Cheap flights from San Francisco (SFO) to Chiang Mai (CNX)

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The best prices from San Francisco to Chiang Mai are usually found in March or September, booked 56 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from
San Francisco (SFO) to Chiang Mai (CNX)

All the information you need to plan the best SFO to CNX flight in 2021: compare San Francisco to Chiang Mai flight prices with the expected peak season, weather and rainfall in Chiang Mai.
SFO - CNX
Price
$641 - $1,365
CNX
Temperature
84.2 - 98.6 °F
CNX
Rainfall
0.2 - 9.4 inches

Popular in

December

High demand for flights, 44% potential price rise

Cheapest in

March

Best time to find cheap flights, 17% potential price drop

Round-trip from

$641

From San Francisco to Chiang Mai

One-way from

$471

One-way flight from San Francisco to Chiang Mai

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Chiang Mai?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 13% on the overall cost on flights from San Francisco to Chiang Mai.

When is the cheapest time to fly from San Francisco to Chiang Mai (SFO - CNX)?

It’s typically best to fly out from San Francisco to Chiang Mai at noon. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from San Francisco to Chiang Mai in July, August 2021

The best prices found for SFO to CNX flights for July, August
8 Aug - 15 Aug
$2,182pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
8 Aug - 15 Aug
$3,122pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco

San Francisco to Chiang Mai 2021 flight deals

Cheap flights to Chiang Mai from San Francisco found for this year
1 Sep - 8 Sep
$823pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
6 Sep - 5 Oct
$838pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
4 Oct - 12 Oct
$864pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco

One-way flights to Chiang Mai from San Francisco

The cheapest one-way flights from San Francisco to Chiang Mai
6:45 pm - 4:45 am
Multiple Airlines
2 Stops
43h 00m
SFO - CNX
Multiple Airlines
$471
Kiwi.com
5:55 pm - 9:25 am
Multiple Airlines
2 Stops
24h 30m
SFO - CNX
Multiple Airlines
$546
Kiwi.com
6:30 pm - 2:30 am
Multiple Airlines
2 Stops
41h 00m
SFO - CNX
Multiple Airlines
$548
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Chiang Mai</span> flights.

Flight FAQs

From San Francisco to Chiang Mai

Are flight prices decreasing from San Francisco to Chiang Mai due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Chiang Mai for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from San Francisco to Chiang Mai have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Chiang Mai have new flexible policies in place due to COVID-19. EVA Air, China Eastern, and China Southern are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like EVA Air with this kind of flexibility.

Can I find flights from San Francisco to Chiang Mai for under $900 on Cheapflights?

Yes, there are multiple flights from San Francisco to Chiang Mai for under $900. The cheapest flight booked recently is on Multiple Airlines for just $823, but on average you can expect to pay $939.

Are there nonstop flights from San Francisco to Chiang Mai for under $800 on Cheapflights?

There are no nonstop flights from San Francisco to Chiang Mai, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

How popular is this flight route?

Flights from San Francisco to Chiang Mai have been viewed 14 times in the past calendar month.

Does it rain more in San Francisco or Chiang Mai?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in San Francisco is roughly less than Chiang Mai. You can assume this to be the case over the next 2 days.

Is San Francisco weather warmer or cooler than Chiang Mai?

Expect the weather to be around 99 °F on average in April. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Chiang Mai is generally hotter than in San Francisco.

How long is the flight from San Francisco to Chiang Mai?

Departing from San Francisco to Chiang Mai will take you 19h 25m.

What is the cheapest airline to fly from San Francisco to Chiang Mai round-trip?

Cheapflights users have booked flights from San Francisco to Chiang Mai round-trip from $935.

What are the cheapest airlines to fly from San Francisco to Chiang Mai one-way?

To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $1,747.

COVID Restrictions

View COVID Travel Restrictions for Chiang Mai, Thailand

Can I fly to Chiang Mai from San Francisco right now?

Information is based on travel restrictions from San Francisco to Chiang Mai

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Chiang Mai.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Chiang Mai.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Chiang Mai.

Can I fly back to San Francisco from Chiang Mai?

Returning to San Francisco from Chiang Mai

COVID-19 testing requirements
Visitors from Chiang Mai must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Chiang Mai are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Chiang Mai, Thailand

Alternative routes for San Francisco to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Chiang Mai

Things to know before you go - useful duration and weather info for your trip from San Francisco to Chiang Mai.
Today's exchange rate
$1 = ฿32.89
Average temperature for July in Chiang Mai
89.6 °F
Avg rainfall for July in Chiang Mai
5.6 ″

Airports servicing San Francisco

Airports servicing Chiang Mai

Top 8 airlines flying from San Francisco to Chiang Mai

The chart below displays the airlines Cheapflights users traveling from San Francisco to Chiang Mai choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
China Eastern
$481 $675 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Air China
$570 $740 No cancel fee 67%
Korean Air
$592 $754 No cancel fee 81%
China Southern
$450 $780 No cancel fee 69%

We couldn't confirm the COVID-19 safety measures taken by China Southern. Please check directly on their website for additional information.

EVA Air
$621 $867 No cancel fee 74%
ANA
$622 $868 No cancel fee 80%
Cathay Pacific
$643 $935 No cancel fee 72%
Delta
$610 $1,021 No cancel fee N/A
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