Chiang Mai

$436+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CNX
Feb 25 — Mar 41
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Find cheap flights from San Francisco to Chiang Mai with Cheapflights

1. Tell us where you want to go
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The best prices from San Francisco to Chiang Mai are usually found in September or February, 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$658
(oojo)

One-way from

$449
(SmartFares)

Popular in

June

Cheapest in

September

Average price

$892
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. 15% potential increase in price ($196 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 20, 2025.

This oojo deal was found by Cheapflights users on 2/20. 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.
Thu 3/131:00 pmSFO - CNX
1 stop35h 20mChina Eastern
Tue 4/14:20 pmCNX - SFO
3 stops55h 10mChina Eastern
Deal found 2/20$658
This oojo deal was found by Cheapflights users on 2/19. 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 3/312:10 pmSFO - CNX
1 stop19h 55mAsiana Airlines
Sun 3/912:25 amCNX - SFO
1 stop24h 45mAsiana Airlines
Deal found 2/19$727
This oojo deal was found by Cheapflights users on 2/19. 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 3/49:40 amSFO - CNX
1 stop40h 10mSingapore Airlines
Tue 5/64:00 pmCNX - SFO
1 stop31h 40mSingapore Airlines
Deal found 2/19$769
This oojo deal was found by Cheapflights users on 2/19. 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 3/410:55 pmSFO - CNX
1 stop28h 55mCathay Pacific
Tue 3/117:40 pmCNX - SFO
1 stop16h 35mCathay Pacific
Deal found 2/19$798
This SmartFares deal was found by Cheapflights users on 2/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:45 amSFO - CNX
2 stops27h 25mMultiple Airlines
Wed 8/279:10 pmCNX - SFO
2 stops33h 45mMultiple Airlines
Deal found 2/20$806
This oojo deal was found by Cheapflights users on 2/19. 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 3/311:40 amSFO - CNX
1 stop20h 25mKorean Air
Mon 3/103:20 pmCNX - SFO
1 stop33h 10mKorean Air
Deal found 2/19$811
This STARLUX Airlines deal was found by Cheapflights users on 2/20. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:50 amSFO - CNX
1 stop25h 30mSTARLUX Airlines
Mon 5/125:20 pmCNX - SFO
1 stop17h 10mSTARLUX Airlines
Deal found 2/20$839
This Delta deal was found by Cheapflights users on 2/20. 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 3/136:05 amSFO - CNX
2 stops42h 00mDelta
Mon 4/711:15 pmCNX - SFO
2 stops37h 15mDelta
Deal found 2/20$862
This oojo deal was found by Cheapflights users on 2/19. 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.
Sat 4/1212:35 amSFO - CNX
1 stop19h 50mChina Southern
Sun 4/276:50 pmCNX - SFO
2 stops39h 40mChina Southern
Deal found 2/19$894
This oojo deal was found by Cheapflights users on 2/19. 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.
Wed 4/1612:50 amSFO - CNX
1 stop19h 35mEVA Air
Thu 5/1511:35 amCNX - SFO
1 stop22h 35mEVA Air
Deal found 2/19$906
This oojo deal was found by Cheapflights users on 2/19. 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.
Thu 5/11:05 amSFO - CNX
1 stop19h 15mChina Airlines
Sun 5/1111:20 amCNX - SFO
1 stop22h 35mChina Airlines
Deal found 2/19$912

Find flights from San Francisco to Chiang Mai within your budget

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 February 20, 2025.

Fly from

San Francisco

Fly to

Chiang Mai

Route

Depart

Return

Price

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 3/13

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Tue 4/1

4:20 pm-9:30 am

3 stops55h 10m

$658

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/3

12:10 pm-11:05 pm

1 stop19h 55m

Chiang Mai

Sun 3/9

12:25 am-11:10 am

1 stop24h 45m

$727

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 3/4

9:40 am-4:50 pm

1 stop40h 10m

Chiang Mai

Tue 5/6

4:00 pm-9:40 am

1 stop31h 40m

$769

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 3/4

10:55 pm-6:50 pm

1 stop28h 55m

Chiang Mai

Tue 3/11

7:40 pm-10:15 pm

1 stop16h 35m

$798

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/3

11:40 am-2:05 pm

1 stop35h 25m

Chiang Mai

Tue 3/11

3:20 pm-10:30 am

1 stop33h 10m

$811

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/3

12:20 am-9:20 am

2 stops42h 00m

Chiang Mai

Wed 6/4

9:10 pm-4:35 pm

2 stops33h 25m

$816

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 5/1

12:50 am-4:20 pm

1 stop25h 30m

Chiang Mai

Mon 5/12

5:20 pm-8:30 pm

1 stop17h 10m

$839

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Thu 3/13

6:05 am-2:05 pm

2 stops42h 00m

Chiang Mai

Mon 4/7

11:15 pm-10:30 pm

2 stops37h 15m

$862

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 4/12

12:35 am-10:25 am

1 stop19h 50m

Chiang Mai

Sun 4/27

6:50 pm-8:30 pm

2 stops39h 40m

$894

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 4/16

12:50 am-10:25 am

1 stop19h 35m

Chiang Mai

Thu 5/15

11:35 am-8:10 pm

1 stop22h 35m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 results
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice 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.

Travel insights for flights from San Francisco to Chiang Mai

Get recent, data-driven insights about flights from San Francisco to Chiang Mai including ideal travel times, pricing trends, and more.

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 February 14, 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 $1,041). 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 February 20, 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 February 20, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air and Korean Air from San Francisco to Chiang Mai have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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.

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Entertainment

9.1

Food

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 $658. Other airlines that can offer you cheap pricing are Asiana Airlines, from $727, and Singapore Airlines, from $769. You may be able to fly from San Francisco to Chiang Mai for 36% 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 Cathay Pacific. According to our data, you can fly for as low as $449. Users have also found prices from $463 and $534 on Korean Air and EVA 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 $1,041). 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

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Alternative routes for San Francisco to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$696Average$879FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$735Average$793FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$785Average$1,066FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$788Average$930FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$810Average$866FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$867Average$995FlexibilityNo cancel feeOn-time74%
STARLUX AirlinesCheapest$871Average$1,227FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$941Average$1,100FlexibilityNo cancel feeOn-time81%
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