Flights Bangkok → Chiang Rai (BKK-CEI) — THB Fares, Airlines, Frequency

Bangkok to Chiang Rai connects the capital with the northernmost province of Thailand. Chiang Rai is a destination for travellers drawn to the north’s mountains, temples and the cooler upland climate, and the route also carries residents, students and business travellers. Around 42 flights a week keep it a frequent, reliable domestic link.

Block time is about 1.3 hours. Demand lifts in the cool season, when the northern climate is at its most pleasant and the province’s landscapes and festivals draw the most visitors.

Airlines on this route

Four carriers fly BKK-CEI — Thai AirAsia, Thai Vietjet, Nok Air and Thai Lion Air — all low-cost. They price the base seat low and sell baggage and extras separately. On a short domestic flight, comparing the all-in THB cost once add-ons are counted is the fair way to weigh one low-cost fare against another.

THB fares

BKK-CEI fares stay competitive thanks to the frequency, rising around the cool-season high season, the year-end holidays and the northern festival periods. The cheapest seats are the low-cost carriers’ early-released fares — booking two to five weeks ahead usually lands a good price, and mid-week departures undercut weekends. The hot and rainy months are the quietest and cheapest.

Search live fares

Search BKK → CEI on Aviasales →{:target=“_blank” rel=“nofollow sponsored noopener”}

About Chiang Rai

Chiang Rai is the northernmost province of Thailand, a region of forested mountains, river valleys and a cooler climate than the central plains. Its city is smaller and quieter than Chiang Mai, and the province is known for its distinctive contemporary temples, its hill country, and its position near the meeting point of Thailand, Laos and Myanmar. For travellers from Bangkok, Chiang Rai is a calm northern destination and a base for exploring the far north.

FAQ

Which airlines fly Bangkok to Chiang Rai? Direct BKK-CEI flights are operated by Thai AirAsia, Thai Vietjet, Nok Air, Thai Lion Air. Compare baggage allowance, fares and schedules in the carrier table above.

How long is the BKK-CEI flight and how often does it run? Block time is about 1.3 hours. The BKK-CEI route runs roughly 42 flights per week across all carriers.

How far ahead should I book BKK-CEI for the best fare? Booking 4-8 weeks ahead for regular dates, and 10-14 weeks for peak periods (Songkran, New Year, Hajj/Umrah season), typically saves 15-30%. See the month-by-month fare heatmap above.

What is the checked baggage allowance on BKK-CEI? It varies by carrier and fare class — full-service carriers on this route usually include 20-30 kg, while low-cost carriers sell it as an add-on. Confirm the current policy on the airline’s site before booking.

What currency is used in Chiang Rai? Chiang Rai uses USD. Compare airfares in THB and budget on-the-ground spending in USD.

Related routes

• BKK airport
• CEI airport