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Cheap flights from San Francisco to Chiang Mai from $429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chiang Mai departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:00 pm - 2:20 pmSFO  San Francisco-CNX Chiang Mai
35h 20m1 stop Shanghai Pu Dong
Multiple Airlines Logo
3:35 pm - 4:58 pmCNX  Chiang Mai-SFO San Francisco
40h 23m2 stops Shanghai Pu Dong Los Angeles
$776Multiple Airlines
Mon, Nov 16 - Mon, Dec 7
Multiple Airlines Logo
12:00 pm - 9:05 amSFO  San Francisco-CNX Chiang Mai
30h 05m2 stops Shanghai Pu Dong Kunming Changshui
Multiple Airlines Logo
3:35 pm - 2:55 pmCNX  Chiang Mai-SFO San Francisco
38h 20m2 stops Shanghai Pu Dong Los Angeles
$777Multiple Airlines
Mon, Nov 16 - Mon, Dec 7
China Airlines Logo
1:05 am - 10:20 amSFO  San Francisco-CNX Chiang Mai
19h 15m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
11:20 am - 7:55 pmCNX  Chiang Mai-SFO San Francisco
22h 35m1 stop Taipei City Taiwan Taoyuan Intl
$818China Airlines
Sun, Sep 13 - Mon, Sep 21
China Airlines Logo
11:40 pm - 10:25 amSFO  San Francisco-CNX Chiang Mai
19h 45m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
11:25 am - 6:45 pmCNX  Chiang Mai-SFO San Francisco
22h 20m1 stop Taipei City Taiwan Taoyuan Intl
$828China Airlines
Sun, Nov 8 - Sat, Mar 6
Korean Air Logo
11:40 am - 10:55 pmSFO  San Francisco-CNX Chiang Mai
20h 15m1 stop Incheon Intl
Korean Air Logo
12:15 am - 9:30 amCNX  Chiang Mai-SFO San Francisco
24h 15m1 stop Incheon Intl
$834Korean Air
Thu, Nov 12 - Sat, Nov 21
Korean Air Logo
12:05 pm - 10:55 pmSFO  San Francisco-CNX Chiang Mai
43h 50m2 stops Los Angeles Incheon Intl
Korean Air Logo
12:15 am - 9:30 amCNX  Chiang Mai-SFO San Francisco
24h 15m1 stop Incheon Intl
$850Korean Air
Fri, Nov 13 - Sat, Nov 21
Cathay Pacific Logo
2:00 pm - 6:40 pmSFO  San Francisco-CNX Chiang Mai
38h 40m1 stop Hong Kong Intl
Cathay Pacific Logo
10:30 am - 10:55 amCNX  Chiang Mai-SFO San Francisco
38h 25m1 stop Hong Kong Intl
$878Cathay Pacific
Mon, Sep 14 - Mon, Sep 28
EVA Air Logo
1:00 am - 10:25 amSFO  San Francisco-CNX Chiang Mai
19h 25m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:35 am - 8:10 pmCNX  Chiang Mai-SFO San Francisco
22h 35m1 stop Taipei City Taiwan Taoyuan Intl
$885EVA Air
Wed, Sep 16 - Tue, Sep 29
EVA Air Logo
12:30 pm - 10:25 amSFO  San Francisco-CNX Chiang Mai
31h 55m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 6:40 pmCNX  Chiang Mai-SFO San Francisco
21h 50m1 stop Taipei City Taiwan Taoyuan Intl
$887EVA Air
Wed, Oct 14 - Tue, Nov 17
Cathay Pacific Logo
1:20 am - 6:40 pmSFO  San Francisco-CNX Chiang Mai
27h 20m1 stop Hong Kong Intl
Cathay Pacific Logo
10:30 am - 10:55 amCNX  Chiang Mai-SFO San Francisco
38h 25m1 stop Hong Kong Intl
$889Cathay Pacific
Mon, Sep 14 - Sat, Oct 17

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China Airlines flights from San Francisco to Chiang Mai

Our best China Airlines deals on San Francisco to Chiang Mai flight tickets
China Airlines
Sep 13
SFO1:05 amSan Francisco
19h 15m
1 stop
CNX10:20 amChiang Mai
Sep 21
CNX11:20 amChiang Mai
22h 35m
1 stop
SFO7:55 pmSan Francisco
$818
China Airlines
Nov 8
SFO11:40 pmSan Francisco
19h 45m
1 stop
CNX10:25 amChiang Mai
Mar 6
CNX11:25 amChiang Mai
22h 20m
1 stop
SFO6:45 pmSan Francisco
$828
China Airlines
Sep 4
SFO1:05 amSan Francisco
19h 15m
1 stop
CNX10:20 amChiang Mai
Sep 13
CNX11:20 amChiang Mai
23h 10m
1 stop
SFO8:30 pmSan Francisco
$833

