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Cheap flights from Chiang Mai to San Francisco from ฿20,449

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SFO
17 Jul — 24 Jul1
1 adult

Cheap 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 July 2025.

Round-trip from

฿25,805

One-way from

฿20,449

Popular in

January

Cheapest in

December

Average price

฿37,717
China Airlines
  • China Airlines
  • 26/8-1/9
  • 2 total stops
  • 42h 25m total
  • Chiang Mai to San Francisco
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23/7
  • 23/7
  • 1 total stop
  • 30h 45m total
  • Chiang Mai to San Francisco
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿28,033 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿63,111 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Chiang Mai to San Francisco

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 July 2025.

Tue 26/811:20CNX - SFO
1 stop23h 10mChina Airlines
Mon 1/901:05SFO - CNX
1 stop19h 15mChina Airlines
Deal found 12/7฿25,805
Tue 26/806:30CNX - SFO
2 stops28h 20mMultiple Airlines
Tue 2/923:30SFO - CNX
1 stop34h 10mMultiple Airlines
Deal found 12/7฿26,941
Sat 23/800:45CNX - SFO
1 stop29h 15mAsiana Airlines
Sun 31/823:30SFO - CNX
1 stop34h 10mAsiana Airlines
Deal found 10/7฿28,661
Sun 24/811:35CNX - SFO
1 stop19h 00mEVA Air
Sat 30/801:25SFO - CNX
1 stop19h 00mEVA Air
Deal found 10/7฿34,114
Mon 11/819:25CNX - SFO
1 stop17h 30mCathay Pacific
Fri 15/800:05SFO - CNX
1 stop19h 40mCathay Pacific
Deal found 10/7฿54,628

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 July 2025.
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

Tue 26/8

11:20-20:30

1 stop23h 10m

San Francisco

Mon 1/9

01:05-10:20

1 stop19h 15m

฿25,805

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 26/8

06:30-20:50

2 stops28h 20m

San Francisco

Tue 2/9

23:30-23:40

1 stop34h 10m

฿26,941

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sat 23/8

00:45-16:00

1 stop29h 15m

San Francisco

Sun 31/8

23:30-23:40

1 stop34h 10m

฿28,661

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sun 24/8

11:35-16:35

1 stop19h 00m

San Francisco

Sat 30/8

01:25-10:25

1 stop19h 00m

฿34,114

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Mon 11/8

19:25-22:55

1 stop17h 30m

San Francisco

Fri 15/8

00:05-09:45

1 stop19h 40m

฿54,628

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 23/7

23:15-16:00

1 stop30h 45m

฿20,449

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 30/7

00:45-16:00

1 stop29h 15m

฿22,461

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 23/7

23:15-00:03

2 stops38h 48m

฿23,143

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 23/7

10:05-09:05

3 stops37h 00m

฿23,727

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 7/8

11:35-07:20

1 stop33h 45m

฿26,389

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 13 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.

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 July 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, andChina Airlines 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
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,107 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
744 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very Good
454 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
เดลต้า
8.0
Very Good
7,950 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Boarding

8.4

Overall

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    China Airlines, at ฿25,805, was found to be the cheapest airline from Chiang Mai to San Francisco.Alternate airlines to your destination round-trip include Asiana Airlines and EVA Air. You may be able to fly from Chiang Mai to San Francisco for 18% less than the average price by searching for these airlines.

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

    ฿22,461 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on เดลต้า and China Eastern, with prices starting from ฿23,143 and ฿23,727, respectively.

  • 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.

See more FAQs

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

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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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