Which layover airport has the shortest travel time from Seattle to Luxembourg?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 12h 33m.

What airlines fly to Luxembourg?

Lufthansa, Air France and British Airways are the top three most popular airlines that fly to Luxembourg from Seattle according to our data. Lufthansa is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Luxembourg. Keep in mind that there are 5 different airlines that fly to Luxembourg on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Seattle and Luxembourg?

Paris (CDG) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Seattle to Luxembourg?

Paris (CDG) has the shortest average layover time for this route: 2h 18m.

Which layover airport offers the lowest fares from Seattle to Luxembourg?

Flights via Paris (CDG) offer the lowest average round-trip price of $540.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport is 5 as of November 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Luxembourg Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Luxembourg Airport.

What documentation or ID do you need to fly to Luxembourg Airport?

The travel and health documents you'll need for your trip to Luxembourg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Luxembourg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$448 Cheap Flights from Seattle to Luxembourg in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Luxembourg

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 4:20 pmSEA-LUX

16h 10m1 stop

6:15 am - 12:20 pmLUX-SEA

15h 05m1 stop

$466Lufthansa

Find Deal

dom., mar. 1 - mié., may. 13

10:05 am - 4:20 pmSEA-LUX

21h 15m2 stops

6:15 am - 6:36 pmLUX-SEA

21h 21m2 stops

$470Multiple Airlines

Find Deal

dom., mar. 1 - mié., may. 13

5:50 am - 4:20 pmSEA-LUX

25h 30m2 stops

6:15 am - 12:20 pmLUX-SEA

15h 05m1 stop

$471Multiple Airlines

Find Deal

dom., mar. 1 - mié., may. 13

3:40 pm - 4:10 pmSEA-LUX

15h 30m2 stops

6:15 am - 9:21 amLUX-SEA

36h 06m2 stops

$485Air Canada

Find Deal

jue., abr. 9 - mié., may. 6

10:10 am - 4:10 pmSEA-LUX

21h 00m2 stops

6:15 am - 9:21 amLUX-SEA

36h 06m2 stops

$486Air Canada

Find Deal

jue., abr. 9 - mié., may. 6

6:50 pm - 9:30 amSEA-LUX

29h 40m1 stop

11:20 am - 4:55 pmLUX-SEA

14h 35m1 stop

$489British Airways

Find Deal

dom., ene. 4 - sáb., ene. 17

3:40 pm - 4:10 pmSEA-LUX

15h 30m2 stops

6:15 am - 2:16 pmLUX-SEA

17h 01m2 stops

$497Multiple Airlines

Find Deal

jue., abr. 9 - mié., may. 6

1:40 pm - 10:35 amSEA-LUX

11h 55m1 stop

10:50 am - 11:25 amLUX-SEA

33h 35m1 stop

$938Air France

Find Deal

sáb., nov. 22 - lun., dic. 1

11:45 am - 1:50 pmSEA-LUX

17h 05m2 stops

10:50 am - 1:25 pmLUX-SEA

35h 35m1 stop

$989Air France

Find Deal

mié., dic. 24 - mar., ene. 6

3:05 pm - 2:15 pmSEA-LUX

14h 10m1 stop

6:00 am - 4:33 pmLUX-SEA

19h 33m2 stops

$1,386Delta

Find Deal

vie., dic. 26 - mié., dic. 31

Lufthansa flights from Seattle to Luxembourg

Our best Lufthansa deals on Seattle to Luxembourg flight tickets

Lufthansa

Mar 1

SEA3:10 pmSeattle/Tacoma Intl

16h 10m

1 stop

LUX4:20 pmLuxembourg

May 13

LUX6:15 amLuxembourg

15h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$466

Find similar

Lufthansa

Mar 27

SEA10:05 amSeattle/Tacoma Intl

19h 30m

2 stops

LUX1:35 pmLuxembourg

Mar 31

LUX8:20 amLuxembourg

13h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$633

Find similar

Lufthansa

Jan 4

SEA3:10 pmSeattle/Tacoma Intl

33h 50m

2 stops

