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Cheap Flights from Bangkok to Khon Kaen

Explore the cheapest flights from Bangkok to Khon Kaen in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 40, and round-trip direct tickets start at S$ 78.

      • Cheapest nonstop
        BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sat, Jul 11 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Sat, Jul 18 | Thai Vietjet
        S$ 78 S$ 105
        26% off
        26% off
        S$ 105 S$ 78
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sun, Jul 12 | Thai Vietjet
        KKC 08:40
        1h 10m
        Direct
        BKK 09:50
        Khon Kaen - Bangkok | Thu, Jul 16 | Thai Vietjet
        S$ 81 S$ 105
        23% off
        23% off
        S$ 105 S$ 81
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Thu, Jul 2 | Thai Vietjet
        KKC 08:40
        1h 10m
        Direct
        BKK 09:50
        Khon Kaen - Bangkok | Tue, Jul 7 | Thai Vietjet
        S$ 82 S$ 105
        22% off
        22% off
        S$ 105 S$ 82
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Wed, Jul 1 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Sat, Jul 4 | Thai Vietjet
        S$ 82
        22% off
        S$ 105 S$ 82
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Tue, Jul 7 | Thai Vietjet
        KKC 08:40
        1h 10m
        Direct
        BKK 09:50
        Khon Kaen - Bangkok | Sat, Jul 11 | Thai Vietjet
        S$ 82
        22% off
        S$ 105 S$ 82
      • BKK 17:55
        1h 5m
        Direct
        KKC 19:00
        Bangkok - Khon Kaen | Fri, Jul 10 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Wed, Jul 15 | Thai Vietjet
        S$ 82
        22% off
        S$ 105 S$ 82
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Wed, Jul 8 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Wed, Jul 15 | Thai Vietjet
        S$ 82
        22% off
        S$ 105 S$ 82
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Fri, Jul 3 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Mon, Jul 6 | Thai Vietjet
        S$ 86
        18% off
        S$ 105 S$ 86
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sun, Jul 5 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Sat, Jul 11 | Thai Vietjet
        S$ 86
        18% off
        S$ 105 S$ 86
      • BKK 17:55
        1h 5m
        Direct
        KKC 19:00
        Bangkok - Khon Kaen | Thu, Jul 9 | Thai Vietjet
        KKC 19:30
        1h 10m
        Direct
        BKK 20:40
        Khon Kaen - Bangkok | Wed, Jul 15 | Thai Vietjet
        S$ 87
        17% off
        S$ 105 S$ 87
      • BKK 13:00
        17h 25m
        1 stop
        KKC 14:00
        Bangkok - Khon Kaen | Fri, May 15 | Normal Airline
        KKC 15:00
        6h
        Direct
        BKK 16:00
        Khon Kaen - Bangkok | Sun, May 17 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Thu, Jul 2 | Thai Vietjet
        S$ 40 S$ 61
        34% off
        34% off
        S$ 61 S$ 40
      • BKK 17:55
        1h 5m
        Direct
        KKC 19:00
        Bangkok - Khon Kaen | Wed, Jul 1 | Thai Vietjet
        S$ 40 S$ 61
        34% off
        34% off
        S$ 61 S$ 40
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Tue, Jul 7 | Thai Vietjet
        S$ 40 S$ 61
        34% off
        34% off
        S$ 61 S$ 40
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sat, Jul 11 | Thai Vietjet
        S$ 42
        31% off
        S$ 61 S$ 42
      • BKK 17:55
        1h 5m
        Direct
        KKC 19:00
        Bangkok - Khon Kaen | Fri, Jul 10 | Thai Vietjet
        S$ 45
        26% off
        S$ 61 S$ 45
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sun, Jul 12 | Thai Vietjet
        S$ 45
        26% off
        S$ 61 S$ 45
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Fri, Jul 3 | Thai Vietjet
        S$ 45
        26% off
        S$ 61 S$ 45
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Sun, Jul 5 | Thai Vietjet
        S$ 45
        26% off
        S$ 61 S$ 45
      • BKK 07:05
        1h 5m
        Direct
        KKC 08:10
        Bangkok - Khon Kaen | Wed, Jul 8 | Thai Vietjet
        S$ 45
        26% off
        S$ 61 S$ 45
      • BKK 17:55
        1h 5m
        Direct
        KKC 19:00
        Bangkok - Khon Kaen | Mon, Jul 6 | Thai Vietjet
        S$ 50
        18% off
        S$ 61 S$ 50
      • BKK 13:00
        17h 25m
        1 stop
        KKC 14:00
        Bangkok - Khon Kaen | Fri, May 15 | Normal Airline
        Find more flights
        Find more flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Trip.com Price Insights on Flights from Bangkok to Khon Kaen.

