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Flights from Hong Kong to Udon Thani

Find flight deals from Hong Kong to Udon Thani for the next 3 months. Book one way flights from CNY 693 or round trip flights from CNY 1,315.

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

Flight Info | Hong Kong to Udon Thani

The distance between Hong Kong and Udon Thani is about 1,313.44 km. The most popular month to Udon Thani is January. The off-season for travel is October.

Cheapest one-way flight priceCNY 693
Cheapest return ticket priceCNY 1,315
Off-season for travelOctober
Peak season for travelJanuary
Flight distance1,313.44 km

When is the cheapest time to fly from Hong Kong to Udon Thani?

The cheapest time for Hong Kong to Udon Thani flights: Nov 13 to Nov 19 — one way flight prices from CNY 670.

Cheapest flights
From price
Search
  • 2329

  • Nov

    305
  • 612
  • 1319
  • 2026

  • Dec

    273
  • 410
  • 1117
  • 1824
  • 2531

  • Jan

    17
  • 814
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When is the best time to book flights from Hong Kong to Udon Thani?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Udon Thani is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Hong Kong to Udon Thani is October, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Hong Kong to Udon Thani on October 29, 2025 with Thai Lion Air, with prices starting at CNY 1,315.
  • The time difference between Udon Thani and Hong Kong is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

How to find a cheap flight from Hong Kong 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 Hong Kong to Udon Thani. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Hong Kong to Udon Thani ticket.
Tap "Date" on flight search bar to scan through the calender for Hong Kong to Udon Thani airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Fri, Nov 14 at CNY 693 for one-way flights.
2
Compare cheap Hong Kong to Udon Thani flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Hong Kong to Udon Thani. The cheapest airline operating is Thai Lion Air.
3
Set up a Price Alert
By setting up a Price Alert for your Hong Kong to Udon Thani route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Hong Kong to Udon Thani flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Hong Kong to Udon Thani to get exclusive deals for you.

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