$529 Cheap Flights from San Francisco (SFO) to Chiang Rai (CEI)

View $529 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)

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Cheap Flights from San Francisco to Chiang Rai (SFO-CEI)

Prices were available within the past 7 days and start at $529 for one-way flights and $944 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Wed, Jan 28 - Mon, Feb 2
SFO
San Francisco
CEI
Chiang Rai
$944 Roundtrip, found 4 hours ago
$944
Roundtrip
found 4 hours ago
Select EVA Airways flight, departing Wed, Jan 28 from San Francisco to Chiang Rai, returning Mon, Feb 2, priced at $944 found 4 hours ago
EVA Airways
Wed, Jan 28 - Mon, Feb 9
SFO
San Francisco
CEI
Chiang Rai
$974 Roundtrip, found 4 hours ago
$974
Roundtrip
found 4 hours ago
Select EVA Airways flight, departing Wed, Jan 28 from San Francisco to Chiang Rai, returning Mon, Feb 9, priced at $974 found 4 hours ago
EVA Airways
Mon, Nov 17 - Thu, Nov 27
SFO
San Francisco
CEI
Chiang Rai
$984 Roundtrip, found 1 day ago
$984
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Nov 17 from San Francisco to Chiang Rai, returning Thu, Nov 27, priced at $984 found 1 day ago
EVA Airways
Mon, Nov 17 - Thu, Nov 27
SFO
San Francisco
CEI
Chiang Rai
$988 Roundtrip, found 1 day ago
$988
Roundtrip
found 1 day ago
Select EVA Airways flight, departing Mon, Nov 17 from San Francisco to Chiang Rai, returning Thu, Nov 27, priced at $988 found 1 day ago
EVA Airways
Fri, May 8 - Sat, May 23
SFO
San Francisco
CEI
Chiang Rai
$992 Roundtrip, found 6 hours ago
$992
Roundtrip
found 6 hours ago
Select EVA Airways flight, departing Fri, May 8 from San Francisco to Chiang Rai, returning Sat, May 23, priced at $992 found 6 hours ago
EVA Airways
Wed, Jan 7 - Thu, Jan 29
SFO
San Francisco
CEI
Chiang Rai
$1,004 Roundtrip, found 4 hours ago
$1,004
Roundtrip
found 4 hours ago
Select EVA Airways flight, departing Wed, Jan 7 from San Francisco to Chiang Rai, returning Thu, Jan 29, priced at $1,004 found 4 hours ago
EVA Airways
Sat, Jan 10 - Sun, Jan 25
SFO
San Francisco
CEI
Chiang Rai
$1,014 Roundtrip, found 3 hours ago
$1,014
Roundtrip
found 3 hours ago
Select EVA Airways flight, departing Sat, Jan 10 from San Francisco to Chiang Rai, returning Sun, Jan 25, priced at $1,014 found 3 hours ago
Singapore Airlines
Fri, May 8 - Sat, May 23
SFO
San Francisco
CEI
Chiang Rai
$1,133 Roundtrip, found 6 hours ago
$1,133
Roundtrip
found 6 hours ago
Select Singapore Airlines flight, departing Fri, May 8 from San Francisco to Chiang Rai, returning Sat, May 23, priced at $1,133 found 6 hours ago
All Nippon Airways
Fri, May 8 - Sat, May 23
SFO
San Francisco
CEI
Chiang Rai
$1,236 Roundtrip, found 6 hours ago
$1,236
Roundtrip
found 6 hours ago
Select All Nippon Airways flight, departing Fri, May 8 from San Francisco to Chiang Rai, returning Sat, May 23, priced at $1,236 found 6 hours ago
Lufthansa
Mon, Dec 1 - Sat, Dec 27
SFO
San Francisco
CEI
Chiang Rai
$2,852 Roundtrip, found 6 days ago
$2,852
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Dec 1 from San Francisco to Chiang Rai, returning Sat, Dec 27, priced at $2,852 found 6 days ago

Alternative airports near Chiang Rai

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

Select flight to Chiang Rai Intl. CEI. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,560
CEI
Chiang Rai Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $1,560

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI) cost?
Secure a cheap one-way flight from $529 or cheap return flight from $944 from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)?
January is the cheapest month to fly from SFO to CEI. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SFO to CEI. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)?
You'll need to hop on a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SFO to CEI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)?
Book a flight from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**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 Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI) last-minute?
Holding off until right before your break to book a flight from SFO to CEI often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a SFO to CEI flight and hotel package?
You'll generally save money by securing a SFO to CEI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Chiang Rai Intl. Airport (CEI)?
Generally, it's possible to reschedule or cancel your SFO to CEI flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Chiang Rai Intl.
Airlines serving
Lufthansa, Singapore Airlines
Roundtrip price
$943
Distance
7602 mi

Book with confidence

San Francisco to Chiang Rai Flights

The cheapest times to fly from San Francisco to Chiang Rai

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 Francisco to Chiang Rai are during the month of January. You can find some of the cheapest flights from San Francisco to Chiang Rai with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Chiang Rai

Sunday is one of the best days to book for cheap flights from San Francisco to Chiang Rai: 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 Francisco to Chiang Rai

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 Francisco to Chiang Rai in 2025. You can also book with separate airlines for your outbound and return journeys, from $529 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 Francisco to Chiang Rai 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 Francisco to Chiang Rai 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.

 

San Francisco to Chiang Rai Flights

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*Available to One Key members.