Cheap flights from Kos To Sofia from £90

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals To Sofia

1 stop
Sun, Nov 8
Kos KGSSofia SOF
£90
Search
1 stop
Fri, Nov 6
Kos KGSSofia SOF
£90
Search
1 stop
Tue, Nov 3
Kos KGSSofia SOF
£90
Search
1 stop
Thu, Nov 5
Kos KGSSofia SOF
£90
Search
1 stop
Sun, Nov 8
Kos KGSSofia SOF
£124
Search
1 stop
Thu, Nov 5
Kos KGSSofia SOF
£158
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

1 stop
Fri, Nov 6 – Mon, Nov 9
Kos KGSSofia SOF
£212
Search
1 stop
Thu, Nov 5 – Mon, Nov 9
Kos KGSSofia SOF
£212
Search
1 stop
Sun, Nov 8 – Wed, Nov 11
Kos KGSSofia SOF
£212
Search
1 stop
Fri, Nov 6 – Wed, Nov 11
Kos KGSSofia SOF
£212
Search
1 stop
Sun, Nov 8 – Wed, Nov 11
Kos KGSSofia SOF
£247
Search
1 stop
Thu, Nov 5 – Mon, Nov 9
Kos KGSSofia SOF
£281
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights To Sofia cost?

Cheapest one-way trip

£90

Cheapest round-trip

£212

Average round-trip

£248

Most popular airline

Aegean

Getting from Sofia airport to the city center

Fastest options: Metro and taxi. Best value: Bus line 84.

Sofia is served by Sofia Airport (SOF), located approximately 10 km east of the city center. The airport offers several convenient airport transfers to city center destinations, including metro, bus, taxi, and ride-hailing services. The Sofia Metro provides a direct connection to the central railway station and key downtown areas, while buses offer a budget-friendly alternative. Taxis and ride-hailing apps are available around the clock for door-to-door convenience. Journey times and costs vary depending on traffic conditions and your final destination within the city.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

18-25 min

BGN 1.60; single ticket (approx. $0.90 USD)

every 5–10 min (traffic dependent)

fast and affordable

30-45 min

BGN 1.60; single ticket (approx. $0.90 USD)

every 10–15 min (traffic dependent)

budget travelers

25-40 min

BGN 1.60; single ticket (approx. $0.90 USD)

every 15–20 min (traffic dependent)

connecting to trains

15-35 min

BGN 15 – BGN 25; metered; approx. $8–14 USD

on-demand 24/7 (traffic dependent)

door-to-door convenience

15-35 min

BGN 12 – BGN 22; varies with demand; approx. $7–12 USD

on-demand 24/7 (traffic dependent)

app-based booking

15-35 min

BGN 40 – BGN 70; pre-booked; approx. $22–38 USD

pre-booked (traffic dependent)

groups and comfort

15-35 min

BGN 50 – BGN 100; per day; approx. $27–55 USD

on-demand (traffic dependent)

flexibility and onward travel

Notes:

  • Prices in BGN; table created in 2025 and subject to change.
  • Metro tickets can be purchased at station vending machines or with contactless payment.
  • Use only official taxi companies with meters displayed; avoid unmarked vehicles.
  • Bus tickets must be validated on board; purchase from kiosks or the driver.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying To Sofia

Depart from
Kos Island International
Arrive to
Sofia
Average flights per week
346
Flight distance
Worth visiting
Rila Monastery

Check-in for a flight from Kos to Sofia

NameCarrier codeIATA CodePassport needed during booking
AegeanAEEA3No
RyanairRYRFRNo
SKY expressSEHGQNo
Wizz AirWZZW6No
easyJetEZYU2Yes

Online check-in is not available for these airlines.

Weather in Sofia

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-4°C
February6°C-2°C
March10°C1°C
April15°C4°C
May19°C8°C
June24°C12°C
July28°C14°C
August28°C15°C
September23°C11°C
October16°C6°C
November11°C2°C
December5°C-1°C
Hottest Month
28°C
August
Coldest month
-4°C
January
Sunny days
256
days per year
Snow days
19
days per year

14 day forecast

Saturday
24 Oct
17°C4°C
31 Oct
27%
10°C5°C
Sunday
25 Oct
14%
17°C7°C
1 Nov
20%
11°C4°C
Monday
26 Oct
22%
16°C6°C
2 Nov
11°C3°C
Tuesday
27 Oct
15°C2°C
3 Nov
13°C1°C
Wednesday
28 Oct
17%
15°C2°C
4 Nov
14°C3°C
Thursday
29 Oct
15%
11°C4°C
5 Nov
17%
16°C5°C
Friday
30 Oct
15%
12°C6°C
6 Nov
19°C7°C
The most popular airlines for this route are Aegean, Ryanair, SKY express, Wizz Air, and easyJet. Kos and Sofia have 346 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Kos?

Travelers frequently search for route combinations, such as Kos and London, Athens, Nottingham, Bristol, Manchester, Thessaloniki, Tirana, Helsinki, Hamburg, Amsterdam, Warsaw, Düsseldorf, Rome, Tallinn, Zagreb, Bucharest, Heraklion, Budapest, Porto, Tampa.

What are the most popular routes to and from Sofia?

Travelers frequently search for route combinations, such as Sofia and London, Manchester, Tel Aviv, Varna, Eindhoven, Edinburgh, Athens, Brussels, Prague, Istanbul, Amsterdam, Barcelona, Paris, Lisbon, Belfast, Madrid, Milan, Frankfurt, Copenhagen, Dortmund.

What airports are near Kos?

The main airport in Kos is Kos Island International. It is also served by Kos Island International, Kalymnos Island National.

What airports are near Sofia?

The main airport in Sofia is Sofia. It is also served by Sofia, Skopje Alexander the Great, Niš Constantine the Great, Plovdiv.

Which airlines fly between Kos and Sofia?

Currently, you can fly between Kos and Sofia with Aegean, Ryanair, SKY express, Wizz Air, easyJet.

When’s the best time to travel between Kos and Sofia?

If you don’t have specific dates for your trip between Kos and Sofia, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

What flights operate between Kos and Sofia?

Traveling between Kos and Sofia, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

How many airports are there near Kos?

There are a number of airports in and around Kos. The main one is Kos Island International and other nearby airports include Kos Island International, Kalymnos Island National

How many airports are there near Sofia?

There are a number of airports in and around Sofia. The main one is Sofia and other nearby airports include Sofia, Skopje Alexander the Great, Niš Constantine the Great, Plovdiv.

What time do nonstop (direct) flights between Kos and Sofia depart?

What time do nonstop (direct) flights between Kos and Sofia arrive?

What time do flights between Kos and Sofia depart?

What time do flights between Kos and Sofia arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

Search flightsSearch direct flights

Explore alternative trips

Flights from Kos

Flights to Sofia

Popular routes

The nearest countries with flights to Sofia

Here is a list of countries people are flying from

Other destination countries from Kos

Here is a list of countries people are flying to

Airports near Kos

Airports near Sofia

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Search flights
Find the best connection from Kos to Sofia

Search, compare, and book flights to get there.

Search flights