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$476+ Cheap flights from Luxembourg (LUX) to Seattle (SEA)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SEA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Luxembourg to Seattle

Cheapest flights from Luxembourg to Seattle
Explore the most affordable flight options available from Luxembourg to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Booking.com deal was found by Cheapflights users on 1/28. 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.
Sun 5/2410:30 am
LUX
-
SEA
1 stop12h 15m
Scandinavian Airlines
Sun 5/313:55 pm
SEA
-
LUX
1 stop18h 20m
Scandinavian Airlines
Deal found 1/28$587
This British Airways deal was found by Cheapflights users on 1/27. 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 2/235:10 pm
LUX
-
SEA
1 stop27h 20m
British Airways
Tue 3/107:21 am
SEA
-
LUX
2 stops23h 39m
British Airways
Deal found 1/27$702
This British Airways deal was found by Cheapflights users on 1/28. 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 6/2311:30 am
LUX
-
SEA
1 stop33h 05m
British Airways
Tue 7/141:35 pm
SEA
-
LUX
1 stop21h 10m
British Airways
Deal found 1/28$705
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1310:55 am
LUX
-
SEA
1 stop33h 45m
KLM
Thu 2/193:05 pm
SEA
-
LUX
1 stop22h 15m
KLM
Deal found 1/27$718
This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 2/136:00 am
LUX
-
SEA
1 stop14h 40m
Delta
Thu 2/198:30 am
SEA
-
LUX
2 stops16h 55m
Delta
Deal found 1/27$720
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 6/249:35 pm
LUX
-
SEA
1 stop23h 00m
American Airlines
Mon 7/138:20 pm
SEA
-
LUX
1 stop29h 20m
American Airlines
Deal found 1/27$723
This British Airways deal was found by Cheapflights users on 1/28. 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.
Wed 6/249:35 pm
LUX
-
SEA
1 stop23h 00m
British Airways
Mon 7/138:20 pm
SEA
-
LUX
1 stop29h 20m
British Airways
Deal found 1/28$729
This Delta deal was found by Cheapflights users on 1/29. 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 3/156:00 am
LUX
-
SEA
2 stops20h 40m
Delta
Sun 3/227:15 am
SEA
-
LUX
2 stops19h 10m
Delta
Deal found 1/29$732
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 6/249:35 pm
LUX
-
SEA
1 stop23h 00m
American Airlines
Wed 7/88:20 pm
SEA
-
LUX
1 stop29h 05m
American Airlines
Deal found 1/27$747

Find flight deals from Luxembourg to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) to Seattle (SEA). 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 January 29, 2026.

Round-trip from

$587
(Booking.com)

One-way from

$476
(Kiwi.com)

Popular in

June

Cheapest in

October
From Luxembourg to Seattle/Tacoma Intl
Search Deals
One-way flight from Luxembourg to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luxembourg to Seattle 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 January 29, 2026.
Use the filters below to find and compare flights from Luxembourg to Seattle that are best for you.

Fly from

Luxembourg

Fly to

Seattle

Route

Depart

Return

Price

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sun 5/24

10:30 am-1:45 pm

1 stop12h 15m

Seattle/Tacoma Intl

Sun 5/31

3:55 pm-7:15 pm

1 stop18h 20m

$587

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Mon 2/23

5:10 pm-11:30 am

1 stop27h 20m

Seattle/Tacoma Intl

Tue 3/10

7:21 am-3:00 pm

2 stops23h 39m

$702

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Tue 6/23

11:30 am-11:35 am

1 stop33h 05m

Seattle/Tacoma Intl

Tue 7/14

1:35 pm-7:45 pm

1 stop21h 10m

$705

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Fri 2/13

10:55 am-11:40 am

1 stop33h 45m

Seattle/Tacoma Intl

Thu 2/19

3:05 pm-10:20 pm

1 stop22h 15m

$718

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Fri 2/13

6:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Thu 2/19

8:30 am-10:25 am

2 stops16h 55m

$720

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 6/24

9:35 pm-11:35 am

1 stop23h 00m

Seattle/Tacoma Intl

Tue 7/14

10:27 am-8:50 pm

2 stops25h 23m

$723

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 6/24

9:35 pm-11:35 am

1 stop23h 00m

Seattle/Tacoma Intl

Mon 7/13

8:20 pm-10:40 am

1 stop29h 20m

$723

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Tue 6/23

11:30 am-11:35 am

1 stop33h 05m

Seattle/Tacoma Intl

Thu 7/9

1:35 pm-8:25 pm

1 stop21h 50m

$726

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Mon 2/16

9:30 am-10:33 am

3 stops34h 03m

$481

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 2/11

9:40 am-10:28 am

2 stops33h 48m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 15 results
1
2

Best time to book a flight from Luxembourg to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Luxembourg with our price prediction graph.
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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated January 29, 2026.
See what other customers who have flown with Lufthansa and British Airways from Luxembourg to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,756 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Crew

7.6

Entertainment

6.5

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,756 reviews
Lufthansa
6.8
Okay
7,756 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Crew

7.6

Entertainment

6.5

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
British Airways
6.7
Okay
7,705 reviews
Lufthansa
6.8
Okay
7,756 reviews

Boarding

7.0

Food

6.3

Overall

6.8

Crew

7.6

Entertainment

6.5

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Luxembourg to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Luxembourg to Seattle?

    Departing from Luxembourg to Seattle will take you 12h 15m. The distance from Luxembourg to Seattle is about 5057 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Luxembourg to Seattle round-trip?

    According to our current data, Lufthansa ($595), and British Airways ($602) offers the cheapest pricing from Luxembourg to Seattle. You may be able to fly from Luxembourg to Seattle for 29% less than the average price by searching for these airlines.

  • Can I find deals for flights from Luxembourg to Seattle that include hotel bookings?

    Yes. In addition to deals on Luxembourg to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luxembourg to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luxembourg to Seattle.

  • Can I find deals for business class flights from Luxembourg to Seattle?

    Yes. Cheapflights offers flight deals from Luxembourg to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luxembourg to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Luxembourg to Portland flights

Top 2 airlines flying from Luxembourg to Seattle

Discover the top 2 airlines that operate flights from Luxembourg to Seattle. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$595Average$1,150FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$748FlexibilityNo cancel feeOn-time70%

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