HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bonn

$353+ Cheap flights from Denver (DEN) to Bonn, Germany

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — FRA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Bonn with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Bonn

Keep the following information in mind while searching for Denver to Bonn flight deals. Data was last updated April 24, 2025.

Round-trip from

$733
(Cheapflightsfares)

One-way from

$353
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$705
From Denver Intl to Bonn
Search Deals
One-way flight from Denver Intl to Bonn
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Denver to Bonn

Cheapest flights from Denver to Bonn
Explore the most affordable flight options available from Denver to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/23. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:52 pmDEN - DUS
2 stops21h 03mFinnair
Tue 12/166:40 pmDUS - DEN
2 stops31h 00mFinnair
Deal found 4/23$731
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:35 pmDEN - DUS
1 stop18h 30mBritish Airways
Wed 8/277:15 amDUS - DEN
1 stop17h 10mBritish Airways
Deal found 4/23$733
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 4/286:35 pmDEN - DUS
1 stop12h 45mAmerican Airlines
Thu 5/87:10 amDUS - DEN
1 stop17h 15mAmerican Airlines
Deal found 4/23$736
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:35 pmDEN - DUS
2 stops32h 35mIberia
Sun 9/2111:55 amDUS - DEN
2 stops19h 40mIberia
Deal found 4/23$920
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:05 amDEN - DUS
3 stops28h 40mScandinavian Airlines
Thu 5/810:10 amDUS - DEN
2 stops21h 44mScandinavian Airlines
Deal found 4/23$1,159
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/23. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:59 pmDEN - DUS
2 stops28h 21mMultiple Airlines
Tue 12/1610:25 amDUS - DEN
3 stops30h 20mMultiple Airlines
Deal found 4/23$1,585
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/23. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:05 pmDEN - DUS
3 stops38h 20mTAP AIR PORTUGAL
Wed 8/271:15 pmDUS - DEN
2 stops27h 01mTAP AIR PORTUGAL
Deal found 4/23$2,389
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:15 pmDEN - DUS
1 stop14h 50mLufthansa
Tue 9/307:30 amDUS - DEN
1 stop14h 15mLufthansa
Deal found 4/23$20,034

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 24, 2025.
Use the filters below to find and compare flights from Denver to Bonn that are best for you.

Fly from

Denver

Fly to

Bonn

Route

Depart

Return

Price

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Wed 8/13

6:35 pm-9:05 pm

1 stop18h 30m

Duesseldorf Intl

Wed 8/27

7:15 am-4:25 pm

1 stop17h 10m

$733

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Mon 8/18

2:06 pm-6:00 pm

2 stops19h 54m

Duesseldorf Intl

Thu 8/28

8:25 am-10:27 pm

2 stops22h 02m

$734

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Wed 8/13

6:35 pm-9:05 pm

1 stop18h 30m

Duesseldorf Intl

Wed 8/27

6:20 am-7:57 pm

2 stops21h 37m

$736

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Mon 7/28

6:35 pm-9:05 pm

1 stop18h 30m

Duesseldorf Intl

Wed 8/13

10:50 am-8:47 pm

2 stops17h 57m

$744

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Mon 9/15

6:35 pm-11:10 am

2 stops32h 35m

Duesseldorf Intl

Sun 9/21

11:55 am-11:35 pm

2 stops19h 40m

$920

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Mon 8/18

7:00 am-2:50 pm

3 stops23h 50m

Duesseldorf Intl

Thu 8/28

10:10 am-11:49 pm

2 stops21h 39m

$1,274

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Wed 8/13

2:05 pm-12:25 pm

3 stops38h 20m

Duesseldorf Intl

Wed 8/27

1:15 pm-8:16 am

2 stops27h 01m

$2,389

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Sat 9/20

4:15 pm-3:05 pm

1 stop14h 50m

Duesseldorf Intl

Tue 9/30

7:30 am-1:45 pm

1 stop14h 15m

$20,034

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Tue 10/7

8:10 pm-10:10 pm

3 stops18h 00m

$353

DenverDüsseldorf

DEN - DUS

DENDUS

Denver Intl

Mon 8/18

9:03 am-9:45 am

2 stops16h 42m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 results
1
2

Best time to book a flight from Denver to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn from Denver 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 Denver to Bonn

What is the cheapest month to book a flight from Denver to Bonn?

Currently, January is the cheapest month in which you can book a flight from Denver to Bonn (average of $729). Flying from Denver 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 DEN to BN9?

Find hourly flight availability from Denver 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 24, 2025.

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

What is the cheapest day to fly from Denver to Bonn?

Use this chart to determine the cheapest time to fly round-trip from Denver to Bonn. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Bonn flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Bonn

Explore weekly flight availability from Denver to Bonn. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2025.

The most flights from DEN to BN9 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 24, 2025.
Read through reviews of airlines operating flights from Denver to Bonn, such as Finnair, United Airlines and Scandinavian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,272 reviews
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,685 reviews
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.3
Good
1,344 reviews
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
TAP AIR PORTUGAL
7.1
Good
1,845 reviews
Finnair
7.6
Good
1,272 reviews

Food

6.7

Comfort

7.4

Boarding

7.6

Entertainment

6.9

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Denver 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 Denver to Bonn?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Bonn. You should not have trouble finding flights to Bonn from Denver Intl; the airport handles an average of 0 outbound flights to Bonn per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Denver airport to Bonn. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

  • What are the cheapest airlines to fly from Denver to Bonn one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $455. Users have also found prices from $518 and $964 on British Airways and United Airlines, respectively.

  • What are the most reliable airlines from Denver to Bonn?

    Consider Air Canada (97%), Lufthansa (87%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Denver to Bonn.

  • What are the cheapest flights from Denver to Bonn?

    Looking for the cheapest flight from Denver to Bonn? While on average our users pay $1,688, our data indicates the cheapest price to be $522. The most popular route (Denver Intl - Duesseldorf Intl), is priced around $733.

  • Can I find deals for flights from Denver to Bonn that include hotel bookings?

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

  • How can I find direct flights from Denver to Bonn?

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

  • Can I find deals for business class flights from Denver to Bonn?

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Bonn?

    Currently, January is the cheapest month in which you can book a flight from Denver to Bonn (average of $729). Flying from Denver 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Bonn

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Frankfurt flights
Denver to Munich flights
Denver to Berlin flights
Denver to Frankfurt-Hahn flights
Denver to Duesseldorf Intl flights
Montrose to Frankfurt flights
Denver to Stuttgart flights
Colorado Springs to Munich flights
Denver to Cologne flights
Colorado Springs to Frankfurt flights
Denver to Nuremberg flights
Denver to Bremen flights
Denver to Hannover flights
Denver to Hamburg flights
Denver to Dresden flights
Colorado Springs to Stuttgart flights
Montrose to Munich flights
Grand Junction to Frankfurt flights
Aspen to Munich flights
Colorado Springs to Berlin flights
Denver to Leipzig flights
Denver to Münster flights
Denver to Paderborn flights
Denver to Dortmund flights
Colorado Springs to Nuremberg flights
Colorado Springs to Duesseldorf Intl flights
Colorado Springs to Cologne flights

Top 8 airlines flying from Denver to Bonn

Discover the top 8 airlines that operate flights from Denver 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$453Average$725FlexibilityNo cancel feeOn-time76%
DeltaCheapest$543Average$889FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$554Average$864FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$560Average$679FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$630Average$1,320FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$642Average$819FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$673Average$917FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$874Average$1,279FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.