$334+ Cheap flights from Seattle (SEA) to Luxembourg (LUX)
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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
May 18 — May 251
Round-trip
1 adult, Economy
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Find cheap flights from Seattle 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Seattle to Luxembourg
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Best
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One-way
Cheapest flights from Seattle to LuxembourgExplore the most affordable flight options available from Seattle to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
Explore the most affordable flight options available from Seattle to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 9/273:55 pm
SEA
- LUX
1 stop18h 20m
Scandinavian Airlines
Thu 10/17:55 pm
LUX
- SEA
1 stop26h 50m
Scandinavian Airlines
Deal found 4/14![Scandinavian Airlines logo]()
$672
This Justfly.com deal was found by Cheapflights users on 4/13. 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.
Tue 8/186:50 pm
SEA
- LUX
1 stop12h 20m
Multiple Airlines
Wed 8/2610:15 am
LUX
- SEA
2 stops17h 17m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$688
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:30 pm
SEA
- LUX
1 stop12h 10m
British Airways
Wed 8/199:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 4/17![British Airways logo]()
$689
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Tue 8/186:50 pm
SEA
- LUX
1 stop12h 20m
Lufthansa
Wed 8/266:25 am
LUX
- SEA
1 stop14h 30m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$692
This United Airlines deal was found by Cheapflights users on 4/13. 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 8/411:02 am
SEA
- LUX
2 stops20h 08m
United Airlines
Wed 8/199:40 am
LUX
- SEA
1 stop16h 19m
United Airlines
Deal found 4/13![United Airlines logo]()
$700
This FlightHub deal was found by Cheapflights users on 4/14. 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 8/47:01 am
SEA
- LUX
2 stops17h 59m
Lufthansa
Wed 8/196:25 am
LUX
- SEA
1 stop14h 30m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$703
This British Airways deal was found by Cheapflights users on 4/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:30 pm
SEA
- LUX
1 stop21h 15m
British Airways
Wed 8/2611:35 am
LUX
- SEA
2 stops21h 15m
British Airways
Deal found 4/16![British Airways logo]()
$707
Best flights from Seattle to LuxembourgDiscover carefully curated flight deals from Seattle to Luxembourg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
Discover carefully curated flight deals from Seattle to Luxembourg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 9/273:55 pm
SEA
- LUX
1 stop18h 20m
Scandinavian Airlines
Thu 10/17:55 pm
LUX
- SEA
1 stop26h 50m
Scandinavian Airlines
Deal found 4/14![Scandinavian Airlines logo]()
$672
This Justfly.com deal was found by Cheapflights users on 4/13. 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.
Tue 8/186:50 pm
SEA
- LUX
1 stop12h 20m
Lufthansa
Wed 8/266:25 am
LUX
- SEA
1 stop14h 30m
Lufthansa
Deal found 4/13![Lufthansa logo]()
$692
This British Airways deal was found by Cheapflights users on 4/14. 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.
Tue 8/41:30 pm
SEA
- LUX
1 stop12h 10m
British Airways
Wed 8/1911:35 am
LUX
- SEA
1 stop33h 00m
British Airways
Deal found 4/14![British Airways logo]()
$696
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Tue 8/187:00 am
SEA
- LUX
2 stops18h 00m
Multiple Airlines
Wed 8/2610:15 am
LUX
- SEA
2 stops17h 17m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:01 am
SEA
- LUX
2 stops24h 09m
United Airlines
Wed 8/199:40 am
LUX
- SEA
1 stop16h 19m
United Airlines
Deal found 4/15![United Airlines logo]()
$700
This British Airways deal was found by Cheapflights users on 4/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:30 pm
SEA
- LUX
1 stop21h 15m
British Airways
Wed 8/2611:35 am
LUX
- SEA
2 stops21h 15m
British Airways
Deal found 4/16![British Airways logo]()
$707
This United Airlines deal was found by Cheapflights users on 4/13. 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 8/1811:05 am
SEA
- LUX
2 stops20h 05m
United Airlines
Wed 8/268:20 am
LUX
- SEA
3 stops24h 04m
United Airlines
Deal found 4/13![United Airlines logo]()
$708
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated April 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:10 pm
SEA
- LUX
1 stop29h 15m
Turkish Airlines
Fri 4/246:35 pm
LUX
- SEA
1 stop31h 40m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:54 pm
SEA
- LUX
2 stops21h 36m
United Airlines
Fri 4/248:20 am
LUX
- SEA
2 stops23h 52m
United Airlines
Deal found 4/16![United Airlines logo]()
$1,073
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:00 am
SEA
- LUX
3 stops23h 55m
Multiple Airlines
Fri 4/247:55 pm
LUX
- SEA
3 stops29h 05m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$2,126
This business-class.com deal was found by Cheapflights users on 4/15. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:45 am
SEA
- LUX
2 stops18h 05m
Multiple Airlines
Fri 5/296:15 am
LUX
- SEA
2 stops19h 44m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$5,519
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Fri 5/293:40 pm
SEA
- LUX
3 stops33h 10m
Multiple Airlines
Fri 6/58:00 pm
LUX
- SEA
3 stops33h 40m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$953
This Lufthansa deal was found by Cheapflights users on 4/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:50 pm
SEA
- LUX
1 stop29h 05m
Lufthansa
Fri 6/58:10 pm
LUX
- SEA
1 stop29h 49m
Lufthansa
Deal found 4/13![Lufthansa logo]()
$1,196
