$496+ Cheap flights from San Francisco (SFO) to Chiang Mai (CNX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CNX
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Chiang Mai 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
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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 Mai
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Best
Last-minute
One-way
Cheapest flights from San Francisco to Chiang MaiExplore the most affordable flight options available from San Francisco to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
Explore the most affordable flight options available from San Francisco to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
This China Eastern deal was found by Cheapflights users on 5/7. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Wed 11/114:25 pm
CNX
- SFO
2 stops31h 35m
China Eastern
Deal found 5/7![China Eastern logo]()
$763
This KAYAK deal was found by Cheapflights users on 5/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Wed 12/93:35 pm
CNX
- SFO
1 stop32h 25m
China Eastern
Deal found 5/9![China Eastern logo]()
$807
This FlightHub deal was found by Cheapflights users on 5/5. 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 9/1412:00 pm
SFO
- CNX
1 stop35h 25m
China Eastern
Fri 10/232:55 pm
CNX
- SFO
1 stop32h 10m
China Eastern
Deal found 5/5![China Eastern logo]()
$810
This FlightHub deal was found by Cheapflights users on 5/9. 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.
Thu 11/2612:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Wed 12/93:35 pm
CNX
- SFO
1 stop32h 25m
China Eastern
Deal found 5/9![China Eastern logo]()
$811
This KAYAK deal was found by Cheapflights users on 5/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Fri 12/410:05 am
CNX
- SFO
3 stops37h 55m
China Eastern
Deal found 5/9![China Eastern logo]()
$814
This Ovago deal was found by Cheapflights users on 5/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am
SFO
- CNX
2 stops40h 20m
China Eastern
Fri 12/43:35 pm
CNX
- SFO
1 stop32h 25m
China Eastern
Deal found 5/9![China Eastern logo]()
$818
This KAYAK deal was found by Cheapflights users on 5/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:00 pm
SFO
- CNX
2 stops30h 05m
China Eastern
Tue 12/84:25 pm
CNX
- SFO
3 stops55h 35m
China Eastern
Deal found 5/9![China Eastern logo]()
$821
This Justfly.com deal was found by Cheapflights users on 5/7. 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.
Sat 10/311:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Sat 11/144:25 pm
CNX
- SFO
2 stops55h 35m
China Eastern
Deal found 5/7![China Eastern logo]()
$826
Best flights from San Francisco to Chiang MaiDiscover carefully curated flight deals from San Francisco to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
Discover carefully curated flight deals from San Francisco to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
This FlightHub deal was found by Cheapflights users on 5/5. 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 9/1412:00 pm
SFO
- CNX
3 stops31h 15m
China Eastern
Fri 10/2310:05 am
CNX
- SFO
3 stops37h 00m
China Eastern
Deal found 5/5![China Eastern logo]()
$814
This KAYAK deal was found by Cheapflights users on 5/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:00 pm
SFO
- CNX
1 stop39h 40m
Cathay Pacific
Thu 10/2910:35 am
CNX
- SFO
1 stop25h 40m
Cathay Pacific
Deal found 5/5![Cathay Pacific logo]()
$1,004
This Justfly.com deal was found by Cheapflights users on 5/5. 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.
Tue 10/1311:45 am
SFO
- CNX
1 stop38h 50m
Singapore Airlines
Wed 10/2111:30 am
CNX
- SFO
1 stop36h 20m
Singapore Airlines
Deal found 5/5![Singapore Airlines logo]()
$1,016
This China Airlines deal was found by Cheapflights users on 5/7. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:05 am
SFO
- CNX
1 stop19h 15m
China Airlines
Fri 11/611:25 am
CNX
- SFO
2 stops36h 00m
China Airlines
Deal found 5/7![China Airlines logo]()
$1,225
This Mytrip deal was found by Cheapflights users on 5/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:45 pm
SFO
- CNX
2 stops33h 55m
Multiple Airlines
Tue 8/115:35 pm
CNX
- SFO
3 stops34h 05m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,385
This Korean Air deal was found by Cheapflights users on 5/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:00 pm
SFO
- CNX
2 stops65h 45m
Korean Air
Thu 11/512:15 am
CNX
- SFO
2 stops47h 10m
Korean Air
Deal found 5/7![Korean Air logo]()
$1,393
This FlightHub deal was found by Cheapflights users on 5/10. 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.
