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Chiang Rai

$1,173+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CEI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from San Francisco to Chiang Rai

Best flights from San Francisco to Chiang Rai
Discover carefully curated flight deals from San Francisco to Chiang Rai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

This Singapore Airlines deal was found by Cheapflights users on 10/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:40 amSFO - CEI
1 stop31h 20mSingapore Airlines
Thu 3/197:25 pmCEI - SFO
1 stop27h 25mSingapore Airlines
Deal found 10/14$1,173
This Lufthansa deal was found by Cheapflights users on 10/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/152:30 pmSFO - CEI
2 stops37h 50mLufthansa
Thu 3/196:55 pmCEI - SFO
2 stops34h 55mLufthansa
Deal found 10/14$3,951

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,173
(Singapore Airlines)
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
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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 October 16, 2025.
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

Sun 3/15

10:40 am-8:00 am

1 stop31h 20m

Chiang Rai

Thu 3/19

7:25 pm-8:50 am

1 stop27h 25m

$1,173

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Sun 3/15

2:30 pm-6:20 pm

2 stops37h 50m

Chiang Rai

Thu 3/19

6:55 pm-3:50 pm

2 stops34h 55m

$3,951

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 $689). Flying from San Francisco to Chiang Rai in June is currently the most expensive (average of $1,046). 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 and Lufthansa can get you from San Francisco to Chiang Rai in just under 31h 20m. Your travel time can differ by up to 6h 30m. The distance from San Francisco to Chiang Rai is about 7598 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $689). Flying from San Francisco to Chiang Rai in June is currently the most expensive (average of $1,046). 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

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