Your next trip, last seen at €412
When to fly
Explore datesFind the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
- Lowest observed
- €412, departing 6 Dec 2026 (Last checked: 8 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern, EVA Air +8 more
- Typical journey time
- 16h 50m
About this route
Explore the fares we observed from Hanoi to San Francisco. Prices move often, so pick your dates to see the latest options.
- Route distance
- 11,759 km
- Typical journey time
- 16h 50m
- Airlines seen
- Alaska Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern, EVA Air +8 more
- Seen on fares with a connection
- Cathay Pacific, Asiana Airlines, China Southern, STARLUX Airlines, Vietnam Airlines, EVA Air +5 more
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- Noi Bai International Airport (HAN) → Hanoi, city gazetteer reference point (21.0278, 105.8342): ≈ 22 km.
- San Francisco International Airport (SFO) → San Francisco, city gazetteer reference point (37.7749, -122.4194): ≈ 18 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Hanoi to San Francisco?
The lowest fare we have observed is €412, found on 8 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Hanoi to San Francisco?
In our observations December 2026 is the cheapest month so far, at €412.
Are there direct flights from Hanoi to San Francisco?
Our data holds no non-stop flight from Hanoi to San Francisco. The fares on this page include at least one stop.
Which airlines fly from Hanoi to San Francisco?
These are the carriers we have seen on the route: Alaska Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern, EVA Air +8 more.
How long does the flight from Hanoi to San Francisco take?
The average journey time across the 85 fares we observed is 20h 45m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Hanoi to San Francisco fares were non-stop?
None of the 86 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 8 Oct 2026