HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$481+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CNX
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Chiang Mai 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.

Cheapflights Tip: The best prices from San Francisco to Chiang Mai are usually found in February or September, booked 22 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$783
(FlightHub)

One-way from

$481
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$945
Provider with most accurate pricing for San Francisco-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Chiang Mai flights.
Search Deals
From San Francisco to Chiang Mai
Search Deals
One-way flight from San Francisco to Chiang Mai
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find 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 March 26, 2025.

This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sun 4/201:05 amSFO - CNX
1 stop19h 15mChina Airlines
Wed 5/711:20 amCNX - SFO
1 stop22h 35mChina Airlines
Deal found 3/25$783
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Tue 4/2211:30 pmSFO - CNX
1 stop34h 10mAsiana Airlines
Tue 8/2612:45 amCNX - SFO
1 stop29h 15mAsiana Airlines
Deal found 3/25$786
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sat 4/1912:00 pmSFO - CNX
1 stop35h 25mChina Eastern
Wed 5/72:55 pmCNX - SFO
1 stop32h 10mChina Eastern
Deal found 3/25$828
This Korean Air deal was found by Cheapflights users on 3/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:40 amSFO - CNX
1 stop20h 25mKorean Air
Wed 11/263:20 pmCNX - SFO
1 stop33h 10mKorean Air
Deal found 3/25$832
This oojo deal was found by Cheapflights users on 3/26. 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.
Sun 4/2012:50 amSFO - CNX
1 stop19h 35mEVA Air
Thu 5/111:35 amCNX - SFO
1 stop22h 35mEVA Air
Deal found 3/26$868
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Sun 4/201:05 amSFO - CNX
1 stop19h 15mMultiple Airlines
Thu 5/112:20 pmCNX - SFO
2 stops21h 35mMultiple Airlines
Deal found 3/26$875
This FlightHub deal was found by Cheapflights users on 3/24. 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 10/211:30 amSFO - CNX
1 stop39h 10mSingapore Airlines
Sat 10/115:40 pmCNX - SFO
1 stop30h 00mSingapore Airlines
Deal found 3/24$877
This Ovago deal was found by Cheapflights users on 3/25. 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.
Tue 4/1512:50 amSFO - CNX
1 stop25h 30mSTARLUX Airlines
Tue 4/295:20 pmCNX - SFO
1 stop17h 10mSTARLUX Airlines
Deal found 3/25$893
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:05 amSFO - CNX
2 stops25h 50mDelta
Thu 5/811:15 pmCNX - SFO
2 stops38h 49mDelta
Deal found 3/25$978

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 March 26, 2025.
Use the filters below to find and compare flights from San Francisco to Chiang Mai that are best for you.

Fly from

San Francisco

Fly to

Chiang Mai

Route

Depart

Return

Price

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 4/20

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Wed 5/7

11:20 am-7:55 pm

1 stop22h 35m

$783

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 4/22

11:30 pm-11:40 pm

1 stop34h 10m

Chiang Mai

Tue 8/26

12:45 am-4:00 pm

1 stop29h 15m

$786

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 4/19

12:00 pm-1:25 pm

1 stop35h 25m

Chiang Mai

Wed 5/7

2:55 pm-9:05 am

1 stop32h 10m

$828

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 4/20

12:50 am-10:25 am

1 stop19h 35m

Chiang Mai

Thu 5/1

11:35 am-8:10 pm

1 stop22h 35m

$868

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 4/20

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Thu 5/1

12:20 pm-7:55 pm

2 stops21h 35m

$875

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 4/15

12:50 am-4:20 pm

1 stop25h 30m

Chiang Mai

Tue 4/29

5:20 pm-8:30 pm

1 stop17h 10m

$893

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 4/20

12:55 pm-9:45 am

1 stop30h 50m

Chiang Mai

Thu 5/1

7:25 pm-11:15 am

1 stop29h 50m

$930

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 4/17

6:05 am-9:55 pm

2 stops25h 50m

Chiang Mai

Thu 5/8

11:15 pm-12:04 am

2 stops38h 49m

$978

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 4/20

11:30 am-4:40 pm

1 stop39h 10m

Chiang Mai

Tue 5/6

5:40 pm-9:40 am

1 stop30h 00m

$1,022

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 4/10

12:35 am-5:50 pm

2 stops27h 15m

Chiang Mai

Wed 5/14

6:50 pm-8:30 pm

2 stops39h 40m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 20 results
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Chiang Mai. Price data was last updated on March 21, 2025.

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 22 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, February is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $1,015). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,678). 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.

What is the cheapest time of day to fly from SFO to CNX?

Find hourly flight availability from San Francisco to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

When flying from San Francisco to Chiang Mai, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 5% versus a flight in the morning.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 March 26, 2025.
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,171 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,049 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very good
441 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Boarding

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

  • 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 $783. Other airlines that can offer you cheap pricing are Asiana Airlines, from $786, and China Eastern, from $828. You may be able to fly from San Francisco to Chiang Mai for 25% 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 Asiana Airlines. According to our data, you can fly for as low as $485. Users have also found prices from $512 and $542 on China Eastern and Korean Air, 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, February is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $1,015). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,678). 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

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

Alternative routes for San Francisco to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Suvarnabhumi flights
San Francisco to Suvarnabhumi flights
Ontario to Suvarnabhumi flights
San Jose to Suvarnabhumi flights
Los Angeles to Don Mueang Intl flights
Las Vegas to Suvarnabhumi flights
Oakland to Suvarnabhumi flights
Burbank to Suvarnabhumi flights
Santa Ana to Suvarnabhumi flights
San Francisco to Don Mueang Intl flights
Los Angeles to Phuket City flights
San Diego to Suvarnabhumi flights
San Francisco to Phuket City flights
Los Angeles to Chiang Mai flights
Sacramento to Suvarnabhumi flights
Ontario to Phuket City flights
Los Angeles to Ko Samui flights
San Jose to Phuket City flights
Burbank to Phuket City flights
Santa Ana to Phuket City flights
Oakland to Phuket City flights
Santa Rosa to Suvarnabhumi flights
Ontario to Chiang Mai flights
Long Beach to Suvarnabhumi flights
Las Vegas to Phuket City flights
Reno to Suvarnabhumi flights
Medford to Suvarnabhumi flights
Las Vegas to Don Mueang Intl flights
San Jose to Chiang Mai flights
San Francisco to Ko Samui flights
Oakland to Chiang Mai flights
Los Angeles to Krabi flights
San Diego to Phuket City flights
Fresno to Suvarnabhumi flights
San Jose to Ko Samui flights
Sacramento to Phuket City flights
San Jose to Don Mueang Intl flights
San Francisco to Krabi flights
San Diego to Ko Samui flights
Palm Springs to Suvarnabhumi flights
Monterey to Suvarnabhumi flights
San Diego to Don Mueang Intl flights
San Francisco to Surat Thani flights
Los Angeles to Lampang flights

Top 8 airlines flying from San Francisco to Chiang Mai

Discover the top 8 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$696Average$879FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$735Average$793FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$785Average$1,056FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$788Average$908FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$810Average$864FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$855Average$1,083FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$864Average$987FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$871Average$1,181FlexibilityNo cancel feeOn-timeN/A
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.