Cheap Flights from Udon Thani to Seoul
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Deals from
Udon Thani
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 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 16 - September 28
UTH - Seoul
$319
$351
Round trip
November 5 - November 15
UTH - Seoul
$312
$427
Round trip
November 12 - November 15
UTH - Seoul
$328
$427
Round trip
November 12 - November 27
UTH - Seoul
$306
$428
Round trip
November 5 - November 12
UTH - Seoul
$321
$428
Round trip
November 5 - November 27
UTH - Seoul
$301
$428
Round trip
November 5 - November 26
UTH - Seoul
$301
$428
Round trip
November 12 - November 26
UTH - Seoul
$311
$428
Round trip
November 5 - November 25
UTH - Seoul
$301
$428
Round trip
October 1 - October 6
UTH - Seoul
$329
$482
Round trip
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Route Intelligence — 486,190 Searches this Week
Insights for flights from Udon Thani to Seoul
How much is a round trip from Udon Thani to Seoul
Regular price: $270 - $692
Prices are currently within the regular range.
The regular price range for flights from Udon Thani to Seoul is $270 to $692. The current lowest deal is $351 with MyTravel Airways, for travel from Sep 16-Sep 28.
now $351
Low $270
High $692
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
Flights from $345
April
Flights from $453
Direct flights from Udon Thani to Seoul
MyTravel Airways
Thai Airways International
Thai AirAsia
Arcus-Air Logistic
Last-minute flights going from Udon Thani to Seoul
Mon, Jun 22
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
Thai AirAsia
$374
$674
One-way
Tue, Jun 23
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
MyTravel Airways
$372
$565
One-way
Thu, Jul 2
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
Thai Airways International, Sierra National Airlines
$311
$549
One-way
Thu, Jul 2
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
Thai Airways International, Sierra National Airlines
$286
$554
One-way
Thu, Jul 2
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
Thai Airways International, Sierra National Airlines
$291
$560
One-way
Thu, Jul 2
UTH - Seoul
Udon Thani (UTH) - Seoul (ICN)
Thai Airways International, Sierra National Airlines
$294
$566
One-way
Biggest price drops on these dates for flights from Udon Thani to Seoul
Sep 16 - Sep 28
$319 → $351
10%
Nov 12 - Nov 15
$328 → $427
30%
Nov 5 - Nov 12
$321 → $428
33%
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 above the typical level.
Recent fares for Udon Thani to Seoul are above the typical level, with a median price of $396.
📅 Best time to fly
August is historically the cheapest month to fly.
Historically, August is the cheapest month to fly from Udon Thani to Seoul, with a median price of $345.
⏱️ Flight duration
Connecting flights average 21h 50m.
Flights from Udon Thani to Seoul typically involve 2 stopovers, with a median duration of 21h 50m.
✈️ Airlines & availability
MyTravel Airways offers deals on this route.
MyTravel Airways, Thai Airways International, and Thai AirAsia offer deals for flights from Udon Thani to Seoul.
🏆 Airline highlight
MyTravel Airways has 18 deals for this route.
MyTravel Airways has provided 18 deals for flights from Udon Thani to Seoul, more than any other airline.
🎯 Booking tip
Deals appear regularly for this route.
Deals for flights from Udon Thani to Seoul appear regularly, with about 0.17 deals per day.
Udon Thani main airports to depart from
Udon Thani International (UTH)
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)
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)
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.
Elite
Best Elite deals to Seoul
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,588
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,588
From UTH
Elite
Jun 28
Seoul, South Korea
70% AI deal score
$1,588
From UTH
Elite
Jun 28
Seoul, South Korea
70% AI deal score
$1,588
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,588
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,593
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,593
From UTH
Elite
Jun 28
Seoul, South Korea
70% AI deal score
$1,593
From UTH
Elite
Jun 28
Seoul, South Korea
70% AI deal score
$1,593
From UTH
Elite
Jun 24
Seoul, South Korea
70% AI deal score
$1,594
From UTH
Elite
Jun 24
Seoul, South Korea
70% AI deal score
$1,594
From UTH
Elite
Jun 24
Seoul, South Korea
70% AI deal score
$1,594
From UTH
Elite
Jun 24
Seoul, South Korea
70% AI deal score
$1,598
From UTH
Elite
Jun 24
Seoul, South Korea
70% AI deal score
$1,598
From UTH
Elite
Jun 21
Seoul, South Korea
70% AI deal score
$1,621
From UTH
Elite
Jun 28
Seoul, South Korea
69% AI deal score
$1,621
From UTH
Elite
Jun 24
Seoul, South Korea
69% AI deal score
$1,627
From UTH
Elite
Aug 16
Seoul, South Korea
69% AI deal score
$1,653
From UTH
Elite
Jun 25
Seoul, South Korea
69% AI deal score
$1,678
From UTH
Elite
Jul 06
Seoul, South Korea
68% AI deal score
$1,823
From UTH
Elite
Jul 06
Seoul, South Korea
68% AI deal score
$1,867
From UTH
Elite
Dec 05
Seoul, South Korea
49% AI deal score
$3,073
From UTH
Elite
Dec 03
Seoul, South Korea
49% AI deal score
$3,092
From UTH
Elite
Dec 03
Seoul, South Korea
49% AI deal score
$3,103
From UTH
Elite
Sep 28
Seoul, South Korea
48% AI deal score
$2,596
From UTH
Elite
Sep 28
Seoul, South Korea
48% AI deal score
$2,607