Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Cologne from $507

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Cologne

Cheap round-trip flights

British Airways Logo
4:48 pm - 4:20 pmSTL-CGN
16h 32m2 stops
British Airways Logo
4:35 pm - 10:29 pmCGN-STL
36h 54m2 stops
$797British Airways
Find Deal
Fri, Nov 14 - Sun, Nov 23
British Airways Logo
1:03 pm - 9:00 pmSTL-CGN
24h 57m2 stops
British Airways Logo
10:15 pm - 8:16 pmCGN-STL
29h 01m2 stops
$802British Airways
Find Deal
Wed, Sep 3 - Wed, Sep 10
British Airways Logo
3:59 pm - 9:00 pmSTL-CGN
22h 01m2 stops
British Airways Logo
10:15 pm - 3:25 pmCGN-STL
24h 10m2 stops
$857British Airways
Find Deal
Wed, Sep 17 - Wed, Sep 24
British Airways Logo
3:59 pm - 9:00 pmSTL-CGN
22h 01m2 stops
British Airways Logo
10:15 am - 9:06 pmCGN-STL
17h 51m2 stops
$862British Airways
Find Deal
Wed, Sep 10 - Sun, Sep 14
Logo
9:15 am - 5:10 pmSTL-CGN
24h 55m3 stops
Logo
6:40 am - 7:38 pmCGN-STL
19h 58m2 stops
$995
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
3:23 pm - 4:20 pmSTL-CGN
17h 57m2 stops
Logo
4:35 pm - 10:15 amCGN-STL
24h 40m3 stops
$1,100
Find Deal
Fri, Nov 14 - Sun, Nov 23
Logo
9:15 am - 5:10 pmSTL-CGN
24h 55m3 stops
Logo
6:05 am - 7:38 pmCGN-STL
20h 33m3 stops
$1,107
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
9:15 am - 9:50 pmSTL-CGN
29h 35m3 stops
Logo
3:20 pm - 7:57 pmCGN-STL
35h 37m2 stops
$1,108
Find Deal
Wed, Sep 17 - Wed, Sep 24
Logo
4:05 pm - 1:35 pmSTL-CGN
38h 30m3 stops
Logo
10:00 am - 3:29 pmCGN-STL
36h 29m3 stops
$1,182
Find Deal
Fri, Nov 14 - Sun, Nov 23
Logo
4:05 pm - 7:20 pmSTL-CGN
20h 15m3 stops
Logo
6:05 am - 7:57 pmCGN-STL
20h 52m3 stops
$1,190
Find Deal
Wed, Sep 17 - Wed, Sep 24

British Airways flights from St. Louis to Cologne

Our best British Airways deals on St. Louis to Cologne flight tickets
British Airways
Nov 14
STL4:48 pmLambert-St Louis
16h 32m
2 stops
CGN4:20 pmCologne Köln/Bonn
Nov 23
CGN4:35 pmCologne Köln/Bonn
36h 54m
2 stops
STL10:29 pmLambert-St Louis
$797
Find similar
British Airways
Sep 3
STL1:03 pmLambert-St Louis
24h 57m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 10
CGN10:15 pmCologne Köln/Bonn
29h 01m
2 stops
STL8:16 pmLambert-St Louis
$802
Find similar
British Airways
Sep 17
STL3:59 pmLambert-St Louis
22h 01m
2 stops
CGN9:00 pmCologne Köln/Bonn
Sep 24
CGN10:15 pmCologne Köln/Bonn
24h 10m
2 stops
STL3:25 pmLambert-St Louis
$857
Find similar

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 August 5, 2025.
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

Fri 11/14

4:48 pm-4:20 pm

2 stops16h 32m

Cologne Köln/Bonn

Sun 11/23

4:35 pm-10:29 pm

2 stops36h 54m

$797

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/3

1:03 pm-9:00 pm

2 stops24h 57m

Cologne Köln/Bonn

Wed 9/10

10:15 pm-8:16 pm

2 stops29h 01m

$802

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/17

3:59 pm-9:00 pm

2 stops22h 01m

Cologne Köln/Bonn

Wed 9/24

10:15 pm-3:25 pm

2 stops24h 10m

$857

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/10

3:59 pm-9:00 pm

2 stops22h 01m

Cologne Köln/Bonn

Sun 9/14

10:15 am-9:06 pm

2 stops17h 51m

$862

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/3

9:15 am-5:10 pm

3 stops24h 55m

Cologne Köln/Bonn

Wed 9/10

6:40 am-7:38 pm

2 stops19h 58m

$995

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Fri 11/14

3:23 pm-4:20 pm

2 stops17h 57m

Cologne Köln/Bonn

Sun 11/23

4:35 pm-10:15 am

3 stops24h 40m

$1,100

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/3

9:15 am-5:10 pm

3 stops24h 55m

Cologne Köln/Bonn

Wed 9/10

6:05 am-7:38 pm

3 stops20h 33m

$1,107

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/17

9:15 am-9:50 pm

3 stops29h 35m

Cologne Köln/Bonn

Wed 9/24

3:20 pm-7:57 pm

2 stops35h 37m

$1,108

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Fri 11/14

4:05 pm-1:35 pm

3 stops38h 30m

Cologne Köln/Bonn

Sun 11/23

10:00 am-3:29 pm

3 stops36h 29m

$1,182

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Wed 9/17

4:05 pm-7:20 pm

3 stops20h 15m

Cologne Köln/Bonn

Wed 9/24

6:05 am-7:57 pm

3 stops20h 52m

$1,190

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 day to depart on your flight to Cologne?

The cheapest day to depart from St. Louis to Cologne is on a Wednesday when prices can be found for as low as $784. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,661.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the afternoon when flights can be purchased for as low as $869. In the morning is when there is more demand to fly to Cologne, so prices are often more expensive at around $1,549 per ticket.

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

Best Price Found

$507

Fastest flight time

16h 32m

Direct flights

None

Airports in Cologne

1 airport
The best one-way flight to Cologne from St. Louis in the past 72 hours is $507. The best round-trip flight deal from St. Louis to Cologne found on momondo in the last 72 hours is $797.
The fastest flight from St. Louis to Cologne takes 16h 32m
There are no direct flights from St. Louis to Cologne. Popular non-direct route for this connection is Lambert-St Louis Airport - Cologne Köln/Bonn Airport.
There is 1 airport near Cologne: Cologne Köln/Bonn (CGN)
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 16h 32m.

  • 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 many operators does momondo search for flights from Lambert-St Louis Airport to Cologne Köln/Bonn Airport?

  • 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.

  • What is the most popular airline from St. Louis to Cologne?

Best airlines flying from St. Louis to Cologne

Compare and see reviews for airlines that fly from St. Louis to Cologne with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $783Free CancellationRating
6.8
7,287 reviews
Search Lufthansa flights

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.

An easier way to manage your Cologne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/10
Sun 8/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Germany