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CA $168 Cheap Flights from Barcelona (BCN) to Kos (KGS)

View CA $168 flight on Sat, Aug 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 $168 for one-way flights and CA $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, Sep 8 - Tue, Sep 15
BCN
Barcelona
KGS
Kos
CA $312 Roundtrip, found 1 day ago
CA $312
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Sep 8 from Barcelona to Kos, returning Tue, Sep 15, priced at CA $312 found 1 day ago
Austrian Airlines
Tue, Sep 8 - Mon, Sep 14
BCN
Barcelona
KGS
Kos
CA $337 Roundtrip, found 1 day ago
CA $337
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Tue, Sep 8 from Barcelona to Kos, returning Mon, Sep 14, priced at CA $337 found 1 day ago
Swiss International Air Lines
Sat, Sep 12 - Sat, Sep 19
BCN
Barcelona
KGS
Kos
CA $361 Roundtrip, found 4 days ago
CA $361
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Sat, Sep 12 from Barcelona to Kos, returning Sat, Sep 19, priced at CA $361 found 4 days ago
Swiss International Air Lines
Sat, Aug 22 - Sat, Aug 29
BCN
Barcelona
KGS
Kos
CA $364 Roundtrip, found 5 days ago
CA $364
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Sat, Aug 22 from Barcelona to Kos, returning Sat, Aug 29, priced at CA $364 found 5 days ago
Austrian Airlines
Tue, Sep 8 - Mon, Sep 14
BCN
Barcelona
KGS
Kos
CA $365 Roundtrip, found 1 day ago
CA $365
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Tue, Sep 8 from Barcelona to Kos, returning Mon, Sep 14, priced at CA $365 found 1 day ago
Austrian Airlines
Tue, Sep 8 - Mon, Sep 14
BCN
Barcelona
KGS
Kos
CA $379 Roundtrip, found 1 day ago
CA $379
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Tue, Sep 8 from Barcelona to Kos, returning Mon, Sep 14, priced at CA $379 found 1 day ago
Swiss International Air Lines
Sat, Aug 22 - Sat, Aug 29
BCN
Barcelona
KGS
Kos
CA $388 Roundtrip, found 5 days ago
CA $388
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Sat, Aug 22 from Barcelona to Kos, returning Sat, Aug 29, priced at CA $388 found 5 days ago
Brussels Airlines
Sat, Sep 12 - Sat, Sep 19
BCN
Barcelona
KGS
Kos
CA $397 Roundtrip, found 4 days ago
CA $397
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Sat, Sep 12 from Barcelona to Kos, returning Sat, Sep 19, priced at CA $397 found 4 days ago
Lufthansa
Sat, Sep 12 - Sat, Sep 19
BCN
Barcelona
KGS
Kos
CA $403 Roundtrip, found 4 days ago
CA $403
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sat, Sep 12 from Barcelona to Kos, returning Sat, Sep 19, priced at CA $403 found 4 days ago
Aegean
Sat, Aug 22 - Sat, Aug 29
BCN
Barcelona
KGS
Kos
CA $426 Roundtrip, found 5 days ago
CA $426
Roundtrip
found 5 days ago
Select Aegean flight, departing Sat, Aug 22 from Barcelona to Kos, returning Sat, Aug 29, priced at CA $426 found 5 days ago

Frequently asked questions

How much does a flight from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.) cost?
You can find cheap one-way flights from CA $168 and cheap return flights from CA $312 BCN to KGS with Expedia. Return flights often range between CA$566 and CA$1,282. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BCN to KGS ticket fares go up or down.
What is the cheapest month to fly from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from BCN to KGS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Barcelona (BCN) to Kos (KGS)?
Enter BCN to KGS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
Smartwings is one of the cheapest airlines offering connecting return flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.), with tickets starting from around CA$598 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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 28 connecting flights per day from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.). Some common connection points include Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), and Eleftherios Venizelos (ATH).
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 around 1:55 AM local time, operated by Aegean. This is a seasonal service, active in June and August. An early departure like this can help you make the most of 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 travel plans. Major airlines on this route include Swiss International Air Lines, British Airways, and Air France.
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 in the morning, from 9am to 12pm. Many major carriers, including Austrian Airlines, Lufthansa and Med View Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to your journey and an afternoon arrival at your destination.
How long does it take to fly from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
There are no nonstop flights from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.). For flights with one stop, you can expect the journey to take around 14 hours 30 minutes. If your journey involves two or more stops, the travel time typically extends to about 24 hours. The distance between these two airports is approximately 2,210 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind conditions.
Can you fly business or first class from Barcelona (BCN-Barcelona Intl.) to Kos (KGS-Kos Island Intl.)?
You can fly business class between BCN and KGS. Airlines that offer business class service on this route include:
  • Brussels Airlines
  • Swiss International Air Lines
  • Austrian Airlines
How do I earn miles on a Barcelona (BCN) to Kos (KGS) flight with Expedia?
It's easy to earn miles on a Barcelona (BCN) to Kos (KGS) 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 (KGS) from Barcelona (BCN)?
If you're planning to travel to Kos from Barcelona Intl. (BCN), you can fly directly into Kos Island Intl. (KGS). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), or Heathrow (LHR) 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) to Kos (KGS) at the last minute?
Typically, booking a last minute flight from Barcelona (BCN) to Kos (KGS) 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) to Kos (KGS) flight and hotel package?
Securing a Barcelona (BCN) to Kos (KGS) 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.
Airlines serving
Aegean, Austrian Airlines, Condor, Eurowings, Lufthansa, Smartwings, Swiss International Air Lines
Roundtrip price
CA $312
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 $312 rising to CA $426.  

Here are more money-saving tips: 

  • Fly in September 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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