$296+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Mar 3 — Mar 101
1 adult, Economy
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Find cheap flights from Washington to Luxembourg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington to Luxembourg
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Cheapest flights from Washington to LuxembourgExplore 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 February 1, 2026.
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 February 1, 2026.
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:00 am
SEA
- LUX
2 stops24h 20m
Multiple Airlines
Tue 3/248:20 am
LUX
- SEA
1 stop12h 50m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$465
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Tue 8/46:50 pm
SEA
- LUX
1 stop12h 20m
Multiple Airlines
Wed 8/196:25 am
LUX
- SEA
2 stops22h 21m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$468
This Air France deal was found by Cheapflights users on 1/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:10 pm
SEA
- LUX
1 stop14h 40m
Multiple Airlines
Wed 5/136:00 am
LUX
- SEA
1 stop19h 30m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$473
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:10 pm
SEA
- LUX
1 stop14h 40m
Multiple Airlines
Tue 3/1710:55 am
LUX
- SEA
1 stop33h 40m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$474
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:50 pm
SEA
- LUX
1 stop12h 20m
Lufthansa
Wed 8/199:40 am
LUX
- SEA
1 stop16h 19m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$475
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:00 am
SEA
- LUX
2 stops24h 20m
Multiple Airlines
Mon 3/2310:35 am
LUX
- SEA
1 stop34h 35m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$477
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:30 pm
SEA
- LUX
1 stop15h 20m
Air France
Wed 8/197:30 am
LUX
- SEA
1 stop19h 04m
Air France
Deal found 1/30![Air France logo]()
$480
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:52 pm
SEA
- LUX
2 stops31h 18m
United Airlines
Wed 8/199:40 am
LUX
- SEA
1 stop16h 19m
United Airlines
Deal found 1/30![United Airlines logo]()
$482
This British Airways deal was found by Cheapflights users on 1/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:37 pm
SEA
- LUX
2 stops23h 28m
British Airways
Mon 3/165:10 pm
LUX
- SEA
1 stop27h 20m
British Airways
Deal found 1/30![British Airways logo]()
$483
This Delta deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:10 am
SEA
- LUX
2 stops22h 05m
Delta
Wed 5/136:00 am
LUX
- SEA
1 stop14h 42m
Delta
Deal found 1/31![Delta logo]()
$484
This Justfly.com deal was found by Cheapflights users on 1/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:00 am
SEA
- LUX
2 stops17h 55m
Lufthansa
Tue 3/178:20 am
LUX
- SEA
1 stop12h 50m
Lufthansa
Deal found 1/30![Lufthansa logo]()
$485
This Air Canada deal was found by Cheapflights users on 1/31. 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.
Tue 8/1811:30 am
SEA
- LUX
2 stops19h 40m
Air Canada
Wed 8/2610:15 am
LUX
- SEA
2 stops21h 07m
Air Canada
Deal found 1/31![Air Canada logo]()
$486
Best flights from Washington to LuxembourgDiscover carefully curated flight deals from Washington to Luxembourg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 1, 2026.
Discover carefully curated flight deals from Washington to Luxembourg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 1, 2026.
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:00 am
SEA
- LUX
2 stops24h 20m
Multiple Airlines
Tue 3/248:20 am
LUX
- SEA
1 stop12h 50m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 1/31. 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.
