Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Chiang Mai from $450

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 9/1. 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 pm
SFO
-
CNX
35h 20m
1 stop
Multiple Airlines Logo
3:35 pm - 9:21 pm
CNX
-
SFO
44h 46m
2 stops
$755Multiple Airlines
Mon, Nov 16 - Mon, Dec 7
Multiple Airlines Logo
12:00 pm - 1:25 pm
SFO
-
CNX
35h 25m
1 stop
Multiple Airlines Logo
12:30 am - 4:17 pm
CNX
-
SFO
29h 47m
2 stops
$755Multiple Airlines
Mon, Aug 17 - Wed, Aug 26
China Airlines Logo
1:05 am - 10:20 am
SFO
-
CNX
19h 15m
1 stop
China Airlines Logo
11:20 am - 8:30 pm
CNX
-
SFO
23h 10m
1 stop
$829China Airlines
Fri, Sep 4 - Sun, Sep 13
China Airlines Logo
1:05 am - 10:20 am
SFO
-
CNX
19h 15m
1 stop
China Airlines Logo
11:25 am - 6:45 pm
CNX
-
SFO
22h 20m
1 stop
$833China Airlines
Sun, Oct 18 - Sat, Mar 6
Korean Air Logo
12:40 pm - 10:55 pm
SFO
-
CNX
20h 15m
1 stop
Korean Air Logo
12:15 am - 9:30 am
CNX
-
SFO
24h 15m
1 stop
$859Korean Air
Mon, Oct 26 - Wed, Feb 17
Korean Air Logo
11:40 am - 10:55 pm
SFO
-
CNX
20h 15m
1 stop
Korean Air Logo
12:15 am - 9:30 am
CNX
-
SFO
24h 15m
1 stop
$859Korean Air
Mon, Nov 30 - Wed, Feb 24
Cathay Pacific Logo
1:20 am - 6:40 pm
SFO
-
CNX
27h 20m
1 stop
Cathay Pacific Logo
10:30 am - 10:55 am
CNX
-
SFO
38h 25m
1 stop
$865Cathay Pacific
Mon, Sep 14 - Sat, Oct 17
Cathay Pacific Logo
10:55 pm - 6:50 pm
SFO
-
CNX
28h 55m
1 stop
Cathay Pacific Logo
7:40 pm - 9:15 pm
CNX
-
SFO
16h 35m
1 stop
$865Cathay Pacific
Sun, Nov 8 - Wed, Mar 3
EVA Air Logo
11:30 pm - 10:35 am
SFO
-
CNX
20h 05m
1 stop
EVA Air Logo
11:50 am - 6:40 pm
CNX
-
SFO
21h 50m
1 stop
$883EVA Air
Tue, Nov 3 - Wed, Mar 10
EVA Air Logo
12:10 am - 10:35 am
SFO
-
CNX
20h 25m
1 stop
EVA Air Logo
11:50 am - 3:00 pm
CNX
-
SFO
18h 10m
1 stop
$883EVA Air
Wed, Oct 28 - Wed, Mar 10

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 17
SFO12:00 pmSan Francisco
55h 15m
3 stops
CNX9:15 amChiang Mai
Oct 16
CNX2:55 pmChiang Mai
32h 10m
1 stop
SFO9:05 amSan Francisco
$763
China Eastern
Sep 17
SFO12:00 pmSan Francisco
30h 10m
3 stops
CNX8:10 amChiang Mai
Oct 16
CNX10:05 amChiang Mai
37h 00m
2 stops
SFO9:05 amSan Francisco
$764
China Eastern
Aug 17
SFO12:00 pmSan Francisco
21h 20m
1 stop
CNX11:20 pmChiang Mai
Sep 3
CNX2:55 pmChiang Mai
38h 55m
2 stops
SFO3:50 pmSan Francisco
$787

China Airlines flights from San Francisco to Chiang Mai

Our best China Airlines deals on San Francisco to Chiang Mai flight tickets
China Airlines
Oct 18
SFO1:05 amSan Francisco
19h 15m
1 stop
CNX10:20 amChiang Mai
Feb 22
CNX11:25 amChiang Mai
22h 20m
1 stop
SFO6:45 pmSan Francisco
$833
China Airlines
Oct 18
SFO1:05 amSan Francisco
19h 15m
1 stop
CNX10:20 amChiang Mai
Mar 13
CNX11:25 amChiang Mai
22h 20m
1 stop
SFO6:45 pmSan Francisco
$834
China Airlines
Aug 16
SFO1:05 amSan Francisco
19h 15m
1 stop
CNX10:20 amChiang Mai
Sep 3
CNX11:20 amChiang Mai
23h 10m
1 stop
SFO8:30 pmSan Francisco
$841

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 July 28, 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 11/16

12:00 pm-2:20 pm

1 stop35h 20m

Chiang Mai

Mon 12/7

3:35 pm-9:21 pm

2 stops44h 46m

$755

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 8/17

12:00 pm-1:25 pm

1 stop35h 25m

Chiang Mai

Wed 8/26

12:30 am-4:17 pm

2 stops29h 47m

$755

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Fri 9/4

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Sun 9/13

11:20 am-8:30 pm

1 stop23h 10m

$829

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 10/18

1:05 am-10:20 am

1 stop19h 15m

Chiang Mai

Sat 3/6

11:25 am-6:45 pm

1 stop22h 20m

$833

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 10/26

12:40 pm-10:55 pm

1 stop20h 15m

Chiang Mai

Wed 2/17

12:15 am-9:30 am

1 stop24h 15m

$859

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Mon 11/30

11:40 am-10:55 pm

1 stop20h 15m

Chiang Mai

Wed 2/24

12:15 am-9:30 am

1 stop24h 15m

$859

San FranciscoChiang Mai

SFO - CNX

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

$865

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Sun 11/8

10:55 pm-6:50 pm

1 stop28h 55m

Chiang Mai

Wed 3/3

7:40 pm-9:15 pm

1 stop16h 35m

$865

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Tue 11/3

11:30 pm-10:35 am

1 stop20h 05m

Chiang Mai

Wed 3/10

11:50 am-6:40 pm

1 stop21h 50m

$883
Quickest round-trip

San FranciscoChiang Mai

SFO - CNX

SFOCNX

San Francisco

Wed 10/28

12:10 am-10:35 am

1 stop20h 25m

Chiang Mai

Wed 3/10

11:50 am-3:00 pm

1 stop18h 10m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $755.

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 July 2026, prices for San Francisco to Chiang Mai flights are approximately 6% 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
1,221 reviews
Search Korean Air flights
China AirlinesPriceFrom $682Free CancellationRating
8.3
838 reviews
Search China Airlines flights
Cathay PacificPriceFrom $795Free CancellationRating
7.6
1,433 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $808Free CancellationRating
8.5
1,506 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/27
Thu 9/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand