Cheap Flights from Chiang Mai to Khon Kaen from $139

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Flight deals from Chiang Mai to Khon Kaen

Looking for a cheap last-minute deal or the best return flight from Chiang Mai Airport to Khon Kaen Airport? If you want to travel next month, return fares start from $139. Find the lowest prices on one-way and return tickets right here.

Khon Kaen.$139 per passenger.Departing Fri, 28 Aug, returning Sun, 30 Aug.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Fri, 28 Aug, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 30 Aug, arriving in Chiang Mai.Price includes taxes and charges.From $139, select.

Khon Kaen.$139 per passenger.Departing Sat, 29 Aug, returning Wed, 2 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Sat, 29 Aug, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Wed, 2 Sep, arriving in Chiang Mai.Price includes taxes and charges.From $139, select.

Khon Kaen.$139 per passenger.Departing Thu, 17 Sep, returning Sun, 20 Sep.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Thu, 17 Sep, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 20 Sep, arriving in Chiang Mai.Price includes taxes and charges.From $139, select.

Khon Kaen.$140 per passenger.Departing Tue, 29 Sep, returning Sat, 3 Oct.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Tue, 29 Sep, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sat, 3 Oct, arriving in Chiang Mai.Price includes taxes and charges.From $140, select.

Khon Kaen.$141 per passenger.Departing Fri, 30 Oct, returning Tue, 3 Nov.Return flight with Thai AirAsia and Thai VietJet Air.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Fri, 30 Oct, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Tue, 3 Nov, arriving in Chiang Mai.Price includes taxes and charges.From $141, select.

Khon Kaen.$142 per passenger.Departing Fri, 16 Oct, returning Tue, 20 Oct.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Fri, 16 Oct, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Tue, 20 Oct, arriving in Chiang Mai.Price includes taxes and charges.From $142, select.

Khon Kaen.$144 per passenger.Departing Mon, 18 Jan, returning Fri, 22 Jan.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Mon, 18 Jan, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Fri, 22 Jan, arriving in Chiang Mai.Price includes taxes and charges.From $144, select.

Khon Kaen.$149 per passenger.Departing Tue, 10 Nov, returning Tue, 29 Dec.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Tue, 10 Nov, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Tue, 29 Dec, arriving in Chiang Mai.Price includes taxes and charges.From $149, select.

Khon Kaen.$149 per passenger.Departing Wed, 2 Dec, returning Sun, 6 Dec.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Wed, 2 Dec, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 6 Dec, arriving in Chiang Mai.Price includes taxes and charges.From $149, select.

Khon Kaen.$157 per passenger.Departing Wed, 28 Oct, returning Sun, 1 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Wed, 28 Oct, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 1 Nov, arriving in Chiang Mai.Price includes taxes and charges.From $157, select.

Khon Kaen.$174 per passenger.Departing Mon, 15 Feb, returning Thu, 18 Feb.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Mon, 15 Feb, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Thu, 18 Feb, arriving in Chiang Mai.Price includes taxes and charges.From $174, select.

Khon Kaen.$183 per passenger.Departing Tue, 3 Nov, returning Tue, 10 Nov.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Tue, 3 Nov, arriving in Khon Kaen.Inbound indirect flight with Thai AirAsia, departs from Khon Kaen on Tue, 10 Nov, arriving in Chiang Mai.Price includes taxes and charges.From $183, select.

Khon Kaen.$193 per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Sat, 7 Nov, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sat, 14 Nov, arriving in Chiang Mai.Price includes taxes and charges.From $193, select.

Khon Kaen.$214 per passenger.Departing Fri, 16 Jul, returning Mon, 19 Jul.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Mai on Fri, 16 Jul, arriving in Khon Kaen.Inbound indirect flight with Thai AirAsia, departs from Khon Kaen on Mon, 19 Jul, arriving in Chiang Mai.Price includes taxes and charges.From $214, select.

Khon Kaen.$224 per passenger.Departing Wed, 30 Dec, returning Sun, 3 Jan.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Wed, 30 Dec, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 3 Jan, arriving in Chiang Mai.Price includes taxes and charges.From $224, select.

Khon Kaen.$289 per passenger.Departing Thu, 4 Mar, returning Sun, 7 Mar.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Chiang Mai on Thu, 4 Mar, arriving in Khon Kaen.Inbound direct flight with Thai AirAsia departs from Khon Kaen on Sun, 7 Mar, arriving in Chiang Mai.Price includes taxes and charges.From $289, select.

Find the cheapest month to fly from Chiang Mai to Khon Kaen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Khon Kaen flights are currently cheapest in August.

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Direct flights from Chiang Mai to Khon Kaen

Chiang Mai to Khon Kaen: Alternative routes

Compare routes from Chiang Mai to Khon Kaen below. You may find an airport to fly into that's cheaper, faster, or easier than Khon Kaen.

Khon Kaen

6km from central Khon Kaen

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from $139

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Chiang Mai to Khon Kaen: Flight information

The things to know before you go.

