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

British Airways, Air Canada, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Luxembourg

What airlines fly to Luxembourg?

British Airways, Air France and Lufthansa are the top three most popular airlines that fly to Luxembourg from Seattle according to our data. British Airways is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Luxembourg. Keep in mind that there are 6 different airlines that fly to Luxembourg on a routine basis, so you have a few additional options to choose from.

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 6 as of January 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.

$384 Cheap Flights from Seattle to Luxembourg in 2025

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Find the cheapest flights from Seattle to Luxembourg

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Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Luxembourg that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Luxembourg.

Cheap last minute flights

Planning a quick getaway from Seattle to Luxembourg? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Luxembourg, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Luxembourg

Find recent round-trip train or bus tickets from Seattle to Luxembourg.

All round-trip flight deals from Seattle to Luxembourg

The cheapest plane tickets from Seattle to Luxembourg found on KAYAK recently.

6:50 pm - 4:15 pmSEA-LUX

12h 25m1 stop

10:15 am - 5:55 pmLUX-SEA

15h 40m1 stop

$485British Airways

Find Deal

Tue, Mar 4 - Tue, Mar 11

6:50 pm - 4:15 pmSEA-LUX

12h 25m1 stop

10:15 am - 5:55 pmLUX-SEA

15h 40m1 stop

$488British Airways

Find Deal

Tue, Mar 4 - Tue, Mar 11

6:50 pm - 4:10 pmSEA-LUX

12h 20m1 stop

11:00 am - 4:55 pmLUX-SEA

14h 55m1 stop

$489British Airways

Find Deal

Mon, Feb 3 - Wed, Feb 19

1:35 pm - 4:15 pmSEA-LUX

17h 40m1 stop

10:15 am - 5:55 pmLUX-SEA

15h 40m1 stop

$490American Airlines

Find Deal

Tue, Mar 4 - Tue, Mar 11

1:35 pm - 4:15 pmSEA-LUX

17h 40m1 stop

10:15 am - 5:55 pmLUX-SEA

15h 40m1 stop

$491American Airlines

Find Deal

Tue, Mar 4 - Tue, Mar 11

2:10 pm - 5:50 pmSEA-LUX

18h 40m1 stop

10:50 am - 12:40 pmLUX-SEA

33h 50m1 stop

$558KLM

Find Deal

Thu, Mar 6 - Thu, Mar 13

2:10 pm - 2:15 pmSEA-LUX

15h 05m1 stop

2:45 pm - 12:40 pmLUX-SEA

29h 55m1 stop

$560KLM

Find Deal

Thu, Mar 6 - Thu, Mar 13

9:55 am - 5:50 pmSEA-LUX

22h 55m2 stops

6:10 am - 5:38 pmLUX-SEA

20h 28m2 stops

$574Delta

Find Deal

Mon, Feb 17 - Sun, Mar 9

2:00 pm - 1:40 pmSEA-LUX

14h 40m1 stop

9:40 am - 2:20 pmLUX-SEA

12h 40m1 stop

$577Lufthansa

Find Deal

Fri, Mar 7 - Fri, Mar 14

3:10 pm - 10:10 pmSEA-LUX

22h 00m2 stops

9:40 am - 2:20 pmLUX-SEA

12h 40m1 stop

$629Lufthansa

Find Deal

Fri, Mar 7 - Fri, Mar 14

2:35 pm - 7:35 pmSEA-LUX

44h 00m3 stops

$384

Find Deal

Sun, Jan 26

6:50 pm - 9:30 amSEA-LUX

29h 40m1 stop

$389British Airways

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Sun, Jan 26

6:05 am - 6:10 pmSEA-LUX

27h 05m2 stops

$418Air Canada

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Sun, Jan 26

7:05 pm - 4:30 pmSEA-LUX

36h 25m2 stops

$424

Find Deal

Sat, Mar 1

4:58 pm - 4:30 pmSEA-LUX

38h 32m3 stops

$449United Airlines

Find Deal

Sat, Mar 1

1:45 pm - 3:40 pmSEA-LUX

16h 55m1 stop

$457British Airways

Find Deal

Sat, Mar 1

Lufthansa flights from Seattle to Luxembourg

Our best Lufthansa deals on Seattle to Luxembourg flight tickets

Lufthansa

Mar 7

SEA2:00 pmSeattle/Tacoma Intl

14h 40m

1 stop

LUX1:40 pmLuxembourg

Mar 14

LUX9:40 amLuxembourg

12h 40m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$577

Find similar

Lufthansa

Mar 7

SEA3:10 pmSeattle/Tacoma Intl

22h 00m

2 stops

LUX10:10 pmLuxembourg

Mar 14

LUX9:40 amLuxembourg

12h 40m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$629

Find similar

Lufthansa

Mar 7

SEA3:10 pmSeattle/Tacoma Intl

22h 00m

2 stops

LUX10:10 pmLuxembourg

Mar 14

LUX7:00 amLuxembourg

15h 20m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

$634

Find similar

United Airlines flights from Seattle to Luxembourg

Our best United Airlines deals on Seattle to Luxembourg flight tickets

United Airlines

Mar 4

SEA6:15 amSeattle/Tacoma Intl

28h 40m

2 stops

LUX7:55 pmLuxembourg

Mar 11

LUX9:40 amLuxembourg

23h 15m

3 stops

SEA12:55 amSeattle/Tacoma Intl

$551

Find similar

United Airlines

Mar 6

SEA6:15 amSeattle/Tacoma Intl

28h 35m

3 stops

LUX7:50 pmLuxembourg

Mar 13

LUX9:40 amLuxembourg

21h 21m

2 stops

SEA11:01 pmSeattle/Tacoma Intl

$601

Find similar

United Airlines

Mar 6

SEA3:45 pmSeattle/Tacoma Intl

19h 05m

2 stops

LUX7:50 pmLuxembourg

Mar 13

LUX8:05 amLuxembourg

21h 10m

3 stops

SEA9:15 pmSeattle/Tacoma Intl

$602

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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

What is the cheapest month to fly to Luxembourg?

If you are unable to visit Luxembourg during the month of November, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $536.

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

Best Price Found	$384
Fastest flight time	12h 20m
Direct flights	None
Airports in Luxembourg	1 airport

The best one-way flight to Luxembourg from Seattle in the past 72 hours is $384. The best round-trip flight deal from Seattle to Luxembourg found on momondo in the last 72 hours is $485.

The fastest flight from Seattle to Luxembourg takes 12h 20m

There are no direct flights from Seattle to Luxembourg. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Luxembourg Airport.

There is 1 airport near Luxembourg: Luxembourg (LUX)

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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 12h 20m.
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 6 as of January 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 British Airways (26% of total bookings). The next most popular airlines are Air France (22%), Lufthansa (21%), and Delta (13%).

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
American Airlines	PriceFrom $443	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $473	Free Cancellation	Rating 6.6 6,834 reviews	Search British Airways flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.4 1,490 reviews	Search Air France flights
Lufthansa	PriceFrom $564	Free Cancellation	Rating 6.7 7,111 reviews	Search Lufthansa flights
Delta	PriceFrom $569	Free Cancellation	Rating 8.0 8,521 reviews	Search Delta flights
KLM	PriceFrom $613	Free Cancellation	Rating 7.8 1,341 reviews	Search KLM 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.