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$454+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SFO
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Chiang Mai to San Francisco

Best flights from Chiang Mai to San Francisco
Discover carefully curated flight deals from Chiang Mai to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This SmartFares deal was found by Cheapflights users on 12/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:40 pmCNX - SFO
2 stops23h 50mEVA Air
Wed 2/1811:50 pmSFO - CNX
1 stop19h 45mEVA Air
Deal found 12/27$827
This Trip.com deal was found by Cheapflights users on 12/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:20 pmCNX - SFO
2 stops35h 40mMultiple Airlines
Wed 2/1811:50 pmSFO - CNX
2 stops26h 00mMultiple Airlines
Deal found 12/27$861

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$827
(SmartFares)

One-way from

$454
(SmartFares)

Popular in

July

Cheapest in

May

Average price

$825
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. 15% potential increase in price ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 28, 2025.
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

Wed 2/11

9:40 pm-6:30 am

2 stops23h 50m

San Francisco

Wed 2/18

11:50 pm-10:35 am

1 stop19h 45m

$827

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 2/11

5:20 pm-2:00 pm

2 stops35h 40m

San Francisco

Wed 2/18

11:50 pm-4:50 pm

2 stops26h 00m

$861

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 4/7

5:20 pm-8:30 pm

1 stop17h 10m

$454

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Sat 4/4

3:30 pm-5:55 pm

2 stops40h 25m

$511

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 1/21

4:45 pm-10:34 am

2 stops32h 49m

$547

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 1/28

11:25 am-6:45 pm

1 stop22h 20m

$547

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Tue 4/7

11:30 pm-8:11 pm

3 stops34h 41m

$549

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Thu 1/29

11:25 am-6:45 pm

1 stop22h 20m

$551

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 1/21

10:35 am-9:00 pm

1 stop25h 25m

$633

Chiang MaiSan Francisco

CNX - SFO

CNXSFO

Chiang Mai

Wed 1/14

10:35 am-4:05 pm

1 stop20h 30m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 12 results
1
2

Compare providers for flights from Chiang Mai to San Francisco

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 Chiang Mai to San Francisco in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Chiang Mai-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chiang Mai-San Francisco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 28, 2025.
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
1,304 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,304 reviews
EVA Air
8.5
Very good
1,304 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.5

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 23h 50m. EVA Air provides one of the quickest options available for as low as $827. 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 $883. Users have found that EVA Air is 3% 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 $622 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
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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$883Average$1,093FlexibilityNo cancel feeOn-time74%

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