CNX - SFO

$421 Find Cheap Flights from Chiang Mai to San Francisco - Compare and Save

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Everything you should know

Cheapest round-trip
$822
Typical prices: $800-$1,032
Korean Air
Fri 10/26Wed 10/31
CNX - SFO • 1 stop
Cheapest one-way
$421
Typical prices: $488-$794
Multiple Airlines
Sat 11/3
CNX - SFO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Chiang Mai and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 12% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Taipei City Taiwan Taoyuan Intl (TPE)
Cheapest • Avg $945 (round-trip)
Hong Kong Intl (HKG)
Shortest trip • 18h 17m (one-way)
Insights
Insights
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chiang Mai to San Francisco

Mon, Oct 26 - Sat, Oct 31
Korean Air Logo
12:20 am - 10:35 amCNX  Chiang Mai-SFO San Francisco
24h 15m1 stop Incheon Intl
Korean Air Logo
12:45 pm - 10:45 pmSFO  San Francisco-CNX Chiang Mai
20h 00m1 stop Incheon Intl
$822Korean Air
Mon, Oct 26 - Sat, Oct 31
Korean Air Logo
12:20 am - 10:35 amCNX  Chiang Mai-SFO San Francisco
24h 15m1 stop Incheon Intl
Korean Air Logo
12:45 pm - 10:45 pmSFO  San Francisco-CNX Chiang Mai
20h 00m1 stop Incheon Intl
$823Korean Air
Sun, Nov 1 - Mon, Nov 9
Delta Logo
12:20 am - 5:05 pmCNX  Chiang Mai-SFO San Francisco
31h 45m2 stops Incheon Intl Seattle/Tacoma Intl
Delta Logo
5:50 am - 10:45 pmSFO  San Francisco-CNX Chiang Mai
25h 55m2 stops Salt Lake City Incheon Intl
$824Delta
Sun, Dec 20 - Mon, Jan 11
Delta Logo
12:20 am - 10:11 pmCNX  Chiang Mai-SFO San Francisco
36h 51m2 stops Incheon Intl Seattle/Tacoma Intl
Delta Logo
6:05 am - 10:45 pmSFO  San Francisco-CNX Chiang Mai
25h 40m2 stops Seattle/Tacoma Intl Incheon Intl
$825Delta
Tue, Nov 24 - Tue, Dec 29
STARLUX Airlines Logo
5:00 pm - 7:10 pmCNX  Chiang Mai-SFO San Francisco
17h 10m1 stop Taipei City Taiwan Taoyuan Intl
STARLUX Airlines Logo
11:10 pm - 4:00 pmSFO  San Francisco-CNX Chiang Mai
25h 50m1 stop Taipei City Taiwan Taoyuan Intl
$825STARLUX Airlines
Sun, Dec 20 - Sun, Jan 10
Delta Logo
12:20 am - 9:46 amCNX  Chiang Mai-SFO San Francisco
48h 26m2 stops Incheon Intl Seattle/Tacoma Intl
Delta Logo
1:35 pm - 10:45 pmSFO  San Francisco-CNX Chiang Mai
42h 10m2 stops Salt Lake City Incheon Intl
$825Delta
Sun, Dec 20 - Sat, Jan 9
Delta Logo
12:20 am - 10:11 pmCNX  Chiang Mai-SFO San Francisco
36h 51m2 stops Incheon Intl Seattle/Tacoma Intl
Delta Logo
6:00 am - 10:45 pmSFO  San Francisco-CNX Chiang Mai
25h 45m2 stops Salt Lake City Incheon Intl
$825Delta
Mon, Oct 26 - Sat, Oct 31
Korean Air Logo
12:20 am - 10:35 amCNX  Chiang Mai-SFO San Francisco
24h 15m1 stop Incheon Intl
Korean Air Logo
12:45 pm - 10:45 pmSFO  San Francisco-CNX Chiang Mai
20h 00m1 stop Incheon Intl
$825Korean Air
Tue, Nov 24 - Tue, Dec 29
EVA Air Logo
9:40 am - 6:40 pmCNX  Chiang Mai-SFO San Francisco
24h 00m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:00 pm - 10:35 amSFO  San Francisco-CNX Chiang Mai
31h 35m1 stop Taipei City Taiwan Taoyuan Intl
$945EVA Air
Fri, Oct 9 - Thu, Oct 15
EVA Air Logo
11:35 am - 8:00 pmCNX  Chiang Mai-SFO San Francisco
22h 25m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
12:45 am - 4:15 pmSFO  San Francisco-CNX Chiang Mai
25h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$945EVA Air
Booking Insights

