Trip.com
US$490Collected
Compare pricesFlights from Chiang Mai to San Francisco
CNX → SFO · compared across 9 travel sites
- Flight time
- from 16h 29m nonstop
- Distance
- 12,399 km
- Typical one-way
- US$484
Compare Chiang Mai → San Francisco prices on 9 travel sites
Add your dates and open the same search on each travel site to find the cheapest fare. You book directly with the provider.
Booking.com
US$581Collected
Compare pricesAgoda
US$484Collected
Compare pricesKayak
One of the largest flight metasearch engines worldwide.
Compare pricesKiwi.com
Virtual interlining specialist that mixes airlines creatively.
Compare pricesExpedia
Global OTA giant with package deals and member prices.
Compare pricesSkyscanner
The benchmark flight metasearch — “search everywhere”.
Compare pricesPriceline
Long-standing US OTA with express deals for flights.
Compare pricesMomondo
Kayak-family metasearch known for winning price comparisons.
Compare pricesFares auto-collected from partner search results on 2026-09-03 (one-way, economy).
Typical prices & when to book
Lowest fare collected
US$484
Agoda
Auto-collected from Agoda search results on 2026-09-03 (one-way, economy). Fares change constantly — click “Compare prices” for live fares.
Chiang Mai → San Francisco route guide
The Chiang Mai (CNX) to San Francisco (SFO) route covers roughly 12,399 km, with an estimated flight time of about 16h 29m for a nonstop service. Compare the travel sites above to find the best fare for your dates — availability and prices differ between them.
Departures use Chiang Mai; arrivals use San Francisco Intl. Both airports handle the route with regular schedules, so same-day connections and day trips are realistic options.
Chiang Mai → San Francisco flight FAQ
How long is the flight from Chiang Mai to San Francisco?
Nonstop flights from Chiang Mai to San Francisco take about 16h 29m. The route covers approximately 12,399 km.
How do I find the cheapest flights from Chiang Mai to San Francisco?
Compare the same dates across the 9 travel sites listed above — their fares differ by provider. Midweek departures, flexible dates and booking a few weeks ahead usually help.
Are there direct flights from Chiang Mai to San Francisco?
Direct availability changes by season and carrier. The estimated nonstop flight time is about 16h 29m; one-stop options are widely available.