Cheap Flights to Northeast Thailand

View ₩262,900 flight on Mon, May 4, 2026Opens in a new window

Popular airlines

  • Thai AirAsia

  • Thai Airways International

  • Thai Vietjet

  • Nok Air

  • Thai Lion Mantari

  • Hahn Air Systems

  • Turkish Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Northeast Thailand?

Prices were available within the past 7 days and start at ₩262,900 for one-way flights and ₩637,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Lion Mantari
Tue, Dec 8 - Mon, Dec 14
ICN
Seoul
UTH
Udon Thani
₩637,300 Roundtrip, found 4 hours ago
₩637,300
Roundtrip
found 4 hours ago
Select Thai Lion Mantari flight, departing Tue, Dec 8 from Seoul to Udon Thani, returning Mon, Dec 14, priced at ₩637,300 found 4 hours ago
Thai AirAsia
Thu, May 21 - Mon, May 25
ICN
Seoul
UTH
Udon Thani
₩668,605 Roundtrip, found 2 days ago
₩668,605
Roundtrip
found 2 days ago
Select Thai AirAsia flight, departing Thu, May 21 from Seoul to Udon Thani, returning Mon, May 25, priced at ₩668,605 found 2 days ago
Thai AirAsia
Tue, Jun 16 - Sun, Jun 21
ICN
Seoul
KKC
Khon Kaen
₩672,852 Roundtrip, found 1 day ago
₩672,852
Roundtrip
found 1 day ago
Select Thai AirAsia flight, departing Tue, Jun 16 from Seoul to Khon Kaen, returning Sun, Jun 21, priced at ₩672,852 found 1 day ago
Thai Airways International
Thu, May 14 - Mon, May 18
ICN
Seoul
KKC
Khon Kaen
₩857,300 Roundtrip, found 1 day ago
₩857,300
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Thu, May 14 from Seoul to Khon Kaen, returning Mon, May 18, priced at ₩857,300 found 1 day ago
Air Macau Company
Thu, May 14 - Mon, May 18
ICN
Seoul
KKC
Khon Kaen
₩863,400 Roundtrip, found 1 day ago
₩863,400
Roundtrip
found 1 day ago
Select Air Macau Company flight, departing Thu, May 14 from Seoul to Khon Kaen, returning Mon, May 18, priced at ₩863,400 found 1 day ago

Frequently asked questions

How do I find cheap flights to Northeast Thailand that have flexible change policies?
When it comes to flying these days, flexibility is important. That's why we've added a "No change fee" search function to help you find flexible, low-cost fares to Northeast Thailand. It's to the left of your screen directly below the "Flexible change policies" heading.
How can I find cheap tickets to Northeast Thailand?
You'll always find an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then tick the flexible dates box above to compare the cheapest prices for nearby days. ₩637,300 was the cheapest price for a flight to Northeast Thailand in the last seven days.
How much is a flight to Northeast Thailand?
You could have purchased a round-trip flight to Northeast Thailand from anywhere between ₩637,300 and ₩1,247,300 in the last seven days. For one-way trips leaving from Seoul (ICN), the lowest amount paid during this time was ₩262,900.
When is the cheapest time to fly to Northeast Thailand?
Taking off on a Tuesday, followed by a Monday, is generally the best way to secure the cheapest deal. Avoid weekends if possible, because Saturday is typically the costliest day. Spend the dollars you saved having fun in Northeast Thailand instead!
How much is a plane ticket to Northeast Thailand?
In the last seven days, tickets to Northeast Thailand varied between ₩637,300 and ₩1,247,300. Prices depend on multiple things, particularly the time of departure, cabin class, airline and how early you make your booking.
What months are the cheapest to book a flight to Northeast Thailand?
The perfect month to book affordable flights to Northeast Thailand is February. Bear in mind that in the USA, the most expensive time to purchase a ticket is the festive month of December.

Book with confidence

Searching for cheap flights to Northeast Thailand? No travel company presents more choices than Expedia if you're looking to compare flights to Northeast Thailand. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Thailand. Expedia provides the cheapest flights to many destinations in Thailand and you may find even greater savings if you combine your flight with a hotel stay in Northeast Thailand.

Travel information

Destination airport
Udon Thani Intl.
Destination airport IATA code
UTH
Destination city name
Udon Thani
Roundtrip price
₩637,300

Trending flights to Northeast Thailand

Prices were available within the past 7 days and start at ₩262,900 for one-way flights and ₩637,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Lion Mantari
Tue, Dec 8 - Mon, Dec 14
ICN
Seoul
UTH
Udon Thani
₩637,300 Roundtrip, found 4 hours ago
₩637,300
Roundtrip
found 4 hours ago
Select Thai Lion Mantari flight, departing Tue, Dec 8 from Seoul to Udon Thani, returning Mon, Dec 14, priced at ₩637,300 found 4 hours ago
*Available to Expedia members.