฿11,530 Cheap Flights from San Francisco (SFO) to Chiang Mai (CNX)

View ฿11,530 flight on Tue, 23 Sep 2025Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Chiang Mai Intl. Airport (CNX)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from San Francisco (SFO) to Chiang Mai (CNX)

Prices were available within the past 7 days and start at ฿11,530 for one-way flights and ฿21,790 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿21,790 Return, found 6 hours ago
฿21,790
Return
found 6 hours ago
Select Korean Air flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿21,790 found 6 hours ago
Korean Air
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿22,330 Return, found 6 hours ago
฿22,330
Return
found 6 hours ago
Select Korean Air flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿22,330 found 6 hours ago
Asiana Airlines
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿22,800 Return, found 6 hours ago
฿22,800
Return
found 6 hours ago
Select Asiana Airlines flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿22,800 found 6 hours ago
Asiana Airlines
Sun, 21 Sep - Fri, 24 Oct
SFO
San Francisco
CNX
Chiang Mai
฿22,810 Return, found 4 days ago
฿22,810
Return
found 4 days ago
Select Asiana Airlines flight, departing Sun, 21 Sep from San Francisco to Chiang Mai, returning Fri, 24 Oct, priced at ฿22,810 found 4 days ago
Delta
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿24,975 Return, found 6 hours ago
฿24,975
Return
found 6 hours ago
Select Delta flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿24,975 found 6 hours ago
Delta
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿25,085 Return, found 6 hours ago
฿25,085
Return
found 6 hours ago
Select Delta flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿25,085 found 6 hours ago
Korean Air
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿25,160 Return, found 6 hours ago
฿25,160
Return
found 6 hours ago
Select Korean Air flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿25,160 found 6 hours ago
Korean Air
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿25,190 Return, found 6 hours ago
฿25,190
Return
found 6 hours ago
Select Korean Air flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿25,190 found 6 hours ago
Alaska Airlines
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿25,875 Return, found 6 hours ago
฿25,875
Return
found 6 hours ago
Select Alaska Airlines flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿25,875 found 6 hours ago
EVA Airways
Tue, 23 Sep - Mon, 20 Oct
SFO
San Francisco
CNX
Chiang Mai
฿27,850 Return, found 6 hours ago
฿27,850
Return
found 6 hours ago
Select EVA Airways flight, departing Tue, 23 Sep from San Francisco to Chiang Mai, returning Mon, 20 Oct, priced at ฿27,850 found 6 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Chiang Mai (CNX)

September is typically the cheapest month to fly

From ฿22,502 - ฿32,545 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to Chiang Mai route information
Origin airport
San Francisco Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Cathay Pacific, China Airlines, Delta, EVA Airways, Korean Air, Malaysia Airlines, Qatar Airways
Return price
฿21,790
Distance
12326 km

Perfect flights from San Francisco to Chiang Mai

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from San Francisco to Chiang Mai. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible San Francisco Intl. to Chiang Mai Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿11,530 and roundtrip prices from ฿21,790. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Chiang Mai Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Chiang Mai.

Frequently asked questions

How much is a flight from SFO to CNX?
The lowest price advertised for a round-trip journey from SFO to Chiang Mai Intl. Airport (CNX) is ฿21,790. But you better act soon. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SFO to Chiang Mai Airport?
The majority of flights can be conveniently cancelled online, but whether or not you incur a fee varies between airlines. If you do have to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from San Francisco Airport to Chiang Mai Intl. Airport (CNX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to Chiang Mai Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SFO to Chiang Mai Airport?
With around 12,400 kilometres separating San Francisco Intl. Airport (SFO) and CNX, your flight will be a long one. Pack wisely and make your time in the air more comfortable. Simple things like warm clothing and a good travel pillow should be in your hand luggage.
Which airlines fly direct from SFO to CNX?
At present, no airlines offer flights directly from San Francisco Airport to Chiang Mai Airport. You'll have to book a flight with at least one stop. To score the best connections and price, lock in your fare well in advance.
Are SFO to Chiang Mai Intl. Airport (CNX) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute deals between SFO and Chiang Mai Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to a year ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to secure your seat when prices drop.

Explore a world of travel with Expedia

Chiang Mai Airports

Lampang

San Francisco to Lampang
฿32,920.00
San Francisco Airports

San Jose

*Available to Expedia members.