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Bonn

$878+ Cheap flights from St. Louis (STL) to Bonn, Germany

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from St. Louis to Bonn

Keep the following information in mind while searching for St. Louis to Bonn flight deals. Data was last updated April 3, 2025.

Round-trip from

$878
(Gotogate)
From Lambert-St Louis to Bonn
Search Deals

Find flight deals from St. Louis to Bonn

Cheapest flights from St. Louis to Bonn
Explore the most affordable flight options available from St. Louis to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:00 pmSTL - DUS
2 stops20h 05mBritish Airways
Fri 5/910:30 amDUS - STL
2 stops20h 21mBritish Airways
Deal found 4/2$878
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:30 pmSTL - DUS
3 stops25h 55mMultiple Airlines
Fri 5/96:00 amDUS - STL
3 stops20h 58mMultiple Airlines
Deal found 4/2$1,186
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/41:59 pmSTL - DUS
2 stops14h 51mAmerican Airlines
Tue 6/2410:25 amDUS - STL
2 stops17h 05mAmerican Airlines
Deal found 4/2$1,268
This Billigflug deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:30 pmSTL - DUS
1 stop16h 05mLufthansa
Fri 5/96:00 amDUS - STL
1 stop14h 30mLufthansa
Deal found 4/2$1,494
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/43:30 pmSTL - DUS
1 stop15h 50mUnited Airlines
Tue 6/249:10 amDUS - STL
2 stops41h 48mUnited Airlines
Deal found 4/2$1,768

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Bonn 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, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
Use the filters below to find and compare flights from St. Louis to Bonn that are best for you.

Fly from

St. Louis

Fly to

Bonn

Route

Depart

Return

Price

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Fri 5/2

6:00 pm-9:05 pm

2 stops20h 05m

Duesseldorf Intl

Fri 5/9

10:30 am-11:51 pm

2 stops20h 21m

$878

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Fri 5/2

1:30 pm-10:25 pm

3 stops25h 55m

Duesseldorf Intl

Fri 5/9

6:00 am-7:58 pm

3 stops20h 58m

$1,186

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Wed 6/4

1:59 pm-11:50 am

2 stops14h 51m

Duesseldorf Intl

Tue 6/24

10:25 am-8:30 pm

2 stops17h 05m

$1,268

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Fri 5/2

3:30 pm-2:35 pm

1 stop16h 05m

Duesseldorf Intl

Fri 5/9

6:00 am-1:30 pm

1 stop14h 30m

$1,494

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Wed 6/4

3:30 pm-2:20 pm

1 stop15h 50m

Duesseldorf Intl

Tue 6/24

9:10 am-7:58 pm

2 stops41h 48m

$1,768

St. LouisDüsseldorf

STL - DUS

STLDUS

Lambert-St Louis

Tue 5/6

1:10 pm-11:00 am

2 stops14h 50m

$5,592

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from St. Louis to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Bonn

What is the cheapest month to book a flight from St. Louis to Bonn?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Bonn (average of $729). Flying from St. Louis to Bonn in June is currently the most expensive (average of $1,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to BN9?

Find hourly flight availability from St. Louis to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Bonn as you normally would.

Rainfall in Bonn by month

Plan your trip to Bonn by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bonn ranges from 1.2 - 3.1 inches per month. July is typically the wettest month, when rainfall can reach 3.1 in. March is typically the driest time to visit Bonn when rainfall is around 1.2 in.

Temperature in Bonn by month

Plan your trip to Bonn by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bonn, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bonn. Reviews last updated April 3, 2025.
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
771 reviews
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,619 reviews
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,963 reviews
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
British Airways
6.6
Okay
6,718 reviews
Austrian Airlines
7.6
Good
771 reviews

Boarding

7.6

Entertainment

6.7

Comfort

7.3

Overall

7.6

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Bonn. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Bonn?

    For a flight from St. Louis to Bonn, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Bonn per day. 7 airlines have flights to Bonn from Lambert-St Louis on a regular basis.

  • What are the cheapest flights from St. Louis to Bonn?

    While on average a flight from St. Louis to Bonn is generally $2,528, our data shows the cheapest flight currently is $505. When looking at the most popular route, (Lambert-St Louis - Duesseldorf Intl), you can expect to pay $878 for that flight.

  • Can I find deals for flights from St. Louis to Bonn that include hotel bookings?

    Yes. In addition to deals on St. Louis to Bonn flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Bonn?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Bonn.

  • Can I find deals for business class flights from St. Louis to Bonn?

    Yes. Cheapflights offers flight deals from St. Louis to Bonn by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Bonn?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Bonn (average of $729). Flying from St. Louis to Bonn in June is currently the most expensive (average of $1,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Bonn

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Top 7 airlines flying from St. Louis to Bonn

Discover the top 7 airlines that operate flights from St. Louis to Bonn. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$576Average$983FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$629Average$969FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$649Average$1,163FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$789Average$1,190FlexibilityNo cancel feeOn-time69%
KLMCheapest$877Average$1,064FlexibilityNo cancel feeOn-time75%
DeltaCheapest$912Average$1,227FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$970Average$1,309FlexibilityNo cancel feeOn-time67%

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