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

EVA Air can get you from San Francisco to Chiang Rai in just under 30h 40m. Your travel time can differ by up to . The distance from San Francisco to Chiang Rai is about 7598 mi.

What is the cheapest time of day to fly from SFO to CEI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Chiang Rai as you normally would.

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.

$1,172+ Cheap Flights from San Francisco to Chiang Rai

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$1,172 (Trip.com)

From San Francisco to Chiang Rai

Search Deals

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 September 15, 2025.

Wed 12/1011:30 pmSFO - CEI

2 stops25h 25mMultiple Airlines

Wed 1/218:40 amCEI - SFO

2 stops21h 20mMultiple Airlines

Deal found 9/14

$1,172

Wed 9/171:00 amSFO - CEI

2 stops27h 20mMultiple Airlines

Thu 9/2510:10 amCEI - SFO

2 stops23h 50mMultiple Airlines

Deal found 9/13

$2,012

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 September 15, 2025.

Wed 12/1011:30 pmSFO - CEI

2 stops25h 25mMultiple Airlines

Wed 1/218:40 amCEI - SFO

2 stops21h 20mMultiple Airlines

Deal found 9/14

$1,172

Thu 9/181:00 pmSFO - CEI

2 stops30h 40mEVA Air

Thu 9/251:40 pmCEI - SFO

2 stops20h 20mEVA Air

Deal found 9/13

$2,012

Thu 9/188:45 amSFO - CEI

3 stops34h 55mMultiple Airlines

Thu 9/251:40 pmCEI - SFO

2 stops20h 20mMultiple Airlines

Deal found 9/13

$2,348

Last-minute flights from San Francisco to Chiang Rai
Discover last-minute flight deals from San Francisco to Chiang Rai. Data last updated September 15, 2025 and is based on user searches.

Wed 9/171:00 amSFO - CEI

2 stops27h 20mMultiple Airlines

Thu 9/2510:10 amCEI - SFO

2 stops23h 50mMultiple Airlines

Deal found 9/13

$2,012

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Chiang Rai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Wed 12/10

11:30 pm-3:55 pm

2 stops25h 25m

Chiang Rai

Wed 1/21

8:40 am-3:00 pm

2 stops21h 20m

$1,172

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Thu 9/18

1:00 pm-9:40 am

2 stops30h 40m

Chiang Rai

Thu 9/25

1:40 pm-8:00 pm

2 stops20h 20m

$2,012

San FranciscoChiang Rai

SFO - CEI

SFOCEI

San Francisco

Thu 9/18

8:45 am-9:40 am

3 stops34h 55m

Chiang Rai

Thu 9/25

1:40 pm-8:00 pm

2 stops20h 20m

$2,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

How long is the flight from San Francisco to Chiang Rai?
EVA Air can get you from San Francisco to Chiang Rai in just under 30h 40m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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.

$1,172+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Chiang Rai with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Chiang Rai

Round-trip from

Find flight deals from San Francisco to Chiang Rai

Cheapest flights from San Francisco to Chiang RaiExplore 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 September 15, 2025.

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 September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Chiang Rai that are best for you.

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.

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?

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

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

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

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.

100% Free

Book with Flexibility

Travel Smart

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 September 15, 2025.