$289+ Cheap flights from Seattle (SEA) to Luxembourg
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Oct 7 — Oct 141
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
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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 September 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 September 7, 2026.
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Mon 10/193:40 pm -
2 stops22h 05m
Mon 10/266:20 pm -
2 stops31h 40m
Deal found 9/3![Multiple Airlines logo]()
$649
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:55 am -
3 stops24h 25m
Tue 10/2710:55 am -
2 stops35h 05m
Deal found 9/4![Multiple Airlines logo]()
$692
This Air France deal was found by Cheapflights users on 9/5. 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.
Tue 12/14:05 pm -
1 stop12h 45m
Wed 12/96:05 am -
1 stop14h 45m
Deal found 9/5![Multiple Airlines logo]()
$694
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
2 stops17h 30m
Wed 10/286:50 am -
1 stop14h 10m
Deal found 9/6![Multiple Airlines logo]()
$707
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:50 pm -
1 stop12h 15m
Wed 10/286:50 am -
1 stop14h 10m
Deal found 9/6![Lufthansa logo]()
$720
This Justfly.com deal was found by Cheapflights users on 9/2. 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.
Wed 10/146:50 pm -
1 stop15h 40m
Fri 10/309:15 am -
1 stop12h 45m
Deal found 9/2![Lufthansa logo]()
$727
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 September 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 September 7, 2026.
This Air France deal was found by Cheapflights users on 9/5. 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.
Tue 12/14:05 pm -
1 stop12h 45m
Wed 12/96:05 am -
1 stop14h 45m
Deal found 9/5![Multiple Airlines logo]()
$694
This Justfly.com deal was found by Cheapflights users on 9/2. 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.
Wed 10/146:50 pm -
1 stop12h 15m
Fri 10/306:50 am -
2 stops20h 13m
Deal found 9/2![Lufthansa logo]()
$731
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:35 pm -
2 stops16h 30m
Fri 10/26:00 am -
1 stop19h 35m
Deal found 9/4![Delta logo]()
$936
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:50 pm -
1 stop12h 15m
Fri 10/28:20 am -
3 stops22h 39m
Deal found 9/3![United Airlines logo]()
$940
This Gotogate deal was found by Cheapflights users on 9/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 pm -
2 stops19h 30m
Wed 10/289:15 am -
2 stops19h 44m
Deal found 9/6![Multiple Airlines logo]()
$716
This Justfly.com deal was found by Cheapflights users on 9/2. 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.
Tue 10/66:50 pm -
1 stop15h 40m
Tue 10/275:10 pm -
1 stop28h 50m
Deal found 9/2![Lufthansa logo]()
$768
This FlightHub deal was found by Cheapflights users on 9/5. 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 10/63:00 pm -
2 stops37h 50m
Tue 10/2710:45 am -
2 stops18h 14m
Deal found 9/5![Multiple Airlines logo]()
$742
This Justfly.com deal was found by Cheapflights users on 9/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:50 pm -
1 stop15h 40m
Fri 10/210:55 am -
2 stops18h 42m
Deal found 9/3![Lufthansa logo]()
$931
Last-minute flights from Seattle to LuxembourgDiscover last-minute flight deals from Seattle to Luxembourg. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Luxembourg. Data last updated September 7, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:00 pm -
2 stops37h 50m
Tue 10/138:30 am -
2 stops34h 35m
Deal found 9/6![Air Canada logo]()
$736
This Justfly.com deal was found by Cheapflights users on 9/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:00 pm -
2 stops37h 50m
Tue 10/277:10 pm -
2 stops36h 08m
Deal found 9/3![Multiple Airlines logo]()
$738
This Justfly.com deal was found by Cheapflights users on 9/2. 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.
Wed 10/146:50 pm -
1 stop15h 40m
Fri 10/309:15 am -
1 stop12h 45m
Deal found 9/2![Lufthansa logo]()
$727
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Mon 10/193:40 pm -
2 stops22h 05m
Mon 10/266:20 pm -
2 stops31h 40m
Deal found 9/3![Multiple Airlines logo]()
$649
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:55 am -
3 stops24h 25m
Tue 10/2710:55 am -
2 stops35h 05m
Deal found 9/4![Multiple Airlines logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
2 stops17h 30m
Wed 10/286:50 am -
1 stop14h 10m
Deal found 9/6![Multiple Airlines logo]()
$707
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:50 pm -
1 stop12h 15m
Wed 10/286:50 am -
1 stop14h 10m
Deal found 9/6![Lufthansa logo]()
$720
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 September 7, 2026.
Search for one-way flight options from Seattle to Luxembourg. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 pm -
3 stops28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:40 pm -
3 stops35h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$379
This Justfly.com deal was found by Cheapflights users on 9/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/11:56 pm -
2 stops33h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![British Airways logo]()
$396
This Flightnetwork deal was found by Cheapflights users on 9/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:50 am -
2 stops25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 12/182:35 pm -
3 stops41h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$534
This FlightHub deal was found by Cheapflights users on 9/5. 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.
Fri 1/12:50 pm -
1 stop15h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 12/172:35 pm -
3 stops43h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$584
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $649 (Mytrip) |
One-way from | $289 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $733 |
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 September 7, 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
Wed 10/14
7:00 pm-8:45 am
3 stops28h 45m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$289
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 9/28
3:40 pm-12:10 pm
3 stops35h 30m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Fri 1/1
1:56 pm-8:25 am
2 stops33h 29m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$396
Quickest round-trip
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Mon 10/19
1:30 pm-10:35 am
1 stop12h 05m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$457
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Fri 12/18
2:35 pm-4:50 pm
3 stops41h 15m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$534
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Fri 1/1
2:50 pm-3:10 pm
1 stop15h 20m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$535
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Thu 12/17
2:35 pm-7:00 pm
3 stops43h 25m
Luxembourg
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$584
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Tue 12/1
4:05 pm-1:50 pm
1 stop12h 45m
Luxembourg
Wed 12/9
6:05 am-11:50 am
1 stop14h 45m
$694
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Wed 10/21
3:00 pm-7:30 pm
2 stops19h 30m
Luxembourg
Wed 10/28
9:15 am-8:59 pm
2 stops19h 44m
$716
SeattleLuxembourg
SEA Seattle/Tacoma Intl - LUX Luxembourg
SEALUX
Seattle/Tacoma Intl
Wed 10/14
6:50 pm-4:05 pm
1 stop12h 15m
Luxembourg
Fri 10/30
6:50 am-7:03 pm
2 stops20h 13m
$731
Showing 1-10 of 17 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.
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 September 7, 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.
Entertainment
7.0
Comfort
7.4
Boarding
7.5
Crew
8.2
Food
7.1
Overall
7.5
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Entertainment
7.0
Comfort
7.4
Boarding
7.5
Crew
8.2
Food
7.1
Overall
7.5
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Entertainment
7.0
Comfort
7.4
Boarding
7.5
Crew
8.2
Food
7.1
Overall
7.5
Reviews
1 / 20
8.0
ExcellentGrace,Apr 2026
JFK - CDG
Entertainment
7.0
Comfort
7.4
Boarding
7.5
Crew
8.2
Food
7.1
Overall
7.5
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.
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Alternative routes for Seattle to Luxembourg
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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 September 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 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$840 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$592 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$490 | Average$723 | FlexibilityNo cancel fee | On-time76% |