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).

What cabin classes can I book on flights from St. Louis to Luxembourg?

Two cabin classes are available on flights from St. Louis to Luxembourg: • Economy Class • Premium Economy Class

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. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 60% on the St. Louis to Luxembourg route. 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 popular places can I visit in Luxembourg?

Some of the most popular sights in Luxembourg are Place Guillaume II, Place de la Constitution and Plëss d'Arem. These are among the most viewed places in Luxembourg on KAYAK.

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

A nonstop flight from St. Louis to Luxembourg takes 0h 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.

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 $619 to $1,118. That means the highest observed fare was about 80% higher than the lowest one.

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

Luxembourg Airport (LUX) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include: • Europcar • Alamo • keddy by Europcar • Hertz • Sixt

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.

What is the cheapest airline to fly from St. Louis to Luxembourg?

Air France ($619) and Lufthansa ($699) are the cheapest airlines to fly round-trip from St. Louis to Luxembourg according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from St. Louis to Luxembourg?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $878. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Luxembourg which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for St. Louis to Luxembourg layovers at 429 minutes over the past 3 months.

$619 CHEAP FLIGHTS from St. Louis to Luxembourg (STL - LUX)

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Cheapest round-trip

$619

Typical prices: $690-$1,085

Air France

Sat 2/17Mon 4/16

STL - LUX • 2 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Luxembourg. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 47% price drop

June

Most popular

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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.

Round-trip

One-way

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

Wed, Feb 17 - Fri, Apr 16

10:45 am - 10:35 amSTL Lambert-St Louis-LUX Luxembourg

16h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

7:30 am - 4:50 pmLUX Luxembourg-STL Lambert-St Louis

16h 20m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$619Air France

Wed, Feb 17 - Fri, Apr 16

10:45 am - 10:35 amSTL Lambert-St Louis-LUX Luxembourg

16h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

2:35 pm - 11:39 pmLUX Luxembourg-STL Lambert-St Louis

16h 04m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$619Multiple Airlines

Wed, Feb 17 - Fri, Apr 16

11:51 am - 10:35 amSTL Lambert-St Louis-LUX Luxembourg

15h 44m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

2:35 pm - 11:39 pmLUX Luxembourg-STL Lambert-St Louis

16h 04m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$619Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

12:00 pm - 10:35 amSTL Lambert-St Louis-LUX Luxembourg

15h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

7:30 am - 4:31 pmLUX Luxembourg-STL Lambert-St Louis

16h 01m2 stops Paris Charles de Gaulle Minneapolis St Paul

$664Air France

Mon, Nov 2 - Mon, Nov 9

2:25 pm - 10:35 amSTL Lambert-St Louis-LUX Luxembourg

13h 10m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

7:30 am - 6:13 pmLUX Luxembourg-STL Lambert-St Louis

17h 43m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$664Air France

Wed, Feb 17 - Fri, Apr 16

1:08 pm - 4:35 pmSTL Lambert-St Louis-LUX Luxembourg

20h 27m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

8:20 am - 1:25 pmLUX Luxembourg-STL Lambert-St Louis

12h 05m1 stop Frankfurt am Main

$699Lufthansa

Wed, Feb 17 - Fri, Apr 16

7:04 pm - 4:35 pmSTL Lambert-St Louis-LUX Luxembourg

14h 31m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:05 am - 1:25 pmLUX Luxembourg-STL Lambert-St Louis

14h 20m1 stop Frankfurt am Main

$699Lufthansa

Wed, Feb 17 - Fri, Apr 16

1:08 pm - 9:55 amSTL Lambert-St Louis-LUX Luxembourg

13h 47m2 stops Chicago O'Hare Intl Frankfurt am Main

8:20 am - 1:25 pmLUX Luxembourg-STL Lambert-St Louis

12h 05m1 stop Frankfurt am Main

$712Lufthansa

Wed, Feb 17 - Fri, Apr 16

4:05 pm - 6:20 pmSTL Lambert-St Louis-LUX Luxembourg

19h 15m2 stops Toronto Pearson Intl Zurich

8:20 am - 1:25 pmLUX Luxembourg-STL Lambert-St Louis

12h 05m1 stop Frankfurt am Main

$713Multiple Airlines

Wed, Feb 17 - Fri, Apr 16

3:40 pm - 9:55 amSTL Lambert-St Louis-LUX Luxembourg

11h 15m1 stop Frankfurt am Main

6:05 am - 1:25 pmLUX Luxembourg-STL Lambert-St Louis

14h 20m1 stop Frankfurt am Main

$713Multiple 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 from St. Louis to Luxembourg with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from St. Louis to Luxembourg start at $619. Prices are below average for this route right now, with typical round-trip fares ranging from $690 to $1,085. The lowest price found in the past 5 days was $619 on Air France.

What's the cheapest day of the week to fly from St. Louis to Luxembourg?

Monday is the cheapest day of the week to fly from St. Louis to Luxembourg, it is 53% cheaper than the average day. Thursday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	November
High season	June
Cheapest flight	$619

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Luxembourg?
Two cabin classes are available on flights from St. Louis to Luxembourg:

• Economy Class
• Premium Economy Class
How long is a flight from St. Louis to Luxembourg?
A nonstop flight from St. Louis to Luxembourg takes 0h 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 $619 to $1,118. That means the highest observed fare was about 80% 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 starting from around $22 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. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from St. Louis to Luxembourg?
Yes. Being flexible with your travel dates can save you up to 60% on the St. Louis to Luxembourg route. 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 Plëss d'Arem. These are among the most viewed places in Luxembourg on KAYAK.

If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $440 - about $656 less than Thursday (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

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STL - LUX

$619 Find Cheap Flights from St. Louis to Luxembourg - Compare and Save

Everything you should know

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

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

Recent one-way flight deals from St. Louis to Luxembourg

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

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

What's the cheapest day of the week to fly from St. Louis to Luxembourg?

What is the cheapest airline to fly from St. Louis to Luxembourg?

What is the cheapest layover airport when flying from St. Louis to Luxembourg?

When flying from St. Louis to Luxembourg which airport offers the shortest layover?

Key details for St. Louis to Luxembourg flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Luxembourg

Your St. Louis to Luxembourg flight questions, answered

Your guide to booking St. Louis to Luxembourg flights

More options for your flight from St. Louis to Luxembourg

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

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Luxembourg

Find direct flights to and from St. Louis and Luxembourg

Flights from domestic origins to Luxembourg

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