Open interactive map →Cheap flights from Bangkok to Khon Kaen
From Bangkok, reaching Khon Kaen in Thailand currently costs from €25. Fares are available from several carriers, with prices shifting week to week. Non-stop flights are available, which saves time compared to connecting itineraries. Prices follow seasonal patterns - the calendar below shows where the dips and peaks fall across the next 12 months, so you can book at the right moment.
Price patterns on the Bangkok to Khon Kaen route tend to spike during school holidays and public holiday weekends. Booking 4-6 weeks out generally balances availability and price well on this route. If your travel dates are flexible, check the price calendar for the lowest-priced months before searching for specific flights. See all flights from Bangkok to Thailand→
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Cheapest month to fly
- October 2026€25DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €25.
Prices last updated: September 2026
Entry requirements for Thailand
EU passportVisa-free, 60 days
US passportVisa-free, 60 days
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Khon Kaen
Frequently asked questions
How much does a flight from Bangkok to Khon Kaen cost?
The cheapest fare currently available from Bangkok to Khon Kaen is €25. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Bangkok to Khon Kaen?
Yes - non-stop flights are currently available from Bangkok to Khon Kaen. The cheapest direct fare starts at €25, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Thailand. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Bangkok to Khon Kaen?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Bangkok. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.