Sun 3/17:10 am
SEA
- LUX
2 stops22h 05m
Delta
Wed 5/136:00 am
LUX
- SEA
1 stop14h 42m
Delta
Deal found 1/31![Delta logo]()
$484
This Justfly.com deal was found by Cheapflights users on 1/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:00 am
SEA
- LUX
2 stops17h 55m
Lufthansa
Tue 3/178:20 am
LUX
- SEA
1 stop12h 50m
Lufthansa
Deal found 1/30![Lufthansa logo]()
$485
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:55 am
SEA
- LUX
2 stops21h 25m
United Airlines
Tue 3/249:30 am
LUX
- SEA
2 stops34h 10m
United Airlines
Deal found 1/31![United Airlines logo]()
$492
This British Airways deal was found by Cheapflights users on 1/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:45 pm
PDX
- LUX
1 stop14h 05m
British Airways
Sun 3/86:15 pm
LUX
- PDX
1 stop30h 40m
British Airways
Deal found 1/30![British Airways logo]()
$531
This Scandinavian Airlines deal was found by Cheapflights users on 1/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:25 am
PDX
- LUX
2 stops27h 15m
Scandinavian Airlines
Sun 3/81:35 pm
LUX
- PDX
2 stops40h 35m
Scandinavian Airlines
Deal found 1/29![Scandinavian Airlines logo]()
$631
This Air France deal was found by Cheapflights users on 1/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:10 pm
SEA
- LUX
1 stop14h 40m
Multiple Airlines
Wed 5/136:00 am
LUX
- SEA
1 stop19h 30m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$473
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:10 pm
SEA
- LUX
1 stop14h 40m
Multiple Airlines
Mon 3/1610:55 am
LUX
- SEA
1 stop33h 40m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$474
This Trip.com deal was found by Cheapflights users on 1/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:30 pm
PDX
- LUX
1 stop30h 10m
British Airways
Mon 5/189:05 pm
LUX
- PDX
1 stop29h 35m
British Airways
Deal found 1/31![British Airways logo]()
$537
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/12:10 pm
SEA
- LUX
1 stop14h 40m
Multiple Airlines
Tue 3/1710:55 am
LUX
- SEA
1 stop33h 40m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$474
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:00 am
SEA
- LUX
2 stops24h 20m
Multiple Airlines
Mon 3/2310:35 am
LUX
- SEA
1 stop34h 35m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 1/29. 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 2/176:15 am
PDX
- LUX
2 stops19h 10m
Delta
Tue 2/242:45 pm
LUX
- PDX
1 stop29h 40m
Delta
Deal found 1/29![Delta logo]()
$680
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:00 am
SEA
- LUX
2 stops18h 00m
Multiple Airlines
Mon 3/236:50 pm
LUX
- SEA
1 stop26h 20m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$494
This British Airways deal was found by Cheapflights users on 1/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:45 pm
PDX
- LUX
1 stop30h 45m
British Airways
Tue 2/249:55 pm
LUX
- PDX
1 stop27h 00m
British Airways
Deal found 1/29![British Airways logo]()
$673
This Delta deal was found by Cheapflights users on 1/29. 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.
Mon 2/1612:40 am
PDX
- LUX
2 stops24h 45m
Delta
Fri 2/276:00 am
LUX
- PDX
1 stop14h 25m
Delta
Deal found 1/29![Delta logo]()
$680
This British Airways deal was found by Cheapflights users on 1/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:45 pm
PDX
- LUX
1 stop31h 30m
British Airways
Tue 2/249:55 pm
LUX
- PDX
1 stop27h 00m
British Airways
Deal found 1/29![British Airways logo]()
$673
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:25 pm
PDX
- LUX
2 stops57h 05m
Multiple Airlines
Mon 5/188:10 pm
LUX
- PDX
2 stops37h 23m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$535
This British Airways deal was found by Cheapflights users on 1/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:45 pm
PDX
- LUX
1 stop30h 45m
British Airways
Thu 2/269:55 pm
LUX
- PDX
1 stop27h 00m
British Airways
Deal found 1/29![British Airways logo]()
$673
Last-minute flights from Washington to LuxembourgDiscover last-minute flight deals from Washington to Luxembourg. Data last updated February 1, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Luxembourg. Data last updated February 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:05 pm
SEA
- LUX
1 stop17h 45m
Delta
Sun 2/810:55 am
LUX
- SEA
2 stops20h 30m
Delta
Deal found 1/30![Delta logo]()
$641
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:15 pm
SEA
- LUX
1 stop22h 40m
Multiple Airlines
Mon 2/96:20 pm
LUX
- SEA
1 stop26h 20m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$624
This KLM deal was found by Cheapflights users on 1/30. 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.
Fri 2/68:00 am
SEA
- LUX
2 stops17h 25m
KLM
Mon 2/910:55 am
LUX
- SEA
1 stop33h 45m
KLM
Deal found 1/30![KLM logo]()
$635
This Air France deal was found by Cheapflights users on 1/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:05 am
PDX
- LUX
2 stops15h 30m
Multiple Airlines
Tue 2/246:20 pm
LUX
- PDX
1 stop26h 05m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$676
This Air France deal was found by Cheapflights users on 1/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:05 am
PDX
- LUX
2 stops15h 30m
Multiple Airlines
Mon 2/236:00 am
LUX
- PDX
1 stop14h 25m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:00 am
PDX
- LUX
2 stops27h 30m
United Airlines
Thu 2/269:30 am
LUX
- PDX
2 stops18h 19m
United Airlines
Deal found 1/29![United Airlines logo]()
$689
This Delta deal was found by Cheapflights users on 1/29. 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.
