$245+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Mar 22 — Mar 291
1 adult, Economy
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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 Seattle to Luxembourg
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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 February 20, 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 February 20, 2026.
This Air France deal was found by Cheapflights users on 2/20. 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 3/306:40 pm
SEA
- LUX
1 stop30h 55m
Multiple Airlines
Wed 4/156:00 am
LUX
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 2/20. 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 3/3010:25 pm
SEA
- LUX
2 stops26h 30m
Delta
Wed 4/152:35 pm
LUX
- SEA
1 stop30h 10m
Delta
Deal found 2/20![Delta logo]()
$476
This Air France deal was found by Cheapflights users on 2/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:40 pm
SEA
- LUX
1 stop18h 05m
Multiple Airlines
Fri 4/106:00 am
LUX
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$478
This Air France deal was found by Cheapflights users on 2/20. 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 stop12h 05m
Air France
Wed 8/1910:50 am
LUX
- SEA
1 stop15h 44m
Air France
Deal found 2/20![Air France logo]()
$479
This British Airways deal was found by Cheapflights users on 2/20. 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 8/46:00 am
SEA
- LUX
2 stops19h 40m
British Airways
Wed 8/199:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 2/20![British Airways logo]()
$481
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 8/43:34 pm
SEA
- LUX
2 stops19h 11m
American Airlines
Wed 8/1911:35 am
LUX
- SEA
2 stops22h 19m
American Airlines
Deal found 2/20![American Airlines logo]()
$490
This KAYAK deal was found by Cheapflights users on 2/17. 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 4/126:50 pm
SEA
- LUX
1 stop15h 40m
Lufthansa
Mon 4/202:25 pm
LUX
- SEA
1 stop30h 55m
Lufthansa
Deal found 2/17![Lufthansa logo]()
$501
This British Airways deal was found by Cheapflights users on 2/18. 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 8/188:20 am
SEA
- LUX
2 stops17h 20m
British Airways
Wed 8/269:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 2/18![British Airways logo]()
$512
This KAYAK deal was found by Cheapflights users on 2/17. 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.
Wed 4/82:10 pm
SEA
- LUX
1 stop14h 40m
Lufthansa
Mon 4/202:25 pm
LUX
- SEA
1 stop30h 55m
Lufthansa
Deal found 2/17![Lufthansa logo]()
$513
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 February 20, 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 February 20, 2026.
This Delta deal was found by Cheapflights users on 2/20. 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 3/3010:25 pm
SEA
- LUX
2 stops26h 30m
Delta
Wed 4/152:35 pm
LUX
- SEA
1 stop30h 10m
Delta
Deal found 2/20![Delta logo]()
$476
This Air France deal was found by Cheapflights users on 2/18. 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 stop12h 05m
Air France
Wed 8/197:30 am
LUX
- SEA
1 stop19h 04m
Air France
Deal found 2/18![Air France logo]()
$479
This British Airways deal was found by Cheapflights users on 2/18. 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 8/46:00 am
SEA
- LUX
2 stops19h 40m
British Airways
Wed 8/199:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 2/18![British Airways logo]()
$482
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 8/43:34 pm
SEA
- LUX
2 stops19h 11m
American Airlines
Wed 8/1911:35 am
LUX
- SEA
2 stops20h 41m
American Airlines
Deal found 2/18![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 am
SEA
- LUX
2 stops26h 10m
United Airlines
Wed 8/199:40 am
LUX
- SEA
1 stop16h 19m
United Airlines
Deal found 2/17![United Airlines logo]()
$526
This British Airways deal was found by Cheapflights users on 2/19. 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 8/186:10 am
SEA
- LUX
2 stops19h 30m
British Airways
Wed 8/269:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 2/19![British Airways logo]()
$512
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:50 pm
SEA
- LUX
1 stop15h 40m
United Airlines
Sun 4/199:35 am
LUX
- SEA
2 stops22h 02m
United Airlines
Deal found 2/17![United Airlines logo]()
$537
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated February 20, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 2/19. 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 2/19![Multiple Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 2/19. 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 3/18:30 am
SEA
- LUX
2 stops20h 45m
Delta
Wed 5/136:00 am
LUX
- SEA
1 stop19h 30m
Delta
Deal found 2/19![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 2/16. 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 3/33:05 pm
SEA
- LUX
1 stop14h 05m
Delta
Fri 3/136:00 am
LUX
- SEA
1 stop14h 35m
Delta
Deal found 2/16![Delta logo]()
$580
This Delta deal was found by Cheapflights users on 2/19. 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 3/187:15 am
SEA
- LUX
2 stops19h 10m
Delta
Tue 3/246:00 am
LUX
- SEA
2 stops26h 03m
Delta
Deal found 2/19![Delta logo]()
$585
This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:00 am
SEA
- LUX
2 stops18h 00m
Multiple Airlines
Fri 4/36:15 am
LUX
- SEA
1 stop15h 05m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$536
This Air France deal was found by Cheapflights users on 2/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:40 pm
SEA
- LUX
1 stop18h 05m
Multiple Airlines
Fri 4/106:00 am
LUX
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2810:58 pm
SEA
- LUX
2 stops25h 57m
Delta
Fri 4/106:00 am
LUX
- SEA
1 stop14h 45m
Delta
Deal found 2/17![Delta logo]()
$528
This Air France deal was found by Cheapflights users on 2/20. 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 3/306:40 pm
SEA
- LUX
1 stop30h 55m
Multiple Airlines
Wed 4/156:00 am
LUX
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 2/20. 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 3/3010:25 pm
