Round-trip, 1 stop flights from San Francisco (SFO) to Bangkok, Thailand (BKK) for $672 on Singapore Airlines. If your plans are set in stone, you can get these flights for $660 without change or refund options.
This is an Economy Value fare, which includes one carry-on bag and two checked bags. Ticket changes are $150 and cancellations are $300.
There are limited dates available for this fare. Don’t wait to book it or it may be gone. Be aware that for most dates, these flights have long layovers in Singapore on both legs of the journey.
Average fare SFO-BKK one-stop flights: $842
(previous 12 months, all airlines, basic economy)
Example Dates
At time of publication, this fare was available for departures in Jan. – Feb. 2026. These dates are examples only. More dates may be available at this price. See the “How to Book” section below for details.
***See images below for available dates for this fare.***
- Depart Jan. 20 – 22 / Return Jan. 27, 28
How to Book this Fare
There are 2 ways to quickly search for flights on the Singapore Airlines website:
- A fare calendar opens when you click into the date field in the flight search form. You can use this to quickly scan for low the lowest fares by month.
- Adjust the trip length at the bottom of the calendar to find low-price date combinations.
- Perform a flight search. Above the flight search results, there is a small link: “See-7-day fares”. Click it to open a 7-day calendar with the lowest fares highlighted.
- On this calendar, use the “Next 7 days” or “Previous 7 days” links to navigate to different departure and return date ranges.
- Click the desired price and dates, then scroll down and click “Next”.
- Select the flights and fare type you want and follow the instructions to complete the booking.
- If you don’t see the flights in the search results, look for the “Show all flights” link at the bottom of the page.
- Select your desired flights and fare type and follow the instructions to complete the booking.
Flight deals are accurate and available at time of publication. Sale fares disappear quickly – if it’s been more than 24-72 hours since this deal was posted or updated, chances are it’s no longer available.
Booking Dates
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