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Cheap flights from St. Louis to Cologne from $318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Cologne departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 12:35 pm
STL
-
CGN
23h 35m
2 stops
United Airlines Logo
1:35 pm - 1:19 pm
CGN
-
STL
29h 44m
2 stops
$688United Airlines
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
4:13 pm - 3:40 pm
STL
-
CGN
16h 27m
2 stops
British Airways Logo
5:15 pm - 11:44 pm
CGN
-
STL
36h 29m
2 stops
$694British Airways
Thu, Mar 5 - Mon, Mar 16
Lufthansa Logo
11:39 am - 12:35 pm
STL
-
CGN
17h 56m
2 stops
Lufthansa Logo
1:15 pm - 11:59 pm
CGN
-
STL
17h 44m
2 stops
$745Lufthansa
Tue, Feb 24 - Sun, Mar 1
Lufthansa Logo
11:39 am - 12:35 pm
STL
-
CGN
17h 56m
2 stops
Lufthansa Logo
9:10 am - 11:51 pm
CGN
-
STL
20h 41m
2 stops
$747Lufthansa
Tue, Feb 24 - Sun, Mar 8
United Airlines Logo
3:15 pm - 5:15 pm
STL
-
CGN
19h 00m
2 stops
United Airlines Logo
1:15 pm - 9:40 pm
CGN
-
STL
15h 25m
2 stops
$790United Airlines
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
11:25 am - 12:10 pm
STL
-
CGN
17h 45m
3 stops
Multiple Airlines Logo
1:40 pm - 3:29 pm
CGN
-
STL
31h 49m
2 stops
$898Multiple Airlines
Tue, Feb 24 - Sun, Mar 8
Lufthansa Logo
11:39 am - 10:00 am
STL
-
CGN
15h 21m
2 stops
Lufthansa Logo
1:20 pm - 11:51 pm
CGN
-
STL
16h 31m
2 stops
$1,048Lufthansa
Thu, Feb 26 - Mon, Mar 16
Lufthansa Logo
11:39 am - 10:00 am
STL
-
CGN
15h 21m
2 stops
Lufthansa Logo
1:20 pm - 11:51 pm
CGN
-
STL
16h 31m
2 stops
$1,049Lufthansa
Thu, Feb 26 - Mon, Mar 16
Air Canada Logo
4:05 pm - 12:10 pm
STL
-
CGN
13h 05m
2 stops
Air Canada Logo
8:40 am - 9:07 pm
CGN
-
STL
18h 27m
3 stops
$1,067Air Canada
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
11:25 am - 12:10 pm
STL
-
CGN
17h 45m
3 stops
Multiple Airlines Logo
1:40 pm - 3:29 pm
CGN
-
STL
32h 49m
2 stops
$1,121Multiple Airlines
Tue, Feb 24 - Sun, Mar 1

United Airlines flights from St. Louis to Cologne

Our best United Airlines deals on St. Louis to Cologne flight tickets
United Airlines
Mar 5
STL6:00 amLambert-St Louis
23h 35m
2 stops
CGN12:35 pmCologne Köln/Bonn
Mar 12
CGN1:35 pmCologne Köln/Bonn
29h 44m
2 stops
STL1:19 pmLambert-St Louis
$688
United Airlines
Feb 25
STL3:15 pmLambert-St Louis
19h 00m
2 stops
CGN5:15 pmCologne Köln/Bonn
Mar 1
CGN1:15 pmCologne Köln/Bonn
15h 25m
2 stops
STL9:40 pmLambert-St Louis
$790
United Airlines
Jun 4
STL9:23 amLambert-St Louis
19h 57m
2 stops
CGN12:20 pmCologne Köln/Bonn
Jun 20
CGN8:30 amCologne Köln/Bonn
19h 41m
2 stops
STL9:11 pmLambert-St Louis
$1,609

