How do I get Price Alerts for flights from Cologne to St. Louis?

Price Alerts will notify you by email when the price for flights to St. Louis from Cologne decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Cologne to St. Louis with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport?

Prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport were last updated today.

How old do you have to be to fly from Cologne Köln/Bonn Airport to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$627 Cheap Flights from Cologne to St. Louis in 2025/26

1 adult

0 bags

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Find the cheapest flights from Cologne to St. Louis

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5:05 pm - 5:05 pm

CGN

STL

55h 00m2 stops

6:33 pm - 4:10 pm

STL

CGN

14h 37m2 stops

$627British Airways

Thu, Feb 19 - Mon, Feb 23

5:15 pm - 5:05 pm

CGN

STL

54h 50m2 stops

6:58 pm - 4:30 pm

STL

CGN

14h 32m2 stops

$628British Airways

Wed, Feb 18 - Sun, Feb 22

8:40 am - 11:59 pm

CGN

STL

22h 19m2 stops

12:44 pm - 12:10 pm

STL

CGN

16h 26m2 stops

$1,031Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

6:45 am - 11:39 pm

CGN

STL

23h 54m3 stops

6:55 pm - 8:25 am

STL

CGN

30h 30m3 stops

$1,244Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

6:50 am - 11:59 pm

CGN

STL

24h 09m2 stops

9:57 am - 12:10 pm

STL

CGN

19h 13m3 stops

$1,449Multiple Airlines

Thu, Jan 8 - Mon, Jan 12

British Airways flights from Cologne to St. Louis

Our best British Airways deals on Cologne to St. Louis flight tickets

British Airways

Feb 19

CGN5:05 pmCologne Köln/Bonn

55h 00m

2 stops

STL5:05 pmLambert-St Louis

Feb 23

STL6:33 pmLambert-St Louis

14h 37m

2 stops

CGN4:10 pmCologne Köln/Bonn

$627

Find similar

British Airways

Feb 18

CGN5:15 pmCologne Köln/Bonn

54h 50m

2 stops

STL5:05 pmLambert-St Louis

Feb 22

STL6:58 pmLambert-St Louis

14h 32m

2 stops

CGN4:30 pmCologne Köln/Bonn

$628

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 2/19

5:05 pm-5:05 pm

2 stops55h 00m

Lambert-St Louis

Mon 2/23

6:33 pm-4:10 pm

2 stops14h 37m

$627

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Wed 2/18

5:15 pm-5:05 pm

2 stops54h 50m

Lambert-St Louis

Sun 2/22

6:58 pm-4:30 pm

2 stops14h 32m

$628

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 1/8

8:40 am-11:59 pm

2 stops22h 19m

Lambert-St Louis

Mon 1/12

12:44 pm-12:10 pm

2 stops16h 26m

$1,031

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 1/8

6:45 am-11:39 pm

3 stops23h 54m

Lambert-St Louis

Mon 1/12

6:55 pm-8:25 am

3 stops30h 30m

$1,244

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 1/8

6:50 am-11:59 pm

2 stops24h 09m

Lambert-St Louis

Mon 1/12

9:57 am-12:10 pm

3 stops19h 13m

$1,449

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cologne to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Cologne to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Cologne to St. Louis (CGN to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to St. Louis

Fastest flight time	22h 19m
Direct flights	None

The fastest flight from Cologne to St. Louis takes 22h 19m

There are no direct flights from Cologne to St. Louis. There are no popular flight routes from Cologne to St. Louis.

Search flight deals

How far is Cologne Köln/Bonn to Lambert-St Louis by plane?
The straight-line distance from Cologne Köln/Bonn to Lambert-St Louis is 4484.3 mi. A reasonable flight in good conditions will take 22h 19m.
When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport?
Prices for flights from Cologne Köln/Bonn Airport to Lambert-St Louis Airport were last updated today.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cologne Köln/Bonn Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Cologne to St. Louis?
Price Alerts will notify you by email when the price for flights to St. Louis from Cologne decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Cologne to St. Louis with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Cologne to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Cologne to St. Louis with flexible booking policies on momondo?

All flight searches from Cologne to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cologne to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Cologne.

I’m not ready to book a flight from Cologne to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Cologne are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.