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$579+ Cheap flights from Luxembourg (LUX) to Seattle (SEA)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$579
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$891
From Luxembourg to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/26:15 amLUX - SEA
1 stop14h 40mLufthansa
Wed 10/1510:00 amSEA - LUX
2 stops15h 00mLufthansa
Deal found 9/14$579
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Fri 11/78:10 amLUX - SEA
2 stops22h 56mAir Canada
Tue 11/115:50 amSEA - LUX
2 stops25h 30mAir Canada
Deal found 9/13$596
This Lufthansa deal was found by Cheapflights users on 9/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:10 amLUX - SEA
1 stop14h 00mLufthansa
Tue 11/112:00 pmSEA - LUX
1 stop19h 00mLufthansa
Deal found 9/13$598
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:30 amLUX - SEA
1 stop12h 50mMultiple Airlines
Sat 11/82:41 pmSEA - LUX
2 stops34h 24mMultiple Airlines
Deal found 9/14$611
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:35 amLUX - SEA
2 stops20h 40mSWISS
Sat 11/82:41 pmSEA - LUX
2 stops34h 24mSWISS
Deal found 9/14$618
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:30 amLUX - SEA
1 stop12h 50mLufthansa
Sat 11/82:00 pmSEA - LUX
1 stop32h 30mLufthansa
Deal found 9/14$638
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/299:30 amLUX - SEA
3 stops43h 43mUnited Airlines
Sat 11/88:00 amSEA - LUX
2 stops23h 20mUnited Airlines
Deal found 9/14$682

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 September 15, 2025.
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

Fri 11/7

7:10 am-10:06 pm

2 stops23h 56m

Seattle/Tacoma Intl

Tue 11/11

10:05 am-4:20 pm

2 stops21h 15m

$596

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Fri 11/7

7:10 am-12:10 pm

1 stop14h 00m

Seattle/Tacoma Intl

Tue 11/11

2:00 pm-1:55 pm

1 stop14h 55m

$598

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 10/29

9:30 am-2:20 pm

1 stop12h 50m

Seattle/Tacoma Intl

Sat 11/8

2:41 pm-10:05 am

2 stops34h 24m

$611

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 10/29

10:35 am-11:15 pm

2 stops20h 40m

Seattle/Tacoma Intl

Sat 11/8

2:41 pm-10:05 am

2 stops34h 24m

$618

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Thu 10/2

6:15 am-8:44 pm

2 stops23h 29m

Seattle/Tacoma Intl

Wed 10/15

10:00 am-1:50 pm

2 stops18h 50m

$625

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Wed 10/29

9:30 am-9:13 pm

3 stops43h 43m

Seattle/Tacoma Intl

Sat 11/8

8:00 am-4:20 pm

2 stops23h 20m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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.

Cheapflights Insights

Everything you need to know about your flight from Luxembourg to Seattle

How much does it cost to fly round-trip from Luxembourg to Seattle?

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 September 15, 2025.
See what other customers who have flown with American Airlines, 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.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
Lufthansa
6.8
Okay
7,409 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
British Airways
6.7
Okay
7,361 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.

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 14h. 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, American Airlines ($591), 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 30% 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.

  • What is the cheapest month to book a flight from Luxembourg to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Luxembourg to Seattle (average of $238). Flying from Luxembourg to Seattle in June is currently the most expensive (average of $388). 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.

See more FAQs

Traveling to a place near Seattle?

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

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 3 airlines flying from Luxembourg to Seattle

Discover the top 3 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$591Average$691FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$595Average$785FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$734FlexibilityNo cancel feeOn-time70%

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