LUX10:00 amLuxembourg

Jan 17

LUX7:05 amLuxembourg

22h 52m

2 stops

SEA8:57 pmSeattle/Tacoma Intl

$798

Find similar

Air Canada flights from Seattle to Luxembourg

Our best Air Canada deals on Seattle to Luxembourg flight tickets

Air Canada

Apr 9

SEA3:40 pmSeattle/Tacoma Intl

15h 30m

2 stops

LUX4:10 pmLuxembourg

May 6

LUX6:15 amLuxembourg

36h 06m

2 stops

SEA9:21 amSeattle/Tacoma Intl

$485

Find similar

Air Canada

Apr 9

SEA10:10 amSeattle/Tacoma Intl

21h 00m

2 stops

LUX4:10 pmLuxembourg

May 6

LUX6:15 amLuxembourg

36h 06m

2 stops

SEA9:21 amSeattle/Tacoma Intl

$486

Find similar

Air Canada

Nov 22

SEA8:00 pmSeattle/Tacoma Intl

32h 35m

2 stops

LUX1:35 pmLuxembourg

Dec 1

LUX10:55 amLuxembourg

20h 21m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$732

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

mié. 5/13

6:15 am-12:20 pm

1 stop15h 05m

$466

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

10:05 am-4:20 pm

2 stops21h 15m

Luxembourg

mié. 5/13

6:15 am-6:36 pm

2 stops21h 21m

$470

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

5:50 am-4:20 pm

2 stops25h 30m

Luxembourg

mié. 5/13

6:15 am-12:20 pm

1 stop15h 05m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 4/9

3:40 pm-4:10 pm

2 stops15h 30m

Luxembourg

mié. 5/6

6:15 am-9:21 am

2 stops36h 06m

$485

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 4/9

10:10 am-4:10 pm

2 stops21h 00m

Luxembourg

mié. 5/6

6:15 am-9:21 am

2 stops36h 06m

$486

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 1/4

6:50 pm-9:30 am

1 stop29h 40m

Luxembourg

sáb. 1/17

11:20 am-4:55 pm

1 stop14h 35m

$489

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 4/9

3:40 pm-4:10 pm

2 stops15h 30m

Luxembourg

mié. 5/6

6:15 am-2:16 pm

2 stops17h 01m

$497

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

sáb. 11/22

1:40 pm-10:35 am

1 stop11h 55m

Luxembourg

lun. 12/1

10:50 am-11:25 am

1 stop33h 35m

$938

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

mié. 12/24

11:45 am-1:50 pm

2 stops17h 05m

Luxembourg

mar. 1/6

10:50 am-1:25 pm

1 stop35h 35m

$989

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

vie. 12/26

3:05 pm-2:15 pm

1 stop14h 10m

Luxembourg

mié. 12/31

6:00 am-4:33 pm

2 stops19h 33m

$1,386

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Luxembourg?

If you are unable to visit Luxembourg during the month of August, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $520.

What is the cheapest day to depart on your flight to Luxembourg?

On average, the least expensive day to fly to Luxembourg from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $570. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Luxembourg on Thursday is $868.

What is the cheapest time of day to depart on your flight to Luxembourg?

According to our data, the cheapest time of day to fly to Luxembourg is in the evening. momondo users have found flights departing from Seattle to Luxembourg in the evening for as low as $554. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $730.

When to book flights from Seattle to Luxembourg

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Luxembourg according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Luxembourg (SEA to LUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Luxembourg

Direct flights	None

There are no direct flights from Seattle to Luxembourg. There are no popular flight routes from Seattle to Luxembourg.

