$36 Cheap Flights from Cologne (CGN) to Olbia (OLB)

View $36 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB)

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Cheap Flights from Cologne to Olbia (CGN-OLB)

Prices were available within the past 7 days and start at $36 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Eurowings
Wed, Oct 8 - Wed, Oct 15
CGN
Cologne
OLB
Olbia
$143 Roundtrip, found 3 days ago
$143
Roundtrip
found 3 days ago
Select Eurowings flight, departing Wed, Oct 8 from Cologne to Olbia, returning Wed, Oct 15, priced at $143 found 3 days ago
Eurowings
Tue, Oct 7 - Tue, Oct 14
CGN
Cologne
OLB
Olbia
$184 Roundtrip, found 3 days ago
$184
Roundtrip
found 3 days ago
Select Eurowings flight, departing Tue, Oct 7 from Cologne to Olbia, returning Tue, Oct 14, priced at $184 found 3 days ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
CGN
Cologne
OLB
Olbia
$196 Roundtrip, found 3 days ago
$196
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 1 from Cologne to Olbia, returning Sun, Oct 12, priced at $196 found 3 days ago
Lufthansa
Sat, May 2 - Sat, May 9
CGN
Cologne
OLB
Olbia
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sat, May 2 from Cologne to Olbia, returning Sat, May 9, priced at $224 found 3 days ago
Lufthansa
Wed, Oct 1 - Sun, Oct 12
CGN
Cologne
OLB
Olbia
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 1 from Cologne to Olbia, returning Sun, Oct 12, priced at $231 found 3 days ago
Eurowings
Tue, Jun 2 - Wed, Jun 10
CGN
Cologne
OLB
Olbia
$236 Roundtrip, found 6 days ago
$236
Roundtrip
found 6 days ago
Select Eurowings flight, departing Tue, Jun 2 from Cologne to Olbia, returning Wed, Jun 10, priced at $236 found 6 days ago
Lufthansa
Sat, May 2 - Sat, May 9
CGN
Cologne
OLB
Olbia
$242 Roundtrip, found 3 days ago
$242
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sat, May 2 from Cologne to Olbia, returning Sat, May 9, priced at $242 found 3 days ago
Eurowings
Mon, Oct 6 - Thu, Oct 9
CGN
Cologne
OLB
Olbia
$248 Roundtrip, found 7 hours ago
$248
Roundtrip
found 7 hours ago
Select Eurowings flight, departing Mon, Oct 6 from Cologne to Olbia, returning Thu, Oct 9, priced at $248 found 7 hours ago
Swiss International Air Lines
Mon, Jun 22 - Mon, Jun 29
CGN
Cologne
OLB
Olbia
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, Jun 22 from Cologne to Olbia, returning Mon, Jun 29, priced at $332 found 2 days ago
British Airways
Sat, May 2 - Sat, May 9
CGN
Cologne
OLB
Olbia
$644 Roundtrip, found 3 days ago
$644
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, May 2 from Cologne to Olbia, returning Sat, May 9, priced at $644 found 3 days ago

Alternative airports near Olbia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Costa Smeralda OLB. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $284
OLB
Costa Smeralda
CheapestClosest
Average driving time to city center5 min
Flights from $284
Flights from Cologne (CGN) to Olbia (OLB)
Origin airport
Cologne - Bonn
Destination airport
Costa Smeralda
Airlines serving
British Airways, Eurowings, Lufthansa, Swiss International Air Lines
Roundtrip price
$142
Distance
699 mi
Average flight time
2 hours 5 mins

Cologne to Olbia Flights

The cheapest times to fly from Cologne to Olbia

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 Olbia are during the month of October. You can find some of the cheapest flights from Cologne to Olbia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cologne to Olbia

Sunday is one of the best days to book for cheap flights from Cologne to Olbia: 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 Olbia

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 Olbia in 2025. You can also book with separate airlines for your outbound and return journeys, from $36 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 Olbia 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 Olbia 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 Costa Smeralda Airport (OLB) cost?
Lock in a cheap one-way flight from $36 or cheap return flight from $143 from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB)?
The cheapest month to fly from CGN to OLB is October, when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB)?
To find the cheapest airline that'll fly you from CGN to OLB, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. 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 Costa Smeralda Airport (OLB)?
You'll have to book a flight with a layover if you're traveling from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CGN to OLB?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, such as the season and airline.*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 Costa Smeralda Airport (OLB)?
To avoid possible delays on the Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**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 Costa Smeralda Airport (OLB) last-minute?
Last-minute fares from CGN to OLB are usually more expensive. To secure the lowest prices, start looking for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a CGN to OLB flight and hotel package?
Securing a CGN to OLB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Costa Smeralda Airport (OLB)?
In most instances, you can cancel or reschedule your CGN to OLB flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.