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Cheap flights from San Francisco to Chiang Mai from $349

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 8/23. 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

Korean Air Logo
12:50 pm - 9:55 pmSFO-CNX
19h 05m1 stop
Korean Air Logo
11:15 pm - 10:40 amCNX-SFO
25h 25m1 stop
$641Korean Air
Find Deal
Tue, Sep 2 - Tue, Sep 16
 Logo
12:50 pm - 11:40 pmSFO-CNX
20h 50m1 stop
 Logo
11:15 pm - 10:40 amCNX-SFO
25h 25m1 stop
Wed, Sep 24 - Wed, Oct 15
 Logo
12:50 pm - 9:55 pmSFO-CNX
19h 05m1 stop
 Logo
12:45 am - 10:40 amCNX-SFO
23h 55m1 stop
Tue, Sep 2 - Mon, Sep 15
 Logo
1:10 pm - 11:40 pmSFO-CNX
20h 30m1 stop
 Logo
12:45 am - 10:40 amCNX-SFO
23h 55m1 stop
Tue, Jul 22 - Tue, Sep 9
Asiana Airlines Logo
11:30 pm - 11:40 pmSFO-CNX
34h 10m1 stop
Asiana Airlines Logo
12:45 am - 3:30 pmCNX-SFO
28h 45m1 stop
$658Asiana Airlines
Find Deal
Wed, Aug 6 - Mon, Sep 15
China Eastern Logo
12:00 pm - 2:20 pmSFO-CNX
35h 20m1 stop
China Eastern Logo
4:25 pm - 9:00 amCNX-SFO
55h 35m3 stops
$667China Eastern
Find Deal
Sat, Nov 22 - Sat, Nov 29
China Eastern Logo
12:00 pm - 3:25 pmSFO-CNX
36h 25m2 stops
China Eastern Logo
4:25 pm - 9:00 amCNX-SFO
55h 35m3 stops
$669China Eastern
Find Deal
Sat, Nov 22 - Sat, Nov 29
Asiana Airlines Logo
11:30 pm - 11:40 pmSFO-CNX
34h 10m1 stop
Asiana Airlines Logo
12:45 am - 3:30 pmCNX-SFO
28h 45m1 stop
$699Asiana Airlines
Find Deal
Thu, Aug 21 - Mon, Sep 22
Cathay Pacific Logo
1:40 pm - 6:40 pmSFO-CNX
39h 00m1 stop
Cathay Pacific Logo
10:30 am - 10:40 pmCNX-SFO
26h 10m1 stop
$771Cathay Pacific
Find Deal
Thu, Aug 21 - Mon, Sep 22
China Airlines Logo
1:05 am - 10:20 amSFO-CNX
19h 15m1 stop
China Airlines Logo
11:20 am - 7:55 pmCNX-SFO
22h 35m1 stop
$774China Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 16

Korean Air flights from San Francisco to Chiang Mai

Our best Korean Air deals on San Francisco to Chiang Mai flight tickets
Korean Air
Sep 2
SFO12:50 pmSan Francisco
19h 05m
1 stop
CNX9:55 pmChiang Mai
Sep 16
CNX11:15 pmChiang Mai
25h 25m
1 stop
SFO10:40 amSan Francisco
Korean Air
Nov 12
SFO11:40 amSan Francisco
20h 25m
1 stop
CNX11:05 pmChiang Mai
Nov 18
CNX12:15 amChiang Mai
24h 15m
1 stop
SFO9:30 amSan Francisco
Korean Air
Jul 22
SFO1:10 pmSan Francisco
18h 45m
1 stop
CNX9:55 pmChiang Mai
Sep 16
CNX11:15 pmChiang Mai
25h 25m
1 stop
SFO10:40 amSan Francisco

Asiana Airlines flights from San Francisco to Chiang Mai

Our best Asiana Airlines deals on San Francisco to Chiang Mai flight tickets
Asiana Airlines
Aug 6
SFO11:30 pmSan Francisco
34h 10m
1 stop
CNX11:40 pmChiang Mai
Sep 15
CNX12:45 amChiang Mai
28h 45m
1 stop
SFO3:30 pmSan Francisco
Asiana Airlines
Aug 21
SFO11:30 pmSan Francisco
34h 10m
1 stop
CNX11:40 pmChiang Mai
Sep 22
CNX12:45 amChiang Mai
28h 45m
1 stop
SFO3:30 pmSan Francisco
Asiana Airlines
Aug 20
SFO11:30 pmSan Francisco
34h 10m
1 stop
CNX11:40 pmChiang Mai
Sep 20
CNX12:45 amChiang Mai
28h 45m
1 stop
SFO3:30 pmSan Francisco

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 October to fly from San Francisco, when ticket prices are also cheap, with an average price of $892.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from San Francisco to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Chiang Mai for around $1,234.

What is the cheapest time of day to depart on your flight to Chiang Mai?

Flying to Chiang Mai from San Francisco at noon is the least expensive time of day to depart. momondo users have found prices as low as $983 when looking at flights departing at noon. Flights to Chiang Mai are more costly in the morning, with an average ticket price of $1,027. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,038 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 $832 on momondo.

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

As of June 2025, prices for San Francisco to Chiang Mai flights are approximately 34% 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

Best Price Found

$349

Fastest flight time

18h 45m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from San Francisco in the past 72 hours is $349. The best round-trip flight deal from San Francisco to Chiang Mai found on momondo in the last 72 hours is $641.
The fastest flight from San Francisco to Chiang Mai takes 18h 45m
There are no direct flights from San Francisco to Chiang Mai. Popular non-direct route for this connection is San Francisco Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)

  • 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 18h 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
China EasternPriceFrom $696Free CancellationRating
7.1
152 reviews
Search China Eastern flights
Korean AirPriceFrom $726Free CancellationRating
8.4
1,101 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $735Free CancellationRating
8.2
449 reviews
Search Asiana Airlines flights
STARLUX AirlinesPriceFrom $775Free CancellationRating
9.0
187 reviews
Search STARLUX Airlines flights
China AirlinesPriceFrom $782Free CancellationRating
8.3
745 reviews
Search China Airlines flights
Cathay PacificPriceFrom $797Free CancellationRating
7.6
921 reviews
Search Cathay Pacific flights
Singapore AirlinesPriceFrom $855Free CancellationRating
8.1
1,319 reviews
Search Singapore Airlines flights
EVA AirPriceFrom $861Free CancellationRating
8.4
1,210 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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