SEA
- LUX
2 stops26h 30m
Delta
Wed 4/152:35 pm
LUX
- SEA
1 stop30h 10m
Delta
Deal found 2/20![Delta logo]()
$476
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 February 20, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This United Airlines deal was found by Cheapflights users on 2/19. 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 8/116:50 pm
SEA
- LUX
1 stop12h 20m
United Airlines
Deal found 2/19![United Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 8/104:35 pm
SEA
- LUX
1 stop12h 20m
SWISS
Deal found 2/19![SWISS logo]()
$246
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Wed 8/128:00 am
SEA
- LUX
2 stops20h 50m
Air Canada
Deal found 2/19![Air Canada logo]()
$266
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Thu 8/1310:40 am
SEA
- LUX
2 stops24h 45m
British Airways
Deal found 2/19![British Airways logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 8/167:10 pm
SEA
- LUX
1 stop28h 25m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 2/19. 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 8/1411:20 pm
SEA
- LUX
2 stops23h 25m
United Airlines
Deal found 2/19![United Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 8/107:10 pm
SEA
- LUX
2 stops29h 20m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 2/19. 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 8/166:10 am
SEA
- LUX
2 stops29h 10m
American Airlines
Deal found 2/19![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 2/19. 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 8/1511:30 pm
SEA
- LUX
2 stops31h 30m
American Airlines
Deal found 2/19![American Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 8/116:50 pm
SEA
- LUX
3 stops27h 50m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$363
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 February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $472 (Air France) |
One-way from | $245 (United Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $477 |
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 February 20, 2026.
Use the filters below to find and compare flights from Seattle to Luxembourg that are best for you.
Fly from
Seattle
Fly to
Luxembourg
Route
Depart
Return
Price
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Mon 3/30
10:25 pm-9:55 am
2 stops26h 30m
Luxembourg
Wed 4/15
2:35 pm-11:45 am
1 stop30h 10m
$476
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
1:30 pm-10:35 am
1 stop12h 05m
Luxembourg
Wed 8/19
7:30 am-5:34 pm
1 stop19h 04m
$479
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
6:00 am-10:40 am
2 stops19h 40m
Luxembourg
Wed 8/19
9:35 pm-11:35 am
1 stop23h 00m
$482
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
3:34 pm-7:45 pm
2 stops19h 11m
Luxembourg
Wed 8/19
11:35 am-11:16 pm
2 stops20h 41m
$490
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/18
6:10 am-10:40 am
2 stops19h 30m
Luxembourg
Wed 8/26
9:35 pm-11:35 am
1 stop23h 00m
$512
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
5:00 am-4:10 pm
2 stops26h 10m
Luxembourg
Wed 8/19
9:40 am-4:59 pm
1 stop16h 19m
$526
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Sun 4/12
6:50 pm-7:30 pm
1 stop15h 40m
Luxembourg
Sun 4/19
9:35 am-10:37 pm
2 stops22h 02m
$537
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/11
6:50 pm-4:10 pm
1 stop12h 20m
$245
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Wed 8/12
6:50 pm-7:30 pm
1 stop15h 40m
$245
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Mon 8/10
4:35 pm-1:55 pm
1 stop12h 20m
$246
Showing 1-10 of 17 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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
Prices
More
What’s the top layover airport for flights from Seattle to Luxembourg?
Share of 1-stop round-trip flights from Seattle to Luxembourg chosen by Cheapflights users in the past 12 months, using the same layover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 80% of 1-stop itineraries from Seattle to Luxembourg on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Luxembourg?
Average round-trip fare for 1-stop flights from Seattle to Luxembourg, chosen by Cheapflights users in the past 12 months, with the same layover each way.
London (LHR) is the most affordable 1-stop option, with an average round-trip price of $524.
What’s the fastest layover option from Seattle to Luxembourg?
Shortest average travel time for 1-stop one-way flights from Seattle to Luxembourg, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 12h 20m.
Which airport typically offers the quickest layover for flights from Seattle to Luxembourg?
Average layover duration for 1-stop one-way flights from Seattle to Luxembourg, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via London (LHR) offer the fastest connection on this route, with an average layover time of 2h 28m.
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 February 20, 2026.
Read through reviews of airlines operating flights from Seattle to Luxembourg, such as SWISS, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
Food
7.1
Crew
8.3
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Overall
7.5
Reviews
1 / 20
6.0
GoodYvette,Nov 2024
ZRH - ATH
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.
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Book flights to Luxembourg if you plan to visit one of these locationsEsch-sur-Alzette
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Explore flights to Luxembourg departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 20, 2026.
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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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$306 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$396 | Average$546 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$449 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$575 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$490 | Average$712 | FlexibilityNo cancel fee | On-time76% |