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$592+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SEA
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
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 enero 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$594
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$1,377
Provider with most accurate pricing for Luxembourg-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Luxembourg-Seattle/Tacoma Intl flights.
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From Luxembourg to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 19% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 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 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 enero 21, 2025.

This Kissandfly.com deal was found by Cheapflights users on 1/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/49:05 pmLUX - SEA
2 stops31h 21mBritish Airways
lun. 9/156:26 amSEA - LUX
2 stops19h 14mBritish Airways
Deal found 1/21$592
This American Airlines deal was found by Cheapflights users on 1/21. 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.
jue. 7/109:05 pmLUX - SEA
1 stop23h 30mAmerican Airlines
dom. 7/2010:10 amSEA - LUX
2 stops15h 40mAmerican Airlines
Deal found 1/21$594
This KLM deal was found by Cheapflights users on 1/21. 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. 9/42:15 pmLUX - SEA
1 stop30h 25mMultiple Airlines
lun. 9/151:30 pmSEA - LUX
1 stop12h 05mMultiple Airlines
Deal found 1/21$688
This Gotogate deal was found by Cheapflights users on 1/21. 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.
vie. 3/79:40 amLUX - SEA
1 stop12h 40mLufthansa
vie. 3/143:00 pmSEA - LUX
1 stop14h 40mLufthansa
Deal found 1/21$699
This Air Canada deal was found by Cheapflights users on 1/21. 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.
vie. 3/78:20 amLUX - SEA
2 stops19h 05mAir Canada
vie. 3/146:05 amSEA - LUX
2 stops23h 35mAir Canada
Deal found 1/21$700
This SWISS deal was found by Cheapflights users on 1/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2110:30 amLUX - SEA
1 stop13h 20mSWISS
sáb. 7/512:59 pmSEA - LUX
2 stops39h 41mSWISS
Deal found 1/21$713
This United Airlines deal was found by Cheapflights users on 1/21. 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.
sáb. 6/218:25 amLUX - SEA
2 stops41h 34mUnited Airlines
sáb. 7/511:59 pmSEA - LUX
2 stops34h 36mUnited Airlines
Deal found 1/21$778
This Air France deal was found by Cheapflights users on 1/21. 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.
vie. 7/117:30 amLUX - SEA
1 stop12h 45mAir France
dom. 7/201:30 pmSEA - LUX
1 stop12h 05mAir France
Deal found 1/21$837
This Delta deal was found by Cheapflights users on 1/21. 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.
jue. 7/106:10 amLUX - SEA
1 stop14h 30mDelta
sáb. 7/198:50 amSEA - LUX
2 stops16h 10mDelta
Deal found 1/21$1,003
This KLM deal was found by Cheapflights users on 1/21. 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.
sáb. 7/126:10 amLUX - SEA
1 stop14h 30mKLM
lun. 7/218:50 amSEA - LUX
2 stops16h 10mKLM
Deal found 1/21$1,063

Find flights from Luxembourg to Seattle within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

jue. 7/10

9:05 pm-11:35 am

1 stop23h 30m

Seattle/Tacoma Intl

dom. 7/20

10:10 am-10:50 am

2 stops15h 40m

$594

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

dom. 6/22

9:20 pm-11:35 am

1 stop23h 15m

Seattle/Tacoma Intl

dom. 7/6

1:30 pm-8:20 pm

1 stop21h 50m

$691

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

dom. 6/22

9:50 am-4:59 pm

1 stop16h 09m

Seattle/Tacoma Intl

dom. 7/6

1:45 pm-1:40 pm

2 stops14h 55m

$696

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

vie. 3/7

9:40 am-1:20 pm

1 stop12h 40m

Seattle/Tacoma Intl

vie. 3/14

3:00 pm-1:40 pm

1 stop14h 40m

$699

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

vie. 3/7

8:20 am-6:25 pm

2 stops19h 05m

Seattle/Tacoma Intl

vie. 3/14

6:05 am-1:40 pm

2 stops23h 35m

$700

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

sáb. 6/21

10:30 am-2:50 pm

1 stop13h 20m

Seattle/Tacoma Intl

sáb. 7/5

12:59 pm-1:40 pm

2 stops39h 41m

$713

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

sáb. 6/21

8:25 am-4:59 pm

2 stops41h 34m

Seattle/Tacoma Intl

sáb. 7/5

11:59 pm-7:35 pm

2 stops34h 36m

$778

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

vie. 7/11

7:30 am-11:15 am

1 stop12h 45m

Seattle/Tacoma Intl

dom. 7/20

1:30 pm-10:35 am

1 stop12h 05m

$837

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

jue. 7/10

6:10 am-11:40 am

1 stop14h 30m

Seattle/Tacoma Intl

sáb. 7/19

8:50 am-10:00 am

2 stops16h 10m

$1,003

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

sáb. 7/12

6:10 am-11:40 am

1 stop14h 30m

Seattle/Tacoma Intl

lun. 7/21

8:50 am-10:00 am

2 stops16h 10m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

  • Most accurate provider: When it comes to deals on Luxembourg-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Luxembourg-Seattle flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Luxembourg-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Luxembourg-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant 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 Luxembourg-Seattle 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 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.

Travel insights for flights from Luxembourg to Seattle

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

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 July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    According to our current data, American Airlines ($594), British Airways ($691), and Lufthansa ($699) offers the cheapest pricing from Luxembourg to Seattle. You may be able to fly from Luxembourg to Seattle for 34% 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 July is currently the most expensive (average of $411). 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 Luxembourg?

Book flights to Luxembourg if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$591Average$691FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$824Average$886FlexibilityNo cancel feeOn-time77%
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