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596 € Cheap Flights from Seattle to Luxembourg

Compare Seattle to Luxembourg flight deals

Find the cheapest month or even day of the year to fly to Luxembourg

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Flight deals from Seattle to Luxembourg

Looking for a cheap last-minute deal or the best return flight from Seattle to Luxembourg Airport? If you want to travel next month, return fares start from 740 €. Find the lowest prices on one-way and return tickets right here.
Luxembourg.596 € per passenger.Departing Tue, 2 Feb, returning Tue, 9 Feb.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Tue, 2 Feb, arriving in Luxembourg.Inbound indirect flight with KLM, departs from Luxembourg on Tue, 9 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 596 €, select.
Luxembourg.596 € per passenger.Departing Wed, 18 Nov, returning Tue, 24 Nov.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Wed, 18 Nov, arriving in Luxembourg.Inbound indirect flight with KLM, departs from Luxembourg on Tue, 24 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 596 €, select.
Luxembourg.602 € per passenger.Departing Tue, 20 Oct, returning Fri, 20 Nov.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Luxembourg.Inbound indirect flight with KLM, departs from Luxembourg on Fri, 20 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 602 €, select.
Luxembourg.626 € per passenger.Departing Sun, 13 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 13 Sep, arriving in Luxembourg.Inbound indirect flight with United, departs from Luxembourg on Tue, 29 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 626 €, select.
Luxembourg.627 € per passenger.Departing Wed, 5 Aug, returning Wed, 12 Aug.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Seattle / Tacoma International on Wed, 5 Aug, arriving in Luxembourg.Inbound indirect flight with KLM, departs from Luxembourg on Wed, 12 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 627 €, select.
Luxembourg.716 € per passenger.Departing Tue, 29 Dec, returning Tue, 5 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Seattle / Tacoma International on Tue, 29 Dec, arriving in Luxembourg.Inbound indirect flight with British Airways, departs from Luxembourg on Tue, 5 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 716 €, select.
Luxembourg.740 € per passenger.Departing Tue, 21 Jul, returning Tue, 28 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Tue, 21 Jul, arriving in Luxembourg.Inbound indirect flight with Lufthansa, departs from Luxembourg on Tue, 28 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 740 €, select.
Luxembourg.809 € per passenger.Departing Fri, 31 Jul, returning Fri, 7 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Fri, 31 Jul, arriving in Luxembourg.Inbound indirect flight with Lufthansa, departs from Luxembourg on Fri, 7 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 809 €, select.
Luxembourg.1.095 € per passenger.Departing Mon, 20 Jul, returning Thu, 1 Oct.Return flight with Alaska Airlines and Ryanair.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Mon, 20 Jul, arriving in Luxembourg.Inbound indirect flight with Ryanair, departs from Luxembourg on Thu, 1 Oct, arriving in Paine Field.Price includes taxes and charges.From 1.095 €, select.

Find the cheapest month to fly from Seattle to Luxembourg

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Luxembourg flights are currently cheapest in November.
Jun
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Jul
from 740 €
Aug
from 627 €
Sep
from 626 €
Oct
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Nov
from 596 €
Dec
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Jan
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Feb
from 596 €
Mar
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Apr
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May
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Direct flights from Seattle to Luxembourg

Seattle to Luxembourg: Alternative routes

Compare routes from Seattle to Luxembourg below. You may find an airport to fly into that's cheaper, faster, or easier than Luxembourg.

Luxembourg

6km from central Luxembourg
ClosestCheapest
from 596 €
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Lorraine

71km from central Luxembourg
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Saarbruecken

83km from central Luxembourg
from 989 €
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Hahn

90km from central Luxembourg
from 630 €
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Seattle to Luxembourg: Flight information

The things to know before you go.
Cheapest flight found596 €
Cheapest month to flyNovember
Average flight time11 hrs, 22 mins
Most popular airlineCargolux
Average flights per week3

Finding cheap flights from Seattle to Luxembourg: Frequently asked questions

The best price we found for a return flight from Seattle to Luxembourg is 596 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 22 minutes is the average flight time from Seattle to Luxembourg.
Cargolux flies direct from Seattle to Luxembourg.
As of June 2026, there are 3 flights per week flying from Seattle to Luxembourg.
The cheapest month to fly from Seattle to Luxembourg is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Luxembourg Airport on Wednesday, 18 November 2026.
Yes – the average flight time is 11 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Luxembourg but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Luxembourg is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Luxembourg is Air France .

