$485 Cheap Flights from San Diego (SAN) to Chiang Mai (CNX)

View $485 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)

Cheap Flights from San Diego to Chiang Mai (SAN-CNX)

Prices were available within the past 7 days and start at $485 for one-way flights and $879 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 8 - Fri, Dec 19
SAN
San Diego
CNX
Chiang Mai
$879 Roundtrip, found 6 hours ago
$879
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Dec 8 from San Diego to Chiang Mai, returning Fri, Dec 19, priced at $879 found 6 hours ago
Korean Air
Wed, Sep 17 - Wed, Sep 24
SAN
San Diego
CNX
Chiang Mai
$884 Roundtrip, found 5 days ago
$884
Roundtrip
found 5 days ago
Select Korean Air flight, departing Wed, Sep 17 from San Diego to Chiang Mai, returning Wed, Sep 24, priced at $884 found 5 days ago
Korean Air
Mon, Dec 1 - Mon, Dec 15
SAN
San Diego
CNX
Chiang Mai
$884 Roundtrip, found 2 days ago
$884
Roundtrip
found 2 days ago
Select Korean Air flight, departing Mon, Dec 1 from San Diego to Chiang Mai, returning Mon, Dec 15, priced at $884 found 2 days ago
Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
SAN
San Diego
CNX
Chiang Mai
$885 Roundtrip, found 5 days ago
$885
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Mar 3 from San Diego to Chiang Mai, returning Tue, Mar 10, priced at $885 found 5 days ago
Delta
Fri, Sep 26 - Mon, Sep 29
SAN
San Diego
CNX
Chiang Mai
$892 Roundtrip, found 3 days ago
$892
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Sep 26 from San Diego to Chiang Mai, returning Mon, Sep 29, priced at $892 found 3 days ago
Delta
Fri, Sep 26 - Mon, Sep 29
SAN
San Diego
CNX
Chiang Mai
$893 Roundtrip, found 3 days ago
$893
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Sep 26 from San Diego to Chiang Mai, returning Mon, Sep 29, priced at $893 found 3 days ago
Korean Air
Sat, Oct 4 - Mon, Oct 20
SAN
San Diego
CNX
Chiang Mai
$899 Roundtrip, found 5 days ago
$899
Roundtrip
found 5 days ago
Select Korean Air flight, departing Sat, Oct 4 from San Diego to Chiang Mai, returning Mon, Oct 20, priced at $899 found 5 days ago
Alaska Airlines
Tue, Mar 3 - Tue, Mar 10
SAN
San Diego
CNX
Chiang Mai
$899 Roundtrip, found 5 days ago
$899
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Mar 3 from San Diego to Chiang Mai, returning Tue, Mar 10, priced at $899 found 5 days ago
STARLUX Airlines
Sun, Jan 11 - Tue, Jan 27
SAN
San Diego
CNX
Chiang Mai
$912 Roundtrip, found 3 days ago
$912
Roundtrip
found 3 days ago
Select STARLUX Airlines flight, departing Sun, Jan 11 from San Diego to Chiang Mai, returning Tue, Jan 27, priced at $912 found 3 days ago
Asiana Airlines
Mon, Sep 22 - Mon, Oct 6
SAN
San Diego
CNX
Chiang Mai
$1,115 Roundtrip, found 19 hours ago
$1,115
Roundtrip
found 19 hours ago
Select Asiana Airlines flight, departing Mon, Sep 22 from San Diego to Chiang Mai, returning Mon, Oct 6, priced at $1,115 found 19 hours ago

Alternative airports near Chiang Mai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $879
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $879
Flights from San Diego (SAN) to Chiang Mai (CNX)
Origin airport
San Diego Intl.
Destination airport
Chiang Mai Intl.
Airlines serving
Air Canada, Air China, Asiana Airlines, Delta, Japan Airlines, Korean Air, Lufthansa, STARLUX Airlines
Roundtrip price
$878
Distance
8150 mi

San Diego to Chiang Mai Flights

The cheapest times to fly from San Diego to Chiang Mai

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Chiang Mai are during the month of December. You can find some of the cheapest flights from San Diego to Chiang Mai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Chiang Mai

Sunday is one of the best days to book for cheap flights from San Diego to Chiang Mai: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Chiang Mai

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Chiang Mai in 2025. You can also book with separate airlines for your outbound and return journeys, from $485 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Chiang Mai flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Chiang Mai airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX) cost?
Lock in a cheap one-way flight from $485 or cheap return flight from $879 from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)?
Traveling in December is a great way to save, as it's the cheapest month for flights between SAN and CNX. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SAN to CNX. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)?
Nonstop flights from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to CNX?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)?
To arrive at Chiang Mai Intl. Airport (CNX) on schedule, pick a flight that leaves San Diego Intl. Airport (SAN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX) last-minute?
Booking your plane ticket from SAN to CNX right before your getaway is usually more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SAN to CNX flight and hotel package?
You'll generally save money by securing a SAN to CNX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Chiang Mai Intl. Airport (CNX)?
If you booked your SAN to CNX flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.