Cheap flights from Bangkok to Chiang Rai from £27

If you aren’t able to travel during the month of September, then book flights to Chiang Rai from Bangkok during February instead. Flights to Chiang Rai in February, while not as cheap as those in September, still average around £54.

The cheapest day to depart from Bangkok to Chiang Rai is on a Saturday. Travellers who choose to depart for Chiang Rai on a Saturday will often find tickets for as low as £49. On the other hand, Friday is the most expensive day to depart from Bangkok because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £118.

At midday is the cheapest time of day to fly from Bangkok to Chiang Rai when you can find flight prices for as low as £62. Flying to Chiang Rai at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £99. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £66 when searching weeks before you fly. 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 £56 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 is the most popular carrier 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 44% of people opting to fly with this airline when travelling 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 90 minutes.

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

Sunday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

The number of flights available between Bangkok and Chiang Rai is 12 per day as of September 2026. The most frequent departure time is 11:00, with 56% of daily flights leaving at midday.

The number of flights available between Bangkok and Chiang Rai is 85 per week as of September 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.