Cheap flights from Bangkok to Chiang Rai from $37

The cheapest month to fly to Chiang Rai from Bangkok is in August. Flight prices, which tend to average around $17, are often lower during this time because this is during the off-season. If you’re not able to fly to Chiang Rai in August, then September is your next best option. Flight prices from Bangkok to Chiang Rai during September average around $25.

On average, the least expensive day to fly to Chiang Rai from Bangkok is on a Monday. momondo users have found tickets for Monday departures for as low as $82. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Chiang Rai on Wednesday is $115.

According to our data, the cheapest time of day to fly to Chiang Rai is in the morning. momondo users have found flights departing from Bangkok to Chiang Rai in the morning for as low as $84. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Chiang Rai, so prices are often more expensive at around $186 per ticket.

Fly from Bangkok Don Mueang Intl to Chiang Rai for the best Bangkok - Chiang Rai flight prices

You are more likely to see cheaper flights to Chiang Rai from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Rai for around $80 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Rai from Bangkok for as low as $59 on momondo.

There are 3 cabin classes available to choose from on Bangkok to Chiang Rai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Thai Vietjet Air and Thai AirAsia are the most popular carriers operating from Bangkok to Chiang Rai

Thai AirAsia, Thai Lion Air and Thai Vietjet Air are the top three most popular airlines that fly to Chiang Rai from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Chiang Rai. Keep in mind that there are 6 different airlines that fly to Chiang Rai on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Bangkok and Chiang Rai have experienced a delay on any given week. The average delay length over the past 12 months has been 92 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of May 2026, there are 14 flights per day flying from Bangkok to Chiang Rai. The most common time of day flights depart is 8:00AM, with 54% of flights taking off at noon.

As of May 2026, there are 98 flights per week flying from Bangkok to Chiang Rai. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.