Cheapest flight found	$139
Cheapest month to fly	August
Average flight time	1 hr, 5 mins
Most popular airline	Thai AirAsia
Average flights per week	9

Finding cheap flights from Chiang Mai to Khon Kaen: Frequently asked questions

How much are return flights from Chiang Mai to Khon Kaen?

The best price we found for a return flight from Chiang Mai to Khon Kaen is $139. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chiang Mai to Khon Kaen?

1 hour and 5 minutes is the average flight time from Chiang Mai to Khon Kaen.

Which airlines fly direct from Chiang Mai to Khon Kaen?

Thai AirAsia flies direct from Chiang Mai to Khon Kaen.

How many flights are there a week from Chiang Mai to Khon Kaen?

As of August 2026, there are 9 flights per week flying from Chiang Mai to Khon Kaen.

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

The cheapest month to fly from Chiang Mai to Khon Kaen is usually August.

Which upcoming date is cheapest to fly from Chiang Mai Airport to Khon Kaen Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Khon Kaen Airport on Saturday, 29 August 2026.

Can I get a direct flight from Chiang Mai Airport to Khon Kaen Airport?

Yes – the average flight time is 1 hour and 5 minutes.

How can I find the best flight deal to Khon Kaen?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Khon Kaen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Khon Kaen?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Khon Kaen is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Chiang Mai Airport to Khon Kaen with?

Currently, Thai AirAsia offers the cheapest flight tickets to Khon Kaen.

Travelling from Chiang Mai Airport (CNX) to Khon Kaen Airport (KKC): what you need to know

The average duration of a direct flight from Chiang Mai Airport to Khon Kaen Airport is 1 hour 5 minutes.
You can choose from ten weekly Chiang Mai Airport to Khon Kaen Airport flights. The 12:25 departure with Thai AirAsia is the earliest you can take. Thai AirAsia operates the latest service of the day at 19:15.
For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your CNX to KKC flight.
Flying during a peak time like January? Public holidays and other popular periods can mean longer lines and delays at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.
Travelling to Khon Kaen (and then exploring more of Thailand!) is a snap with Thai AirAsia. This popular carrier has direct flights from Chiang Mai Airport to Khon Kaen Airport.
The majority of travellers choose to fly with Thai AirAsia on this route.
With an impressive 81.25% of services arriving on schedule, Thai AirAsia has the best on-time performance for CNX to KKC flights.
If you'd like to tour another city along the way, look for a flight with a stopover. To see all your options for tickets from Chiang Mai Airport to Khon Kaen Airport, uncheck 'Direct flights only.' Bangkok Suvarnabhumi Airport is a sought-after stop between CNX and KKC.

How to find the cheapest flights from Chiang Mai Airport (CNX) to Khon Kaen Airport (KKC)

The cheapest price we've seen for a one-way Chiang Mai Airport to Khon Kaen Airport flight is $69. A round-trip plane ticket right now is $139. Depending on the availability when you book, these fares could change.
It's usually best to book in advance if you're hoping to get cheap tickets from CNX to KKC. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.
May is the cheapest month for flights from Chiang Mai Airport to Khon Kaen Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.
You won't have to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from CNX to KKC.
Choose your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Chiang Mai Airport to Khon Kaen Airport.

Handy information about Chiang Mai Airport (CNX)

When it comes to the on-time performance of Chiang Mai Airport, data shows 73% of flights stick to their scheduled arrival time.
Central Chiang Mai to Chiang Mai Airport is approximately 3 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're catching a taxi, ride-sharing or driving.
Planning to catch public transport? Expect a trip time of around 25 minutes.
Looking for a convenient hotel near CNX? If you're catching an early flight from Chiang Mai Airport to Khon Kaen Airport, these stays will have you moments from your departure lounge:

Arriving at Khon Kaen Airport (KKC)

Reserve a hotel near KKC if you're taking a late Chiang Mai Airport to Khon Kaen Airport flight. Check in to one of these accommodation options and skip the long transfer:
Explore without limits with a Khon Kaen Airport rental car. Book your wheels from Chic Car Rent, Hertz or Thai Rent a Car and discover more of Khon Kaen and beyond.
To secure the lowest price, book your vehicle from Khon Kaen Airport about two weeks before travelling.

When to fly to Khon Kaen Airport (KKC)

The quietest month for a flight from Chiang Mai Airport to Khon Kaen Airport is March, while April is the busiest. Choose the best time to visit Khon Kaen based on whether you prefer a more fast-paced or easygoing experience.
When booking your flight from Chiang Mai Airport to Khon Kaen Airport, think about the type of weather you enjoy. April is the warmest month in Khon Kaen, with temperatures ranging from 24ºC to 41ºC.
January sees average temperatures of between 15ºC and 32ºC. Look for cheap tickets from CNX to KKC around that time if you want to travel in cooler conditions.

Explore more of Thailand

You've done Khon Kaen, now it's time to discover other parts of Thailand. Travel around 386 kilometres south-west to Bangkok to tick off its top attractions. From Grand Palace to Wat Phra Kaew and Songkran Festival Silom, you've got a jam-packed schedule ahead.