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$384+ Cheap flights from Seattle (SEA) to Luxembourg

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LUX
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 (LU0). 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 21, 2025.

Round-trip from

$485
(Flightnetwork)

One-way from

$384
(Kiwi.com)
From Seattle/Tacoma Intl to Luxembourg
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One-way flight from Seattle/Tacoma Intl to Luxembourg
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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 January 21, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/20. 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.
Tue 3/46:50 pmSEA - LUX
1 stop12h 25mBritish Airways
Tue 3/1110:15 amLUX - SEA
1 stop15h 40mBritish Airways
Deal found 1/20$485
This Gotogate deal was found by Cheapflights users on 1/19. 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 3/46:05 amSEA - LUX
2 stops22h 15mAir Canada
Tue 3/116:40 amLUX - SEA
2 stops46h 50mAir Canada
Deal found 1/19$486
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/46:50 pmSEA - LUX
1 stop12h 25mAmerican Airlines
Tue 3/1110:15 amLUX - SEA
1 stop15h 40mAmerican Airlines
Deal found 1/19$491
This KLM deal was found by Cheapflights users on 1/19. 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.
Wed 3/52:10 pmSEA - LUX
1 stop23h 15mKLM
Wed 3/122:45 pmLUX - SEA
1 stop29h 55mKLM
Deal found 1/19$509
This Gotogate deal was found by Cheapflights users on 1/19. 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 3/56:05 amSEA - LUX
2 stops22h 50mMultiple Airlines
Wed 3/126:50 amLUX - SEA
1 stop14h 20mMultiple Airlines
Deal found 1/19$512
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 3/57:10 amSEA - LUX
2 stops22h 05mDelta
Wed 3/126:05 amLUX - SEA
1 stop14h 35mDelta
Deal found 1/19$514
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 3/47:05 amSEA - LUX
2 stops24h 25mUnited Airlines
Tue 3/119:40 amLUX - SEA
3 stops23h 15mUnited Airlines
Deal found 1/20$551
This KAYAK deal was found by Cheapflights users on 1/18. 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.
Thu 7/310:00 amSEA - LUX
2 stops15h 00mLufthansa
Mon 7/142:30 pmLUX - SEA
2 stops59h 29mLufthansa
Deal found 1/18$1,061
This AranGrant deal was found by Cheapflights users on 1/19. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:05 pmSEA - LUX
1 stop37h 20mTurkish Airlines
Wed 6/116:20 pmLUX - SEA
1 stop25h 15mTurkish Airlines
Deal found 1/19$3,932
This business-class.com deal was found by Cheapflights users on 1/19. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:45 pmSEA - LUX
2 stops19h 35mSWISS
Wed 6/1110:30 amLUX - SEA
2 stops17h 03mSWISS
Deal found 1/19$4,172

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 3/4

6:50 pm-4:15 pm

1 stop12h 25m

Luxembourg

Tue 3/11

10:15 am-5:55 pm

1 stop15h 40m

$485

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 3/4

6:05 am-1:20 pm

2 stops22h 15m

Luxembourg

Tue 3/11

6:40 am-9:30 pm

2 stops46h 50m

$486

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 3/4

6:50 pm-4:15 pm

1 stop12h 25m

Luxembourg

Tue 3/11

10:15 am-5:55 pm

1 stop15h 40m

$491

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 3/5

2:10 pm-2:15 pm

1 stop15h 05m

Luxembourg

Wed 3/12

2:45 pm-12:40 pm

1 stop29h 55m

$509

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 3/5

6:05 am-1:55 pm

2 stops22h 50m

Luxembourg

Wed 3/12

6:50 am-1:10 pm

1 stop14h 20m

$512

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 3/5

7:28 am-2:15 pm

2 stops21h 47m

Luxembourg

Wed 3/12

6:05 am-12:40 pm

1 stop14h 35m

$514

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 3/4

7:05 am-4:30 pm

2 stops24h 25m

Luxembourg

Tue 3/11

9:40 am-12:55 am

3 stops23h 15m

$551

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Thu 7/3

10:00 am-10:00 am

2 stops15h 00m

Luxembourg

Mon 7/14

2:30 pm-4:59 pm

2 stops59h 29m

$1,061

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 5/21

7:05 pm-5:25 pm

1 stop37h 20m

Luxembourg

Wed 6/11

6:20 pm-10:35 am

1 stop25h 15m

$3,932

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 5/21

1:45 pm-6:20 pm

2 stops19h 35m

Luxembourg

Wed 6/11

10:30 am-6:33 pm

2 stops17h 03m

$4,172

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 14 results
1
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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 LU?

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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Luxembourg as you normally would.

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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.3
Good
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 airport do you fly from for flights from Seattle to Luxembourg?

    If you book a flight to Luxembourg from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $389. Air Canada flights start at $418 while deals on United Airlines start at $449 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

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Alternative routes for Seattle to Luxembourg

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Top 6 airlines flying from Seattle to Luxembourg

Discover the top 6 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$443Average$554FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$473Average$592FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$510Average$878FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$564Average$758FlexibilityNo cancel feeOn-time76%
DeltaCheapest$569Average$742FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$613Average$714FlexibilityNo cancel feeOn-time75%
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