Thai Airways
Su, We, and Th
starting at $70
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Bangkok to Khon Kaen. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Bangkok to Khon Kaen, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Bangkok to Khon Kaen is Thai Airways. Flights operate on Sunday, Wednesday, and Thursday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Thai Airways
Su, We, and Th
starting at $70
Bangkok — Khon Kaen
07/10/2026
Departure
Direct flight
SL642
starting at $37
Bangkok — Khon Kaen
07/12/2026
Departure
Direct flight
SL648
starting at $51
Bangkok — Khon Kaen
08/02/2026
Departure
Direct flight
TG040
starting at $57
Bangkok — Khon Kaen
11/06/2026
Departure
Direct flight
FD3252
starting at $66
Bangkok — Khon Kaen
10/04/2026
Departure
Direct flight
FD3250
starting at $60
Bangkok — Khon Kaen
07/14/2026
Departure
Direct flight
TG42
starting at $54
Bangkok — Khon Kaen
07/15/2026
Departure
Direct flight
FD3258
starting at $64
Bangkok — Khon Kaen
02/25/2027
Departure
Direct flight
SL648
starting at $44
starting at $37
starting at $54
starting at $60
starting at $27
The route Bangkok — Khon Kaen is served by many carriers — 4 in total, including Thai Lion Air, Thai Airways, Thai AirAsia, and Thai Vietjet Air. This gives passengers wide opportunities: from finding the lowest fare (from $27) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
The cheapest one-way flight from Bangkok to Khon Kaen departs on 02/25/2027, is operated by Thai Vietjet Air and costs $27
There is no information about the cheapest roundtrip flight from Bangkok to Khon Kaen
Fastest flight from Bangkok to Khon Kaen takes 1h 5m
There are direct flights on this route 5 days a week: Su, Tu, We, Th, and Fr
The distance between Bangkok and Khon Kaen is 393km (244 miles). The average flight duration is 1h 7m. There are 17 direct flights from Bangkok to Khon Kaen. Bangkok and Khon Kaen are in the same time zone. Flights from Bangkok begin at 7:00 AM. The latest flight from Bangkok departs at 7:10 PM
The cheapest flight ticket from Bangkok to Khon Kaen according to data for the last 48 hours costs $27
Often the best time to buy tickets from Bangkok to Khon Kaen is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Bangkok to Khon Kaen can be found flying in these months: October, July, December.
The fastest flights from Bangkok to Khon Kaen start from 1 hour 5 minutes in the air.
The following airlines operate direct flights on the route Bangkok — Khon Kaen: Thai Lion Air, Thai Airways, Thai AirAsia
In different months, ticket prices from Bangkok to Khon Kaen vary: minimum — $35 (October 2026), maximum — $57 (December 2026). Typically, the flight costs $43–$94.
Tickets from Bangkok to Khon Kaen are getting more expensive each month. From July 2026 to December 2026, the increase reached 58%, with prices now at $57. It's unlikely to get cheaper than the current level.
The most significant price increase was from July 2026 to December 2026 — up 58%. The best time to fly is July 2026–October 2026, when the average price is $36. In October 2026–December 2026, tickets cost around $46.
Given the rising prices, it's best not to delay your purchase. Flying in July 2026–October 2026 can save you up to 23% compared to the most expensive months.
Price variation across months on this route is 23.6%. Your choice of departure month significantly affects the total flight cost.
We couldn't find any special offers for flights from Bangkok to Khon Kaen