Lufthansa flights from St. Louis to Cologne

Our best Lufthansa deals on St. Louis to Cologne flight tickets
Lufthansa
Feb 24
STL11:39 amLambert-St Louis
17h 56m
2 stops
CGN12:35 pmCologne Köln/Bonn
Mar 1
CGN1:15 pmCologne Köln/Bonn
17h 44m
2 stops
STL11:59 pmLambert-St Louis
$745
Lufthansa
Feb 24
STL11:39 amLambert-St Louis
17h 56m
2 stops
CGN12:35 pmCologne Köln/Bonn
Mar 8
CGN9:10 amCologne Köln/Bonn
20h 41m
2 stops
STL11:51 pmLambert-St Louis
$747
Lufthansa
Feb 26
STL11:39 amLambert-St Louis
15h 21m
2 stops
CGN10:00 amCologne Köln/Bonn
Mar 16
CGN1:20 pmCologne Köln/Bonn
16h 31m
2 stops
STL11:51 pmLambert-St Louis
$1,048

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Cologne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from St. Louis to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 3/5

6:00 am-12:35 pm

2 stops23h 35m

Cologne Köln/Bonn

Thu 3/12

1:35 pm-1:19 pm

2 stops29h 44m

$688

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 3/5

4:13 pm-3:40 pm

2 stops16h 27m

Cologne Köln/Bonn

Mon 3/16

5:15 pm-11:44 pm

2 stops36h 29m

$694

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Tue 2/24

11:39 am-12:35 pm

2 stops17h 56m

Cologne Köln/Bonn

Sun 3/1

1:15 pm-11:59 pm

2 stops17h 44m

$745

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Tue 2/24

11:39 am-12:35 pm

2 stops17h 56m

Cologne Köln/Bonn

Sun 3/8

9:10 am-11:51 pm

2 stops20h 41m

$747

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 2/25

3:15 pm-5:15 pm

2 stops19h 00m

Cologne Köln/Bonn

Sun 3/1

1:15 pm-9:40 pm

2 stops15h 25m

$790

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Tue 2/24

11:25 am-12:10 pm

3 stops17h 45m

Cologne Köln/Bonn

Sun 3/8

1:40 pm-3:29 pm

2 stops31h 49m

$898

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 2/26

11:39 am-10:00 am

2 stops15h 21m

Cologne Köln/Bonn

Mon 3/16

1:20 pm-11:51 pm

2 stops16h 31m

$1,048

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 2/26

11:39 am-10:00 am

2 stops15h 21m

Cologne Köln/Bonn

Mon 3/16

1:20 pm-11:51 pm

2 stops16h 31m

$1,049

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Thu 3/5

4:05 pm-12:10 pm

2 stops13h 05m

Cologne Köln/Bonn

Thu 3/12

8:40 am-9:07 pm

3 stops18h 27m

$1,067

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Tue 2/24

11:25 am-12:10 pm

3 stops17h 45m

Cologne Köln/Bonn

Sun 3/1

1:40 pm-3:29 pm

2 stops32h 49m

$1,121

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Cologne from

How to get the cheapest flight ticket from St. Louis to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Cologne Köln/Bonn?

British Airways and United Airlines are the most popular carriers operating from Lambert-St Louis to Cologne Köln/Bonn

What airlines fly to Cologne?

Lufthansa, United Airlines and American Airlines are the top three most popular airlines that fly to Cologne from St. Louis according to our data. Lufthansa is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 7 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Cologne

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

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

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from St. Louis to Cologne takes 13h 50m
There are no direct flights from St. Louis to Cologne. There are no popular flight routes from St. Louis to Cologne.
Search flight deals

  • How far is Lambert-St Louis to Cologne Köln/Bonn by plane?

    Lambert-St Louis and Cologne Köln/Bonn are 4484.3 mi apart from one another. In terms of flight time, this usually takes a little over 13h 50m.

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

    Prices for flights from Lambert-St Louis Airport to Cologne Köln/Bonn Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Cologne Köln/Bonn Airport.

  • What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

    The travel and health documents required for your trip to Cologne Köln/Bonn 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 Cologne Köln/Bonn Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cologne from St. Louis.

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

Yes. All flights to Cologne from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential St. Louis to Cologne flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for St. Louis to Cologne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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