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Cheap flights from San Francisco to Vietnam

SFO — SGN
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from San Francisco to Vietnam

Popular in

December

Cheapest in

October

Average price

£584
Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from San Francisco to Vietnam

How far ahead should I book a flight from San Francisco to Vietnam?

To ensure you get the cheapest price possible for a flight from San Francisco to Vietnam, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Vietnam?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Vietnam (average of £574). Flying from San Francisco to Vietnam in December is currently the most expensive (average of £988). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to VN?

When flying from San Francisco to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

  • What airport do you fly from for flights from San Francisco to Vietnam?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Vietnam. It is only a 11.0 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How popular is this San Francisco to Vietnam flight route?

    Flights from San Francisco to Vietnam have been viewed 1 times in the past calendar month.

  • Can I find deals for flights from San Francisco to Vietnam that include hotel bookings?

    Yes. In addition to deals on San Francisco to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Vietnam.

  • Can I find deals for business class flights from San Francisco to Vietnam?

    Yes. Cheapflights offers flight deals from San Francisco to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Vietnam?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Vietnam (average of £574). Flying from San Francisco to Vietnam in December is currently the most expensive (average of £988). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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How does Cheapflights help users find flights from San Francisco to Vietnam?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Vietnam. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Vietnam?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Vietnam.

Can Cheapflights find flights from San Francisco to Vietnam with no change fees?

Certainly. Search results for flights to Vietnam from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Vietnam become cheaper?

Yes! Start tracking prices for San Francisco to Vietnam flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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