Cheap Flights from Seoul to Sofia from KRW 540,300

Frequently Asked Questions

• What are the cheapest flights from Seoul to Sofia (SEL-SOF)?

  Based on Trip.com data, T'Way Air offers one-way fares as low as KRW 540,300 on Cheapest nonstop routes (e.g. ICN to SOF on Wed, Nov 4), while Lufthansa offers Cheapest nonstop round-trips from KRW 828,400 departing on Fri, Dec 4 and returning on Sun, Dec 6.

• Which airlines offer direct flights from Seoul to Sofia?

  At the moment, you can catch a nonstop flight from Seoul to Sofia with the following airlines, including: Air China Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Seoul to Sofia?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Sofia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Seoul to Sofia?

  To find best deals on flights from Seoul to Sofia, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Nov 4, with one-way flights priced at just KRW 540,300.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is T'Way Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Sofia travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to Sofia (SOF) the cheapest?

  The cheapest months to fly from Seoul to Sofia is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Sofia on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Seoul to Sofia on October 28, 2026 with Turkish Airlines, with prices starting at KRW 1,059,800.

• Which airports fly into Sofia from Seoul?

  You can land at any one of the following hubs in Sofia: Sofia Airport (SOF). Flying from Incheon International Airport to Sofia Airport (ICN-SOF) is by far the most common option on this route.

• Is there any time difference between Seoul and Sofia?

  The time difference between Sofia and Seoul is 7h.

• How do I change or cancel my ticket from Seoul to Sofia?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Seoul to Sofia?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to Sofia is KRW 1,077,700. Fares vary by travel date, airline and availability.

• How do I book flights from Seoul to Sofia on Trip.com?

  Enter Seoul and Sofia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Seoul to Sofia route?

  Trinity Airwaysare the most popular budget airlines flying from Seoul to Sofia. Check baggage, seat and payment fees before comparing the final price.