Flights from San Francisco to Chiang Mai
Fares, airlines, flight time and both airports for SFO–CNX.
Route snapshot: San Francisco to Chiang Mai
San Francisco (SFO) to Chiang Mai (CNX) is 12,400 km in a straight line, the equivalent of about 16h in the air; we have not seen a nonstop fare on this pair. The lowest one-way fare seen recently was $483 with Cathay Pacific (1 stop), departing 11 Sept 2026 — as of 11 Sept 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in Chiang Mai
Sort the airport transfer and pick a few things to do so you hit the ground running.
Getting out of Chiang Mai (CNX)
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
Our pickDriver waits at arrivals with your name, tracks your flight, and the price you see is the price you pay. English-speaking, fixed price. No surge, no haggling at 2am.
Check transfer pricesRenting a car instead? Compare rentals with free cancellation.Things to do in Chiang Mai
Lock in a few experiences before you go — the good ones sell out.
Tours, tickets & day trips
Our pickGetYourGuide has the deepest catalogue for Chiang Mai and free cancellation on most experiences — book now, decide later.
Browse Chiang MaiJust need timed-entry attraction tickets in Chiang Mai? Try Tiqets.Want a private driver-guide? Trip.com Private Tours in Chiang Mai.Flights SFO → CNX
Compare live fares from San Francisco to Chiang Mai across 750+ airlines.
Find hotels in Chiang Mai
Hotels, hostels & more · Trip.com
Why travelers watch this route
Fares seen
The lowest one-way fare seen was $483 with Cathay Pacific (1 stop), departing 11 Sept 2026. Checked 11 Sept 2026 — fares move daily.
Seasonality
Chiang Mai demand usually strengthens around November – February, which can push fares higher on this corridor.
Who flies it
We have not confirmed a nonstop carrier on SFO–CNX; most travellers connect through a hub.
Airlines flying San Francisco to Chiang Mai
We have not confirmed which airlines fly SFO–CNX nonstop. Search the route to see every carrier selling it today, including connections.
San Francisco–Chiang Mai route intelligence
Updated analysis of the SFO–CNX corridor — distance, fares, timing, and connecting options.
Route profile
San Francisco (SFO) to Chiang Mai (CNX) is a ultra-long-haul corridor spanning approximately 12,399 km, with typical block time around 15h 15m. Published fares cluster between $600 and $1600 in economy. Ultra long-haul.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Songkran (mid-April), Chinese New Year (late Jan/early Feb), and Christmas/New Year all push fares ~30-60% above baseline. Booking 6-8 weeks ahead is non-negotiable for these windows.
Connecting hubs to compare
If a nonstop on the SFO–CNX corridor is sold out or overpriced, one-stop itineraries through Tokyo (NRT), Seoul (ICN), Hong Kong (HKG) and Taipei (TPE) are typically the strongest alternatives — often 20-40% cheaper than nonstop, with 3-12 hours added to total journey time.
Visa & arrival
Passport-validity and visa requirements differ between and Thailand — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to Chiang Mai
Based on weather and travel conditions in Thailand
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.
Direct & Connecting Flights
We have not seen a nonstop fare between San Francisco (SFO) and Chiang Mai (CNX), so most itineraries connect through a hub.
Fares & Price Guide
The lowest one-way fare seen on SFO–CNX was $483 USD (1 stop) as of 11 Sept 2026. Set a fare alert to be told when it drops.
About Chiang Mai, Thailand
Flights arrive at Chiang Mai International Airport (CNX). Best visited during November – February. See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search SFO → CNX
See current San Francisco to Chiang Mai fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for SFO and CNX.
Airline Route Maps
Explore the networks of airlines flying from San Francisco and Chiang Mai.
Chiang Mai Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on SFO–CNX and related city pairs.
Visa Guides
Check entry rules before booking flights from San Francisco to Thailand.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on San Francisco → Chiang Mai
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Frequently asked questions — San Francisco to Chiang Mai flights
Ready to book SFO–CNX?
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