Search flight deals

How far is Seattle/Tacoma Intl to Luxembourg by plane?
The straight-line distance from Seattle/Tacoma Intl to Luxembourg is 5046.7 mi. By plane, this route typically takes 11h 55m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport is 5 as of November 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Luxembourg Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Luxembourg Airport.
What documentation or ID do you need to fly to Luxembourg Airport?
The travel and health documents you'll need for your trip to Luxembourg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Luxembourg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Luxembourg?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Luxembourg is Lufthansa (32% of total bookings). The next most popular airlines are Air France (27%), British Airways (20%), and Delta (12%).

Best airlines flying from Seattle to Luxembourg

Compare and see reviews for airlines that fly from Seattle to Luxembourg with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $306	Free Cancellation	Rating 7.5 1,781 reviews	Search SWISS flights
British Airways	PriceFrom $396	Free Cancellation	Rating 6.7 7,508 reviews	Search British Airways flights
Air France	PriceFrom $449	Free Cancellation	Rating 7.4 1,486 reviews	Search Air France flights
Delta	PriceFrom $496	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
Lufthansa	PriceFrom $591	Free Cancellation	Rating 6.8 7,562 reviews	Search Lufthansa flights

Esch-sur-Alzette

Clervaux

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Luxembourg?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Luxembourg. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Luxembourg with flexible booking policies on momondo?

Yes. All flights to Luxembourg from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Luxembourg?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Luxembourg.

I’m not ready to book a flight from Seattle to Luxembourg right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Luxembourg, momondo offers a useful price alert feature which will track prices for flights to Luxembourg from Seattle and alert you when they change.

An easier way to manage your Luxembourg trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

mié. 12/10

mié. 12/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Luxembourg

Fly your favorite airline to Luxembourg

Fly to other destinations from Seattle

Flights from Seattle/Tacoma Intl to Santa Rosa Sonoma County

Flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Flights from Seattle/Tacoma Intl to Portland

Flights from Seattle/Tacoma Intl to Spokane

Flights from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Flights from Seattle/Tacoma Intl to Oakland

Cheap flights from Seattle to Luxembourg from $466

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Luxembourg departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Luxembourg

Cheap round-trip flights

Cheap one-way flights

Lufthansa flights from Seattle to Luxembourg

Our best Lufthansa deals on Seattle to Luxembourg flight tickets

Air Canada flights from Seattle to Luxembourg

Our best Air Canada deals on Seattle to Luxembourg flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seattle to Luxembourg that are best for you.

See travel insights to Luxembourg from

How to get the cheapest flight ticket from Seattle to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Luxembourg?

If you are unable to visit Luxembourg during the month of August, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $520.

What is the cheapest day to depart on your flight to Luxembourg?

What is the cheapest time of day to depart on your flight to Luxembourg?

What airlines fly to Luxembourg?

Which airport is the most popular layover for flights between Seattle and Luxembourg?

Paris (CDG) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Luxembourg?

Flights via Paris (CDG) offer the lowest average round-trip price of $540.

Which layover airport has the shortest travel time from Seattle to Luxembourg?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 12h 33m.

Which layover airport has the shortest connection time from Seattle to Luxembourg?

Paris (CDG) has the shortest average layover time for this route: 2h 18m.

When to book flights from Seattle to Luxembourg

Cheap Seattle to Luxembourg (SEA to LUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Luxembourg

Direct flights

How far is Seattle/Tacoma Intl to Luxembourg by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Luxembourg Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Luxembourg Airport?

What documentation or ID do you need to fly to Luxembourg Airport?

What is the most popular airline from Seattle to Luxembourg?

Best airlines flying from Seattle to Luxembourg

Compare and see reviews for airlines that fly from Seattle to Luxembourg with momondo

Traveling to a place near Luxembourg?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Luxembourg?

Can I find flights from Seattle to Luxembourg with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Luxembourg?

I’m not ready to book a flight from Seattle to Luxembourg right now. Can momondo alert me if prices change?

An easier way to manage your Luxembourg trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Luxembourg

Fly your favorite airline to Luxembourg

Airlines are sorted and displayed according to clicks in the past 7 days on momondo