Are direct flights from Udon Thani to Seoul always the best option?

Direct flights offer convenience and save travel time, but they are not always the most budget-friendly choice. Flights with one or more layovers can often be cheaper. Consider your priorities for cost versus travel duration when making your decision.

Can flexible travel dates help on Udon Thani to Seoul flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares. Adjusting your departure or return by a few days may unlock more affordable options.

What extra costs should I check before booking Udon Thani to Seoul flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Udon Thani

To Seoul

Cheap Flights from Udon Thani to Seoul

Browse current best options from Udon Thani. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Udon Thani

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Udon Thani to Seoul

Explore current cheapest deals departing from Udon Thani to Seoul

Round trip

Sort by: Cheapest

September 24 - September 28

Cheapest

Best

UTH - Seoul

$359

$295

Round trip

July 25 - August 21

UTH - Seoul

$290

$306

Round trip

July 26 - August 21

UTH - Seoul

$288

$307

Round trip

July 26 - August 22

UTH - Seoul

$288

$307

Round trip

July 25 - August 22

UTH - Seoul

$290

$307

Round trip

August 27 - August 31

UTH - Seoul

$379

$348

Round trip

September 24 - September 29

UTH - Seoul

$356

$355

Round trip

July 23 - August 18

Earliest

UTH - Seoul

$293

$360

Round trip

July 23 - August 20

Earliest

UTH - Seoul

$293

$361

Round trip

July 23 - August 19

Earliest

UTH - Seoul

$293

$361

Round trip

Unlock all 500+ flight deals to Seoul and get alerts when great deals appear

Udon Thani to Seoul: Overview

Insights for flights from Udon Thani to Seoul

Right now, fares for flights from Udon Thani to Seoul are significantly below the typical level. Over a 90-day window, prices typically range from $392–$469, with a median of $440. This indicates a favorable time for travelers seeking cheap flights from Udon Thani to Seoul, as current prices are much lower than the historical median.

When considering the cheapest time to fly from Udon Thani to Seoul, August stands out with a median fare of $345. Following closely, September offers a median fare of $364, and June presents a median of $376. These months typically offer the most budget-friendly options for this route.

A typical journey from Udon Thani to Seoul takes approximately 21h 50m, including connections. This is due to the fact that most itineraries on this route connect at least once, with the median number of stopovers for connecting flights being 2. There are currently no direct flights from Udon Thani to Seoul, so all travel will involve at least one stop.

The distance between Udon Thani and Seoul is 3213 kilometers, classifying this as a medium-haul route. This distance typically necessitates connecting flights, contributing to the overall journey time. New deals for this route show up several times a week, so travelers can regularly check for updated pricing.

How much is a round trip from Udon Thani to Seoul

Regular price: $300 - $702

Prices are currently below the regular range.

The regular price range for flights from Udon Thani to Seoul is typically between $300 and $702. The current lowest deal is $295 with MyTravel Airways, for travel from Sep 24-Sep 28.

now $295

Low $300

High $702

The cheapest time to fly from Udon Thani to Seoul

The cheapest month to fly from Udon Thani to Seoul is August, with a median price of $345. The most expensive month is April, with a median price of $453. Prices are generally lower from May to September.

August

Cheapest

Flights from $345

April

Most Expensive

Flights from $453

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Udon Thani to Seoul

MyTravel Airways

Air Premia

Thai Airways International

Thai AirAsia

Last-minute flights going from Udon Thani to Seoul

Fri, Jul 17

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

MyTravel Airways

$378

$483

One-way

Tue, Jul 21

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

MyTravel Airways

$321

$466

One-way

Wed, Jul 22

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

MyTravel Airways

$322

$463

One-way

Thu, Jul 23

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

MyTravel Airways

$290

$328

One-way

Thu, Jul 23

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

MyTravel Airways

$290

$328

One-way

Thu, Jul 23

⌛ Last-Minute

UTH - Seoul

Udon Thani (UTH) - Seoul (ICN)

Thai Airways International, MyTravel Airways

$290

$392

One-way

Biggest price drops on these dates for flights from Udon Thani to Seoul

12 nights

Sep 16 - Sep 28

$319 → $351

10%

3 nights

Nov 12 - Nov 15

$328 → $427

30%

7 nights

Nov 5 - Nov 12

$321 → $428

33%

10 nights

Nov 5 - Nov 15

$312 → $427

37%

Popular Airports to fly from Udon Thani to Seoul

Udon Thani - Seoul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Udon Thani to Seoul are below the typical level, with a median of $440.

📅 Best time to fly

August is historically cheapest at $345

Historically, August is the cheapest month to fly from Udon Thani to Seoul, with a median price of $345.