Flying from Seattle to Luxembourg Airport (LUX): What you need to know

  • Luxembourg Airport is located in Luxembourg. The city operates on the UTC+1 timezone and is nine hours ahead of Seattle.

  • Arrive at the airport on time so you don't miss your flight from Seattle to LUX. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • If you're flying during a peak month like July, get to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Expect lines to be longer during high seasons like Christmas and New Year.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Consider adding a stopover to find cheap flights from Seattle to LUX. Just deselect 'Direct flights only' when searching for departures from Seattle-Tacoma International Airport (SEA). Pause your trip (and maybe pocket some savings) with a stop at one of these airports:

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

  • SEA is about 23 kilometres from central Seattle. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 35 minutes.

  • Have an early flight from Seattle to Luxembourg Airport? Avoid the hassle of rushing to the terminal (and get a little more snooze time) by choosing one of these hotels close to Seattle-Tacoma International Airport:

  • 80% of flights leaving Seattle-Tacoma International Airport reach their destination as planned. With its dependable on-time performance, you're unlikely to experience delays when flying out of SEA.

Seattle Paine Field International Airport (PAE)

  • PAE is around 40 kilometres from central Seattle. It'll take you 40 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 30 minutes.

  • Catching an early morning flight? You might like to check in to one of these hotels near Seattle Paine Field International Airport the day before your Seattle to LUX flight:

  • Seattle Paine Field International Airport has earned its reputation for punctuality. 80% of flights taking off from here arrive right on target.

About Luxembourg Airport (LUX)

  • Have a late flight from Seattle to Luxembourg Airport? Don't let it leave you bleary-eyed. Check in to one of these hotels near LUX and give yourself a well-earned lights-out:

  • Booking your vehicle around three weeks in advance of your Seattle to Luxembourg Airport flight can help you score a better rate.

Getting from Luxembourg Airport (LUX) to central Luxembourg

  • Central Luxembourg is around 6 kilometres from Luxembourg Airport and takes about 15 minutes to reach by car. See what your options are for heading into the city, whether that's with a taxi, car hire or ride-share.

  • It typically takes 25 minutes to get there using public transport.

How to find the cheapest flights from Seattle to Luxembourg Airport (LUX)

  • 263 € is currently the lowest price for a one-way ticket from Seattle to Luxembourg Airport. A return flight starts from 596 €. These prices may change based on demand and availability.

  • Don't leave things to the last moment. You're more likely to find cheap flights from Seattle to LUX if you book ahead. Airlines often offer some excellent early bird discounts.

  • Cheap Seattle to Luxembourg Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares across the month and then pick the cheapest day.

  • Locking in a cheap plane ticket from Seattle to LUX is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has dropped.

  • Lock in a cheap flight from Seattle to Luxembourg Airport by using filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to Luxembourg Airport (LUX)

  • It's time to work out your travel dates for your flight from Seattle to Luxembourg Airport (LUX). September is the most popular month to visit Luxembourg. If you're all about a more relaxed kind of trip, head there in December.

  • Lock in a Seattle to LUX plane ticket departing in August if you want to experience the city during its warmest month. Expect temperatures in Luxembourg to range from 10ºC (50ºF) to 28ºC (82ºF).

  • If you want cooler conditions, look for a cheap ticket from Seattle to Luxembourg Airport in January when temperatures are between -4ºC (25ºF) and 6ºC (43ºF).

More about Luxembourg

  • Start your Luxembourg trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seattle to Luxembourg Airport, browse our selection of hotels including:

  • There are so many things to do and see in this city, it can be tricky to work out where to begin. Notre Dame Cathedral (Cathedrale Notre Dame), Grand Ducal Palace and Garden Luxembourg are highlights which should feature on any well-planned Luxembourg itinerary.

Plan the rest of your trip from Seattle to Luxembourg

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.