$243+ Cheap flights from Seattle (SEA) 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Mar 9 — Mar 161
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
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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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Best
Last-minute
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 February 7, 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 7, 2026.
This Mytrip deal was found by Cheapflights users on 2/5. 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 2/5![Multiple Airlines logo]()
$457
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/38:00 am
SEA
- LUX
2 stops23h 20m
Multiple Airlines
Tue 3/107:10 am
LUX
- SEA
1 stop14h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$459
This Air France deal was found by Cheapflights users on 2/4. 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 4/66:40 pm
SEA
- LUX
1 stop30h 55m
Multiple Airlines
Mon 4/136:25 pm
LUX
- SEA
1 stop26h 20m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$473
This FlightHub deal was found by Cheapflights users on 2/5. 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 2/5![Lufthansa logo]()
$474
This British Airways deal was found by Cheapflights users on 2/2. 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 3/31:25 pm
SEA
- LUX
1 stop22h 45m
British Airways
Tue 3/1010:15 am
LUX
- SEA
1 stop15h 40m
British Airways
Deal found 2/2![British Airways logo]()
$478
This British Airways deal was found by Cheapflights users on 2/5. 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 2/5![British Airways logo]()
$482
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/77:37 pm
SEA
- LUX
2 stops38h 53m
United Airlines
Tue 4/148:30 am
LUX
- SEA
1 stop12h 50m
United Airlines
Deal found 2/6![United Airlines logo]()
$485
This Air Canada deal was found by Cheapflights users on 2/3. 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 8/411:30 am
SEA
- LUX
2 stops19h 40m
Air Canada
Wed 8/196:25 am
LUX
- SEA
2 stops22h 21m
Air Canada
Deal found 2/3![Air Canada logo]()
$486
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 7, 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 7, 2026.
This Air France deal was found by Cheapflights users on 2/4. 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 4/66:40 pm
SEA
- LUX
1 stop30h 55m
Multiple Airlines
Mon 4/136:25 pm
LUX
- SEA
1 stop26h 20m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$473
This FlightHub deal was found by Cheapflights users on 2/5. 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 2/5![Lufthansa logo]()
$474
This British Airways deal was found by Cheapflights users on 2/5. 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 3/97:50 pm
SEA
- LUX
1 stop30h 25m
British Airways
Mon 3/169:55 pm
LUX
- SEA
1 stop22h 35m
British Airways
Deal found 2/5![British Airways logo]()
$478
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/77:37 pm
SEA
- LUX
2 stops38h 53m
United Airlines
Tue 4/148:30 am
LUX
- SEA
1 stop12h 50m
United Airlines
Deal found 2/6![United Airlines logo]()
$485
This Air Canada deal was found by Cheapflights users on 2/4. 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 8/411:30 am
SEA
- LUX
2 stops19h 40m
Air Canada
Wed 8/196:25 am
LUX
- SEA
2 stops22h 21m
Air Canada
Deal found 2/4![Air Canada logo]()
$486
This FlightHub deal was found by Cheapflights users on 2/5. 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
Multiple Airlines
Wed 8/192:35 pm
LUX
- SEA
2 stops38h 11m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$476
This British Airways deal was found by Cheapflights users on 2/2. 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 3/31:25 pm
SEA
- LUX
1 stop22h 45m
British Airways
Tue 3/1010:15 am
LUX
- SEA
1 stop15h 40m
British Airways
Deal found 2/2![British Airways logo]()
$478
This British Airways deal was found by Cheapflights users on 2/3. 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 8/48:20 am
SEA
- LUX
2 stops17h 20m
British Airways
Wed 8/199:35 pm
LUX
- SEA
1 stop23h 00m
British Airways
Deal found 2/3![British Airways logo]()
$482
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated February 7, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 2/5. 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 2/112:15 pm
SEA
- LUX
1 stop14h 35m
Multiple Airlines
Mon 3/26:20 pm
LUX
- SEA
1 stop26h 15m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$573
This FlightHub deal was found by Cheapflights users on 2/6. 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 2/253:10 pm
SEA
- LUX
1 stop16h 10m
Lufthansa
Wed 3/410:35 am
LUX
- SEA
2 stops19h 21m
Lufthansa
Deal found 2/6![Lufthansa logo]()
$577
This Air France deal was found by Cheapflights users on 2/3. 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 2/3![Multiple Airlines logo]()
$572
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/38:00 am
SEA
- LUX
2 stops23h 20m
Multiple Airlines
Tue 3/107:10 am
LUX
- SEA
1 stop14h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$459
This British Airways deal was found by Cheapflights users on 2/2. 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 3/31:25 pm
SEA
- LUX
1 stop22h 45m
British Airways
Tue 3/1010:15 am
LUX
- SEA
1 stop15h 40m
British Airways
Deal found 2/2![British Airways logo]()
$478
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/39:00 am
SEA
- LUX
3 stops22h 20m
United Airlines
Tue 3/109:30 am
LUX
- SEA
2 stops32h 19m
United Airlines
Deal found 2/2![United Airlines logo]()
$492
This British Airways deal was found by Cheapflights users on 2/5. 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 2/5![British Airways logo]()
$482
This FlightHub deal was found by Cheapflights users on 2/5. 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.