What is the cheapest month for one-way flights from to Khon Kaen?

The average price of one-way flights from to Khon Kaen purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Khon Kaen is September, with an average price of S$ 13, and the most expensive month is April, with an average price of up to S$ 27.

S$ 27
S$ 20
S$ 13
S$ 6
    Cheapest
  • S$ 20
    May
  • S$ 15
    Jun
  • S$ 14
    Jul
  • S$ 14
    Aug
  • S$ 13
    Sep
  • S$ 15
    Oct
  • S$ 16
    Nov
  • S$ 22
    Dec
  • S$ 20
    Jan
  • S$ 17
    Feb
  • S$ 16
    Mar
  • S$ 27
    Apr

What is the cheapest month for round-trip flights from to Khon Kaen?

The average price of round-trip flights from to Khon Kaen purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from to Khon Kaen is September, with an average price of S$ 53, and the most expensive month is October, with an average price of up to S$ 74.

S$ 74
S$ 64
S$ 53
S$ 43
    Cheapest
  • S$ 73
    May
  • S$ 69
    Jun
  • S$ 73
    Jul
  • S$ 66
    Aug
  • S$ 53
    Sep
  • S$ 74
    Oct
  • S$ 70
    Nov
  • S$ 71
    Dec
  • S$ 64
    Jan
  • S$ 64
    Feb
  • S$ 62
    Mar
  • S$ 74
    Apr

What is the cheapest day to fly from Bangkok to Khon Kaen during Hari Raya Haji?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Bangkok to Khon Kaen during Hari Raya Haji.

Hari Raya Haji is scheduled on May 27. The flights from Bangkok to Khon Kaen are cheapest on May 26, with the lowest fare of S$ 42.

S$ 55
S$ 49
S$ 42
S$ 36
    Cheapest
  • S$ 50
    23
    May
  • S$ 50
    24
  • S$ 52
    25
  • S$ 42
    26
  • S$ 55
    27
  • S$ 55
    28
  • S$ 50
    29

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Bangkok (BKK) to Khon Kaen (KKC)?

    Based on Trip.com data, Thai Vietjet offers one-way fares as low as S$ 40 on Cheapest nonstop routes (e.g. BKK to KKC on Thu, Jul 2), while Thai Vietjet offers Cheapest nonstop round-trips from S$ 78 departing on Sat, Jul 11 and returning on Sat, Jul 18.
  • At the moment, you can catch a direct flight from Bangkok to Khon Kaen with the following airlines, including: Thai Airways Thai AirAsia Thai Lion Air Thai Vietjet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 9 minutes to fly from Bangkok (BKK) to Khon Kaen (KKC).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok 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.
  • Based on Trip.com data in the past 4 weeks, there is 65 flight per week flying from Bangkok to Khon Kaen. You can check the weekly schedule for popular airlines on this route below: Thai AirAsia: -/-/T/W/T/F/S -- FD3248 (08:28) Thai AirAsia: S/M/T/W/T/F/S -- FD3258 (19:08) Thai Vietjet: S/M/T/W/T/F/S -- VZ214 (18:03)
  • To find best deals on flights from Bangkok 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, Jul 2, with one-way flights priced at just S$ 40.
    · 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.
    · 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 July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bangkok to Khon Kaen is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Bangkok to Khon Kaen on May 20, 2026 with Thai Vietjet, with prices starting at S$ 14.
  • You can land at any one of the following hubs in Khon Kaen, with Suvarnabhumi Airport to Khon Kaen International Airport (BKK-KKC) is by far the most common option on this route: Khon Kaen International Airport (KKC).
  • The time difference between Khon Kaen and Bangkok is 0h.
  • Tickets can only be changed or cancelled 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.

Find Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.