Sat 2/145:25 pm
PDX
- LUX
2 stops39h 25m
Delta
Fri 2/276:00 am
LUX
- PDX
1 stop14h 25m
Delta
Deal found 1/29![Delta logo]()
$691
This British Airways deal was found by Cheapflights users on 1/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:45 pm
PDX
- LUX
1 stop30h 45m
British Airways
Thu 2/269:55 pm
LUX
- PDX
1 stop27h 00m
British Airways
Deal found 1/29![British Airways logo]()
$673
This Air France deal was found by Cheapflights users on 1/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1511:35 am
PDX
- LUX
2 stops17h 15m
Multiple Airlines
Tue 2/2410:55 am
LUX
- PDX
2 stops18h 30m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 1/29. 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 2/176:15 am
PDX
- LUX
2 stops19h 10m
Delta
Tue 2/242:45 pm
LUX
- PDX
1 stop29h 40m
Delta
Deal found 1/29![Delta logo]()
$680
This Delta deal was found by Cheapflights users on 1/29. 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 2/177:00 am
PDX
- LUX
2 stops18h 25m
Delta
Mon 2/232:45 pm
LUX
- PDX
2 stops35h 48m
Delta
Deal found 1/29![Delta logo]()
$690
This Air France deal was found by Cheapflights users on 2/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:15 pm
SEA
- LUX
1 stop14h 35m
Multiple Airlines
Wed 3/46:00 am
LUX
- SEA
1 stop14h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$574
One-way flights from Washington to LuxembourgSearch for one-way flight options from Washington to Luxembourg. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
Search for one-way flight options from Washington to Luxembourg. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:35 pm
SEA
- LUX
3 stops38h 35m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$296
This Booking.com deal was found by Cheapflights users on 1/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:00 pm
SEA
- LUX
1 stop14h 55m
Lufthansa
Deal found 1/29![Lufthansa logo]()
$418
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 February 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $465 (Gotogate) |
One-way from | $296 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $507 |
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 February 1, 2026.
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
Tue 3/17
8:00 am-4:20 pm
2 stops24h 20m
Luxembourg
Tue 3/24
8:20 am-1:10 pm
1 stop12h 50m
$465
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 3/1
2:10 pm-1:50 pm
1 stop14h 40m
Luxembourg
Wed 5/13
6:00 am-4:30 pm
1 stop19h 30m
$473
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Mon 3/9
3:10 pm-1:50 pm
1 stop14h 40m
Luxembourg
Mon 3/16
10:55 am-12:35 pm
1 stop33h 40m
$474
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 3/1
2:10 pm-1:50 pm
1 stop14h 40m
Luxembourg
Tue 3/17
10:55 am-12:35 pm
1 stop33h 40m
$474
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 3/17
8:00 am-4:20 pm
2 stops24h 20m
Luxembourg
Mon 3/23
10:35 am-1:10 pm
1 stop34h 35m
$477
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 3/1
7:10 am-2:15 pm
2 stops22h 05m
Luxembourg
Wed 5/13
6:00 am-11:42 am
1 stop14h 42m
$484
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 3/1
7:00 am-9:55 am
2 stops17h 55m
Luxembourg
Tue 3/17
8:20 am-1:10 pm
1 stop12h 50m
$485
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 3/17
10:55 am-4:20 pm
2 stops21h 25m
Luxembourg
Tue 3/24
9:30 am-11:40 am
2 stops34h 10m
$492
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Mon 3/16
8:00 am-10:00 am
2 stops18h 00m
Luxembourg
Mon 3/23
6:50 pm-1:10 pm
1 stop26h 20m
$494
PortlandLuxembourg
PDX - LUX
PDXLUX
Portland
Wed 3/4
5:45 pm-4:50 pm
1 stop14h 05m
Luxembourg
Sun 3/8
6:15 pm-4:55 pm
1 stop30h 40m
$531
Showing 1-10 of 20 results
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.
SEA-LUX
PDX-LUX
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
USWA-LU0
SEA-LUX
PDX-LUX
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.
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
Top 4 airlines flying from Washington to Luxembourg
Discover the top 4 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 February 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$306 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$396 | Average$528 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$449 | Average$561 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$591 | Average$727 | FlexibilityNo cancel fee | On-time76% |