Cheap flights from San Francisco to Hanoi
Cheapest current fares: $590 in October 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Francisco (SFO) to Hanoi (HAN). Refreshed daily.
San Francisco (SFO) → Hanoi (HAN)
- October 2026 $590
- June 2026 $794
Frequently asked questions
-
What is the cheapest month to fly from San Francisco to Hanoi?
Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from San Francisco (SFO) to Hanoi (HAN), with fares starting from $590.
-
What is the lowest current fare from SFO to HAN?
The lowest currently-listed fare from San Francisco (SFO) to Hanoi (HAN) is $590 on 2026-10-09.
-
Is there a direct flight from San Francisco to Hanoi?
There is currently no non-stop service from SFO to HAN. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.