$277 Flights from Incheon International (ICN) to Sofia (SOF)

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Flight deals from Incheon International Airport to Sofia Airport

Looking for a cheap last-minute deal or the best round-trip flight from Incheon International Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $605. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Incheon International to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Sofia flights are currently cheapest in May.

Incheon International to Sofia: Alternative routes

Compare routes from Incheon International to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Seoul to Sofia: Flight information

The things to know before you go.
Cheapest flight found$277
Cheapest month to flyMay

Finding cheap flights from Incheon International to Sofia: Frequently asked questions

The best price we found for a round-trip flight from Incheon International to Sofia is $546. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Incheon International to Sofia. But we found flights with one or more stops from $546.
There are no flights flying from Incheon International to Sofia, as of March 2026.
The cheapest month to fly from Incheon International to Sofia is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Sofia Airport on Wednesday, April 1, 2026.
No airlines currently offer direct flights between Incheon International Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air France offers the cheapest flight tickets to Sofia.

Flying from Incheon International Airport (ICN) to Sofia Airport (SOF): what you need to know

  • The timezone in Sofia is UTC+2, which is seven hours behind Seoul.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your ICN to SOF flight.

  • During popular months such as July, you'll want to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during a high season in general.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Incheon International Airport to Sofia Airport. These are the most popular stopovers between ICN and SOF:

    • Istanbul Ataturk Airport

    • Hamad International Airport

    • Eleftherios Venizelos International Airport

How to find the cheapest flights from Incheon International Airport (ICN) to Sofia Airport (SOF)

  • $277 is currently the best price for a one-way Incheon International Airport to Sofia Airport flight. A return flight starts at $546. These fares can change based on availability and demand.

  • To pick up cheap tickets from ICN to SOF, book as early as you can. Airlines typically offer their most competitively priced fares when flights are first released.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the cheapest price across each month when searching for a flight from Incheon International Airport to Sofia Airport.

  • You won't have to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from ICN to SOF.

  • Find the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Incheon International Airport to Sofia Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Incheon International Airport (ICN)

  • When it comes to Incheon International Airport's on-time performance, data shows 54.5% of flights stick to their scheduled arrival time.

  • The journey from central Seoul to Incheon International Airport is around 30 miles. Look up travel apps like Google Maps for the quickest way to get there, whether you want to drive or use public transport.

  • Planning to take public transport? Expect a trip time of around 1 hour 45 minutes.

  • Get your break off to a hassle-free start by staying near ICN. Whether you're boarding an early flight from Incheon International Airport to Sofia Airport or just don't want to be rushed, these stays are ideal:

Arriving at Sofia Airport (SOF)

  • If you're arriving on a late Incheon International Airport to Sofia Airport flight, nothing beats the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these accommodation options near SOF:

  • Get your adventure underway by picking up a Sofia Airport rental car. Grab your wheels from MEX, Surprice or NU Car Rentals and explore beyond Sofia's usual tourist stops.

  • To get the lowest price, book your ride from Sofia Airport about one week in advance.

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport is approximately 7 miles from the center of Sofia. The drive time takes around 15 minutes.

  • When traveling on public transport, expect a journey time of roughly 35 minutes.

When to fly to Sofia Airport (SOF)

  • August is the busiest month for flights from Incheon International Airport to Sofia Airport. To avoid the crowds, visit Sofia in April.

  • When booking your flight from Incheon International Airport to Sofia Airport, think about the kind of weather you enjoy. August is the warmest month in Sofia, with temperatures ranging from 57ºF to 86ºF.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from ICN to SOF in January. Temperatures average between 12ºF and 45ºF then.

Explore more of Bulgaria

  • Sofia is always a good idea, but there are so many other corners of Bulgaria waiting to be explored. About 80 miles south-east of Sofia, a visit to Plovdiv will keep you on the go. Start with attractions like Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.

  • If there's time to check out another major stop in Bulgaria, consider Varna, roughly 240 miles east of Sofia. Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза) are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.