$368+ Cheap flights from Seattle (SEA) to Luxembourg (LUX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Nov 24 — Dec 11
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
Cheapest
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 October 25, 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 October 25, 2026.
This Gotogate deal was found by Cheapflights users on 10/21. 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.
Wed 11/182:50 pm -
1 stop16h 40m
Wed 11/2510:35 am -
2 stops19h 24m
Deal found 10/21![Multiple Airlines logo]()
$759
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 12/81:30 pm -
1 stop22h 35m
Wed 12/169:55 pm -
1 stop22h 30m
Deal found 10/21![British Airways logo]()
$761
This Gotogate deal was found by Cheapflights users on 10/21. 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 12/87:45 am -
2 stops21h 10m
Wed 12/166:50 am -
1 stop14h 10m
Deal found 10/21![Multiple Airlines logo]()
$762
This Expedia deal was found by Cheapflights users on 10/21. 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.
Wed 11/182:50 pm -
1 stop16h 40m
Wed 11/256:50 am -
1 stop14h 10m
Deal found 10/21![Lufthansa logo]()
$768
This FlightHub deal was found by Cheapflights users on 10/23. 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 11/252:50 pm -
1 stop16h 40m
Mon 11/307:10 pm -
2 stops34h 37m
Deal found 10/23![Multiple Airlines logo]()
$822
This Expedia deal was found by Cheapflights users on 10/21. 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.
Thu 12/31:40 pm -
1 stop22h 25m
Mon 12/149:55 pm -
1 stop22h 30m
Deal found 10/21![British Airways logo]()
$823
This FlightHub deal was found by Cheapflights users on 10/22. 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 10/266:12 am -
2 stops43h 58m
Wed 11/119:55 pm -
1 stop27h 55m
Deal found 10/22![British Airways logo]()
$827
This Travelis deal was found by Cheapflights users on 10/25. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
2 stops18h 45m
Wed 11/189:55 pm -
1 stop22h 30m
Deal found 10/25![British Airways logo]()
$830
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 October 25, 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 October 25, 2026.
This Expedia deal was found by Cheapflights users on 10/24. 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 3/16:45 pm -
1 stop17h 15m
Mon 3/225:15 pm -
1 stop27h 10m
Deal found 10/24![British Airways logo]()
$708
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/186:50 pm -
1 stop15h 40m
Wed 4/218:20 am -
1 stop12h 35m
Deal found 10/20![United Airlines logo]()
$711
This Gotogate deal was found by Cheapflights users on 10/21. 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 12/87:45 am -
2 stops21h 10m
Wed 12/166:50 am -
2 stops15h 10m
Deal found 10/21![Multiple Airlines logo]()
$793
This British Airways deal was found by Cheapflights users on 10/22. 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 1/2510:22 am -
2 stops25h 38m
Mon 2/19:55 pm -
2 stops31h 18m
Deal found 10/22![British Airways logo]()
$734
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Thu 12/310:52 am -
2 stops38h 43m
Mon 12/1410:50 am -
1 stop33h 35m
Deal found 10/21![British Airways logo]()
$855
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated October 25, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/22. 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 10/266:12 am -
2 stops43h 58m
Wed 11/119:55 pm -
1 stop27h 55m
Deal found 10/22![British Airways logo]()
$827
This Travelis deal was found by Cheapflights users on 10/25. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 am -
2 stops18h 45m
Wed 11/189:55 pm -
1 stop22h 30m
Deal found 10/25![British Airways logo]()
$830
This Gotogate deal was found by Cheapflights users on 10/21. 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.
Wed 11/182:50 pm -
1 stop16h 40m
Wed 11/2510:35 am -
2 stops19h 24m
Deal found 10/21![Multiple Airlines logo]()
$759
This Expedia deal was found by Cheapflights users on 10/21. 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.
Wed 11/182:50 pm -
1 stop16h 40m
Wed 11/256:50 am -
1 stop14h 10m
Deal found 10/21![Lufthansa logo]()
$768
This FlightHub deal was found by Cheapflights users on 10/23. 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 11/252:50 pm -
1 stop16h 40m
Mon 11/307:10 pm -
2 stops34h 37m
Deal found 10/23![Multiple Airlines logo]()
$822
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 October 25, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Thu 1/142:35 pm -
3 stops41h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$368
This Turkish Airlines deal was found by Cheapflights users on 10/24. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:05 pm -
1 stop29h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Turkish Airlines logo]()
$582
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Thu 1/141:40 pm -
1 stop22h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![British Airways logo]()
$3,121
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $690 (Expedia) |
One-way from | $368 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,009 |
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 7,457,451 searches. Data last updated October 25, 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 Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Thu 1/14
2:35 pm-5:00 pm
3 stops41h 25m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$368
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Thu 1/14
7:05 pm-9:40 am
1 stop29h 35m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$582
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 3/1
6:45 pm-9:00 pm
1 stop17h 15m
Luxembourg
Mon 3/22
5:15 pm-12:25 pm
1 stop27h 10m
$708
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Sun 4/18
6:50 pm-7:30 pm
1 stop15h 40m
Luxembourg
Wed 4/21
8:20 am-11:55 am
1 stop12h 35m
$711
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 1/25
10:22 am-9:00 pm
2 stops25h 38m
Luxembourg
Mon 2/1
9:55 pm-8:13 pm
2 stops31h 18m
$734
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Tue 12/8
7:45 am-1:55 pm
2 stops21h 10m
Luxembourg
Wed 12/16
6:50 am-1:00 pm
2 stops15h 10m
$793
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Thu 12/3
10:52 am-10:35 am
2 stops38h 43m
Luxembourg
Mon 12/14
10:50 am-11:25 am
1 stop33h 35m
$855
Quickest round-trip
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Thu 1/14
1:40 pm-9:05 pm
1 stop22h 25m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,121
Sorted 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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.
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 October 25, 2026.
Read through reviews of airlines operating flights from Seattle to Luxembourg, such as Air France,United Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Comfort
7.4
Crew
8.2
Food
7.1
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Crew
8.2
Food
7.1
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Crew
8.2
Food
7.1
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Crew
8.2
Food
7.1
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
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 October 25, 2026.
Seattle and Luxembourg flights
Browse other Seattle and Luxembourg flight options. Last updated on October 25, 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 October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Seattle to Luxembourg
Discover the top 3 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$471 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$477 | Average$840 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$588 | Average$723 | FlexibilityNo cancel fee | On-time76% |