Find cheap airlines flights from Chiang Rai to Khon Kaen

Choose from 1 carriers that fly from Chiang Rai to Khon Kaen, including Thai Lion Air, Enjoy the cheapest tickets on this route with Thai Vietjet Air.

Find flight deals from Chiang Rai to Khon Kaen for the next 3 months. Book one way flights from ILS 170 or round trip flights from ILS 350.

Displayed flight fares from Chiang Rai to Khon Kaen are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Chiang Rai to Khon Kaen

The distance between Chiang Rai and Khon Kaen is approximately 494.11 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceILS 170
Cheapest round-trip ticket priceILS 350
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance494.11 km
Popular airlineThai Lion Air

When is the cheapest time to fly from Chiang Rai to Khon Kaen?

The cheapest time for Chiang Rai to Khon Kaen flights: Feb 22 to Mar 1 — one way flight prices from ILS 132.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Chiang Rai to Khon Kaen, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Chiang Rai to Khon Kaen (CEI-KKC)?

    Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as ILS 170 on Cheapest nonstop routes (e.g. CEI to KKC on Thu, Dec 18), while Thai Lion Air offers Cheapest nonstop round-trips from ILS 350 departing on Wed, Jan 7 and returning on Mon, Jan 12.
  • At the moment, you can catch a nonstop flight from Chiang Rai to Khon Kaen with the following airlines, including: Thai Lion Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chiang Rai to Khon Kaen 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.
  • To find best deals on flights from Chiang Rai to Khon Kaen, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Dec 18, with one-way flights priced at just ILS 170.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Vietjet Air.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Khon Kaen travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chiang Rai to Khon Kaen is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Chiang Rai to Khon Kaen on December 24, 2025 with Thai Vietjet Air, with prices starting at ILS 151.
  • You can land at any one of the following hubs in Khon Kaen, with Chiang Rai International Airport to Khon Kaen Airport (CEI-KKC) is by far the most common option on this route: Khon Kaen Airport (KKC).
  • The time difference between Khon Kaen and Chiang Rai is 0h.
  • 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.