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Luxembourg

$424+ Cheap flights from Seattle (SEA) to Luxembourg (LUX)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
feb. 4 — feb. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap 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 enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$494
(Travelocity)

One-way from

$424
(Air Canada)

Popular in

June

Cheapest in

November

Average price

$536
Provider with most accurate pricing for Seattle/Tacoma Intl-Luxembourg flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Luxembourg flights.
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From Seattle/Tacoma Intl to Luxembourg
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One-way flight from Seattle/Tacoma Intl to Luxembourg
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Highest demand for flights based on searches. 43% potential increase in price ($660 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($118 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Seattle to Luxembourg

Cheapest flights from Seattle to Luxembourg
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 enero 30, 2025.

This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/196:50 pmSEA - LUX
1 stop12h 20mBritish Airways
jue. 2/2711:00 amLUX - SEA
1 stop33h 20mBritish Airways
Deal found 1/29$494
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/195:22 amSEA - LUX
2 stops19h 53mAmerican Airlines
jue. 2/2711:00 amLUX - SEA
2 stops21h 06mAmerican Airlines
Deal found 1/28$507
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/202:09 pmSEA - LUX
1 stop23h 16mKLM
vie. 2/286:10 amLUX - SEA
1 stop14h 36mKLM
Deal found 1/28$511
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/203:24 pmSEA - LUX
2 stops33h 36mMultiple Airlines
vie. 2/288:20 amLUX - SEA
1 stop12h 50mMultiple Airlines
Deal found 1/29$517
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/138:10 amSEA - LUX
2 stops17h 55mLufthansa
jue. 3/205:05 pmLUX - SEA
1 stop29h 15mLufthansa
Deal found 1/29$536
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/193:04 pmSEA - LUX
2 stops40h 26mUnited Airlines
lun. 2/249:40 amLUX - SEA
3 stops41h 49mUnited Airlines
Deal found 1/28$552
This Booking.com deal was found by Cheapflights users on 1/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/166:05 amSEA - LUX
2 stops42h 30mAir Canada
dom. 3/237:00 amLUX - SEA
2 stops46h 30mAir Canada
Deal found 1/30$554
This Air France deal was found by Cheapflights users on 1/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/179:55 amSEA - LUX
2 stops15h 40mAir France
dom. 3/97:30 amLUX - SEA
1 stop13h 25mAir France
Deal found 1/30$692
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/158:00 pmSEA - LUX
1 stop30h 45mTurkish Airlines
sáb. 3/2211:40 amLUX - SEA
1 stop38h 25mTurkish Airlines
Deal found 1/29$852

Find flights from Seattle to Luxembourg within your budget

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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 2/19

6:50 pm-4:10 pm

1 stop12h 20m

Luxembourg

lun. 2/24

5:10 pm-11:20 am

1 stop27h 10m

$494

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 2/19

5:22 am-10:15 am

2 stops19h 53m

Luxembourg

jue. 2/27

11:00 am-11:06 pm

2 stops21h 06m

$507

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 2/20

2:09 pm-10:25 pm

1 stop23h 16m

Luxembourg

vie. 2/28

6:10 am-11:46 am

1 stop14h 36m

$511

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 2/20

3:24 pm-10:00 am

2 stops33h 36m

Luxembourg

vie. 2/28

8:20 am-12:10 pm

1 stop12h 50m

$517

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 3/13

8:10 am-10:05 am

2 stops17h 55m

Luxembourg

jue. 3/20

5:05 pm-2:20 pm

1 stop29h 15m

$536

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 2/19

3:04 pm-4:30 pm

2 stops40h 26m

Luxembourg

lun. 2/24

9:40 am-6:29 pm

3 stops41h 49m

$552

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/16

6:05 am-8:35 am

2 stops42h 30m

Luxembourg

dom. 3/23

7:00 am-9:30 pm

2 stops46h 30m

$554

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

lun. 2/17

9:55 am-10:35 am

2 stops15h 40m

Luxembourg

dom. 3/9

7:30 am-11:55 am

1 stop13h 25m

$692

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

sáb. 3/15

8:00 pm-10:45 am

1 stop30h 45m

Luxembourg

sáb. 3/22

11:40 am-6:05 pm

1 stop38h 25m

$852

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

sáb. 3/1

3:05 pm-7:55 pm

2 stops43h 50m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 13 results
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Seattle to Luxembourg

Get recent, data-driven insights about flights from Seattle to Luxembourg including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Luxembourg (average of $638). Flying from Seattle to Luxembourg in June is currently the most expensive (average of $1,242). 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.

What is the cheapest time of day to fly from SEA to LUX?

Find hourly flight availability from Seattle to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Seattle to Luxembourg by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Luxembourg?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Luxembourg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Luxembourg flight should consider departing on Sunday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Luxembourg ranges from 2.0 - 2.8 inches per month. November is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Luxembourg when rainfall is around 2.0 in.

Temperature in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Luxembourg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 enero 30, 2025.
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,335 reviews
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,475 reviews
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,913 reviews
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Turkish Airlines
7.3
Good
3,904 reviews
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,335 reviews

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

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

    British Airways, at $494, was found to be the cheapest airline from Seattle to Luxembourg.Alternate airlines to your destination round-trip include American Airlines and KLM. British Airways is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Luxembourg one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $449. Lufthansa flights start at $476 while deals on Air Canada start at $482 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Luxembourg 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 Seattle to Luxembourg?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Luxembourg (average of $638). Flying from Seattle to Luxembourg in June is currently the most expensive (average of $1,242). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Luxembourg

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

Top 5 airlines flying from Seattle to Luxembourg

Discover the top 5 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 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$473Average$588FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$510Average$878FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$742FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$592Average$758FlexibilityNo cancel feeOn-time76%
KLMCheapest$613Average$692FlexibilityNo cancel feeOn-time75%
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