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Cheap flights from Washington to Luxembourg from $455

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Luxembourg departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington to Luxembourg

Cheap round-trip flights

Lufthansa Logo
8:00 am - 10:00 amSEA-LUX
17h 00m2 stops
Lufthansa Logo
7:10 am - 12:10 pmLUX-SEA
14h 00m1 stop
$455Lufthansa
Find Deal
lun., oct. 20 - mar., nov. 4
Lufthansa Logo
2:20 pm - 1:40 pmSEA-LUX
14h 20m1 stop
Lufthansa Logo
8:20 am - 12:10 pmLUX-SEA
12h 50m1 stop
$469Lufthansa
Find Deal
lun., oct. 20 - mar., nov. 4
Multiple Airlines Logo
7:15 pm - 4:10 pmSEA-LUX
35h 55m2 stops
Multiple Airlines Logo
8:20 am - 12:10 pmLUX-SEA
12h 50m1 stop
$470Multiple Airlines
Find Deal
lun., oct. 20 - mar., nov. 4
Air Canada Logo
10:00 am - 10:00 amSEA-LUX
15h 00m2 stops
Air Canada Logo
7:10 am - 10:16 pmLUX-SEA
24h 06m2 stops
$471Air Canada
Find Deal
lun., oct. 20 - mar., nov. 4
Multiple Airlines Logo
1:30 pm - 1:50 pmSEA-LUX
15h 20m1 stop
Multiple Airlines Logo
2:45 pm - 11:45 amLUX-SEA
30h 00m1 stop
$476Multiple Airlines
Find Deal
lun., oct. 20 - mar., nov. 4
Air France Logo
2:05 pm - 1:50 pmSEA-LUX
14h 45m1 stop
Air France Logo
7:30 am - 1:20 pmLUX-SEA
14h 50m1 stop
$477Air France
Find Deal
mié., nov. 5 - mié., nov. 12
United Airlines Logo
12:41 pm - 4:20 pmSEA-LUX
18h 39m2 stops
United Airlines Logo
9:30 am - 11:15 pmLUX-SEA
22h 45m3 stops
$519United Airlines
Find Deal
mié., nov. 5 - mié., nov. 12
Air France Logo
9:58 am - 10:35 amPDX-LUX
16h 37m2 stops
Air France Logo
7:30 am - 5:27 pmLUX-PDX
18h 57m2 stops
$580Air France
Find Deal
lun., oct. 27 - mar., nov. 4
Air Canada Logo
9:50 am - 4:20 pmPDX-LUX
21h 30m2 stops
Air Canada Logo
10:35 am - 9:15 amLUX-PDX
31h 40m3 stops
$592Air Canada
Find Deal
mar., dic. 2 - lun., dic. 8
United Airlines Logo
2:20 pm - 4:10 pmSEA-LUX
16h 50m2 stops
United Airlines Logo
9:30 am - 11:15 pmLUX-SEA
22h 45m3 stops
$716United Airlines
Find Deal
lun., oct. 20 - mar., nov. 4

Lufthansa flights from State of Washington to Luxembourg

Our best Lufthansa deals on State of Washington to Luxembourg flight tickets
Lufthansa
Oct 20
SEA8:00 amSeattle/Tacoma Intl
17h 00m
2 stops
LUX10:00 amLuxembourg
Nov 4
LUX7:10 amLuxembourg
14h 00m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$455
Find similar
Lufthansa
Oct 20
SEA2:20 pmSeattle/Tacoma Intl
14h 20m
1 stop
LUX1:40 pmLuxembourg
Nov 4
LUX8:20 amLuxembourg
12h 50m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$469
Find similar
Lufthansa
Oct 21
SEA2:20 pmSeattle/Tacoma Intl
18h 40m
1 stop
LUX6:00 pmLuxembourg
Oct 28
LUX7:10 amLuxembourg
14h 00m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$524
Find similar

