$339+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Dec 2 — Dec 91
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
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 November 2, 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 November 2, 2026.
This Gotogate deal was found by Cheapflights users on 11/2. 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 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 11/2![Multiple Airlines logo]()
$777
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:50 pm -
3 stops35h 00m
Wed 12/95:10 pm -
3 stops27h 50m
Deal found 10/29![Multiple Airlines logo]()
$778
This Kissandfly.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop14h 40m
Wed 12/232:45 pm -
1 stop30h 05m
Deal found 10/31![KLM logo]()
$780
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:50 pm -
1 stop16h 40m
Tue 12/1510:45 am -
2 stops21h 59m
Deal found 10/29![Multiple Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop14h 40m
Wed 12/232:45 pm -
1 stop30h 05m
Deal found 10/31![Delta logo]()
$783
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:50 pm -
1 stop16h 40m
Tue 12/155:10 pm -
1 stop28h 50m
Deal found 10/29![Lufthansa logo]()
$789
This Justfly.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:05 pm -
2 stops33h 40m
Wed 1/139:15 am -
1 stop12h 45m
Deal found 11/1![Multiple Airlines logo]()
$812
This Justfly.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:05 pm -
2 stops33h 40m
Tue 1/126:50 am -
2 stops21h 48m
Deal found 11/1![Multiple Airlines logo]()
$815
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 November 2, 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 November 2, 2026.
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/196:50 am -
1 stop17h 30m
Thu 4/228:15 am -
1 stop13h 05m
Deal found 11/1![United Airlines logo]()
$718
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:05 pm -
2 stops33h 40m
Sat 2/136:50 am -
1 stop14h 10m
Deal found 11/2![Multiple Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop14h 40m
Wed 12/232:45 pm -
1 stop30h 05m
Deal found 11/1![Delta logo]()
$782
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/186:50 pm -
1 stop12h 20m
Wed 4/218:15 am -
1 stop13h 05m
Deal found 10/30![United Airlines logo]()
$720
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Tue 12/88:40 am -
2 stops22h 50m
Wed 12/162:25 pm -
2 stops39h 34m
Deal found 11/2![Multiple Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1411:00 am -
2 stops23h 40m
Thu 4/298:15 am -
1 stop13h 05m
Deal found 10/31![United Airlines logo]()
$725
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated November 2, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:35 pm -
1 stop18h 15m
Fri 11/206:05 am -
1 stop14h 42m
Deal found 10/29![Delta logo]()
$1,438
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:05 pm -
2 stops33h 40m
Fri 11/209:15 am -
1 stop12h 45m
Deal found 10/29![Multiple Airlines logo]()
$2,470
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:50 pm -
1 stop16h 40m
Fri 11/209:15 am -
1 stop12h 45m
Deal found 10/29![Lufthansa logo]()
$2,471
This Icelandair deal was found by Cheapflights users on 11/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:35 pm -
2 stops18h 00m
Thu 12/107:30 am -
2 stops18h 30m
Deal found 11/2![Multiple Airlines logo]()
$4,315
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:50 pm -
1 stop16h 40m
Tue 12/1510:45 am -
2 stops21h 59m
Deal found 10/29![Multiple Airlines logo]()
$782
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:50 pm -
1 stop16h 40m
Tue 12/155:10 pm -
1 stop28h 50m
Deal found 10/29![Lufthansa logo]()
$789
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:35 pm -
1 stop14h 40m
Tue 12/156:05 am -
2 stops26h 04m
Deal found 10/29![Delta logo]()
$790
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 November 2, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/110:40 pm -
2 stops25h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![United Airlines logo]()
$339
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/63:15 pm -
2 stops37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Canada logo]()
$353
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:45 pm -
1 stop30h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![British Airways logo]()
$388
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/67:30 am -
3 stops41h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$7,747
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 November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $706 (Expedia) |
One-way from | $339 (United Airlines) |
Popular in | December |
Cheapest in | August |
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 November 2, 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
Sat 5/1
10:40 pm-9:20 am
2 stops25h 40m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$339
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Sat 2/6
6:45 pm-10:00 am
1 stop30h 15m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$388
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 4/19
6:50 am-9:20 am
1 stop17h 30m
Luxembourg
Thu 4/22
8:15 am-12:20 pm
1 stop13h 05m
$718
Quickest round-trip
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Sun 4/18
6:50 pm-4:10 pm
1 stop12h 20m
Luxembourg
Wed 4/21
8:15 am-12:20 pm
1 stop13h 05m
$720
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Wed 4/14
11:00 am-7:40 pm
2 stops23h 40m
Luxembourg
Thu 4/29
8:15 am-12:20 pm
1 stop13h 05m
$725
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Sat 2/6
7:05 pm-1:45 pm
2 stops33h 40m
Luxembourg
Sat 2/13
6:50 am-12:00 pm
1 stop14h 10m
$759
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 12/7
2:35 pm-2:15 pm
1 stop14h 40m
Luxembourg
Wed 12/23
2:45 pm-11:50 am
1 stop30h 05m
$782
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Tue 12/8
8:40 am-4:30 pm
2 stops22h 50m
Luxembourg
Wed 12/16
2:25 pm-8:59 pm
2 stops39h 34m
$786
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Sat 2/6
7:30 am-10:00 am
3 stops41h 30m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$7,747
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 November.
| 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 |
- 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 November 2, 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
Food
7.1
Crew
8.2
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Food
7.1
Crew
8.2
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Food
7.1
Crew
8.2
Overall
7.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Boarding
7.5
Comfort
7.4
Food
7.1
Crew
8.2
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 November 2, 2026.
Seattle and Luxembourg flights
Browse other Seattle and Luxembourg flight options. Last updated on November 2, 2026.
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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 November 2, 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% |