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Cheap flights from San Francisco to Chiang Mai from $309

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 4/20. 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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0 bags

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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.
Korean Air Logo
12:40 pm - 10:55 pm
SFO
-
CNX
20h 15m
1 stop
Korean Air Logo
12:15 am - 10:30 am
CNX
-
SFO
24h 15m
1 stop
$638Korean Air
Wed, Mar 11 - Mon, Mar 16
China Eastern Logo
1:00 pm - 2:20 pm
SFO
-
CNX
35h 20m
1 stop
China Eastern Logo
10:05 am - 9:05 am
CNX
-
SFO
37h 00m
3 stops
$668China Eastern
Mon, Mar 23 - Wed, Jun 10
China Eastern Logo
1:00 pm - 9:05 am
SFO
-
CNX
30h 05m
2 stops
China Eastern Logo
10:05 am - 9:05 am
CNX
-
SFO
37h 00m
3 stops
$669China Eastern
Mon, Mar 23 - Wed, Jun 10
China Eastern Logo
1:00 pm - 2:20 pm
SFO
-
CNX
35h 20m
1 stop
China Eastern Logo
3:35 pm - 10:00 am
CNX
-
SFO
32h 25m
1 stop
$671China Eastern
Mon, Mar 23 - Fri, Mar 27
China Eastern Logo
1:00 pm - 2:20 pm
SFO
-
CNX
35h 20m
1 stop
China Eastern Logo
4:25 pm - 10:00 am
CNX
-
SFO
31h 35m
3 stops
$679China Eastern
Mon, Mar 23 - Fri, Mar 27
China Airlines Logo
11:40 pm - 10:25 am
SFO
-
CNX
20h 45m
1 stop
China Airlines Logo
11:20 am - 7:55 pm
CNX
-
SFO
22h 35m
1 stop
$687China Airlines
Mon, Mar 23 - Wed, Jun 10
Korean Air Logo
6:30 am - 10:55 pm
SFO
-
CNX
26h 25m
2 stops
Korean Air Logo
12:15 am - 10:30 am
CNX
-
SFO
24h 15m
1 stop
$693Korean Air
Wed, Mar 11 - Mon, Mar 16
China Eastern Logo
1:00 pm - 3:25 pm
SFO
-
CNX
36h 25m
2 stops
China Eastern Logo
4:25 pm - 10:00 am
CNX
-
SFO
31h 35m
3 stops
$700China Eastern
Mon, Mar 23 - Fri, Mar 27
China Eastern Logo
1:00 pm - 2:20 pm
SFO
-
CNX
35h 20m
1 stop
China Eastern Logo
4:25 pm - 10:00 am
CNX
-
SFO
31h 35m
3 stops
$722China Eastern
Mon, Mar 16 - Wed, Mar 18
China Eastern Logo
1:00 pm - 9:05 am
SFO
-
CNX
30h 05m
2 stops
China Eastern Logo
4:25 pm - 10:00 am
CNX
-
SFO
31h 35m
3 stops
$729China Eastern
Mon, Mar 16 - Wed, Mar 18

China Eastern flights from San Francisco to Chiang Mai

Our best China Eastern deals on San Francisco to Chiang Mai flight tickets
China Eastern
Mar 23
SFO1:00 pmSan Francisco
35h 20m
1 stop
CNX2:20 pmChiang Mai
Jun 10
CNX10:05 amChiang Mai
37h 00m
3 stops
SFO9:05 amSan Francisco
$668
China Eastern
Mar 23
SFO1:00 pmSan Francisco
30h 05m
2 stops
CNX9:05 amChiang Mai
Jun 10
CNX10:05 amChiang Mai
37h 00m
3 stops
SFO9:05 amSan Francisco
$669
China Eastern
Mar 23
SFO1:00 pmSan Francisco
35h 20m
1 stop
CNX2:20 pmChiang Mai
Mar 27
CNX3:35 pmChiang Mai
32h 25m
1 stop
SFO10:00 amSan Francisco
$671

Cathay Pacific flights from San Francisco to Chiang Mai

Our best Cathay Pacific deals on San Francisco to Chiang Mai flight tickets
Cathay Pacific
Aug 16
SFO2:00 pmSan Francisco
38h 40m
1 stop
CNX6:40 pmChiang Mai
Sep 1
CNX7:25 pmChiang Mai
17h 50m
1 stop
SFO11:15 pmSan Francisco
$773
Cathay Pacific
Mar 8
SFO11:55 pmSan Francisco
28h 55m
1 stop
CNX6:50 pmChiang Mai
Mar 14
CNX7:40 pmChiang Mai
16h 35m
1 stop
SFO10:15 pmSan Francisco
$774
Cathay Pacific
Mar 7
SFO9:45 pmSan Francisco
21h 05m
1 stop
CNX9:50 amChiang Mai
Mar 14
CNX10:35 amChiang Mai
25h 40m
1 stop
SFO10:15 pmSan Francisco
$824

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 March 1, 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

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 3/11

12:40 pm-10:55 pm

1 stop20h 15m

Chiang Mai

Mon 3/16

12:15 am-10:30 am

1 stop24h 15m

$638

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Wed 6/10

10:05 am-9:05 am

3 stops37h 00m

$668

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

1:00 pm-9:05 am

2 stops30h 05m

Chiang Mai

Wed 6/10

10:05 am-9:05 am

3 stops37h 00m

$669

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Fri 3/27

3:35 pm-10:00 am

1 stop32h 25m

$671

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Fri 3/27

4:25 pm-10:00 am

3 stops31h 35m

$679

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

11:40 pm-10:25 am

1 stop20h 45m

Chiang Mai

Wed 6/10

11:20 am-7:55 pm

1 stop22h 35m

$687

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 3/11

6:30 am-10:55 pm

2 stops26h 25m

Chiang Mai

Mon 3/16

12:15 am-10:30 am

1 stop24h 15m

$693

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/23

1:00 pm-3:25 pm

2 stops36h 25m

Chiang Mai

Fri 3/27

4:25 pm-10:00 am

3 stops31h 35m

$700

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/16

1:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Wed 3/18

4:25 pm-10:00 am

3 stops31h 35m

$722

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 3/16

1:00 pm-9:05 am

2 stops30h 05m

Chiang Mai

Wed 3/18

4:25 pm-10:00 am

3 stops31h 35m

$729

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 cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in September, then you should wait until April to fly from San Francisco, when ticket prices are also cheap, with an average price of $822.

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 $1,027 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 37% 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 March 2026, prices for San Francisco to Chiang Mai flights are approximately 1% cheaper 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

29h 35m

Direct flights

None
The fastest flight from San Francisco to Chiang Mai takes 29h 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

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

    A flight from San Francisco to Chiang Mai will travel around 7687.3 mi. Typically, this will take 29h 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 $658Free CancellationRating
8.4
1,195 reviews
Search Korean Air flights
China AirlinesPriceFrom $688Free CancellationRating
8.3
809 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $691Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $766Free CancellationRating
8.9
275 reviews
Search STARLUX Airlines flights
Singapore AirlinesPriceFrom $777Free CancellationRating
8.2
1,465 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $797Free CancellationRating
7.6
1,182 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $813Free CancellationRating
8.4
1,362 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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