$1,423 Cheap Flights from Cologne (CGN) to Kailua-Kona (KOA)

View $1,423 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Cologne to Kailua-Kona (CGN-KOA)

Prices were available within the past 7 days and start at $1,423 for one-way flights and $1,255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,255 Roundtrip, found 1 day ago
$1,255
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,255 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,265 Roundtrip, found 1 day ago
$1,265
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,265 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,281 Roundtrip, found 1 day ago
$1,281
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,281 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,282 Roundtrip, found 1 day ago
$1,282
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,282 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,292 Roundtrip, found 1 day ago
$1,292
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,292 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,309 Roundtrip, found 1 day ago
$1,309
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,309 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,323 Roundtrip, found 1 day ago
$1,323
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,323 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,350 Roundtrip, found 1 day ago
$1,350
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,350 found 1 day ago
British Airways
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,396 Roundtrip, found 1 day ago
$1,396
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,396 found 1 day ago
Lufthansa
Wed, Sep 10 - Wed, Sep 24
CGN
Cologne
KOA
Kona Coast
$1,401 Roundtrip, found 1 day ago
$1,401
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Sep 10 from Cologne to Kona Coast, returning Wed, Sep 24, priced at $1,401 found 1 day ago
Flights from Cologne (CGN) to Kailua-Kona (KOA)
Origin airport
Cologne - Bonn
Destination airport
Kona Intl.
Airlines serving
British Airways, Lufthansa
Roundtrip price
$1,254
Distance
7450 mi

Cologne to Kailua-Kona Flights

The cheapest times to fly from Cologne to Kailua-Kona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cologne to Kailua-Kona are during the month of September. You can find some of the cheapest flights from Cologne to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cologne to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Cologne to Kailua-Kona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cologne to Kailua-Kona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cologne to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cologne to Kailua-Kona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cologne to Kailua-Kona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA) cost?
Lock in a cheap one-way flight from $1,423 or cheap return flight from $1,255 from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)?
September is the least expensive month to fly from CGN to KOA. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)?
To find the cheapest airline flying from CGN to KOA, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)?
There are no daily nonstop flights available from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from CGN to KOA?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)?
Select a flight from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA) last-minute?
Holding off until right before your break to book a ticket from CGN to KOA generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a CGN to KOA flight and hotel package?
Compared with arranging flights and hotels separately, booking a CGN to KOA flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Kona Intl. Airport (KOA)?
If you booked your CGN to KOA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.