HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Rai

$1,190+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CEI
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
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.

Find 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 June 26, 2025.

This Trip.com deal was found by Cheapflights users on 6/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:40 amSFO - CEI
2 stops41h 55mMultiple Airlines
Wed 1/1410:15 amCEI - SFO
2 stops36h 35mMultiple Airlines
Deal found 6/25$1,190
This Lufthansa deal was found by Cheapflights users on 6/25. 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.
Tue 12/301:30 pmSFO - CEI
2 stops37h 50mLufthansa
Thu 1/156:55 pmCEI - SFO
2 stops39h 40mLufthansa
Deal found 6/25$2,326

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 June 26, 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 12/7

9:40 pm-6:20 pm

2 stops29h 40m

Chiang Rai

Tue 12/23

6:55 pm-2:50 pm

2 stops34h 55m

$3,400

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Mon 11/3

9:12 pm-8:10 am

3 stops43h 58m

$1,223

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

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.

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.

  • 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.

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
San Jose to Suvarnabhumi flights
Burbank to Suvarnabhumi flights
Santa Ana to Suvarnabhumi flights
Las Vegas to Suvarnabhumi flights
Oakland to Suvarnabhumi flights
San Francisco to Don Mueang Intl flights
San Diego to Suvarnabhumi flights
Santa Rosa to Suvarnabhumi flights
Los Angeles to Phuket City flights
San Francisco to Chiang Mai flights
San Francisco to Phuket City flights
Sacramento to Suvarnabhumi flights
Reno to Suvarnabhumi flights
Ontario to Phuket City flights
Los Angeles to Chiang Mai flights
Santa Ana to Phuket City flights
Medford to Suvarnabhumi flights
San Jose to Phuket City flights
Long Beach to Suvarnabhumi flights
Oakland to Phuket City flights
Burbank to Phuket City flights
Los Angeles to Ko Samui flights
Ontario to Chiang Mai flights
Fresno to Suvarnabhumi flights
Las Vegas to Phuket City flights
San Francisco to Ko Samui flights
San Diego to Don Mueang Intl flights
Burbank to Chiang Mai flights
San Jose to Chiang Mai flights
Las Vegas to Don Mueang Intl flights
Los Angeles to Krabi flights
Ontario to Don Mueang Intl flights
Long Beach to Phuket City flights
Santa Ana to Chiang Mai flights
Arcata to Suvarnabhumi flights
Oakland to Chiang Mai flights
San Francisco to Rayong flights
Palm Springs to Suvarnabhumi flights
San Diego to Phuket City flights
San Francisco to Krabi flights
Sacramento to Phuket City flights
Santa Ana to Krabi flights
Las Vegas to Chiang Mai 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.