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

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Francisco International to Chiang Mai flight deals

      Find the cheapest month or even day of the year to fly to Chiang Mai

      Book the best Chiang Mai fare with no extra fees

      Flight deals from San Francisco International to Chiang Mai

      Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Chiang Mai Airport? If you want to travel next month, return fares start from $1,225. Find the lowest prices on one-way and return tickets right here.
      Chiang Mai.$1,158 per passenger.Departing Tue, 2 Feb, returning Tue, 16 Feb.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from San Francisco International on Tue, 2 Feb, arriving in Chiang Mai.Inbound indirect flight with Korean Air, departs from Chiang Mai on Tue, 16 Feb, arriving in San Francisco International.Price includes taxes and charges.From $1,158, select.
      Chiang Mai.$1,171 per passenger.Departing Sat, 20 Mar, returning Sun, 28 Mar.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Sat, 20 Mar, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Sun, 28 Mar, arriving in San Francisco International.Price includes taxes and charges.From $1,171, select.
      Chiang Mai.$1,200 per passenger.Departing Sun, 24 Jan, returning Sat, 30 Jan.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from San Francisco International on Sun, 24 Jan, arriving in Chiang Mai.Inbound indirect flight with Cathay Pacific, departs from Chiang Mai on Sat, 30 Jan, arriving in San Francisco International.Price includes taxes and charges.From $1,200, select.
      Chiang Mai.$1,213 per passenger.Departing Sun, 13 Sep, returning Wed, 16 Sep.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from San Francisco International on Sun, 13 Sep, arriving in Chiang Mai.Inbound indirect flight with Cathay Pacific, departs from Chiang Mai on Wed, 16 Sep, arriving in San Francisco International.Price includes taxes and charges.From $1,213, select.
      Chiang Mai.$1,225 per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Thu, 8 Oct, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Thu, 15 Oct, arriving in San Francisco International.Price includes taxes and charges.From $1,225, select.
      Chiang Mai.$1,244 per passenger.Departing Wed, 30 Sep, returning Thu, 22 Oct.Return flight with STARLUX Airlines.Outbound indirect flight with STARLUX Airlines, departs from San Francisco International on Wed, 30 Sep, arriving in Chiang Mai.Inbound indirect flight with STARLUX Airlines, departs from Chiang Mai on Thu, 22 Oct, arriving in San Francisco International.Price includes taxes and charges.From $1,244, select.
      Chiang Mai.$1,282 per passenger.Departing Wed, 4 Nov, returning Sat, 14 Nov.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Wed, 4 Nov, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Sat, 14 Nov, arriving in San Francisco International.Price includes taxes and charges.From $1,282, select.
      Chiang Mai.$1,285 per passenger.Departing Tue, 24 Nov, returning Sun, 6 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Tue, 24 Nov, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Sun, 6 Dec, arriving in San Francisco International.Price includes taxes and charges.From $1,285, select.
      Chiang Mai.$1,306 per passenger.Departing Mon, 4 Jan, returning Wed, 3 Feb.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Mon, 4 Jan, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Wed, 3 Feb, arriving in San Francisco International.Price includes taxes and charges.From $1,306, select.
      Chiang Mai.$1,371 per passenger.Departing Sat, 31 Oct, returning Mon, 16 Nov.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from San Francisco International on Sat, 31 Oct, arriving in Chiang Mai.Inbound indirect flight with EVA Air, departs from Chiang Mai on Mon, 16 Nov, arriving in San Francisco International.Price includes taxes and charges.From $1,371, select.
      Chiang Mai.$1,402 per passenger.Departing Thu, 26 Nov, returning Tue, 26 Jan.Return flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from San Francisco International on Thu, 26 Nov, arriving in Chiang Mai.Inbound indirect flight with Cathay Pacific, departs from Chiang Mai on Tue, 26 Jan, arriving in San Francisco International.Price includes taxes and charges.From $1,402, select.
      Chiang Mai.$1,719 per passenger.Departing Tue, 29 Dec, returning Tue, 26 Jan.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from San Francisco International on Tue, 29 Dec, arriving in Chiang Mai.Inbound indirect flight with EVA Air, departs from Chiang Mai on Tue, 26 Jan, arriving in San Francisco International.Price includes taxes and charges.From $1,719, select.
      Chiang Mai.$1,780 per passenger.Departing Mon, 28 Dec, returning Fri, 7 May.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from San Francisco International on Mon, 28 Dec, arriving in Chiang Mai.Inbound indirect flight with China Airlines, departs from Chiang Mai on Fri, 7 May, arriving in San Francisco International.Price includes taxes and charges.From $1,780, select.
      Chiang Mai.$1,956 per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with EVA Air.Outbound indirect flight with EVA Air, departs from San Francisco International on Thu, 10 Dec, arriving in Chiang Mai.Inbound indirect flight with EVA Air, departs from Chiang Mai on Thu, 17 Dec, arriving in San Francisco International.Price includes taxes and charges.From $1,956, select.
      Chiang Mai.$2,026 per passenger.Departing Mon, 14 Jun, returning Tue, 29 Jun.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from San Francisco International on Mon, 14 Jun, arriving in Chiang Mai.Inbound indirect flight with Singapore Airlines, departs from Chiang Mai on Tue, 29 Jun, arriving in San Francisco International.Price includes taxes and charges.From $2,026, select.
      Chiang Mai.$2,406 per passenger.Departing Tue, 15 Dec, returning Mon, 8 Feb.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from San Francisco International on Tue, 15 Dec, arriving in Chiang Mai.Inbound indirect flight with Korean Air, departs from Chiang Mai on Mon, 8 Feb, arriving in San Francisco International.Price includes taxes and charges.From $2,406, select.

