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Cheap flights from San Francisco to Chiang Mai from $454

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 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
12:00 pm - 9:15 am
SFO
-
CNX
31h 15m
3 stops
China Eastern Logo
3:35 pm - 9:00 am
CNX
-
SFO
32h 25m
1 stop
$764China Eastern
Mon, Sep 21 - Sun, Dec 20
China Eastern Logo
12:00 pm - 9:15 am
SFO
-
CNX
31h 15m
3 stops
China Eastern Logo
2:55 pm - 9:05 am
CNX
-
SFO
32h 10m
1 stop
$765China Eastern
Sat, Oct 3 - Fri, Oct 23
China Eastern Logo
12:00 pm - 9:15 am
SFO
-
CNX
31h 15m
2 stops
China Eastern Logo
10:05 am - 9:00 am
CNX
-
SFO
37h 55m
3 stops
$766China Eastern
Mon, Sep 21 - Sun, Dec 20
China Eastern Logo
8:55 am - 9:15 am
SFO
-
CNX
34h 20m
3 stops
China Eastern Logo
3:35 pm - 9:00 am
CNX
-
SFO
32h 25m
1 stop
$774China Eastern
Mon, Sep 7 - Sun, Dec 6
China Eastern Logo
12:00 pm - 1:25 pm
SFO
-
CNX
35h 25m
1 stop
China Eastern Logo
2:55 pm - 9:05 am
CNX
-
SFO
32h 10m
1 stop
$785China Eastern
Sat, Oct 3 - Fri, Oct 23
China Eastern Logo
12:00 pm - 9:15 am
SFO
-
CNX
31h 15m
2 stops
China Eastern Logo
2:55 pm - 9:05 am
CNX
-
SFO
32h 10m
1 stop
$792China Eastern
Sat, Oct 3 - Fri, Oct 23
China Eastern Logo
12:00 pm - 1:25 pm
SFO
-
CNX
35h 25m
1 stop
China Eastern Logo
10:05 am - 9:00 am
CNX
-
SFO
37h 55m
2 stops
$812China Eastern
Mon, Sep 7 - Sun, Dec 6
China Eastern Logo
12:00 pm - 3:20 pm
SFO
-
CNX
37h 20m
2 stops
China Eastern Logo
10:05 am - 9:00 am
CNX
-
SFO
37h 55m
3 stops
$814China Eastern
Mon, Sep 7 - Sun, Dec 6
Multiple Airlines Logo
12:30 am - 6:00 pm
SFO
-
CNX
27h 30m
2 stops
Multiple Airlines Logo
5:20 pm - 8:30 pm
CNX
-
SFO
17h 10m
1 stop
$823Multiple Airlines
Mon, May 4 - Sat, May 16
Multiple Airlines Logo
12:30 am - 10:10 am
SFO
-
CNX
43h 40m
2 stops
Multiple Airlines Logo
5:20 pm - 8:30 pm
CNX
-
SFO
17h 10m
1 stop
$824Multiple Airlines
Sun, May 3 - Thu, May 21

China Eastern flights from San Francisco to Chiang Mai

Our best China Eastern deals on San Francisco to Chiang Mai flight tickets
China Eastern
Sep 21
SFO12:00 pmSan Francisco
31h 15m
3 stops
CNX9:15 amChiang Mai
Dec 20
CNX3:35 pmChiang Mai
32h 25m
1 stop
SFO9:00 amSan Francisco
$764
China Eastern
Oct 3
SFO12:00 pmSan Francisco
31h 15m
3 stops
CNX9:15 amChiang Mai
Oct 23
CNX2:55 pmChiang Mai
32h 10m
1 stop
SFO9:05 amSan Francisco
$765
China Eastern
Sep 21
SFO12:00 pmSan Francisco
31h 15m
2 stops
CNX9:15 amChiang Mai
Dec 20
CNX10:05 amChiang Mai
37h 55m
3 stops
SFO9:00 amSan Francisco
$766

Cathay Pacific flights from San Francisco to Chiang Mai

Our best Cathay Pacific deals on San Francisco to Chiang Mai flight tickets
Cathay Pacific
May 4
SFO12:20 amSan Francisco
19h 25m
1 stop
CNX9:45 amChiang Mai
May 19
CNX10:30 amChiang Mai
26h 10m
1 stop
SFO10:40 pmSan Francisco
$937
Cathay Pacific
May 4
SFO1:00 pmSan Francisco
39h 40m
1 stop
CNX6:40 pmChiang Mai
May 19
CNX7:25 pmChiang Mai
17h 15m
1 stop
SFO10:40 pmSan Francisco
$938
Cathay Pacific
Aug 16
SFO2:00 pmSan Francisco
29h 45m
1 stop
CNX9:45 amChiang Mai
Sep 8
CNX7:25 pmChiang Mai
17h 50m
1 stop
SFO11:15 pmSan Francisco
$949

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 April 18, 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 - CNX

SFOCNX

San Francisco

Mon 9/21

12:00 pm-9:15 am

3 stops31h 15m

Chiang Mai

Sun 12/20

3:35 pm-9:00 am

1 stop32h 25m

$764

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 10/3

12:00 pm-9:15 am

3 stops31h 15m

Chiang Mai

Fri 10/23

2:55 pm-9:05 am

1 stop32h 10m

$765

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/21

12:00 pm-9:15 am

2 stops31h 15m

Chiang Mai

Sun 12/20

10:05 am-9:00 am

3 stops37h 55m

$766

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/7

8:55 am-9:15 am

3 stops34h 20m

Chiang Mai

Sun 12/6

3:35 pm-9:00 am

1 stop32h 25m

$774

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 10/3

12:00 pm-1:25 pm

1 stop35h 25m

Chiang Mai

Fri 10/23

2:55 pm-9:05 am

1 stop32h 10m

$785

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 10/3

12:00 pm-9:15 am

2 stops31h 15m

Chiang Mai

Fri 10/23

2:55 pm-9:05 am

1 stop32h 10m

$792

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/7

12:00 pm-1:25 pm

1 stop35h 25m

Chiang Mai

Sun 12/6

10:05 am-9:00 am

2 stops37h 55m

$812

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/7

12:00 pm-3:20 pm

2 stops37h 20m

Chiang Mai

Sun 12/6

10:05 am-9:00 am

3 stops37h 55m

$814
Quickest round-trip

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 5/4

12:30 am-6:00 pm

2 stops27h 30m

Chiang Mai

Sat 5/16

5:20 pm-8:30 pm

1 stop17h 10m

$823

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 5/3

12:30 am-10:10 am

2 stops43h 40m

Chiang Mai

Thu 5/21

5:20 pm-8:30 pm

1 stop17h 10m

$824

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?

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 September to fly from San Francisco, when ticket prices are also cheap, with an average price of $759.

How far in advance should I book a flight 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 $978 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 $738 on momondo.

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

You could potentially save up to 43% 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 April 2026, prices for San Francisco to Chiang Mai flights are approximately 12% 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

22h 35m

Direct flights

None
The fastest flight from San Francisco to Chiang Mai takes 22h 35m
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 22h 35m 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 $637Free CancellationRating
8.4
1,210 reviews
Search Korean Air flights
China AirlinesPriceFrom $682Free CancellationRating
8.3
817 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $766Free CancellationRating
8.9
299 reviews
Search STARLUX Airlines flights
Cathay PacificPriceFrom $795Free CancellationRating
7.6
1,280 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $800Free CancellationRating
8.5
1,419 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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