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Chiang Mai

$348+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CNX
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Chiang Mai are usually found in October 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 julio 29, 2025.

Round-trip from

$651
(oojo)

One-way from

$348
(SmartFares)

Popular in

June

Cheapest in

October

Average price

$1,269
From San Francisco to Chiang Mai
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One-way flight from San Francisco to Chiang Mai
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Highest demand for flights based on searches. 16% potential increase in price ($207 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 29, 2025.

This oojo deal was found by Cheapflights users on 7/29. 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.
lun. 9/811:30 pmSFO - CNX
1 stop34h 10mAsiana Airlines
mié. 9/1712:45 amCNX - SFO
1 stop28h 45mAsiana Airlines
Deal found 7/29$651
This oojo deal was found by Cheapflights users on 7/28. 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.
sáb. 11/112:45 pmSFO - CNX
1 stop43h 05mAir China
mar. 11/1811:05 pmCNX - SFO
1 stop25h 10mAir China
Deal found 7/28$659
This FlightHub deal was found by Cheapflights users on 7/27. 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.
sáb. 11/1512:00 pmSFO - CNX
1 stop35h 20mChina Eastern
mié. 11/263:35 pmCNX - SFO
1 stop32h 25mChina Eastern
Deal found 7/27$662
This Ovago deal was found by Cheapflights users on 7/29. 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.
mié. 8/61:10 pmSFO - CNX
1 stop20h 30mMultiple Airlines
mar. 9/1611:15 pmCNX - SFO
1 stop25h 25mMultiple Airlines
Deal found 7/29$767
This KAYAK deal was found by Cheapflights users on 7/27. 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.
sáb. 8/233:45 pmSFO - CNX
2 stops40h 10mKorean Air
lun. 9/111:15 pmCNX - SFO
1 stop25h 25mKorean Air
Deal found 7/27$778
This Delta deal was found by Cheapflights users on 7/28. 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.
sáb. 8/238:55 pmSFO - CNX
2 stops35h 00mDelta
lun. 9/111:15 pmCNX - SFO
2 stops34h 42mDelta
Deal found 7/28$789
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:40 pmSFO - CNX
1 stop19h 45mChina Airlines
mar. 11/1111:25 amCNX - SFO
1 stop22h 20mChina Airlines
Deal found 7/26$801
This oojo deal was found by Cheapflights users on 7/27. 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.
dom. 9/712:50 amSFO - CNX
1 stop25h 30mSTARLUX Airlines
jue. 9/185:20 pmCNX - SFO
1 stop17h 10mSTARLUX Airlines
Deal found 7/27$826
This FlightHub deal was found by Cheapflights users on 7/29. 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.
lun. 9/812:00 pmSFO - CNX
1 stop32h 15mSingapore Airlines
jue. 9/185:40 pmCNX - SFO
1 stop30h 00mSingapore Airlines
Deal found 7/29$829

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 julio 29, 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

lun. 9/8

11:30 pm-11:40 pm

1 stop34h 10m

Chiang Mai

mié. 9/17

12:45 am-3:30 pm

1 stop28h 45m

$651

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

mié. 8/6

1:10 pm-11:40 pm

1 stop20h 30m

Chiang Mai

mar. 9/16

11:15 pm-10:40 am

1 stop25h 25m

$767

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

sáb. 8/23

3:45 pm-9:55 pm

2 stops40h 10m

Chiang Mai

lun. 9/1

11:15 pm-10:40 am

1 stop25h 25m

$778

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

sáb. 8/23

4:35 pm-9:55 pm

2 stops39h 20m

Chiang Mai

lun. 9/1

11:15 pm-7:57 pm

2 stops34h 42m

$789

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

vie. 8/8

8:55 am-1:25 pm

2 stops38h 30m

Chiang Mai

jue. 8/21

4:20 pm-9:05 am

3 stops54h 45m

$793

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

dom. 9/7

12:50 am-4:20 pm

1 stop25h 30m

Chiang Mai

jue. 9/18

5:20 pm-8:30 pm

1 stop17h 10m

$826

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

lun. 9/8

12:00 pm-10:15 am

1 stop32h 15m

Chiang Mai

jue. 9/18

5:40 pm-9:40 am

1 stop30h 00m

$829

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

dom. 8/10

1:25 am-10:25 am

1 stop19h 00m

Chiang Mai

lun. 9/8

11:35 am-6:50 am

1 stop33h 15m

$866

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

sáb. 8/23

11:30 pm-11:40 pm

1 stop34h 10m

$348

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

lun. 8/18

10:00 am-7:25 am

2 stops55h 25m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
1
2

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 July 25, 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, April is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $1,010). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,624). 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 julio 29, 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.

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

What’s the top layover airport for flights from San Francisco to Chiang Mai?

Share of 1-stop round-trip flights from San Francisco to Chiang Mai chosen by Cheapflights users in the past 12 months, using the same layover each way.

Taipei City (TPE) – chosen by Cheapflights users on 60% of 1-stop itineraries from San Francisco to Chiang Mai on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Chiang Mai?

Average round-trip fare for 1-stop flights from San Francisco to Chiang Mai, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $810.

What’s the fastest layover option from San Francisco to Chiang Mai?

Shortest average travel time for 1-stop one-way flights from San Francisco to Chiang Mai, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 5h 53m.

Which airport typically offers the quickest layover for flights from San Francisco to Chiang Mai?

Average layover duration for 1-stop one-way flights from San Francisco to Chiang Mai, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 37m.

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 julio 29, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Korean 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.
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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
9.0
Wonderful
198 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
EVA Air
8.4
Very good
1,221 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
Korean Air
8.4
Very good
1,121 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
China Airlines
8.3
Very good
754 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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.
Asiana Airlines
8.2
Very good
465 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.8

Overall

9.0

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 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 $651. Other airlines that can offer you cheap pricing are Korean Air, from $778, and Delta, from $789. 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 Asiana Airlines. According to our data, you can fly for as low as $348. Users have also found prices from $440 and $471 on Cathay Pacific and STARLUX Airlines, 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, April is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $1,010). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,624). 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

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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$668Average$861FlexibilityNo cancel feeOn-time81%
China EasternCheapest$696Average$852FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$735Average$808FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$759Average$865FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$775Average$897FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$797Average$1,127FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$855Average$1,109FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$859Average$971FlexibilityNo cancel feeOn-time74%

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