Air Canada flights from State of Washington to Luxembourg

Our best Air Canada deals on State of Washington to Luxembourg flight tickets
Air Canada
Oct 20
SEA10:00 amSeattle/Tacoma Intl
15h 00m
2 stops
LUX10:00 amLuxembourg
Nov 4
LUX7:10 amLuxembourg
24h 06m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$471
Find similar
Air Canada
Dec 2
PDX9:50 amPortland
21h 30m
2 stops
LUX4:20 pmLuxembourg
Dec 8
LUX10:35 amLuxembourg
31h 40m
3 stops
PDX9:15 amPortland
$592
Find similar
Air Canada
Dec 2
PDX9:50 amPortland
19h 05m
3 stops
LUX1:55 pmLuxembourg
Dec 8
LUX10:35 amLuxembourg
31h 40m
3 stops
PDX9:15 amPortland
$850
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momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated septiembre 23, 2025.
Use the filters below to find and compare flights from Washington to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

8:00 am-10:00 am

2 stops17h 00m

Luxembourg

mar. 11/4

7:10 am-12:10 pm

1 stop14h 00m

$455

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

2:20 pm-1:40 pm

1 stop14h 20m

Luxembourg

mar. 11/4

8:20 am-12:10 pm

1 stop12h 50m

$469

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

7:15 pm-4:10 pm

2 stops35h 55m

Luxembourg

mar. 11/4

8:20 am-12:10 pm

1 stop12h 50m

$470

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

10:00 am-10:00 am

2 stops15h 00m

Luxembourg

mar. 11/4

7:10 am-10:16 pm

2 stops24h 06m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

1:30 pm-1:50 pm

1 stop15h 20m

Luxembourg

mar. 11/4

2:45 pm-11:45 am

1 stop30h 00m

$476

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 11/5

2:05 pm-1:50 pm

1 stop14h 45m

Luxembourg

mié. 11/12

7:30 am-1:20 pm

1 stop14h 50m

$477

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 11/5

12:41 pm-4:20 pm

2 stops18h 39m

Luxembourg

mié. 11/12

9:30 am-11:15 pm

3 stops22h 45m

$519

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

lun. 10/27

9:58 am-10:35 am

2 stops16h 37m

Luxembourg

mar. 11/4

7:30 am-5:27 pm

2 stops18h 57m

$580

PortlandLuxembourg

PDX - LUX

PDXLUX

Portland

mar. 12/2

9:50 am-4:20 pm

2 stops21h 30m

Luxembourg

lun. 12/8

10:35 am-9:15 am

3 stops31h 40m

$592

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 10/20

2:20 pm-4:10 pm

2 stops16h 50m

Luxembourg

mar. 11/4

9:30 am-11:15 pm

3 stops22h 45m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Luxembourg from

How to get the cheapest flight ticket from State of Washington to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Luxembourg?

If you are unable to visit Luxembourg during the month of August, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $520.

What is the cheapest day to depart on your flight to Luxembourg?

On average, the least expensive day to fly to Luxembourg from State of Washington is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $570. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Luxembourg on Thursday is $868.

What is the cheapest time of day to depart on your flight to Luxembourg?

According to our data, the cheapest time of day to fly to Luxembourg is in the evening. momondo users have found flights departing from State of Washington to Luxembourg in the evening for as low as $554. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $730.

Cheap State of Washington to Luxembourg flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Luxembourg

Direct flights

None
There are no direct flights from State of Washington to Luxembourg. There are no popular flight routes from State of Washington to Luxembourg.
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  • When did momondo last update prices for flights from Washington to Luxembourg?

    Prices for flights from Washington to Luxembourg are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Luxembourg?

  • How old do you have to be to fly from Washington to Luxembourg?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Luxembourg.

  • What documentation or ID do you need to fly to Luxembourg?

    The travel and health documents you'll need for your trip to Luxembourg may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Luxembourg. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Luxembourg

Compare and see reviews for airlines that fly from State of Washington to Luxembourg with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $396Free CancellationRating
6.7
7,391 reviews
Search British Airways flights
Air FrancePriceFrom $449Free CancellationRating
7.4
1,466 reviews
Search Air France flights
DeltaPriceFrom $496Free CancellationRating
7.9
7,974 reviews
Search Delta flights
LufthansaPriceFrom $601Free CancellationRating
6.8
7,421 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Luxembourg?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Luxembourg from Washington.

Can I find flights from Washington to Luxembourg with flexible booking policies on momondo?

momondo does allow users to show only those flights to Luxembourg from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Luxembourg?

Once all potential Washington to Luxembourg flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Luxembourg right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Luxembourg now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Luxembourg and let you know when they change.

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