Cheap flight deals from Seoul to Udon Thani

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

Round-trip
One way

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

When is the cheapest time to fly from Seoul to Udon Thani?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13
13 20
20 27
Aug

27 3

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Seoul (SEL) to Udon Thani (UTH) the cheapest?

Airlines adjust prices for flights from Seoul to Udon Thani 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 Seoul (SEL) to Udon Thani (UTH) cost?

According to Trip.com's data, the lowest price is around Rp 6,239,368.

How to find a cheap flight from Seoul to Udon Thani

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 Seoul to Udon Thani. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Seoul to Udon Thani ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Seoul to Udon Thani for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1485237 for a one-way ticket on Sat, May 24.

Compare cheap Seoul to Udon Thani flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Seoul to Udon Thani. The most affordable airline currently operating on this route is T'Way Air.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Seoul to Udon Thani route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Seoul to Udon Thani flight deals and promo codes.

Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.

Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Seoul to Udon Thani to access exclusive deals just for you.

Flight Info | Seoul to Udon Thani

Cheapest one-way flight price	Rp 1,485,236
Off-season for travel	March
Peak season for travel	June
Flight distance	3,249.91 km
Popular airline	Jeju Air