Flights from San Francisco to Chiang Mai

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From $1515 · Prices update daily

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The quick answer

Flights from San Francisco to Chiang Mai start around $1515 round-trip. Main carrier: Air Premia. Cheapest month to fly: December. Visa-free for US passport holders (Thailand).

Price calendar — next 60 days

CheapAverageExpensive
Dec 20

★ Cheapest: $1515 on Sun, Dec 20 · YP

Lowest return fares · Prices update daily · Final price confirmed at booking

Price calendar — San Francisco to Chiang Mai

Month-by-month lowest fares. Green = cheapest dates.

Thailand essentials

🟢 Visa-free for US passport holders · up to 60 days

Visa exemption for US tourists, up to 60 days.

Full Chiang Mai visa guide →

🆘 Emergency

191 (police) · 1669 (ambulance)

💱 Currency

Thai Baht (฿)

🕐 Time zone

UTC+7

🗣️ Language

Thai

🔌 Plugs

Type A/B/C · 230V

🚗 Driving

Left side

💡 Tipping

Not required; round up

📞 Dial code

+66

🏛️ US Embassy

Bangkok · +66 2-205-4000

Entry rules can change — always confirm with official sources before booking.

Stay connected in Chiang Mai

Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.

Travel insurance

Protect your San Francisco to Chiang Mai trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.

Airport transfer in Chiang Mai

Pre-book your ride into Chiang Mai. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.

Flight delayed or cancelled?

If your San Francisco to Chiang Mai flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.

Planning a trip to Chiang Mai?Hotels from $5/nt|Tours

More resources

San Francisco to Chiang Mai — frequently asked

How much is a flight from San Francisco to Chiang Mai?+

Fares start around $1515 round-trip. Prices update daily across 800+ airlines.

What is the cheapest month to fly San Francisco to Chiang Mai?+

December typically has the lowest fares.

Are there direct flights from San Francisco to Chiang Mai?+

This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.

Which airlines fly from San Francisco to Chiang Mai?+

Carriers on this route include Air Premia. Compare them side by side in the search above.

Do US citizens need a visa for Thailand?+

Visa-free for US passport holders for stays up to 60 days. Visa exemption for US tourists, up to 60 days.

What currency is used in Thailand?+

The Thai Baht (THB, ฿). The emergency number is 191 (police) · 1669 (ambulance).

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