Trip.com
>
Cheap Flights
>
Bulgaria
>
Sofia
Hotels in Sofia
>
Flights from Ulsan to Sofia

Flight deals from Ulsan to Sofia

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Deals on upcoming return flights from Ulsan to Sofia

Deals on upcoming one-way flights from Ulsan to Sofia

Find More Flights
Find More Flights

Flight Information from Ulsan to Sofia

The distance between Ulsan and Sofia is about 8,525.79km. The most popular month to Sofia is April. The off-season for travel is January.

Cheapest return ticket price TWD 53,974
Off-season travel month January
Peak season for travel April
Flight distance 8,525.79km

Find the best time to fly from Ulsan to Sofia

The best time to book the cheapest flights from Ulsan to Sofia is between Jul 27 and Aug 3. One-way ticket prices start at TWD 53,973 according to our flight calendar.

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Ulsan (USN) to Sofia (SOF) the cheapest?

    Airlines adjust prices for flights from Ulsan to Sofia based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Ulsan (USN) to Sofia (SOF) cost?

    According to Trip.com's data, the lowest price is around TWD 52,371.

  • How many airports in Sofia (SOF)?

    There are 1 airport(s) in Sofia (SOF): Sofia International Airport.

How to find a cheap flight from Ulsan to Sofia

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ulsan to Sofia. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from Ulsan to Sofia.
Tap "Date" on the flight search bar to browse the calendar for Ulsan to Sofia airfare over the next 6 months in 2025.
2
Compare cheap flight deals from Ulsan to Sofia across hundreds of airlines.
Use our comprehensive search to compare fares from over 500 airlines and find the most affordable flight tickets from Ulsan to Sofia.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Ulsan to Sofia, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Ulsan to Sofia.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Ulsan to Sofia and snag some exclusive deals just for you.

More Travel Options

  • Top Routes from Ulsan
  • Top Routes to Sofia
  • Popular Airlines