Title: CA $113 Cheap Flights from Sofia (SOF) to Kos (KGS) - Expedia.ca

  

![Kos featuring a castle and a coastal town](https://images.trvl-media.com/place/1804/71d210e5-8360-4faf-8e0e-489f0841a4ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

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# CA $113 Cheap Flights from Sofia (SOF) to Kos (KGS)

[View CA $113 flight on Mon, Feb 9, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SOF,to:KGS,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:112.60&airProductToken=AQphCi4IwWYSAzk4MRjSKyDgPCjr14QDMLbYhAM4VUAAWAFqBUxJR0hUcgdVTExHVFNDCi8IwWYSAzIyMBjgPCDKkQEojOGEAzDN4YQDOFVAAVgBagVMSUdIVHIHVUxMR1RTQxIKCAEQARgBKgJBMxgBIgQIARABKAIoAygEMAs)

-   [Roundtrip](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

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## Popular airlines from Sofia Airport (SOF) to Kos (KGS-Kos Island Intl.)

-   ![Aegean](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_A3.svg)
    
    Aegean
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sof,to:kgs,departure:17/10/2025TANYT&leg2=from:kgs,to:sof,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"A3"}}])
-   ![Sky Express](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_GQ.svg)
    
    Sky Express
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sof,to:kgs,departure:17/10/2025TANYT&leg2=from:kgs,to:sof,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"GQ"}}])
-   ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg)
    
    Lufthansa
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sof,to:kgs,departure:17/10/2025TANYT&leg2=from:kgs,to:sof,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}])
-   ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg)
    
    Swiss International Air Lines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sof,to:kgs,departure:17/10/2025TANYT&leg2=from:kgs,to:sof,departure:24/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}])

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## Cheap flights from Sofia (SOF) to Kos (KGS)

Prices were available within the past 7 days and start at CA $113 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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One way

Roundtrip

Flight from Sofia to Kos (SOF - KGS) route information

| Origin airport | Sofia |
| --- | --- |
| Destination airport | Kos Island Intl. |
| Distance | 722 km |

## Sofia to Kos Flights

**The easy way to book your flights from Sofia to Kos** 

With Expedia, it’s simple to find and book flights to Kos from Sofia whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 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 Sofia to Kos today, tomorrow, or this week.  

**Save dollars with cheap flights from Sofia, SOF to Kos Island Intl., KGS** 

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

Here are more money-saving tips: 

-   Fly in 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 Sofia** 

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.

## Frequently asked questions

### How much is a flight from Sofia Intl. Airport to Kos Island Intl. Airport (KGS)?

> The lowest price advertised for a round-trip flight between Sofia Intl. Airport and KGS is . But you better get moving. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from SOF to KGS?

> Most flights can be conveniently cancelled online, but whether you incur a fee differs between airlines. If you do need to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter).

### How do I find cheap flights from SOF to Kos Airport that have flexible change policies?

> Use our "No change fees" filter to find flexible ticketing options for your flight from SOF to Kos Island Intl. Airport (KGS). This allows you to snag a fantastic price ahead of time and still have the freedom to make changes without any extra fees. Just keep in mind that fare differences may still apply.

### How many hours is the flight from Sofia Airport (SOF) to KGS?

> The flight time from SOF to Kos Airport is around 2 hours and 27 minutes, so don't get too cozy. Chances are the next time you look out the window you'll be arriving in Kos.

### How far is the flight from Sofia Intl. Airport to KGS?

> With a flight distance of 730 kilometres, it's only a hop from Sofia Intl. Airport to Kos Island Intl. Airport (KGS). It might be a quick one, but it's still worth packing something to keep you busy on board.

### Which airlines fly direct from Sofia Airport (SOF) to Kos Island Intl. Airport (KGS)?

> Flying directly between SOF and Kos Island Intl. Airport (KGS) isn't possible at present. However, you'll still be able to find a flight to Kos with at least one stop.

### Are Sofia Airport (SOF) to Kos Airport flight tickets cheaper when they're purchased at the last minute?

> Flight prices always go up and down, so not always. While last-minute flight deals between Sofia Airport (SOF) and Kos Island Intl. Airport (KGS) are of course possible, it's also a good idea to monitor prices well before you fly. In fact, some airlines publicize their prices up to 12 months before the departure date. Expedia is continuously updating the best bargains around, so check back often and be ready to grab your seat when the price is low.

## Explore a world of travel with Expedia

-   Flights

### Flights

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\*Available to Expedia members.