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San Francisco, United States to Chiang Mai, Thailand for only $849 USD roundtrip

Fly cheap from San Francisco, United States to Chiang Mai, Thailand for only $849 USD roundtrip with Korean Air.

April 24, 2025


BOOK ON KIWI ⚠️ Heads up: Deals typically expire within 2 to 3 days after they are sent. Prices may also increase slightly after 30 minutes, so act quickly!

Alternative Checkout Options
Book on Kiwi
Book on CheapOair
Deal Details
From:
🇺🇸 San Francisco (SFO), United States
To:
🇹🇭 Chiang Mai (CNX), Thailand
Travel Between:
09 November 2025 To 17 November 2025
Class:
ECONOMY
Price:
$849 Save $266
Normal Price:
$1,115
Airlines:
Korean Air
Expiration Details:
These fares will last no more than 1-2 days and typically go up within 30 minutes.
How To Book
Note: To find the cheapest available fares, click the 'Pick a date' button. You'll be redirected to Kiwi.com with the flight dates pre-filled and the cabin class set to Economy by default. You can change it to your preferred class at any time.
Travel Dates
From Date To Date
November 09, 2025 November 17, 2025
Options
Baggage allowance:
1 checked bags 1 hand bags
Intermediate stops:
ICN
Business Class:
No
Round-trip:
Yes
Non-stop:
No

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