Sun 7/191:25 am
SFO
- CNX
1 stop19h 00m
EVA Air
Sun 7/268:00 pm
CNX
- SFO
2 stops25h 20m
EVA Air
Deal found 5/10![EVA Air logo]()
$1,557
This China Eastern deal was found by Cheapflights users on 5/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:00 pm
SFO
- CNX
2 stops31h 15m
China Eastern
Thu 10/2910:05 am
CNX
- SFO
2 stops61h 55m
China Eastern
Deal found 5/5![China Eastern logo]()
$821
This China Eastern deal was found by Cheapflights users on 5/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:00 pm
SFO
- CNX
1 stop35h 20m
China Eastern
Mon 11/23:35 pm
CNX
- SFO
2 stops38h 33m
China Eastern
Deal found 5/5![China Eastern logo]()
$906
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:30 pm
SFO
- CNX
3 stops31h 10m
Multiple Airlines
Thu 6/1810:20 pm
CNX
- SFO
2 stops35h 35m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,746
This China Airlines deal was found by Cheapflights users on 5/8. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:05 am
SFO
- CNX
1 stop19h 15m
China Airlines
Fri 7/311:20 am
CNX
- SFO
1 stop23h 10m
China Airlines
Deal found 5/8![China Airlines logo]()
$1,914
This CheapOair deal was found by Cheapflights users on 5/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:03 pm
SFO
- CNX
2 stops24h 17m
Multiple Airlines
Thu 6/1811:55 am
CNX
- SFO
2 stops22h 35m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,817
Last-minute flights from San Francisco to Chiang MaiDiscover last-minute flight deals from San Francisco to Chiang Mai. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Chiang Mai. Data last updated May 10, 2026 and is based on user searches.
This IEagle deal was found by Cheapflights users on 5/9. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:15 am
SFO
- CNX
1 stop19h 10m
EVA Air
Mon 5/258:00 pm
CNX
- SFO
2 stops34h 10m
EVA Air
Deal found 5/9![EVA Air logo]()
$1,110
This IEagle deal was found by Cheapflights users on 5/9. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:50 am
SFO
- CNX
2 stops22h 55m
Multiple Airlines
Mon 5/259:10 pm
CNX
- SFO
2 stops23h 35m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,115
This FlightHub deal was found by Cheapflights users on 5/6. 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 5/1112:50 am
SFO
- CNX
1 stop19h 35m
Multiple Airlines
Sun 5/3111:35 am
CNX
- SFO
2 stops38h 46m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,136
This FlightHub deal was found by Cheapflights users on 5/7. 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 5/1112:30 pm
SFO
- CNX
1 stop31h 55m
Multiple Airlines
Fri 5/2911:35 am
CNX
- SFO
2 stops38h 46m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,174
This oojo deal was found by Cheapflights users on 5/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:30 pm
SFO
- CNX
1 stop31h 55m
EVA Air
Fri 5/2911:35 am
CNX
- SFO
1 stop18h 35m
EVA Air
Deal found 5/7![EVA Air logo]()
$1,177
This FlightHub deal was found by Cheapflights users on 5/9. 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.
Tue 5/1212:30 pm
SFO
- CNX
2 stops30h 50m
EVA Air
Sun 5/3111:35 am
CNX
- SFO
1 stop33h 10m
EVA Air
Deal found 5/9![EVA Air logo]()
$1,149
This China Eastern deal was found by Cheapflights users on 5/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:00 pm
SFO
- CNX
1 stop35h 25m
China Eastern
Tue 5/2610:05 am
CNX
- SFO
2 stops61h 00m
China Eastern
Deal found 5/5![China Eastern logo]()
$1,086
One-way flights from San Francisco to Chiang MaiSearch for one-way flight options from San Francisco to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
Search for one-way flight options from San Francisco to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This Trip.com deal was found by Cheapflights users on 5/9. 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.
