Flights from Seoul to Udon Thani from $403

Compare All SEL to UTH Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
FD FD · 678	12:05 SEL 09:55 UTH	0 stop(s)	21h 50m	$403 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

UTH

Udon Thani International Airport

City: Udon Thani
Country: TH
Type: Large Airport
Elevation: 579 ft

UTH Airport Guide →

Tips for Seoul to Udon Thani Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book SEL–UTH flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $403, but prices as low as $403 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on SEL–UTH is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Udon Thani

Book accommodation at your destination — top-rated stays near UTH airport

Nap’s home

Udon Thani, 3★

10.0 $25/night

Family Private House No.9 (200/290)

Udon Thani, 2★

10.0 $124/night

SANTARA POOL VILLA UDON

The Tripple P Place เดอะ ทริปเปิล พี เพลส

Udon Thani

10.0 Check Price

Frequently Asked Questions

Everything you need to know about flying SEL to UTH

What is the cheapest flight from Seoul to Udon Thani?

The cheapest flight from Seoul (SEL) to Udon Thani (UTH) currently starts at $403 with FD. Prices are updated regularly and may vary by date and availability.

How many airlines fly from SEL to UTH?

We found 1 airline(s) operating on the SEL–UTH route, including FD.

Are there direct flights from Seoul to Udon Thani?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from Seoul to Udon Thani is approximately $403. Prices range from $403 to $403 depending on airline, time, and class.

How long is the flight from SEL to UTH?

The average flight duration from Seoul to Udon Thani is approximately 21 hours 50 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on SEL–UTH flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.