Delta flights from San Francisco to Chiang Mai

Our best Delta deals on San Francisco to Chiang Mai flight tickets
Delta
Jan 16
SFO6:00 amSan Francisco
25h 55m
2 stops
CNX10:55 pmChiang Mai
Feb 7
CNX12:15 amChiang Mai
34h 45m
2 stops
SFO8:00 pmSan Francisco
$871
Delta
Nov 8
SFO4:50 pmSan Francisco
39h 05m
2 stops
CNX10:55 pmChiang Mai
Mar 5
CNX12:15 amChiang Mai
24h 15m
1 stop
SFO9:30 amSan Francisco
$911

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from San Francisco to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Mon 11/16

12:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Mon 12/7

3:35 pm-4:58 pm

2 stops40h 23m

$776

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Mon 11/16

12:00 pm-9:05 am

2 stops30h 05m

Chiang Mai

Mon 12/7

3:35 pm-2:55 pm

2 stops38h 20m

$777
Quickest round-trip

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Sun 9/13

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Mon 9/21

11:20 am-7:55 pm

1 stop22h 35m

$818

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Sun 11/8

11:40 pm-10:25 am

1 stop19h 45m

Chiang Mai

Sat 3/6

11:25 am-6:45 pm

1 stop22h 20m

$828

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Thu 11/12

11:40 am-10:55 pm

1 stop20h 15m

Chiang Mai

Sat 11/21

12:15 am-9:30 am

1 stop24h 15m

$834

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Fri 11/13

12:05 pm-10:55 pm

2 stops43h 50m

Chiang Mai

Sat 11/21

12:15 am-9:30 am

1 stop24h 15m

$850

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Mon 9/14

2:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Mon 9/28

10:30 am-10:55 am

1 stop38h 25m

$878

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Wed 9/16

1:00 am-10:25 am

1 stop19h 25m

Chiang Mai

Tue 9/29

11:35 am-8:10 pm

1 stop22h 35m

$885

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Wed 10/14

12:30 pm-10:25 am

1 stop31h 55m

Chiang Mai

Tue 11/17

11:50 am-6:40 pm

1 stop21h 50m

$887

San FranciscoChiang Mai

SFO San Francisco - CNX Chiang Mai

SFOCNX

San Francisco

Mon 9/14

1:20 am-6:40 pm

1 stop27h 20m

Chiang Mai

Sat 10/17

10:30 am-10:55 am

1 stop38h 25m

$889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from San Francisco to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Chiang Mai?

Prices are currently low for flights on this route.

Typical prices usually range from $1,143 to $1,189.
The lowest price recently found on this route was $776.

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in March, then you should wait until April to fly from San Francisco, when ticket prices are also cheap, with an average price of $746.

How far in advance should I book a flight from San Francisco to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,092 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from San Francisco for as low as $781 on momondo.

Can stopping save me money on San Francisco to Chiang Mai flights?

You could potentially save up to 49% on your flight if you consider stops on a San Francisco to Chiang Mai flight.

How have San Francisco to Chiang Mai flight prices changed over time?

As of August 2026, prices for San Francisco to Chiang Mai flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Chiang Mai (SFO to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chiang Mai

Fastest flight time

19h 45m

Direct flights

None
The fastest flight from San Francisco to Chiang Mai takes 19h 45m
There are no direct flights from San Francisco to Chiang Mai. There are no popular flight routes from San Francisco to Chiang Mai.
Search flight deals

Frequently asked questions about flying from San Francisco to Chiang Mai

  • How far is San Francisco to Chiang Mai by plane?

    A flight from San Francisco to Chiang Mai will travel around 7688.2 mi. Typically, this will take 19h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to Chiang Mai Airport?

    Prices for flights from San Francisco Airport to Chiang Mai Airport are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Chiang Mai Airport?

  • How old do you have to be to fly from San Francisco Airport to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The travel and health documents required for your trip to Chiang Mai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chiang Mai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Chiang Mai?

Best airlines flying from San Francisco to Chiang Mai

Compare and see reviews for airlines that fly from San Francisco to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $636Free CancellationRating
8.4
1,222 reviews
Search Korean Air flights
China AirlinesPriceFrom $682Free CancellationRating
8.3
838 reviews
Search China Airlines flights
Cathay PacificPriceFrom $795Free CancellationRating
7.6
1,439 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $809Free CancellationRating
8.5
1,511 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Chiang Mai?

Finding the right flight to Chiang Mai from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

Can I find flights from San Francisco to Chiang Mai with flexible booking policies on momondo?

All flight searches from San Francisco to Chiang Mai on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Chiang Mai?

Once you have performed a search for San Francisco to Chiang Mai flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Chiang Mai right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chiang Mai from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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