CA $186 Cheap Flights from Barcelona (BCN) to Kos (KGS)

View CA $186 flight on Mon, Jun 22, 2026Opens in a new window

Popular airlines from Barcelona El Prat Airport (BCN) to Kos (KGS-Kos Island Intl.)

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Cheap flights from Barcelona (BCN) to Kos (KGS)

Prices were available within the past 7 days and start at CA $186 for one-way flights and CA $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $407 Roundtrip, found 4 days ago
CA $407
Roundtrip
found 4 days ago
Select Aegean flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $407 found 4 days ago
Aegean
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $441 Roundtrip, found 4 days ago
CA $441
Roundtrip
found 4 days ago
Select Aegean flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $441 found 4 days ago
Swiss International Air Lines
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $471 Roundtrip, found 4 days ago
CA $471
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $471 found 4 days ago
Aegean
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $510 Roundtrip, found 4 days ago
CA $510
Roundtrip
found 4 days ago
Select Aegean flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $510 found 4 days ago
Swiss International Air Lines
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $522 Roundtrip, found 4 days ago
CA $522
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $522 found 4 days ago
Aegean
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $544 Roundtrip, found 4 days ago
CA $544
Roundtrip
found 4 days ago
Select Aegean flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $544 found 4 days ago
Austrian Airlines
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $579 Roundtrip, found 4 days ago
CA $579
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $579 found 4 days ago
Austrian Airlines
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $592 Roundtrip, found 4 days ago
CA $592
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $592 found 4 days ago
Austrian Airlines
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $616 Roundtrip, found 4 days ago
CA $616
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $616 found 4 days ago
British Airways
Mon, Jun 22 - Mon, Jun 29
BCN
Barcelona
KGS
Kos
CA $1,130 Roundtrip, found 4 days ago
CA $1,130
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Jun 22 from Barcelona to Kos, returning Mon, Jun 29, priced at CA $1,130 found 4 days ago

Frequently asked questions

How much is a flight from BCN to Kos Airport?
If you're planning on travelling between BCN and Kos Airport, round-trip journeys start from CA $407. This price is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Josep Tarradellas Barcelona–El Prat Airport to KGS?
This differs between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from BCN to KGS that have flexible change policies?
Plenty of airlines will allow you to reschedule your flight without charging a fee. All you pay is the difference in the ticket price. When searching for Barcelona Airport to Kos Airport flights, you'll find a "No change fees" box for you to select.
How many hours is the flight from Barcelona Intl. Airport (BCN) to KGS?
It takes approximately 4 hours and 2 minutes to jet from BCN to Kos Airport. But with a solid playlist and an interesting book, the time will pass by quicker.
How far is the flight from Josep Tarradellas Barcelona–El Prat Airport to KGS?
It's around 2,200 kilometres between Josep Tarradellas Barcelona–El Prat Airport and Kos Airport, so expect to be strapped into your seat for a while. Keep yourself entertained by packing things like crossword puzzles or a good old-fashioned book.
Which airlines fly direct from BCN to KGS?
There are no direct flights, so you'll have to make at least one stop between Josep Tarradellas Barcelona–El Prat Airport and KGS. Take advantage of the layover time to stretch your legs and enjoy some personal space.
Are Barcelona Airport to KGS flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute deals between BCN and KGS are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some airlines release their prices up to a year ahead of the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to secure your seat when fare prices drop.

Frequently asked questions

How do I find cheap flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
There are approximately 23 connecting flights per day from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.). Some common connection points include Frankfurt Intl. (FRA), Eleftherios Venizelos (ATH), and Franz Josef Strauss Intl. (MUC).
What is the earliest flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) typically departs at approximately 1:55 AM local time, operated by A3. This is a seasonal service active in June and August. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
You'll typically find the most flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) on a Sunday, with around 18 flights available. This gives you a good selection of options for your journey. Major airlines on this route include British Airways, Air France, and SWISS.
What are the most popular departure times for flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) are between 12pm and 3pm. About 28% of passengers prefer this time window. Many major carriers, including Aegean Airlines, British Airways and Swiss International Air Lines, offer flights during this window. This timing works well because it allows for a relaxed morning before your flight, and you'll arrive in Kos in the afternoon with time to settle in.
How long does it take to fly from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
Flying from BCN to KGS with a connection usually takes about 14 hours 30 minutes, traveling roughly 1,373 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
Select the "Business class" and "First class" filters when looking for BCN to KGS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kos from Barcelona Intl. (BCN)?
From Barcelona Intl. (BCN), you can fly directly into Kos Island Intl. (KGS) to reach Kos. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Heathrow (LHR), Roissy-Charles de Gaulle (CDG) before reaching Kos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
If you booked your Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Barcelona Intl.
Destination airport
Kos Island Intl.
Roundtrip price
CA $407
Distance
2195 km

Book with confidence

Barcelona to Kos Flights

The easy way to book your flights from Barcelona to Kos 

With Expedia, it’s simple to find and book flights to Kos from Barcelona whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kos Island Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Barcelona to Kos today, tomorrow, or this week.  

 

Save dollars with cheap flights from Barcelona Intl., BCN to Kos Island Intl., KGS 

Sort your search results by price to find great deals on your flight from Barcelona to Kos—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kos from Barcelona currently is just CA $407 rising to CA $1,130.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kos  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kos from Barcelona 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kos with Expedia today.

Barcelona to Kos Flights

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