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Cheap flights from Chiang Mai to San Francisco from ฿14,577

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SFO
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to San Francisco
Explore the most affordable flight options available from Chiang Mai to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2026.

Tue 3/300:15
CNX
-
SFO
1 stop24h 15m
Korean Air
Mon 9/312:40
SFO
-
CNX
1 stop20h 15m
Korean Air
Deal found 11/2฿23,342
Mon 25/511:35
CNX
-
SFO
1 stop22h 35m
EVA Air
Mon 1/601:15
SFO
-
CNX
1 stop19h 10m
EVA Air
Deal found 10/2฿24,026
Thu 19/311:50
CNX
-
SFO
1 stop32h 50m
EVA Air
Tue 31/300:50
SFO
-
CNX
1 stop19h 35m
EVA Air
Deal found 11/2฿25,362
Wed 4/319:45
CNX
-
SFO
2 stops25h 45m
EVA Air
Sun 8/300:40
SFO
-
CNX
1 stop19h 55m
EVA Air
Deal found 11/2฿25,642

Find flight deals from Chiang Mai to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 February 2026.

Round-trip from

฿23,342

One-way from

฿14,577

Popular in

July

Cheapest in

May

Average price

฿24,865
Korean Air
  • Korean Air
  • 3/3-9/3
  • 2 total stops
  • 44h 30m total
  • Chiang Mai to San Francisco
Search Deals
China Airlines
  • China Airlines
  • 19/3
  • 1 total stop
  • 22h 20m total
  • Chiang Mai to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (฿150,608 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿20,867 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Mai to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 12 February 2026.
Use the filters below to find and compare flights from Chiang Mai to San Francisco that are best for you.

Fly from

Chiang Mai

Fly to

San Francisco

Route

Depart

Return

Price

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Mon 25/5

11:35-20:10

1 stop22h 35m

San Francisco

Mon 1/6

01:15-10:25

1 stop19h 10m

฿24,026

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 26/3

10:10-06:40

2 stops34h 30m

San Francisco

Thu 2/4

12:30-13:45

2 stops35h 15m

฿27,041

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 18/3

19:45-06:40

2 stops24h 55m

San Francisco

Fri 3/4

12:30-11:15

2 stops32h 45m

฿28,035

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sat 21/3

19:45-06:40

2 stops24h 55m

San Francisco

Fri 3/4

12:30-09:20

2 stops30h 50m

฿28,035

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 18/3

19:45-06:40

2 stops24h 55m

San Francisco

Sat 4/4

00:25-19:10

2 stops28h 45m

฿28,035

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 19/3

11:25-19:45

1 stop22h 20m

฿14,577

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 11/3

11:25-19:45

1 stop22h 20m

฿14,888

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 22/4

11:20-19:55

1 stop22h 35m

฿15,168

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 19/3

19:40-19:45

2 stops38h 05m

฿15,914

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 1/4

19:25-06:35

2 stops49h 10m

฿16,131

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Chiang Mai to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Chiang Mai with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to San Francisco

What is the cheapest month to book a flight from Chiang Mai to San Francisco?

Currently, May is the cheapest month in which you can book a flight from Chiang Mai to San Francisco (average of ฿24,150). Flying from Chiang Mai to San Francisco in August is currently the most expensive (average of ฿34,780). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 12 February 2026.
Get a feel of what it's like to fly with EVA Air from Chiang Mai to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,353 reviews
EVA Air
8.4
Very Good
1,353 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like EVA Air fly from Chiang Mai to San Francisco in about 22h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Chiang Mai to San Francisco is about 12390 km.

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

    EVA Air, at ฿24,594, was found to be the cheapest airline from Chiang Mai to San Francisco.. You may be able to fly from Chiang Mai to San Francisco for 14% less than the average price by searching for this airline.

  • Can I find deals for flights from Chiang Mai to San Francisco that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to San Francisco.

  • Can I find deals for business class flights from Chiang Mai to San Francisco?

    Yes. Cheapflights offers flight deals from Chiang Mai to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chiang Mai to San Francisco?

    Currently, May is the cheapest month in which you can book a flight from Chiang Mai to San Francisco (average of ฿24,150). Flying from Chiang Mai to San Francisco in August is currently the most expensive (average of ฿34,780). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
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Fly from Chiang Mai to San Francisco on these airlines

Choose from the following airlines for your flight from Chiang Mai to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 12 February 2026.
EVA Air flights from Chiang Mai to San Francisco

Top airline flying from Chiang Mai to San Francisco

Discover the top airline that operate flights from Chiang Mai to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿24,594Average฿24,871FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Chiang Mai to San Francisco?

Deals for Chiang Mai to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Chiang Mai to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Chiang Mai to San Francisco with no change fees?

Yes, we can. To see specific flights from Chiang Mai to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Chiang Mai to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Chiang Mai today and book when prices fit your budget.

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