Chiang Mai

$496+ Cheap flights from San Francisco (SFO) to Chiang Mai (CNX)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CNX
Jun 9 — Jun 161
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Cheap flight deals from San Francisco to Chiang Mai

Cheapest flights from San Francisco to Chiang Mai
Explore the most affordable flight options available from San Francisco to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This China Eastern deal was found by Cheapflights users on 5/7. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:00 pm
SFO
-
CNX
1 stop35h 20m
China Eastern
Wed 11/114:25 pm
CNX
-
SFO
2 stops31h 35m
China Eastern
Deal found 5/7$763
This KAYAK deal was found by Cheapflights users on 5/9. 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 11/2312:00 pm
SFO
-
CNX
1 stop35h 20m
China Eastern
Wed 12/93:35 pm
CNX
-
SFO
1 stop32h 25m
China Eastern
Deal found 5/9$807
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:00 pm
SFO
-
CNX
1 stop35h 25m
China Eastern
Fri 10/232:55 pm
CNX
-
SFO
1 stop32h 10m
China Eastern
Deal found 5/5$810
This FlightHub deal was found by Cheapflights users on 5/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:00 pm
SFO
-
CNX
1 stop35h 20m
China Eastern
Wed 12/93:35 pm
CNX
-
SFO
1 stop32h 25m
China Eastern
Deal found 5/9$811
This KAYAK deal was found by Cheapflights users on 5/9. 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 11/2312:00 pm
SFO
-
CNX
1 stop35h 20m
China Eastern
Fri 12/410:05 am
CNX
-
SFO
3 stops37h 55m
China Eastern
Deal found 5/9$814
This Ovago deal was found by Cheapflights users on 5/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am
SFO
-
CNX
2 stops40h 20m
China Eastern
Fri 12/43:35 pm
CNX
-
SFO
1 stop32h 25m
China Eastern
Deal found 5/9$818
This KAYAK deal was found by Cheapflights users on 5/9. 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 11/2312:00 pm
SFO
-
CNX
2 stops30h 05m
China Eastern
Tue 12/84:25 pm
CNX
-
SFO
3 stops55h 35m
China Eastern
Deal found 5/9$821
This Justfly.com deal was found by Cheapflights users on 5/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 pm
SFO
-
CNX
1 stop35h 20m
China Eastern
Sat 11/144:25 pm
CNX
-
SFO
2 stops55h 35m
China Eastern
Deal found 5/7$826

Find flight deals from San Francisco to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Chiang Mai (CNX). 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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$810
(FlightHub)

One-way from

$496
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,272
Provider with most accurate pricing for San Francisco-Chiang Mai flight deals.
Provider most trusted by Cheapflights users for San Francisco-Chiang Mai flights.
From San Francisco to Chiang Mai
One-way flight from San Francisco to Chiang Mai
Highest demand for flights based on searches. 3% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Chiang Mai 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 May 10, 2026.
Use the filters below to find and compare flights from San Francisco to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/14

12:00 pm-9:15 am

3 stops31h 15m

Chiang Mai

Fri 10/23

10:05 am-9:05 am

3 stops37h 00m

$814

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 10/19

12:00 pm-9:15 am

2 stops31h 15m

Chiang Mai

Thu 10/29

10:05 am-10:00 am

2 stops61h 55m

$821

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 10/29

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Mon 11/2

3:35 pm-3:08 pm

2 stops38h 33m

$906

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 10/19

1:00 pm-6:40 pm

1 stop39h 40m

Chiang Mai

Thu 10/29

10:35 am-10:15 pm

1 stop25h 40m

$1,004

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 10/13

11:45 am-4:35 pm

1 stop38h 50m

Chiang Mai

Wed 10/21

11:30 am-9:50 am

1 stop36h 20m

$1,016

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 10/12

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Fri 11/6

11:25 am-8:25 am

2 stops36h 00m

$1,225

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 7/22

6:45 pm-6:40 pm

2 stops33h 55m

Chiang Mai

Tue 8/11

5:35 pm-1:40 pm

3 stops34h 05m

$1,385

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Fri 10/16

1:00 pm-8:45 pm

2 stops65h 45m

Chiang Mai

Thu 11/5

12:15 am-8:25 am

2 stops47h 10m

$1,393

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 7/19

1:25 am-10:25 am

1 stop19h 00m

Chiang Mai

Sun 7/26

8:00 pm-7:20 am

2 stops25h 20m

$1,557

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 6/2

4:30 pm-1:40 pm

3 stops31h 10m

Chiang Mai

Thu 6/18

10:20 pm-7:55 pm

2 stops35h 35m

$1,746

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Francisco to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Chiang Mai in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Chiang Mai 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 San Francisco-Chiang Mai 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 San Francisco to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from San Francisco 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 San Francisco to Chiang Mai

How far ahead should I book a flight from San Francisco to Chiang Mai?

The price you pay for your flight from San Francisco to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $732). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,403). 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.

How much does it cost to fly round-trip from San Francisco to Chiang Mai?

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated May 10, 2026.
Read reviews from past customers who have flown STARLUX Airlines,EVA Air, andKorean Air from San Francisco to Chiang Mai. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Entertainment

8.8

Comfort

8.9

Crew

9.2

Boarding

9.0

Food

8.7

Overall

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Chiang Mai. 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 San Francisco to Chiang Mai?

    Departing from San Francisco to Chiang Mai will take you 31h 15m. San Francisco and Chiang Mai are separated by a distance of 7699 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $637. Other airlines that can offer you cheap pricing are China Airlines, from $682, and STARLUX Airlines, from $766. You may be able to fly from San Francisco to Chiang Mai for 37% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $373. Users have also found prices from $418 and $420 on China Airlines and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Chiang Mai 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 San Francisco to Chiang Mai?

    Currently, March is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $732). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,403). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from San Francisco to Chiang Mai

Discover the top 5 airlines that operate flights from San Francisco to Chiang Mai. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$637Average$733FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$682Average$760FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$766Average$781FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$795Average$1,122FlexibilityNo cancel feeOn-time72%
EVA AirCheapest$800Average$934FlexibilityNo cancel feeOn-time74%

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