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 2022: 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
69.8 - 84.2 °F
CNX
Precipitation
0 - 9.8 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

$544

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.
How far in advance should I book a flight from San Francisco to Chiang Mai?

To save on the cost of your flight from San Francisco to Chiang Mai, book at least 55 days before your planned departure. Booking around this time can save you about 2% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $698 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $698.

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

When flying from San Francisco to Chiang Mai, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 20% versus a flight in the afternoon.

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chiang Mai. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from San Francisco to Chiang Mai?

The best pricing can be found in the month of March. Prices to Chiang Mai from San Francisco average $771. You can even find prices in March for less than $771, as users have found deals to Chiang Mai from as low as $532. The month of December appears to be one of the more expensive times to travel to Chiang Mai from San Francisco. Flying in the targeted month can save you up to 77%.

Cheap flights from San Francisco to Chiang Mai in January, February 2022

The best prices found for SFO to CNX flights for January, February
1 Feb - 30 Mar
$860pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
22 Feb - 7 Mar
$864pp
SFO
San Francisco
Singapore Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Singapore Airlines
 
1 STOP
SFO
San Francisco
22 Feb - 8 Mar
$878pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco

San Francisco to Chiang Mai 2022 flight deals

Cheap flights to Chiang Mai from San Francisco found for this year
10 Oct - 26 Oct
$742pp
SFO
San Francisco
EVA Air
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
EVA Air
 
1 STOP
SFO
San Francisco
9 Oct - 27 Oct
$750pp
SFO
San Francisco
EVA Air
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
EVA Air
 
1 STOP
SFO
San Francisco
9 Oct - 24 Oct
$775pp
SFO
San Francisco
EVA Air
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
EVA Air
 
1 STOP
SFO
San Francisco

Last minute flights from San Francisco to Chiang Mai

Late deals on round-trip flights to Chiang Mai from San Francisco, departing today and this week
23 Jan - 12 Feb
$1,164pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
23 Jan - 5 Feb
$1,313pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
SFO
San Francisco
23 Jan - 5 Feb
$1,370pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
     
3 STOPS
SFO
San Francisco

One-way flights to Chiang Mai from San Francisco

The cheapest one-way flights from San Francisco to Chiang Mai
8:45 pm - 6:25 am
EVA Air
1 Stop
19h 40m
SFO - CNX
EVA Air
$544
KAYAK
4:30 am - 9:15 am
Singapore Airlines
1 Stop
37h 45m
SFO - CNX
Singapore Airlines
$593
KAYAK
7:50 am - 5:20 am
Japan Airlines
2 Stops
31h 30m
SFO - CNX
Japan Airlines
$679
KAYAK

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

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 $860, but on average you can expect to pay $1,052.

Are there last-minute flights available from San Francisco to Chiang Mai for under $1,200?

There are currently 7+ open flights from San Francisco to Chiang Mai within the next 7 days for less than $1,200.

How popular is this San Francisco to Chiang Mai flight route?

The San Francisco to Chiang Mai flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from San Francisco to Chiang Mai round-trip?

Cheapflights users have booked flights from San Francisco to Chiang Mai round-trip from $864. Other airlines that can offer you cheap pricing are Japan Airlines, from $1,030, and Thai Airways, from $1,102.

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

For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $544. Users have also found prices from $592 and $679 on Singapore Airlines and Japan Airlines, respectively.

What are the cheapest flights from San Francisco to Chiang Mai?

While on average a flight from San Francisco to Chiang Mai is generally $803, our data shows the cheapest flight currently is $340. When looking at the most popular route, (San Francisco - Chiang Mai), you can expect to pay $883 for that flight.

What are the most popular airlines that fly from San Francisco to Chiang Mai?

Consider American Airlines, EVA Air or Air China when booking your flight. These represent the most popular airlines when flying from San Francisco to Chiang Mai.

COVID Restrictions

View COVID Travel Restrictions for Chiang Mai, Thailand

Do I need a COVID test to fly to Chiang Mai from San Francisco?

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.

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.

MorChana App - Alert application and contact tracing app to be used while in Thailand. Download via Apple Store or Google Play Store.


Do I need a test to 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 24 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 = ฿33.17
Average temperature for January in Chiang Mai
86.0 °F
Avg rainfall for January in Chiang Mai
0.2 ″

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 Southern
$450 $780 No cancel fee 69%
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%
Delta
$610 $1,021 No cancel fee N/A
EVA Air
$621 $867 No cancel fee 74%
ANA
$622 $868 No cancel fee 80%
Cathay Pacific
$643 $935 No cancel fee 72%
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