⏱️ Flight duration

Flights typically take 21h 50m

Flights from Udon Thani to Seoul typically take 21 hours and 50 minutes, including layovers.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with a median of 2 stopovers.

🏆 Airline highlight

MyTravel Airways offers deals from $295

MyTravel Airways has recent deals for Udon Thani to Seoul starting at $295.

🎯 Booking tip

Deals appear regularly

Deals for flights from Udon Thani to Seoul appear regularly, so check often for good prices.

Udon Thani main airports to depart from

Udon Thani International (UTH)

Cheapest

Udon Thani International Airport is a good choice for flights from Udon Thani to Seoul.

📍 ~3 km from city center (reachable by car)

💸 Flights from ~$351

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a major hub, offering diverse connections for your trip to Seoul.

📍 ~50 km from Seoul (reachable by train, bus, or taxi)

💸 Flights from ~$351

Gimpo International (GMP)

Gimpo International Airport provides convenient access to Seoul and surrounding areas.

📍 ~20 km from Seoul (reachable by train, bus, or taxi)

💸 Flights from ~$444

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a practical alternative for Seoul due to its proximity and international status.

📍 ~115 km from Seoul (reachable by express bus and rail services)

💸 Flights from ~$408

Gimhae International (PUS)

Gimhae International is a major international gateway and a reliable alternative for flights to the region.

📍 ~320 km from Seoul (reachable by KTX high-speed rail)

💸 Flights from ~$378

Daegu International (TAE)

Cheapest

Daegu International offers a good selection of international regional flights and efficient terminal processing.

📍 ~240 km from Seoul (reachable by high-speed rail)

💸 Flights from ~$358

Wonju (WJU)

Wonju is geographically the closest candidate airport to Seoul, useful for specific domestic connections.

📍 ~90 km from Seoul (reachable by car)

💸 Flights from ~$541

Gwangju (KWJ)

Gwangju is a major regional airport with KTX connectivity, an alternative for domestic travel.

📍 ~270 km from Seoul (reachable by KTX)

💸 Flights from ~$500

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Udon Thani to Seoul.

Seoul, South Korea

48% AI deal score

$2,607

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Looking into flights with layovers may also present cheaper options than direct routes.

Booking flights in advance often helps secure better prices, though the optimal booking window can vary. Prices may fluctuate based on demand and seasonality. It's usually beneficial to monitor fare changes over time before making a purchase.

Comparing flights from nearby airports at both your origin and destination can sometimes lead to more economical fares. While it may add to travel time, the potential savings could be significant. Always factor in the cost and convenience of ground transportation to and from these alternative airports.

Related routes

Consider alternative routes from Udon Thani

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Cheap Flights from Udon Thani to Seoul

Today’s best flight deals from Udon Thani to Seoul

Unlock all 500+ flight deals to Seoul and get alerts when great deals appear

Udon Thani to Seoul: Overview

Insights for flights from Udon Thani to Seoul

How much is a round trip from Udon Thani to Seoul

The cheapest time to fly from Udon Thani to Seoul

Direct flights from Udon Thani to Seoul

Last-minute flights going from Udon Thani to Seoul

Biggest price drops on these dates for flights from Udon Thani to Seoul

Popular Airports to fly from Udon Thani to Seoul

Udon Thani - Seoul route insights

Recent fares are below the typical level

August is historically cheapest at $345

Flights typically take 21h 50m

Connecting flights are dominant

MyTravel Airways offers deals from $295

Deals appear regularly

Udon Thani main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Jun 21

Jun 21

Jun 28

Jun 28

Jun 21

Jun 21

Jun 21

Jun 28

Jun 28

Jun 24

Jun 24

Jun 24

Jun 24

Jun 24

Jun 21

Jun 28

Jun 24

Aug 16

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Jul 06

Jul 06

Dec 05

Dec 03

Dec 03

Sep 28

Sep 28

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Udon Thani to Seoul?

How can I find cheap flights from Udon Thani to Seoul?

When should I book flights from Udon Thani to Seoul?

When should I book flights from Udon Thani to Seoul?

Should I compare nearby airports for flights from Udon Thani to Seoul?

Should I compare nearby airports for flights from Udon Thani to Seoul?

Are direct flights from Udon Thani to Seoul always the best option?

Are direct flights from Udon Thani to Seoul always the best option?

Can flexible travel dates help on Udon Thani to Seoul flights?

Can flexible travel dates help on Udon Thani to Seoul flights?

What extra costs should I check before booking Udon Thani to Seoul flights?

What extra costs should I check before booking Udon Thani to Seoul flights?

Related routes

Consider alternative routes from Udon Thani