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Flights between Bangkok (BKK) and Chiang Rai (CEI)

Suvarnabhumi Airport, Thailand ↔ Mae Fah Luang - Chiang Rai International Airport, Thailand

A direct route between Bangkok and Chiang Rai appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 6 Aug 2026 — sampled, not a live timetable; confirm with the airline.

Thai Airways International (TG)Thai Vietjet Air (VZ)
Distance
703 km
437 miles
Est. flight time
1h 23m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Thailand

Jan
32°
37/27
10mm
Feb
33°
38/28
20mm
Mar
34°
39/29
30mm
Apr
35°
40/30
60mm
May
34°
39/29
180mm
Jun
33°
38/28
200mm
Jul
32°
37/27
200mm
Aug
32°
37/27
250mm
Sep
32°
37/27
300mm
Oct
31°
36/26
200mm
Nov
31°
36/26
50mm
Dec
31°
36/26
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Thailand

Jan
32°
37/27
10mm
Feb
33°
38/28
20mm
Mar
34°
39/29
30mm
Apr
35°
40/30
60mm
May
34°
39/29
180mm
Jun
33°
38/28
200mm
Jul
32°
37/27
200mm
Aug
32°
37/27
250mm
Sep
32°
37/27
300mm
Oct
31°
36/26
200mm
Nov
31°
36/26
50mm
Dec
31°
36/26
10mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Common questions

How far is Bangkok from Chiang Rai?

Bangkok (BKK) and Chiang Rai (CEI) are around 703 km (437 miles) apart — an estimated 1h 23m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the BKK–CEI route?

Airlines recorded operating this route in the OpenFlights network include Thai Airways International, Thai Vietjet Air. This reflects historical scheduled service and may be out of date.

What is the time difference between Bangkok and Chiang Rai?

Both airports keep the same time — no time difference.

When is it warmest in Thailand?

Across Thailand, the warmest month on average is April, with mean temperatures around 35°C. These are country-level monthly climate normals, not airport-specific.

Distances and flight times are great-circle estimates, not booked block times.