What is the cheapest airline that flies from San Francisco to Chiang Mai?

Asiana Airlines, Air China, and China Airlines are the most popular carriers operating from San Francisco to Chiang Mai

Which airport is the most popular layover for flights between San Francisco and Chiang Mai?

Hong Kong (HKG) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Chiang Mai?

EVA Air, Cathay Pacific and China Airlines are the top three most popular airlines that fly to Chiang Mai from San Francisco according to our data. EVA Air is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Chiang Mai. Keep in mind that there are 8 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from San Francisco to Chiang Mai?

Flights via Incheon (ICN) offer the lowest average round-trip price of $691.

Which layover airport has the shortest connection time from San Francisco to Chiang Mai?

Hong Kong (HKG) has the shortest average layover time for this route: 1h 23m.

Which layover airport has the shortest travel time from San Francisco to Chiang Mai?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 19h 41m.

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?

As of September 2025, there are 8 operators available to choose from 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.

$351 Cheap Flights from San Francisco to Chiang Mai in 2025/26

Q: 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 $759 to $909. The lowest price recently found on this route was $663.

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Find the cheapest flights from San Francisco to Chiang Mai

Round-trip

One-way

Cheap round-trip flights

12:00 pm - 2:20 pmSFO-CNX

35h 20m1 stop

3:35 pm - 9:00 amCNX-SFO

32h 25m1 stop

$663China Eastern

Find Deal

Sat, Nov 15 - Fri, Dec 5

12:00 pm - 2:20 pmSFO-CNX

35h 20m1 stop

4:25 pm - 9:00 amCNX-SFO

31h 35m2 stops

$664China Eastern

Find Deal

Sat, Nov 15 - Wed, Nov 26

12:00 pm - 9:05 amSFO-CNX

30h 05m2 stops

10:05 am - 9:00 amCNX-SFO

37h 55m2 stops

$665China Eastern

Find Deal

Mon, Nov 3 - Wed, Nov 19

10:40 am - 9:20 amSFO-CNX

32h 40m2 stops

8:00 pm - 10:30 amCNX-SFO

28h 30m2 stops

$666

Find Deal

Sun, Sep 28 - Wed, Oct 1

12:50 pm - 9:55 pmSFO-CNX

19h 05m1 stop

12:15 am - 9:30 amCNX-SFO

24h 15m1 stop

$699Korean Air

Find Deal

Mon, Sep 29 - Wed, Nov 12

12:50 pm - 9:55 pmSFO-CNX

19h 05m1 stop

12:15 am - 7:30 amCNX-SFO

46h 15m2 stops

$715Korean Air

Find Deal

Mon, Sep 29 - Wed, Nov 12

10:55 pm - 9:50 amSFO-CNX

19h 55m1 stop

10:35 am - 9:00 pmCNX-SFO

25h 25m1 stop

$756Cathay Pacific

Find Deal

Tue, Nov 25 - Tue, Dec 16

1:00 am - 10:25 amSFO-CNX

19h 25m1 stop

11:35 am - 4:00 pmCNX-SFO

18h 25m1 stop

$771EVA Air

Find Deal

Tue, Sep 30 - Wed, Oct 22

11:40 pm - 10:25 amSFO-CNX

19h 45m1 stop

11:25 am - 6:45 pmCNX-SFO

22h 20m1 stop

$774China Airlines

Find Deal

Mon, Jan 5 - Fri, Jan 30

11:40 pm - 10:25 amSFO-CNX

19h 45m1 stop

11:25 am - 6:45 pmCNX-SFO

22h 20m1 stop

$781China Airlines

Find Deal

Wed, Jan 7 - Sun, Jan 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

Nov 15

SFO12:00 pmSan Francisco

35h 20m

1 stop

CNX2:20 pmChiang Mai

Dec 5

CNX3:35 pmChiang Mai

32h 25m

1 stop

SFO9:00 amSan Francisco

$663

Find similar

China Eastern

Nov 15

SFO12:00 pmSan Francisco

35h 20m

1 stop

CNX2:20 pmChiang Mai

Nov 26

CNX4:25 pmChiang Mai

31h 35m

2 stops

SFO9:00 amSan Francisco

$664

Find similar

China Eastern

Nov 3

SFO12:00 pmSan Francisco

30h 05m

2 stops

CNX9:05 amChiang Mai

Nov 19

CNX10:05 amChiang Mai

37h 55m

2 stops

SFO9:00 amSan Francisco

$665

Find similar

China Airlines flights from San Francisco to Chiang Mai

Our best China Airlines deals on San Francisco to Chiang Mai flight tickets

China Airlines

Jan 5

SFO11:40 pmSan Francisco

19h 45m

1 stop

CNX10:25 amChiang Mai

Jan 30

CNX11:25 amChiang Mai

22h 20m

1 stop

SFO6:45 pmSan Francisco

$774

Find similar

China Airlines

Jan 7

SFO11:40 pmSan Francisco

19h 45m

1 stop

CNX10:25 amChiang Mai

Jan 18

CNX11:25 amChiang Mai

22h 20m

1 stop

SFO6:45 pmSan Francisco

$781

Find similar

China Airlines

Jan 21

SFO11:40 pmSan Francisco

19h 45m

1 stop

CNX10:25 amChiang Mai

Feb 5

CNX11:25 amChiang Mai

22h 20m

1 stop

SFO6:45 pmSan Francisco

$785

Find similar

momondo Fare Finder

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

Sat 11/15

12:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Fri 12/5

3:35 pm-9:00 am

1 stop32h 25m

$663

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sat 11/15

12:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Wed 11/26

4:25 pm-9:00 am

2 stops31h 35m

$664

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 11/3

12:00 pm-9:05 am

2 stops30h 05m

Chiang Mai

Wed 11/19

10:05 am-9:00 am

2 stops37h 55m

$665

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 9/28

10:40 am-9:20 am

2 stops32h 40m

Chiang Mai

Wed 10/1

8:00 pm-10:30 am

2 stops28h 30m

