 stop12h 00m

Luxembourg

Fri 2/6

6:00 am-11:25 am

1 stop14h 25m

$478

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 5/13

6:50 pm-7:35 pm

1 stop15h 45m

Luxembourg

Tue 5/26

8:20 am-12:20 pm

1 stop13h 00m

$499

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 5/13

1:35 pm-8:20 pm

1 stop21h 45m

Luxembourg

Mon 5/25

9:05 pm-11:35 am

1 stop23h 30m

$505

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 5/13

6:50 pm-7:35 pm

1 stop15h 45m

Luxembourg

Sun 5/24

8:25 am-4:59 pm

2 stops17h 34m

$598

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Fri 1/30

9:50 am-1:35 pm

2 stops18h 45m

Luxembourg

Tue 2/3

9:30 am-9:15 am

2 stops32h 45m

$787

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

Fri 1/30

7:00 am-1:35 pm

3 stops21h 35m

Luxembourg

Fri 2/6

2:40 pm-2:40 pm

3 stops33h 00m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 14 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 December 18, 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 12h. 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 United Airlines, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Frontier and American Airlines, 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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Alternative routes for Washington to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$306Average$306FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$396Average$528FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$449Average$561FlexibilityNo cancel feeOn-time77%
DeltaCheapest$521Average$741FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$591Average$734FlexibilityNo cancel feeOn-time76%

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