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Book flight tickets from Kos to Sofia starting at AU$105

Whether you’re going for a one-way or round-trip to Sofia, we’ve got you covered! Check out these different flight options from Kos below.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Kos to Sofia

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Sofia from Kos have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Kos to Sofia

Which airline provides the cheapest flights from Kos to Sofia? Discover the option that best suits your travel needs before embarking on your journey.

Aegean Airlines
From AU$105
SKY express
From AU$143
easyJet
From AU$229
Jet2.com
From AU$378
British Airways
From AU$418
Lufthansa
From AU$722
Swiss
From AU$856
Eurowings
From AU$1,115
ANA airlines

Find more flights and airlines

Alternative Routes from Kos to Sofia

There are various non-direct routes from Kos to Sofia which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Aegean Airlines
    KGS
    12:35
    7h 0m
    1 transfer
    SOF
    19:35
    Kos Airport - Sofia Airport
    Wed, Nov 13Aegean Airlines
    AU$105
  • Aegean Airlines
    KGS
    12:35
    7h 0m
    1 transfer
    SOF
    19:35
    Kos Airport - Sofia Airport
    Wed, Nov 13Aegean Airlines
    AU$105
    Find More Flights

FAQ

  • When are flight tickets from Kos (KGS) to Sofia (SOF) the cheapest?

    Airlines adjust prices for flights from Kos to Sofia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Kos (KGS) to Sofia (SOF) cost?

    According to Trip.com's data, the lowest price is around AU$412.
  • What is the transportation method from the main airport to downtown in Sofia?

    • The distance from Sofia Airport to downtown is about 7 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Kos to Sofia

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Kos to Sofia

Cheapest nonstop flight price

AU$104

Off-season for travel

November

Peak season for travel

July

Flight distance

727.8 km

Popular airline

Aegean Airlines