      Find the cheapest month to fly from San Francisco International to Chiang Mai

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Chiang Mai flights are currently cheapest in February.
      Sep
      from $1,213
      Oct
      from $1,225
      Nov
      from $1,282
      Dec
      from $1,956
      Jan
      from $1,200
      Feb
      from $1,158
      Mar
      from $1,171
      Apr
      Find prices
      May
      Find prices
      Jun
      from $2,026
      Jul
      Find prices
      Aug
      Find prices

      San Francisco International to Chiang Mai: Alternative routes

      Compare routes from San Francisco International to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

      Chiang Mai

      4km from central Chiang Mai
      ClosestCheapest
      from $1,158
      Search flights

      Lampang

      79km from central Chiang Mai
      Search flights

      San Francisco to Chiang Mai: Flight information

      The things to know before you go.
      Cheapest flight found$1,158
      Cheapest month to flyFebruary

      Finding cheap flights from San Francisco International to Chiang Mai: Frequently asked questions

      The best price we found for a return flight from San Francisco International to Chiang Mai is $1,158. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from San Francisco International to Chiang Mai. But we found flights with one or more stops from $1,158.
      As of September 2026, there are no flights flying from San Francisco International to Chiang Mai.
      The cheapest month to fly from San Francisco International to Chiang Mai is usually February.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Chiang Mai Airport on Tuesday, 2 February 2027.
      No airlines currently offer direct flights between San Francisco International Airport and Chiang Mai Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Korean Air offers the cheapest flight tickets to Chiang Mai.

      Travelling from San Francisco International Airport (SFO) to Chiang Mai Airport (CNX): what you need to know

      • Chiang Mai is 15 hours ahead of San Francisco and observes the UTC+7 timezone.

      • Get to the airport on time so you don't miss your SFO to CNX flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

      • During popular months such as July, it's best to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a high season in general.

      • Consider adding a stopover when booking your ticket from San Francisco International Airport to Chiang Mai Airport. Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between SFO and CNX:

        • Shanghai Pudong Airport

        • Incheon International Airport

        • Taipei Taiwan Taoyuan Airport

      How to find the cheapest flights from San Francisco International Airport (SFO) to Chiang Mai Airport (CNX)

      • $588 is the lowest price for a one-way San Francisco International Airport to Chiang Mai Airport flight. A return flight starts at $1,158. These fares may change based on demand.

      • To find cheap tickets from SFO to CNX, book in advance. Airlines generally offer their most competitively priced fares when flights are first released.

      • Getting cheap flights from San Francisco International Airport to Chiang Mai Airport is more likely if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across every month and snap up a great deal.

      • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from SFO to CNX.

      • Tailor your flights using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from San Francisco International Airport to Chiang Mai Airport.

      Handy information about San Francisco International Airport (SFO)

      • When it comes to the on-time performance of San Francisco International Airport, 78% of flights stick to their scheduled arrival time.

      • San Francisco International Airport is about 21 kilometres from central San Francisco. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

      • You can expect a journey time of around 35 minutes on public transport.

      • Looking for a handy hotel close to SFO? If you're catching an early flight from San Francisco International Airport to Chiang Mai Airport, these accommodation options will put you moments from your departure lounge:

      Arriving at Chiang Mai Airport (CNX)

      • If you're coming in on a late San Francisco International Airport to Chiang Mai Airport flight, few things top the convenience of staying near the terminal. Grab your bags from the carousel and then be tucked up in bed not long after at one of these accommodation options near CNX:

      • Get on the fast track to adventure by picking up a Chiang Mai Airport rental car. Grab a set of wheels from Chic Car Rent, asap car rental or Hertz and explore beyond Chiang Mai's usual tourist stops.

      • For the lowest price, book your vehicle from Chiang Mai Airport around two weeks in advance.

      Getting from Chiang Mai Airport (CNX) to central Chiang Mai

      • Chiang Mai Airport is roughly 3 kilometres from the centre of Chiang Mai. The drive time takes around 15 minutes.

      • When travelling on public transport, expect a journey time of about 25 minutes.

      When to fly to Chiang Mai Airport (CNX)

      • The quietest month for a flight from San Francisco International Airport to Chiang Mai Airport is June, while January is the most popular. Choose the ideal time to go to Chiang Mai based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Lock in your flight from San Francisco International Airport to Chiang Mai Airport for April if you want to explore Chiang Mai during its warmest month. You can expect temperatures of between 22ºC (72ºF) and 42ºC (108ºF).

      • January sees average temperatures of between 12ºC (54ºF) and 31ºC (88ºF). Search for cheap tickets from SFO to CNX around that time if you'd rather travel in cooler conditions.

      Explore more of Thailand

      • You've visited Chiang Mai, now it's time to discover more of Thailand. Journey around 434 kilometres east to Udon Thani to check off its leading sights. From Thai-Chinese Cultural Centre to Wat Pho Chai and Wat Burapa Wanaram, there's plenty to keep you busy.

      • If you're interested in discovering another side of Thailand, consider Lampang, roughly 80 kilometres south-east of Chiang Mai. Wat Chiang Rai, Wat Phra Kaew Don Tao Suchadaram and Wat Chai Mongkhon are highlights.

      Plan smart, explore more

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.