Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Luxembourg from $409

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Luxembourg departing on 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:10 pm - 4:20 pm
SEA
-
LUX
16h 10m
1 stop
Multiple Airlines Logo
10:35 am - 10:16 pm
LUX
-
SEA
20h 41m
2 stops
$457Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
8:00 am - 4:20 pm
SEA
-
LUX
23h 20m
2 stops
Multiple Airlines Logo
6:55 am - 1:10 pm
LUX
-
SEA
14h 15m
1 stop
$463Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
Multiple Airlines Logo
8:00 am - 8:40 am
SEA
-
LUX
39h 40m
2 stops
Multiple Airlines Logo
7:10 am - 12:10 pm
LUX
-
SEA
14h 00m
1 stop
$469Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
2:15 pm - 1:50 pm
SEA
-
LUX
14h 35m
1 stop
Multiple Airlines Logo
6:20 pm - 12:35 pm
LUX
-
SEA
26h 15m
1 stop
$471Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
Multiple Airlines Logo
8:00 am - 10:05 am
SEA
-
LUX
17h 05m
2 stops
Multiple Airlines Logo
10:35 am - 10:16 pm
LUX
-
SEA
20h 41m
2 stops
$472Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
2:15 pm - 1:50 pm
SEA
-
LUX
14h 35m
1 stop
Multiple Airlines Logo
6:20 pm - 11:35 am
LUX
-
SEA
26h 15m
1 stop
$473Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
12:32 pm - 6:15 pm
SEA
-
LUX
20h 43m
2 stops
Multiple Airlines Logo
2:20 pm - 7:03 pm
LUX
-
SEA
36h 43m
2 stops
$474Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
British Airways Logo
6:50 pm - 9:10 pm
SEA
-
LUX
17h 20m
1 stop
British Airways Logo
10:15 am - 4:55 pm
LUX
-
SEA
15h 40m
1 stop
$476British Airways
Tue, Feb 24 - Tue, Mar 3
Lufthansa Logo
3:10 pm - 7:15 pm
SEA
-
LUX
19h 05m
1 stop
Lufthansa Logo
8:10 am - 8:56 pm
LUX
-
SEA
21h 46m
2 stops
$477Lufthansa
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
8:30 am - 10:35 am
SEA
-
LUX
17h 05m
2 stops
Multiple Airlines Logo
6:20 pm - 11:35 am
LUX
-
SEA
26h 15m
1 stop
$478Multiple Airlines
Wed, Feb 25 - Wed, Mar 4

British Airways flights from Seattle to Luxembourg

Our best British Airways deals on Seattle to Luxembourg flight tickets
British Airways
Feb 24
SEA6:50 pmSeattle/Tacoma Intl
17h 20m
1 stop
LUX9:10 pmLuxembourg
Mar 3
LUX10:15 amLuxembourg
15h 40m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$476
British Airways
Mar 4
SEA6:50 pmSeattle/Tacoma Intl
13h 00m
1 stop
LUX4:50 pmLuxembourg
Mar 8
LUX6:15 pmLuxembourg
31h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$579
British Airways
Mar 4
SEA6:50 pmSeattle/Tacoma Intl
13h 00m
1 stop
LUX4:50 pmLuxembourg
Mar 8
LUX6:15 pmLuxembourg
31h 40m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$580

Lufthansa flights from Seattle to Luxembourg

Our best Lufthansa deals on Seattle to Luxembourg flight tickets
Lufthansa
Feb 25
SEA3:10 pmSeattle/Tacoma Intl
19h 05m
1 stop
LUX7:15 pmLuxembourg
Mar 4
LUX8:10 amLuxembourg
21h 46m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$477
Lufthansa
Mar 1
SEA7:00 amSeattle/Tacoma Intl
17h 55m
2 stops
LUX9:55 amLuxembourg
May 13
LUX6:25 amLuxembourg
14h 55m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$484
Lufthansa
Mar 1
SEA7:00 amSeattle/Tacoma Intl
30h 15m
2 stops
LUX10:15 pmLuxembourg
May 13
LUX6:25 amLuxembourg
23h 28m
2 stops
SEA8:53 pmSeattle/Tacoma Intl
$489

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Luxembourg 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seattle to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 2/25

3:10 pm-4:20 pm

1 stop16h 10m

Luxembourg

Wed 3/4

10:35 am-10:16 pm

2 stops20h 41m

$457

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 2/23

8:00 am-4:20 pm

2 stops23h 20m

Luxembourg

Mon 3/9

6:55 am-1:10 pm

1 stop14h 15m

$463

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 2/24

8:00 am-8:40 am

2 stops39h 40m

Luxembourg

Tue 3/3

7:10 am-12:10 pm

1 stop14h 00m

$469

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 2/23

2:15 pm-1:50 pm

1 stop14h 35m

Luxembourg

Mon 3/9

6:20 pm-12:35 pm

1 stop26h 15m

$471

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 2/25

8:00 am-10:05 am

2 stops17h 05m

Luxembourg

Wed 3/4

10:35 am-10:16 pm

2 stops20h 41m

$472

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 2/25

2:15 pm-1:50 pm

1 stop14h 35m

Luxembourg

Wed 3/4

6:20 pm-11:35 am

1 stop26h 15m

$473

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Mon 2/23

12:32 pm-6:15 pm

2 stops20h 43m

Luxembourg

Mon 3/9

2:20 pm-7:03 pm

2 stops36h 43m

$474

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Tue 2/24

6:50 pm-9:10 pm

1 stop17h 20m

Luxembourg

Tue 3/3

10:15 am-4:55 pm

1 stop15h 40m

$476

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 2/25

3:10 pm-7:15 pm

1 stop19h 05m

Luxembourg

Wed 3/4

8:10 am-8:56 pm

2 stops21h 46m

$477

SeattleLuxembourg

SEA - LUX

SEALUX

Seattle/Tacoma Intl

Wed 2/25

8:30 am-10:35 am

2 stops17h 05m

Luxembourg

Wed 3/4

6:20 pm-11:35 am

1 stop26h 15m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 airline that flies from Seattle/Tacoma Intl to Luxembourg?

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

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 34% of people opting to fly with this airline when traveling to Luxembourg. Keep in mind that there are 4 different airlines that fly to Luxembourg on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

14h 35m

Direct flights

None
The fastest flight from Seattle to Luxembourg takes 14h 35m
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 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?

  • 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?

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
SWISSPriceFrom $306Free CancellationRating
7.6
1,864 reviews
Search SWISS flights
British AirwaysPriceFrom $396Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Air FrancePriceFrom $449Free CancellationRating
7.4
1,528 reviews
Search Air France flights
LufthansaPriceFrom $591Free CancellationRating
6.8
7,753 reviews
Search Lufthansa flights

Traveling to a place near Luxembourg?

Book flights to Luxembourg if you plan to visit one of these locations
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
Sat 2/28
Sat 3/7
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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
Air France
British Airways
SWISS