Explore the cheapest flights from Seoul to Sofia in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at €250, and round-trip tickets start at €529.

Displayed flight fares from Seoul to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Seoul to Sofia

The distance between Seoul and Sofia is approximately 8,222.06 km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price€250
Cheapest round-trip ticket price€529
Off-season for travelNovember
Peak season for travelJuly
Flight distance8,222.06 km
Flight statistics for the Seoul–Sofia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

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

    Based on Trip.com data, Virgin Atlantic offers one-way fares as low as €250 on Cheapest nonstop routes (e.g. ICN to SOF on Fri, Apr 3), while LOT Polish Airlines offers Cheapest nonstop round-trips from €529 departing on Mon, Mar 16 and returning on Sat, Mar 21.
  • 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.
  • 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 Fri, Apr 3, with one-way flights priced at just €250.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Virgin Atlantic.
    · 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.
  • The cheapest months to fly from Seoul to Sofia is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seoul to Sofia on March 16, 2026 with LOT Polish Airlines, with prices starting at €520.
  • The time difference between Sofia and Seoul is 7h.
  • 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.

Trip.com Airline Insights on Flights from Seoul to Sofia

Which airline offers the cheapest direct flights from Seoul to Sofia?

The average fare for all direct flights from Seoul to Sofia. (Based on Trip.com’s data from the past 12 months)

Based on Trip.com’s data from the past 12 months, LOT Polish Airlines offers the cheapest direct flights from Seoul to Sofia, with prices starting from €547.

€404
€547
€691
€834
€977
LOT Polish Airlines
€547
LOT Polish Airlines
Qatar Airways
€568
Qatar Airways
Lufthansa
€753
Lufthansa
Turkish Airlines
€879
Turkish Airlines
Asiana Airlines
€935
Asiana Airlines
KLM
€977
KLM