San Francisco → Bangkok flights

SFO–BKK median is $424 — budget $420–$445 to land a solid fare

Key takeaways

• $424 is the median one-way fare across 20 daily cached-price snapshots — a reliable anchor for budgeting.
• The bottom quartile sits at $419 or below, meaning roughly one-in-four observed fares came in under that mark.
• The floor of $371 exists but represents a genuine outlier — plan for it as a windfall, not a baseline.
• A 26% spread between low ($371) and high ($466) is meaningful: timing your purchase can realistically save $50–$95 versus the top of the range.
• The interquartile range is tight — $419 to $442 — suggesting most fares cluster within a $23 band, so obsessing over the last dollar is less important than acting when you're in that zone.

30-day price trend

See full numbers and stats on the SFO → BKK price history page.

The full picture

San Francisco to Bangkok is a long-haul market with surprisingly compressed everyday pricing. The $371–$466 range recorded across our 20-day snapshot window spans just 26%, which signals a route where fares don't swing wildly week to week. That's actually good news for planners: you're unlikely to get badly burned by booking a week 'too early,' but you're also unlikely to stumble on a dramatic last-minute collapse. The sweet spot — and the most honest target — is the $419–$442 interquartile band, where half of all observed fares landed.

On a route of this distance (roughly 8,900 miles), fares tend to soften in two windows: 6–10 weeks before departure, when carriers have priced inventory but haven't yet triggered scarcity markups, and occasionally 10–14 days out if business-cabin demand hasn't filled the cabin. Neither pattern is guaranteed, but if your travel dates are flexible, checking prices in the 6–8 week window is a reasonable starting strategy. Fares at or below the $419 p25 threshold are worth acting on promptly — the data suggest they don't persist.

This dataset does not surface a dominant carrier or day-of-week signal, so claims about which airline consistently leads on price or whether mid-week departures are cheaper would not be grounded in what we observed. What the data do support is a simple discipline: set a fare alert at $420, treat anything under $400 as a strong buy, and avoid anchoring to the $371 floor as an expectation. One honest caveat: with 20 samples rather than a full 30-day window, these figures reflect a snapshot, not a comprehensive seasonal trend — fares around holidays or peak summer periods on this route may look materially different.

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