STL - LUX

$709 Find Cheap Flights from St. Louis to Luxembourg - Compare and Save

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Everything you should know

Cheapest round-trip
$709
Typical prices: $690-$1,085
Lufthansa
Sat 2/17Mon 4/16
STL - LUX • 2 stops
Nonstop flights
There are currently no direct flights between St. Louis and Luxembourg. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 47% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from St. Louis to Luxembourg (STL-LUX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Luxembourg

Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
1:08 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
20h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:10 am - 1:25 pmLUX  Luxembourg-STL Lambert-St Louis
14h 15m1 stop Frankfurt am Main
$709Lufthansa
Wed, Feb 17 - Fri, Apr 16
Multiple Airlines Logo
7:10 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
14h 20m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:10 am - 1:25 pmLUX  Luxembourg-STL Lambert-St Louis
14h 15m1 stop Frankfurt am Main
$709Multiple Airlines
Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
1:08 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
20h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
8:15 am - 3:38 pmLUX  Luxembourg-STL Lambert-St Louis
38h 23m2 stops Frankfurt am Main Chicago O'Hare Intl
$714Lufthansa
Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
1:08 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
20h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
10:45 am - 10:54 pmLUX  Luxembourg-STL Lambert-St Louis
19h 09m2 stops Frankfurt am Main Chicago O'Hare Intl
$714Lufthansa
Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
1:08 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
20h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:10 am - 10:54 pmLUX  Luxembourg-STL Lambert-St Louis
23h 44m2 stops Frankfurt am Main Chicago O'Hare Intl
$714Lufthansa
Wed, Feb 17 - Fri, Apr 16
Multiple Airlines Logo
12:01 pm - 10:35 amSTL  Lambert-St Louis-LUX Luxembourg
15h 34m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 3:58 pmLUX  Luxembourg-STL Lambert-St Louis
16h 58m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$721Multiple Airlines
Wed, Feb 17 - Fri, Apr 16
Multiple Airlines Logo
3:40 pm - 1:45 pmSTL  Lambert-St Louis-LUX Luxembourg
15h 05m1 stop Frankfurt am Main
Multiple Airlines Logo
8:15 am - 1:25 pmLUX  Luxembourg-STL Lambert-St Louis
12h 10m1 stop Frankfurt am Main
$723Multiple Airlines
Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
3:40 pm - 6:05 pmSTL  Lambert-St Louis-LUX Luxembourg
19h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:10 am - 1:25 pmLUX  Luxembourg-STL Lambert-St Louis
14h 15m1 stop Frankfurt am Main
$727Lufthansa
Wed, Feb 17 - Fri, Apr 16
Lufthansa Logo
1:08 pm - 4:30 pmSTL  Lambert-St Louis-LUX Luxembourg
20h 22m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:10 am - 1:25 pmLUX  Luxembourg-STL Lambert-St Louis
14h 15m1 stop Frankfurt am Main
$727Lufthansa
Wed, Feb 17 - Fri, Apr 16
Multiple Airlines Logo
9:20 am - 9:55 amSTL  Lambert-St Louis-LUX Luxembourg
17h 35m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
8:15 am - 3:26 pmLUX  Luxembourg-STL Lambert-St Louis
38h 11m2 stops Frankfurt am Main Toronto Pearson Intl
$743Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Luxembourg flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Luxembourg?

Round-trip flights from St. Louis to Luxembourg typically range from $690 to $1,085. The lowest price found in the past 5 days was $709, on Lufthansa.

Key details for St. Louis to Luxembourg flights

Cheapest flight

$709
The most popular month to fly with an average 14% increase in travelers.
Round-trip flight from St. Louis to Luxembourg

When to book flights from St. Louis to Luxembourg

Are your dates flexible? Find out the best times to travel from St. Louis to Luxembourg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Luxembourg flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • How long is a flight from St. Louis to Luxembourg?

    A nonstop flight from St. Louis to Luxembourg takes 00m, covering 4,504 miles.

  • Do I need a passport to fly from St. Louis to Luxembourg?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Luxembourg flight?

    Round-trip flights from St. Louis to Luxembourg range from $690 to $1,085, with an average of $918 over the past 12 months. Anything below $690 counts as a good deal.

  • Have flight prices from St. Louis to Luxembourg changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $709 to $1,221. That means the highest observed fare was about 72% higher than the lowest one.

  • What car rental options are available at Luxembourg Airport (LUX)?

    Luxembourg Airport (LUX) hosts 5 major car rental companies, with daily rates averaging $58 for economy cars. Top options include:

    • Europcar
    • Alamo
    • keddy by Europcar
    • Hertz
    • Sixt

  • Which airports can I use when flying from St. Louis to Luxembourg?

    Flights from St. Louis to Luxembourg usually depart from Lambert-St Louis (STL) and arrive at Luxembourg (LUX).

  • Which airports do connecting flights from St. Louis to Luxembourg pass through?

    Most connecting flights from St. Louis to Luxembourg pass through Frankfurt am Main (FRA), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from St. Louis to Luxembourg?

    Yes. Flexible dates can save you up to 60% on flights from St. Louis to Luxembourg. Monday is the cheapest departure day at $440 round-trip on average, while Thursday is the most expensive at $1,096, a difference of $656.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between St. Louis and Luxembourg?

    Luxembourg is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Luxembourg?

    Some of the most popular sights in Luxembourg are Place Guillaume II, Place de la Constitution and Luxembourg City Municipal Park. These are among the most viewed places in Luxembourg on KAYAK.

Your guide to booking St. Louis to Luxembourg flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $440, about $656 less than Thursday fares (60% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Luxembourg trip for March. Fares historically average $490 round-trip in that month - typically $606 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Luxembourg Airport.

    • Ibis Budget Luxembourg Aéroport
    • ibis Luxembourg Aéroport

More options for your flight from St. Louis to Luxembourg

Complete your trip to Luxembourg with a hotel stay or car rental