HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Rai

$909+ Cheap flights from San Francisco (SFO) to Chiang Rai (CEI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CEI
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Chiang Rai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to Chiang Rai

Cheapest flights from San Francisco to Chiang Rai
Explore the most affordable flight options available from San Francisco to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:50 pm
SFO
-
CEI
2 stops23h 05m
Multiple Airlines
Mon 3/92:25 pm
CEI
-
SFO
2 stops19h 15m
Multiple Airlines
Deal found 2/2$909
This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 am
SFO
-
CEI
1 stop66h 10m
Singapore Airlines
Mon 3/97:25 pm
CEI
-
SFO
1 stop27h 25m
Singapore Airlines
Deal found 2/2$956

Find flight deals from San Francisco to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Chiang Rai (CEI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$909
(FlightHub)
Provider with most accurate pricing for San Francisco-Chiang Rai flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Chiang Rai flights.
Search Deals
From San Francisco to Chiang Rai
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Chiang Rai 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from San Francisco to Chiang Rai that are best for you.

Fly from

San Francisco

Fly to

Chiang Rai

Route

Depart

Return

Price

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Mon 3/2

11:50 pm-1:55 pm

2 stops23h 05m

Chiang Rai

Mon 3/9

2:25 pm-7:40 pm

2 stops19h 15m

$909

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Mon 3/2

9:40 am-6:50 pm

1 stop66h 10m

Chiang Rai

Mon 3/9

7:25 pm-8:50 am

1 stop27h 25m

$956

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Compare providers for flights from San Francisco to Chiang Rai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Chiang Rai in February.
ProviderPrice AccuracyTrust Score*
CheapfaremartPrice Accuracy-Trust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Chiang Rai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Chiang Rai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Chiang Rai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Chiang Rai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Chiang Rai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Chiang Rai

What is the cheapest month to book a flight from San Francisco to Chiang Rai?

Currently, November is the cheapest month in which you can book a flight from San Francisco to Chiang Rai (average of $669). Flying from San Francisco to Chiang Rai in December is currently the most expensive (average of $1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Chiang Rai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Francisco to Chiang Rai?

    Singapore Airlines can get you from San Francisco to Chiang Rai in just under 66h 10m. Your travel time can differ by up to . The distance from San Francisco to Chiang Rai is about 7598 mi.

  • Can I find deals for flights from San Francisco to Chiang Rai that include hotel bookings?

    Yes. In addition to deals on San Francisco to Chiang Rai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Chiang Rai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Chiang Rai.

  • Can I find deals for business class flights from San Francisco to Chiang Rai?

    Yes. Cheapflights offers flight deals from San Francisco to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Chiang Rai?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Chiang Rai (average of $669). Flying from San Francisco to Chiang Rai in December is currently the most expensive (average of $1,076). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Chiang Rai

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Suvarnabhumi flights
San Francisco to Suvarnabhumi flights
Ontario to Suvarnabhumi flights
Los Angeles to Don Mueang Intl flights
Santa Ana to Suvarnabhumi flights
Las Vegas to Suvarnabhumi flights
San Francisco to Don Mueang Intl flights
San Jose to Suvarnabhumi flights
Los Angeles to Phuket City flights
Burbank to Suvarnabhumi flights
San Diego to Suvarnabhumi flights
Oakland to Suvarnabhumi flights
San Francisco to Phuket City flights
Sacramento to Suvarnabhumi flights
Reno to Suvarnabhumi flights
Los Angeles to Chiang Mai flights
San Francisco to Chiang Mai flights
Ontario to Phuket City flights
Santa Ana to Phuket City flights
Medford to Suvarnabhumi flights
Long Beach to Suvarnabhumi flights
Los Angeles to Ko Samui flights
Las Vegas to Phuket City flights
San Francisco to Ko Samui flights
Santa Rosa to Suvarnabhumi flights
Oakland to Phuket City flights
San Diego to Phuket City flights
San Jose to Phuket City flights
Fresno to Suvarnabhumi flights
Burbank to Phuket City flights
Palm Springs to Suvarnabhumi flights
Las Vegas to Don Mueang Intl flights
Ontario to Chiang Mai flights
Las Vegas to Ko Samui flights
Los Angeles to Krabi flights
San Jose to Chiang Mai flights
Oakland to Chiang Mai flights
Arcata to Suvarnabhumi flights
Santa Ana to Chiang Mai flights
Las Vegas to Chiang Mai flights
Sacramento to Phuket City flights
Monterey to Suvarnabhumi flights
Ontario to Don Mueang Intl flights
San Diego to Chiang Mai flights
San Francisco to Krabi flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.