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.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Luxembourg?

Lufthansa, Air France, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Luxembourg

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.

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 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 October 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.

$418 Cheap Flights from Seattle to Luxembourg in 2025/26

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3:10 pm - 4:20 pmSEA-LUX

16h 10m1 stop

7:10 am - 10:28 pmLUX-SEA

24h 18m2 stops

$418Lufthansa

Find Deal

dom., nov. 30 - mar., dic. 16

3:10 pm - 4:20 pmSEA-LUX

16h 10m1 stop

7:10 am - 12:10 pmLUX-SEA

14h 00m1 stop

$428Lufthansa

Find Deal

dom., nov. 30 - mar., dic. 16

10:05 am - 4:20 pmSEA-LUX

21h 15m2 stops

6:15 am - 7:41 pmLUX-SEA

22h 26m2 stops

$471Multiple Airlines

Find Deal

dom., mar. 1 - mié., may. 13

10:05 am - 4:20 pmSEA-LUX

21h 15m2 stops

6:10 am - 12:20 pmLUX-SEA

15h 10m1 stop

$472Multiple Airlines

Find Deal

dom., mar. 1 - mié., may. 13

7:00 am - 4:20 pmSEA-LUX

24h 20m2 stops

8:15 am - 11:55 amLUX-SEA

12h 40m1 stop

$476United Airlines

Find Deal

dom., mar. 1 - mié., may. 13

3:10 pm - 4:20 pmSEA-LUX

16h 10m1 stop

10:45 am - 1:01 pmLUX-SEA

35h 16m2 stops

$477Lufthansa

Find Deal

dom., mar. 1 - mié., may. 13

1:05 pm - 9:55 amSEA-LUX

35h 50m2 stops

10:50 am - 11:15 pmLUX-SEA

21h 25m2 stops

$520SWISS

Find Deal

vie., dic. 5 - sáb., dic. 13

8:10 am - 4:20 pmSEA-LUX

47h 10m3 stops

9:30 am - 8:24 amLUX-SEA

31h 54m2 stops

$804United Airlines

Find Deal

vie., dic. 5 - sáb., dic. 13

6:50 pm - 9:10 pmSEA-LUX

17h 20m1 stop

11:00 am - 11:25 pmLUX-SEA

21h 25m2 stops

$3,299British Airways

Find Deal

jue., nov. 27 - mié., dic. 10

6:50 pm - 9:10 pmSEA-LUX

17h 20m1 stop

11:00 am - 8:49 pmLUX-SEA

18h 49m2 stops

$3,463British Airways

Find Deal

jue., nov. 27 - mié., dic. 10

Lufthansa flights from Seattle to Luxembourg

Our best Lufthansa deals on Seattle to Luxembourg flight tickets

Lufthansa

Nov 30

SEA3:10 pmSeattle/Tacoma Intl

16h 10m

1 stop

LUX4:20 pmLuxembourg

Dec 16

LUX7:10 amLuxembourg

24h 18m

2 stops

SEA10:28 pmSeattle/Tacoma Intl

$418

Find similar

Lufthansa

Nov 30

SEA3:10 pmSeattle/Tacoma Intl

16h 10m

1 stop

LUX4:20 pmLuxembourg

Dec 16

LUX7:10 amLuxembourg

14h 00m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$428

Find similar

Lufthansa

Mar 1

SEA3:10 pmSeattle/Tacoma Intl

16h 10m

1 stop

LUX4:20 pmLuxembourg

May 13

LUX10:45 amLuxembourg

35h 16m

2 stops

SEA1:01 pmSeattle/Tacoma Intl

$477

Find similar

Air Canada flights from Seattle to Luxembourg

Our best Air Canada deals on Seattle to Luxembourg flight tickets

Air Canada

Mar 1

SEA8:10 amSeattle/Tacoma Intl

25h 05m

2 stops

LUX6:15 pmLuxembourg

May 13

LUX6:10 amLuxembourg

17h 06m

2 stops

SEA2:16 pmSeattle/Tacoma Intl

$479

Find similar

Air Canada

Jan 7

SEA8:00 pmSeattle/Tacoma Intl

32h 55m

2 stops

LUX1:55 pmLuxembourg

Jan 15

LUX10:25 amLuxembourg

20h 41m

3 stops

SEA10:06 pmSeattle/Tacoma Intl

$692

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 11/30

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

mar. 12/16

7:10 am-10:28 pm

2 stops24h 18m

$418

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 11/30

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

mar. 12/16

7:10 am-12:10 pm

1 stop14h 00m

$428

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-7:41 pm

2 stops22h 26m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

10:05 am-4:20 pm

2 stops21h 15m

Luxembourg

mié. 5/13

6:10 am-12:20 pm

1 stop15h 10m

$472

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

7:00 am-4:20 pm

2 stops24h 20m

Luxembourg

mié. 5/13

8:15 am-11:55 am

1 stop12h 40m

$476

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

dom. 3/1

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

mié. 5/13

10:45 am-1:01 pm

2 stops35h 16m

$477

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

vie. 12/5

1:05 pm-9:55 am

2 stops35h 50m

Luxembourg

sáb. 12/13

10:50 am-11:15 pm

2 stops21h 25m

$520

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

vie. 12/5

8:10 am-4:20 pm

3 stops47h 10m

Luxembourg

sáb. 12/13

9:30 am-8:24 am

2 stops31h 54m

$804

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 11/27

6:50 pm-9:10 pm

1 stop17h 20m

Luxembourg

mié. 12/10

11:00 am-11:25 pm

2 stops21h 25m

$3,299

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

jue. 11/27

6:50 pm-9:10 pm

1 stop17h 20m

Luxembourg

mié. 12/10

11:00 am-8:49 pm

2 stops18h 49m

$3,463

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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.

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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 14h 35m.
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 October 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 1,775 reviews	Search SWISS flights
British Airways	PriceFrom $396	Free Cancellation	Rating 6.7 7,487 reviews	Search British Airways flights
Air France	PriceFrom $449	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
Delta	PriceFrom $496	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Lufthansa	PriceFrom $591	Free Cancellation	Rating 6.8 7,541 reviews	Search Lufthansa flights

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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.

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Cheap flights from Seattle to Luxembourg from $418

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 11/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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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 is the cheapest airline that flies from Seattle/Tacoma Intl to Luxembourg?

Lufthansa, Air France, and Delta are the most popular carriers operating from Seattle/Tacoma Intl 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