Cheap Flights from Luxembourg to Seattle from £521️ (LUX-SEA)

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Flights from Luxembourg to Seattle Starting at £521

Discover our range of affordable one-way and round-trip flights from Luxembourg to Seattle and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Luxembourg to Seattle flight time & flight schedules

Flight info.

Departure

Arrival

Weekly Schedule

SK8300

Scandinavian Airlines

06:10

LUX

1.8h

08:00

CPH

S------

FI205

Icelandair

14:00

CPH

3.3h

15:20

KEF

SMTWTFS

FI681

Icelandair

16:50

KEF

8.0h

17:50

SEA

SMTWTFS

LG5433

Luxair

06:10

LUX

1.8h

08:00

CPH

S------

FI205

Icelandair

14:00

CPH

3.3h

15:20

KEF

SMTWTFS

FI681

Icelandair

16:50

KEF

8.0h

17:50

SEA

SMTWTFS

SK8320

Scandinavian Airlines

06:10

LUX

2.8h

08:55

ARN

----T-S

FI307

Icelandair

13:50

ARN

3.3h

15:10

KEF

SMTWTFS

FI681

Icelandair

16:50

KEF

8.0h

17:50

SEA

SMTWTFS

KL1708

KLM

06:10

LUX

1.2h

07:20

AMS

SMTWTFS

KL1815

KLM

08:25

AMS

1.2h

09:35

FRA

SMTWTFS

DE2034

Condor Airlines

11:40

FRA

10.8h

14:25

SEA

S------

LG9471

Luxair

06:30

LUX

1.5h

08:00

BER

S--WT--

FI529

Icelandair

14:05

BER

3.8h

15:50

KEF

SM-WTFS

FI681

Icelandair

16:50

KEF

8.0h

17:50

SEA

SMTWTFS

LH5647

Lufthansa

07:00

LUX

0.8h

07:50

FRA

SMTWTFS

DE2034

Condor Airlines

11:40

FRA

10.8h

14:25

SEA

S------

EN8757

Air Dolomiti

07:10

LUX

0.8h

08:00

FRA

SMTWTFS

DE2032

Condor Airlines

13:45

FRA

10.3h

15:05

SEA

---W-F-

EN8757

Air Dolomiti

07:10

LUX

0.8h

08:00

FRA

SMTWTFS

DE2034

Condor Airlines

11:40

FRA

10.8h

14:25

SEA

S------

LH391

Lufthansa

08:15

LUX

0.9h

09:10

FRA

SMTWTFS

DE2032

Condor Airlines

13:45

FRA

10.3h

15:05

SEA

---W-F-

BA417

British Airways

11:40

LUX

1.7h

12:20

LHR

SMTWTF-

BA049

British Airways

16:30

LHR

9.8h

18:20

SEA

SMTWTFS

Find more flights and airlines

Find the best time to fly from Luxembourg to Seattle

Explore the best time to buy affordable tickets to Seattle with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Luxembourg (LUX) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Luxembourg to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Luxembourg (LUX) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around £1,150.
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle-Tacoma International Airport.

How to find a cheap flight from Luxembourg to Seattle

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Be flexible with your travel dates to get the cheapest flight from Luxembourg to Seattle.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Luxembourg to Seattle over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sat, Mar 8, with one-way flights priced at just £521.

Compare cheap flight deals from Luxembourg to Seattle across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Luxembourg to Seattle. The cheapest airline for this route is Air Dolomiti.

Set up a Price Alert

By setting up a Price Alert for your journey from Luxembourg to Seattle, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Luxembourg to Seattle.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Luxembourg to Seattle and snag some exclusive deals just for you.

Flight Information from Luxembourg to Seattle

Cheapest direct flight price	£521
Off-season travel month	January
Peak season for travel	December
Flight distance	8,143.15km
Popular airline	Air France