HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$611+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SEA
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luxembourg to Seattle with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2025.

Round-trip from

$611
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$698
From Luxembourg to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 22, 2025.

This American Airlines deal was found by Cheapflights users on 2/22. 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 4/810:05 pmLUX - SEA
1 stop22h 30mAmerican Airlines
Mon 4/148:20 pmSEA - LUX
1 stop29h 20mAmerican Airlines
Deal found 2/22$611
This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:10 pmLUX - SEA
1 stop27h 10mBritish Airways
Mon 3/247:50 pmSEA - LUX
1 stop12h 20mBritish Airways
Deal found 2/20$612
This Delta deal was found by Cheapflights users on 2/21. 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.
Sat 3/156:05 amLUX - SEA
2 stops18h 52mDelta
Sat 3/297:30 amSEA - LUX
2 stops17h 30mDelta
Deal found 2/21$692
This Air France deal was found by Cheapflights users on 2/21. 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.
Thu 4/107:30 amLUX - SEA
1 stop19h 10mMultiple Airlines
Tue 4/226:10 pmSEA - LUX
1 stop14h 45mMultiple Airlines
Deal found 2/21$698
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/229:50 amLUX - SEA
1 stop16h 09mLufthansa
Sun 7/66:50 pmSEA - LUX
1 stop15h 45mLufthansa
Deal found 2/21$708
This SWISS deal was found by Cheapflights users on 2/21. 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.
Sat 6/2110:30 amLUX - SEA
1 stop13h 20mSWISS
Sat 7/54:25 pmSEA - LUX
1 stop32h 15mSWISS
Deal found 2/21$724
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sun 6/229:50 amLUX - SEA
2 stops24h 09mUnited Airlines
Sat 7/57:33 pmSEA - LUX
2 stops39h 02mUnited Airlines
Deal found 2/21$752
This KLM deal was found by Cheapflights users on 2/22. 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.
Sun 4/68:10 amLUX - SEA
1 stop12h 35mKLM
Sat 4/126:10 pmSEA - LUX
1 stop30h 50mKLM
Deal found 2/22$1,014
This Air France deal was found by Cheapflights users on 2/22. 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.
Mon 4/77:30 amLUX - SEA
1 stop19h 10mAir France
Fri 4/111:30 pmSEA - LUX
1 stop12h 05mAir France
Deal found 2/22$1,072
This Turkish Airlines deal was found by Cheapflights users on 2/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/186:05 pmLUX - SEA
1 stop32h 00mTurkish Airlines
Thu 4/37:10 pmSEA - LUX
1 stop29h 20mTurkish Airlines
Deal found 2/21$3,492

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 February 22, 2025.

Fly from

Luxembourg

Fly to

Seattle

Route

Depart

Return

Price

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Tue 4/8

10:05 pm-11:35 am

1 stop22h 30m

Seattle/Tacoma Intl

Mon 4/14

8:20 pm-10:40 am

1 stop29h 20m

$611

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Mon 3/10

5:10 pm-12:20 pm

1 stop27h 10m

Seattle/Tacoma Intl

Mon 3/24

7:50 pm-4:10 pm

1 stop12h 20m

$612

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sat 3/15

6:05 am-4:57 pm

2 stops18h 52m

Seattle/Tacoma Intl

Sat 3/29

7:30 am-9:00 am

2 stops17h 30m

$692

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Thu 4/10

7:30 am-5:40 pm

1 stop19h 10m

Seattle/Tacoma Intl

Tue 4/22

6:10 pm-5:55 pm

1 stop14h 45m

$698

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sun 6/22

9:50 am-4:59 pm

1 stop16h 09m

Seattle/Tacoma Intl

Sun 7/6

6:50 pm-7:35 pm

1 stop15h 45m

$708

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sat 6/21

10:30 am-2:50 pm

1 stop13h 20m

Seattle/Tacoma Intl

Sat 7/5

4:25 pm-9:40 am

1 stop32h 15m

$724

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sun 6/22

9:50 am-12:59 am

2 stops24h 09m

Seattle/Tacoma Intl

Sat 7/5

7:33 pm-7:35 pm

2 stops39h 02m

$752

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Sun 4/6

8:10 am-11:45 am

1 stop12h 35m

Seattle/Tacoma Intl

Sat 4/12

6:10 pm-10:00 am

1 stop30h 50m

$1,014

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Mon 4/7

7:30 am-5:40 pm

1 stop19h 10m

Seattle/Tacoma Intl

Fri 4/11

1:30 pm-10:35 am

1 stop12h 05m

$1,072

LuxembourgSeattle

LUX - SEA

LUXSEA

Luxembourg

Tue 3/18

6:05 pm-6:05 pm

1 stop32h 00m

Seattle/Tacoma Intl

Thu 4/3

7:10 pm-9:30 am

1 stop29h 20m

$3,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 13 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.

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.

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 February 22, 2025.
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,213 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 ($611), British Airways ($612), and Delta ($692) 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 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
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$591Average$691FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$711Average$886FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$711Average$1,150FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.