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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 round-trip 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
Be flexible with your travel dates to get the cheapest Hong Kong to Udon Thani ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Hong Kong to Udon Thani for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is CNY 693 for a one-way ticket on Fri, Nov 14.
2
Compare cheap Hong Kong to Udon Thani flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Hong Kong to Udon Thani. The most affordable airline currently operating on this route is Thai Lion Air.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Hong Kong to Udon Thani route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap Hong Kong to Udon Thani flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Hong Kong to Udon Thani to access exclusive deals just for you.

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