$666

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/29

12:50 pm-9:55 pm

1 stop19h 05m

Chiang Mai

Wed 11/12

12:15 am-9:30 am

1 stop24h 15m

$699

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 9/29

12:50 pm-9:55 pm

1 stop19h 05m

Chiang Mai

Wed 11/12

12:15 am-7:30 am

2 stops46h 15m

$715

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 11/25

10:55 pm-9:50 am

1 stop19h 55m

Chiang Mai

Tue 12/16

10:35 am-9:00 pm

1 stop25h 25m

$756

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 9/30

1:00 am-10:25 am

1 stop19h 25m

Chiang Mai

Wed 10/22

11:35 am-4:00 pm

1 stop18h 25m

$771

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 1/5

11:40 pm-10:25 am

1 stop19h 45m

Chiang Mai

Fri 1/30

11:25 am-6:45 pm

1 stop22h 20m

$774

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 1/7

11:40 pm-10:25 am

1 stop19h 45m

Chiang Mai

Sun 1/18

11:25 am-6:45 pm

1 stop22h 20m

$781

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 September, then you should wait until October to fly from San Francisco, when ticket prices are also cheap, with an average price of $900.

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 $1,051 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 $835 on momondo.

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

As of September 2025, prices for San Francisco to Chiang Mai flights are approximately 24% 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

Direct flights	None

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 19h 05m 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?
As of September 2025, there are 8 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Chiang Mai is EVA Air, representing 38% of all bookings. The subsequent popular airlines are Cathay Pacific at 24%, China Airlines at 10%, and Asiana Airlines at 8%.

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 Air	PriceFrom $668	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $691	Free Cancellation	Rating 8.2 479 reviews	Search Asiana Airlines flights
China Eastern	PriceFrom $696	Free Cancellation	Rating 7.2 165 reviews	Search China Eastern flights
China Airlines	PriceFrom $759	Free Cancellation	Rating 8.3 767 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $770	Free Cancellation	Rating 8.9 211 reviews	Search STARLUX Airlines flights
Cathay Pacific	PriceFrom $795	Free Cancellation	Rating 7.6 993 reviews	Search Cathay Pacific flights
Singapore Airlines	PriceFrom $855	Free Cancellation	Rating 8.1 1,365 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $863	Free Cancellation	Rating 8.4 1,236 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.

An easier way to manage your Chiang Mai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from San Francisco to Chiang Mai from $351

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 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from San Francisco to Chiang Mai

Cheap round-trip flights

Cheap one-way flights

China Eastern flights from San Francisco to Chiang Mai

Our best China Eastern deals on San Francisco to Chiang Mai flight tickets

China Airlines flights from San Francisco to Chiang Mai

Our best China Airlines deals on San Francisco to Chiang Mai flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Chiang Mai that are best for you.

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 September, then you should wait until October to fly from San Francisco, when ticket prices are also cheap, with an average price of $900.

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

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

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

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

As of September 2025, prices for San Francisco to Chiang Mai flights are approximately 24% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from San Francisco to Chiang Mai?

Asiana Airlines, Air China, and China Airlines are the most popular carriers operating from San Francisco to Chiang Mai

What airlines fly to Chiang Mai?

Which airport is the most popular layover for flights between San Francisco and Chiang Mai?

Hong Kong (HKG) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Francisco to Chiang Mai?

Flights via Incheon (ICN) offer the lowest average round-trip price of $691.

Which layover airport has the shortest travel time from San Francisco to Chiang Mai?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 19h 41m.

Which layover airport has the shortest connection time from San Francisco to Chiang Mai?

Hong Kong (HKG) has the shortest average layover time for this route: 1h 23m.

When to book flights from San Francisco to Chiang Mai

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

Direct flights

How far is San Francisco to Chiang Mai by plane?

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Chiang Mai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand