Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to San Francisco from ฿16,755

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SFO
20 Jun — 27 Jun1
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 15 June 2025.

Round-trip from

฿30,507

One-way from

฿16,755

Popular in

January

Cheapest in

December

Average price

฿31,315
Asiana Airlines
  • Asiana Airlines
  • 6/7-17/7
  • 2 total stops
  • 63h 50m total
  • Chiang Mai to San Francisco
25/6
  • 25/6
  • 2 total stops
  • 23h 25m total
  • Chiang Mai to San Francisco
Highest demand for flights based on searches. 1% potential increase in price (฿13,990 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (฿61,036 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 15 June 2025.

Sun 6/700:20CNX - SFO
1 stop29h 40mAsiana Airlines
Thu 17/723:30SFO - CNX
1 stop34h 10mAsiana Airlines
Deal found 13/6฿30,507
Mon 7/723:15CNX - SFO
2 stops47h 40mเดลต้า
Sat 19/717:08SFO - CNX
2 stops38h 47mเดลต้า
Deal found 13/6฿31,702
Tue 8/720:00CNX - SFO
2 stops25h 20mEVA Air
Fri 18/713:00SFO - CNX
1 stop31h 25mEVA Air
Deal found 13/6฿33,187
Tue 8/723:15CNX - SFO
1 stop30h 45mMultiple Airlines
Fri 18/723:30SFO - CNX
1 stop34h 10mMultiple Airlines
Deal found 13/6฿33,381
Thu 10/719:25CNX - SFO
1 stop17h 30mCathay Pacific
Tue 15/701:05SFO - CNX
1 stop27h 35mCathay Pacific
Deal found 13/6฿34,091
Wed 9/711:20CNX - SFO
1 stop23h 10mChina Airlines
Mon 21/720:50SFO - CNX
2 stops23h 30mChina Airlines
Deal found 13/6฿40,709
Sun 6/723:15CNX - SFO
2 stops47h 40mKorean Air
Wed 16/713:10SFO - CNX
1 stop18h 45mKorean Air
Deal found 13/6฿40,773
Thu 10/717:20CNX - SFO
1 stop17h 40mSTARLUX Airlines
Thu 17/700:50SFO - CNX
1 stop25h 30mSTARLUX Airlines
Deal found 13/6฿56,140
Wed 9/711:15CNX - SFO
1 stop23h 00mSingapore Airlines
Sat 19/722:05SFO - CNX
1 stop28h 35mSingapore Airlines
Deal found 13/6฿103,532
Sun 6/720:00CNX - SFO
2 stops58h 10mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 21/719:30SFO - CNX
2 stops28h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 13/6฿132,005
Tue 8/716:20CNX - SFO
3 stops54h 45mChina Eastern
Fri 18/708:55SFO - CNX
2 stops38h 30mChina Eastern
Deal found 13/6฿296,584

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 15 June 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

Sun 6/7

00:20-16:00

1 stop29h 40m

San Francisco

Thu 17/7

23:30-23:40

1 stop34h 10m

฿30,507

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Mon 7/7

23:15-08:55

2 stops47h 40m

San Francisco

Mon 21/7

10:12-21:55

2 stops45h 43m

฿31,702

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 8/7

20:00-07:20

2 stops25h 20m

San Francisco

Fri 18/7

13:00-10:25

1 stop31h 25m

฿33,187

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 8/7

23:15-16:00

1 stop30h 45m

San Francisco

Fri 18/7

23:30-23:40

1 stop34h 10m

฿33,381

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 10/7

19:25-22:55

1 stop17h 30m

San Francisco

Tue 15/7

01:05-18:40

1 stop27h 35m

฿34,091

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 9/7

11:20-20:30

1 stop23h 10m

San Francisco

Mon 21/7

20:50-10:20

2 stops23h 30m

฿40,709

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sun 6/7

23:15-08:55

2 stops47h 40m

San Francisco

Tue 15/7

13:10-21:55

1 stop18h 45m

฿40,773

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 10/7

17:20-21:00

1 stop17h 40m

San Francisco

Thu 17/7

00:50-16:20

1 stop25h 30m

฿56,140

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 9/7

11:15-20:15

1 stop23h 00m

San Francisco

Sat 19/7

22:05-16:40

1 stop28h 35m

฿103,532

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sun 6/7

20:00-16:10

2 stops58h 10m

San Francisco

Mon 21/7

19:30-13:45

2 stops28h 15m

฿132,005

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 19 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

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 15 June 2025.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Overall

9.1

Entertainment

8.9

Crew

9.3

Food

8.8

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    Asiana Airlines, at ฿30,507, was found to be the cheapest airline from Chiang Mai to San Francisco.Alternate airlines to your destination round-trip include เดลต้า and EVA Air. You may be able to fly from Chiang Mai to San Francisco for 4% 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?

    ฿19,822 is the cheapest one-way deal found within the past few days, from แอร์แคนาดา. You may also be able to find cheap deals on Cathay Pacific and Asiana Airlines, with prices starting from ฿20,726 and ฿21,630, 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

Travelling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Hayward

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.