One-way flights from Seattle to LuxembourgSearch for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:32 pm
SEA
- LUX
2 stops17h 28m
American Airlines
Deal found 4/16![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:30 pm
SEA
- LUX
1 stop12h 10m
American Airlines
Deal found 4/16![American Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:00 pm
SEA
- LUX
3 stops29h 50m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:51 pm
SEA
- LUX
2 stops36h 19m
United Airlines
Deal found 4/16![United Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 pm
SEA
- LUX
3 stops39h 15m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 6/2311:25 pm
SEA
- LUX
3 stops24h 45m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 6/2410:30 am
SEA
- LUX
3 stops37h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 6/217:00 pm
SEA
- LUX
3 stops35h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 6/207:35 pm
SEA
- LUX
3 stops41h 20m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:50 pm
SEA
- LUX
1 stop12h 20m
United Airlines
Deal found 4/16![United Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/2211:25 pm
SEA
- LUX
3 stops26h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:32 pm
SEA
- LUX
2 stops45h 48m
American Airlines
Deal found 4/16![American Airlines logo]()
$450
Find flight deals from Seattle to Luxembourg
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Luxembourg (LUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $672 (Scandinavian Airlines) |
One-way from | $344 (American Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $692 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 April 18, 2026.
Use the filters below to find and compare flights from Seattle to Luxembourg that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 9/27
3:55 pm-7:15 pm
1 stop18h 20m
Luxembourg
Thu 10/1
7:55 pm-1:45 pm
1 stop26h 50m
$672
Quickest round-trip
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/18
6:50 pm-4:10 pm
1 stop12h 20m
Luxembourg
Wed 8/26
6:25 am-11:55 am
1 stop14h 30m
$692
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
1:30 pm-10:40 am
1 stop12h 10m
Luxembourg
Wed 8/19
11:35 am-11:35 am
1 stop33h 00m
$696
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/18
7:00 am-10:00 am
2 stops18h 00m
Luxembourg
Wed 8/26
10:15 am-6:32 pm
2 stops17h 17m
$700
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
7:01 am-4:10 pm
2 stops24h 09m
Luxembourg
Wed 8/19
9:40 am-4:59 pm
1 stop16h 19m
$700
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/18
1:30 pm-7:45 pm
1 stop21h 15m
Luxembourg
Wed 8/26
11:35 am-11:50 pm
2 stops21h 15m
$707
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/18
11:05 am-4:10 pm
2 stops20h 05m
Luxembourg
Wed 8/26
8:20 am-11:24 pm
3 stops24h 04m
$708
Cheapest one-way
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Wed 4/22
7:00 pm-11:30 am
3 stops31h 30m
$334
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 9/6
7:00 pm-7:15 pm
3 stops39h 15m
$374
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 8/23
6:50 pm-7:30 pm
1 stop15h 40m
$445
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Seattle to Luxembourg
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Luxembourg in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Luxembourg flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Luxembourg flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Luxembourg flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Luxembourg flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Luxembourg flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Luxembourg
Have a flexible travel schedule? Discover the best time to fly to Luxembourg from Seattle with our price prediction graph.
SEA-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 Seattle to Luxembourg
What is the cheapest month to book a flight from Seattle to Luxembourg?
Currently, August is the cheapest month in which you can book a flight from Seattle to Luxembourg (average of $441). Flying from Seattle to Luxembourg in June is currently the most expensive (average of $1,039). 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.
How much does it cost to fly round-trip from Seattle to Luxembourg?
Reviews of airlines servicing Luxembourg
Get insights into the airlines that provide service to Luxembourg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luxembourg. Reviews last updated April 18, 2026.
Read through reviews of airlines operating flights from Seattle to Luxembourg, such as SWISS,Air France, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Comfort
7.4
Crew
8.3
Boarding
7.7
Entertainment
6.8
Overall
7.6
Food
7.1
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Related info for your journey
Find useful and relevant information for your journey from Seattle to Luxembourg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Luxembourg?
Book flights to Luxembourg if you plan to visit one of these locationsEsch-sur-Alzette
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Other flights to Luxembourg
Explore flights to Luxembourg departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Seattle and Luxembourg flights
Browse other Seattle and Luxembourg flight options. Last updated on April 18, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Luxembourg
Discover the top 5 airlines that operate flights from Seattle 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$306 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$396 | Average$524 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$449 | Average$723 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$490 | Average$685 | FlexibilityNo cancel fee | On-time76% |