Price, demand and travel trends for Chiang Mai to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chiang Mai to San Francisco with more confidence.

How much is a round-trip flight from Chiang Mai to San Francisco?

Round-trip flights from Chiang Mai to San Francisco start at $822. Prices are typical for this route right now, with typical round-trip fares ranging from $800 to $1,032. The lowest price found in the past 5 days was $822 on Korean Air.

What's the cheapest day of the week to fly from Chiang Mai to San Francisco?

Wednesday is the cheapest day of the week to fly from Chiang Mai to San Francisco, it is 12% cheaper than the average day. Sunday is the most expensive day with flight prices 45% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•October is the cheapest month to fly from Chiang Mai to San Francisco at $778 round-trip.
•March ($1,293) and April ($1,283) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Chiang Mai to San Francisco flights

Low season

March

Cheapest flight

$421
Best time to beat the crowds but there is an average 46% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Chiang Mai to San Francisco

When to book flights from Chiang Mai to San Francisco

Are your dates flexible? Find out the best times to travel from Chiang Mai to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chiang Mai to San Francisco flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Chiang Mai to San Francisco?

    Flights from Chiang Mai to San Francisco usually depart from Chiang Mai (CNX) and arrive at San Francisco (SFO).

  • What cabin classes can I book on flights from Chiang Mai to San Francisco?

    Three cabin classes are available on flights from Chiang Mai to San Francisco:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Chiang Mai to San Francisco pass through?

    Connecting flights from Chiang Mai to San Francisco most commonly pass through:

    • Taipei City Taiwan Taoyuan Intl (TPE) - 95% of one-stop connections
    • Hong Kong Intl (HKG) - 5% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Chiang Mai to San Francisco?

    Yes. Being flexible with your travel dates can save you up to 40% on the Chiang Mai to San Francisco route. Wednesday is the cheapest departure day at $778 round-trip on average, while Sunday is the most expensive at $1,283, a difference of $505. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • How long is a flight from Chiang Mai to San Francisco?

    A nonstop flight from Chiang Mai to San Francisco takes 0h 00m, covering 7,699 miles.

  • Do I need a passport to fly from Chiang Mai to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Chiang Mai to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $822 to $3,091. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Chiang Mai to San Francisco looking right now?

    One-way fares from Chiang Mai to San Francisco are currently higher than usual. Average one-way flight prices are about $610, which is 6% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Chiang Mai to San Francisco?

    Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 18h 17m, compared with 19h 53m via Taipei City Taiwan Taoyuan Intl (TPE).

  • What is the time difference between Chiang Mai and San Francisco?

    San Francisco is 14 hours behind Chiang Mai (Pacific Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
    • Thrifty
    • Europcar
    • Dollar
    • Hertz
    • Fox

  • How much should I expect to pay for a Chiang Mai to San Francisco flight?

    Round-trip flights from Chiang Mai to San Francisco range from $800 to $1,032, with an average of $883 over the past 12 months. Anything below $800 counts as a good deal.

Your guide to booking Chiang Mai to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $778 - about $505 less than Sunday (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chiang Mai to San Francisco trip for October. Fares historically average $778 round-trip in that month - typically $515 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.
    - Grand Hyatt At Sfo

More options for your flight from Chiang Mai to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Car rentals in San Francisco
Hotels in San Francisco
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