Distance From Mae Fah Luang - Chiang Rai International Airport to Ontario International Airport, CEI - ONT Distance

The distance from Mae Fah Luang - Chiang Rai International Airport (CEI) to Ontario International Airport (ONT) is 7964 miles or 12817 kilometers or 6916 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Chiang Rai ( Thailand ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Chiang Rai and Ontario takes around 18 hours 18 minutes.

Estimated flight time from Mae Fah Luang - Chiang Rai International Airport, Chiang Rai, Thailand to Ontario International Airport, Ontario, United States is 18 hours 18 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CEI - ONT

Kilometers		12817 km
Statute Miles		7964 miles
Nautical Miles		6916 nm
Avg. Time of Flight		18 hours 18 minutes

Mae Fah Luang - Chiang Rai International Airport to Ontario International Airport Flight Route Map - CEI to ONT Flight Path

Location of Mae Fah Luang - Chiang Rai International Airport & Ontario International Airport is given below.
Click the map to view Chiang Rai to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Chiang Rai, Thailand and Ontario, United States. .

Nonstop flight route between Chiang Rai, Thailand and Ontario, United States.

Time Difference Between the Airports • CEI - ONT

Time difference between Chiang Rai (Thailand) and Ontario (United States) is 15 Hours.
Ontario time is 15 Hours behind Chiang Rai.

Location	Local Time
Chiang Rai (Thailand)	2025-01-16, 00:08:10 +07
Ontario (United States)	2025-01-15, 09:08:10 PST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Mae Fah Luang - Chiang Rai International Airport (CEI / VTCT) Chiang Rai, Thailand

Destination

Ontario International Airport (ONT / KONT) Ontario, United States