Mon 3/97:00 am
SEA
- LUX
2 stops22h 55m
Multiple Airlines
Mon 3/167:05 pm
LUX
- SEA
2 stops35h 40m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$491
This Expedia deal was found by Cheapflights users on 2/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 am
SEA
- LUX
2 stops25h 20m
Lufthansa
Mon 3/306:25 pm
LUX
- SEA
2 stops35h 28m
Lufthansa
Deal found 2/6![Lufthansa logo]()
$510
This Mytrip deal was found by Cheapflights users on 2/6. 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 3/237:50 pm
SEA
- LUX
1 stop30h 25m
British Airways
Mon 3/309:05 pm
LUX
- SEA
2 stops33h 52m
British Airways
Deal found 2/6![British Airways logo]()
$515
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 7, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
This AirNGo deal was found by Cheapflights users on 2/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:20 pm
SEA
- LUX
1 stop29h 25m
British Airways
Deal found 2/4![British Airways logo]()
$243
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:40 am
SEA
- LUX
2 stops38h 45m
British Airways
Deal found 2/3![British Airways logo]()
$247
This AirNGo deal was found by Cheapflights users on 2/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:30 am
SEA
- LUX
2 stops17h 00m
Air Canada
Deal found 2/4![Air Canada logo]()
$248
This AirNGo deal was found by Cheapflights users on 2/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:40 am
SEA
- LUX
2 stops23h 10m
Air Canada
Deal found 2/4![Air Canada logo]()
$251
This Trip.com deal was found by Cheapflights users on 2/3. 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.
Wed 8/56:50 pm
SEA
- LUX
1 stop15h 40m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$266
This AirNGo deal was found by Cheapflights users on 2/4. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:50 pm
SEA
- LUX
1 stop15h 40m
Lufthansa
Deal found 2/4![Lufthansa logo]()
$319
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:40 am
SEA
- LUX
3 stops30h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$341
This British Airways deal was found by Cheapflights users on 2/2. 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 6/18:20 pm
SEA
- LUX
1 stop29h 20m
British Airways
Deal found 2/2![British Airways logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 6/39:55 am
SEA
- LUX
2 stops23h 40m
SWISS
Deal found 2/2![SWISS logo]()
$348
This KAYAK deal was found by Cheapflights users on 2/5. 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.
Sat 5/165:30 pm
SEA
- LUX
1 stop31h 25m
Scandinavian Airlines
Deal found 2/5![Scandinavian Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 7/86:50 pm
SEA
- LUX
3 stops31h 40m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$354
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Mon 6/19:55 am
SEA
- LUX
2 stops21h 15m
Air Canada
Deal found 2/2![Air Canada logo]()
$355
Find flight deals from Seattle to Luxembourg
Keep the following information in mind while searching for Seattle to Luxembourg flight deals. Data was last updated February 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $457 (Mytrip) |
One-way from | $243 (AirNGo) |
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 7, 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 4/6
6:40 pm-10:35 am
1 stop30h 55m
Luxembourg
Mon 4/13
6:25 pm-11:45 am
1 stop26h 20m
$473
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
6:50 pm-4:10 pm
1 stop12h 20m
Luxembourg
Wed 8/19
9:40 am-4:59 pm
1 stop16h 19m
$474
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
6:50 pm-4:10 pm
1 stop12h 20m
Luxembourg
Wed 8/19
2:35 pm-7:46 pm
2 stops38h 11m
$476
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Mon 3/9
7:50 pm-10:15 am
1 stop30h 25m
Luxembourg
Mon 3/16
9:55 pm-12:30 pm
1 stop22h 35m
$478
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 3/3
1:25 pm-9:10 pm
1 stop22h 45m
Luxembourg
Tue 3/10
10:15 am-5:55 pm
1 stop15h 40m
$478
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
8:20 am-10:40 am
2 stops17h 20m
Luxembourg
Wed 8/19
9:35 pm-11:35 am
1 stop23h 00m
$482
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 4/7
7:37 pm-7:30 pm
2 stops38h 53m
Luxembourg
Tue 4/14
8:30 am-12:20 pm
1 stop12h 50m
$485
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 8/4
11:30 am-4:10 pm
2 stops19h 40m
Luxembourg
Wed 8/19
6:25 am-7:46 pm
2 stops22h 21m
$486
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Tue 7/7
8:20 pm-10:45 am
1 stop29h 25m
$243
SeattleLuxembourg
SEA - LUX
SEALUX
Seattle/Tacoma Intl
Wed 8/5
10:40 am-10:25 am
2 stops38h 45m
$247
Showing 1-10 of 20 results
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
SEA-LU0
SEA-LUX
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 $306). Flying from Seattle 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.
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 7, 2026.
Read through reviews of airlines operating flights from Seattle to Luxembourg, such as SWISS, Air France, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Overall
7.6
Boarding
7.7
Crew
8.3
Entertainment
6.8
Food
7.1
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Comfort
7.4
Overall
7.6
Boarding
7.7
Crew
8.3
Entertainment
6.8
Food
7.1
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Comfort
7.4
Overall
7.6
Boarding
7.7
Crew
8.3
Entertainment
6.8
Food
7.1
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Comfort
7.4
Overall
7.6
Boarding
7.7
Crew
8.3
Entertainment
6.8
Food
7.1
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - ZRH
Comfort
7.4
Overall
7.6
Boarding
7.7
Crew
8.3
Entertainment
6.8
Food
7.1
Reviews
1 / 20
2.0
MediocreJoanne,Sep 2025
OPO - 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.
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Alternative routes for Seattle to Luxembourg
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Luxembourg by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Luxembourg by cabin class
Find flights from Seattle to Luxembourg, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Luxembourg flights
Browse other Seattle and Luxembourg flight options. Last updated on February 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Luxembourg flights
Consider these flights traveling from Seattle to Luxembourg.
Top 4 airlines flying from Seattle to Luxembourg
Discover the top 4 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 7, 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% |