Cheap Flights from San Francisco International to Chiang Mai

Travellers and cabin class

Compare San Francisco International to Chiang Mai flight deals

Find the cheapest month or even day of the year to fly to Chiang Mai

Book the best Chiang Mai fare with no extra fees

Flight deals from San Francisco International to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Chiang Mai? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Chiang Mai flights are currently cheapest in May.

San Francisco International to Chiang Mai: Alternative routes

Compare routes from San Francisco International to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

San Francisco to Chiang Mai: Flight information

The things to know before you go.
Cheapest flight foundR 8,008
Cheapest month to flyMay

Finding cheap flights from San Francisco International to Chiang Mai: Frequently asked questions

The best price we found for a return flight from San Francisco International to Chiang Mai is R 14,703. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to Chiang Mai. But we found flights with one or more stops from R 14,703.
As of March 2025, there are no flights flying from San Francisco International to Chiang Mai.
The cheapest month to fly from San Francisco International to Chiang Mai is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Chiang Mai Airport on Monday, 24 March 2025.
No airlines currently offer direct flights between San Francisco International Airport and Chiang Mai Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Korean Air offers the cheapest flight tickets to Chiang Mai.

Travelling from San Francisco International Airport (SFO) to Chiang Mai International Airport (CNX): what you need to know

  • Be prepared for bigger queues in popular months like August and other peak periods. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • We make it a breeze to book a flight with a stopover. To look at the options for flights from San Francisco International Airport to Chiang Mai International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Popular stopovers between SFO and CNX are:

    • Incheon International Airport

    • Shanghai Pudong International Airport

    • Taiwan Taoyuan International Airport

  • To see whether you need a visa to enter Thailand, check with your airline and the local embassy or consulate. They'll give you the most up-to-date information, including other travel documents you may need after booking your cheap ticket from SFO to CNX.

How to find the cheapest flights from San Francisco International Airport (SFO) to Chiang Mai International Airport (CNX)

  • The lowest price we've found for a one-way ticket from San Francisco International Airport to Chiang Mai International Airport is R 8,008. For a return flight on this route, the best price is R 14,703. Depending on the availability when you book, these fares could change.

  • Don't wait until the last minute. You're more likely to get cheap tickets from SFO to CNX if you book ahead. Airlines often offer some amazing early bird discounts.

  • Finding cheap tickets from San Francisco International Airport to Chiang Mai International Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' search tool to see the lowest fares across each month and snap up a great deal.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified straight away if there's a better deal on this route. It's simple to do, and it'll save you time searching for cheap tickets from SFO to CNX every day.

  • Take advantage of filters to find the best trip for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from San Francisco International Airport to Chiang Mai International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about San Francisco International Airport (SFO)

  • San Francisco International Airport is around 21 kilometres from central San Francisco. If you're ride-sharing, driving or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 47 minutes.

  • After a stress-free start to your break? Stay near SFO. Whether you're on an early flight from San Francisco International Airport to Chiang Mai International Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Chiang Mai International Airport (CNX)

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

  • Chiang Mai International Airport is approximately 5 kilometres from the centre of Chiang Mai. With a cab or in your own car rental, the drive is about 10 minutes.

  • Getting there by public transport takes about 23 minutes.

When to fly to Chiang Mai International Airport (CNX)

  • The quietest month for a flight from San Francisco International Airport to Chiang Mai International Airport is February, while August is the most popular. Choose the ideal time to visit Chiang Mai based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from San Francisco International Airport to Chiang Mai International Airport, think about the kind of weather you enjoy. April is the warmest month in Chiang Mai, with the temperature ranging from 22ºC to 42ºC.

  • Look for cheap tickets from SFO to CNX in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC and 31ºC on average.

More about Chiang Mai

  • Once you've booked your flights from SFO to CNX, you'll want to find a hotel in Chiang Mai. Make one of these options your base for exploring this top destination:

  • Doi Suthep and Kalare Night Bazaar are just the start of the leading attractions to put on your Chiang Mai travel itinerary. Keep the adventure rolling by checking out Wat Phra Singh.

Complete your Chiang Mai trip with hotels and a car rental

  • After you've secured your cheap ticket to Chiang Mai International Airport, explore our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Chiang Mai getaway.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.