HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$481+ Cheap flights from Chiang Mai (CNX) to San Francisco (SFO)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SFO
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 February 3, 2026.

This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:35 am
CNX
-
SFO
1 stop22h 35m
EVA Air
Wed 10/712:30 pm
SFO
-
CNX
1 stop31h 55m
EVA Air
Deal found 2/3$778
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:35 am
CNX
-
SFO
1 stop22h 35m
EVA Air
Sun 7/121:00 am
SFO
-
CNX
1 stop19h 25m
EVA Air
Deal found 2/2$783
This EVA Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:00 pm
CNX
-
SFO
2 stops24h 45m
EVA Air
Sat 9/261:00 am
SFO
-
CNX
2 stops28h 10m
EVA Air
Deal found 2/2$896
This KAYAK deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:35 am
CNX
-
SFO
1 stop22h 35m
Multiple Airlines
Tue 6/28:45 pm
SFO
-
CNX
2 stops23h 40m
Multiple Airlines
Deal found 2/3$972
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:20 am
CNX
-
SFO
1 stop22h 35m
China Airlines
Mon 6/11:05 am
SFO
-
CNX
1 stop19h 15m
China Airlines
Deal found 2/3$990
This China Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:20 am
CNX
-
SFO
1 stop22h 35m
China Airlines
Sat 9/261:05 am
SFO
-
CNX
1 stop19h 15m
China Airlines
Deal found 2/2$996

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$783
(oojo)

One-way from

$481
(FlightHub)

Popular in

July

Cheapest in

May

Average price

$800
Provider with most accurate pricing for Chiang Mai-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-San Francisco flights.
Search Deals
From Chiang Mai to San Francisco
Search Deals
One-way flight from Chiang Mai to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 3, 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

Fri 5/1

11:35 am-8:10 pm

1 stop22h 35m

San Francisco

Sun 7/12

1:00 am-10:25 am

1 stop19h 25m

$783

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Mon 5/25

11:35 am-8:10 pm

1 stop22h 35m

San Francisco

Tue 6/2

8:45 pm-10:25 am

2 stops23h 40m

$972

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Mon 5/25

11:20 am-7:55 pm

1 stop22h 35m

San Francisco

Mon 6/1

1:05 am-10:20 am

1 stop19h 15m

$1,008

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Fri 5/1

7:25 pm-3:22 pm

3 stops33h 57m

San Francisco

Mon 7/13

12:00 pm-9:15 am

2 stops31h 15m

$1,173

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Fri 5/1

10:05 am-9:05 am

3 stops37h 00m

San Francisco

Mon 7/13

12:00 pm-9:15 am

3 stops55h 15m

$1,269

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 4/22

11:20 am-7:55 pm

1 stop22h 35m

$481

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 2/11

6:35 am-5:00 pm

2 stops25h 25m

$513

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 2/10

7:40 pm-2:50 pm

2 stops34h 10m

$528

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 2/12

10:50 pm-5:00 pm

2 stops57h 10m

$534

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 3/12

4:55 pm-8:00 pm

1 stop17h 05m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Chiang Mai-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $777). Flying from Chiang Mai to San Francisco in August is currently the most expensive (average of $1,119). 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 February 3, 2026.
Read through reviews of airlines operating flights from Chiang Mai to San Francisco, such as EVA Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,342 reviews

Comfort

8.3

Crew

8.6

Overall

8.5

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.5
Very good
1,342 reviews
EVA Air
8.5
Very good
1,342 reviews

Comfort

8.3

Crew

8.6

Overall

8.5

Boarding

8.4

Food

8.1

Entertainment

8.0

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?

    A quick flight from Chiang Mai to San Francisco can take about 22h 35m. EVA Air provides one of the quickest options available for as low as $783. Airlines will cover a distance of 7699 mi.

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

    Cheapflights users have booked flights from Chiang Mai to San Francisco round-trip from $809. Users have found that EVA Air is 12% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with STARLUX Airlines, which is currently one of the cheapest options available, starting at $435. China Airlines flights start at $465 while deals on Cathay Pacific start at $625 one-way.

  • 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 vacation 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 $777). Flying from Chiang Mai to San Francisco in August is currently the most expensive (average of $1,119). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Roseville
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
San Lorenzo
Davis
Hollister
Redwood City
Manteca
Union City
Elk Grove

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.

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 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$809Average$1,085FlexibilityNo cancel feeOn-time74%

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.