Tue 11/312:30 am
SFO
- CNX
2 stops29h 50m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$496
This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:00 pm
SFO
- CNX
1 stop38h 40m
Cathay Pacific
Deal found 5/7![Cathay Pacific logo]()
$509
This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:40 am
SFO
- CNX
1 stop20h 15m
Delta
Deal found 5/9![Delta logo]()
$538
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Tue 9/18:55 am
SFO
- CNX
2 stops38h 30m
China Eastern
Deal found 5/6![China Eastern logo]()
$559
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:05 am
SFO
- CNX
1 stop19h 15m
China Airlines
Deal found 5/6![China Airlines logo]()
$577
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Tue 9/156:59 pm
SFO
- CNX
2 stops52h 26m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:30 am
SFO
- CNX
2 stops23h 10m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$591
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:40 pm
SFO
- CNX
2 stops32h 35m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$669
Find flight deals from San Francisco to Chiang Mai
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Chiang Mai (CNX). 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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $810 (FlightHub) |
One-way from | $496 (Trip.com) |
Popular in | December |
Cheapest in | March |
Average price | $1,272 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Chiang Mai 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 May 10, 2026.
Use the filters below to find and compare flights from San Francisco to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Mon 9/14
12:00 pm-9:15 am
3 stops31h 15m
Chiang Mai
Fri 10/23
10:05 am-9:05 am
3 stops37h 00m
$814
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Mon 10/19
12:00 pm-9:15 am
2 stops31h 15m
Chiang Mai
Thu 10/29
10:05 am-10:00 am
2 stops61h 55m
$821
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Thu 10/29
1:00 pm-2:20 pm
1 stop35h 20m
Chiang Mai
Mon 11/2
3:35 pm-3:08 pm
2 stops38h 33m
$906
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Mon 10/19
1:00 pm-6:40 pm
1 stop39h 40m
Chiang Mai
Thu 10/29
10:35 am-10:15 pm
1 stop25h 40m
$1,004
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Tue 10/13
11:45 am-4:35 pm
1 stop38h 50m
Chiang Mai
Wed 10/21
11:30 am-9:50 am
1 stop36h 20m
$1,016
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Mon 10/12
1:05 am-10:20 am
1 stop19h 15m
Chiang Mai
Fri 11/6
11:25 am-8:25 am
2 stops36h 00m
$1,225
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Wed 7/22
6:45 pm-6:40 pm
2 stops33h 55m
Chiang Mai
Tue 8/11
5:35 pm-1:40 pm
3 stops34h 05m
$1,385
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Fri 10/16
1:00 pm-8:45 pm
2 stops65h 45m
Chiang Mai
Thu 11/5
12:15 am-8:25 am
2 stops47h 10m
$1,393
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Sun 7/19
1:25 am-10:25 am
1 stop19h 00m
Chiang Mai
Sun 7/26
8:00 pm-7:20 am
2 stops25h 20m
$1,557
San FranciscoChiang Mai
SFO - CNX
SFOCNX
San Francisco
Tue 6/2
4:30 pm-1:40 pm
3 stops31h 10m
Chiang Mai
Thu 6/18
10:20 pm-7:55 pm
2 stops35h 35m
$1,746
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Chiang Mai
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 Mai in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Francisco-Chiang Mai 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 Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Chiang Mai flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Chiang Mai 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 Mai 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 Mai
Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from San Francisco with our price prediction graph.
SFO-CNX
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 Mai
How far ahead should I book a flight from San Francisco to Chiang Mai?
The price you pay for your flight from San Francisco to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Chiang Mai?
Currently, March is the cheapest month in which you can book a flight from San Francisco to Chiang Mai (average of $732). Flying from San Francisco to Chiang Mai in December is currently the most expensive (average of $1,403). 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.
How much does it cost to fly round-trip from San Francisco to Chiang Mai?
Reviews of airlines servicing Chiang Mai
Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated May 10, 2026.
Read reviews from past customers who have flown STARLUX Airlines,EVA Air, andKorean Air from San Francisco to Chiang Mai. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Entertainment
8.8
Comfort
8.9
Crew
9.2
Boarding
9.0
Food
8.7
Overall
8.9
Reviews
1 / 12
10.0
Excellentember j,Apr 2026
TPE - ONT
Related info for your journey
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San Francisco and Chiang Mai flights
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Top 5 airlines flying from San Francisco to Chiang Mai
Discover the top 5 airlines that operate flights from San Francisco to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$637 | Average$733 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$682 | Average$760 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$766 | Average$781 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$795 | Average$1,122 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$800 | Average$934 | FlexibilityNo cancel fee | On-time74% |