$1,756 Cheap Flights from San Francisco (SFO) to Rach Gia (VKG)

View $1,756 flight on Mon, Dec 22, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Rach Gia (VKG)

Cheap Flights from San Francisco to Rach Gia (SFO-VKG)

Prices were available within the past 7 days and start at $1,756 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from San Francisco (SFO) to Rach Gia (VKG)
Origin airport
San Francisco Intl.
Destination airport
Rach Gia
Distance
7939 mi

San Francisco to Rach Gia Flights

The cheapest times to fly from San Francisco to Rach Gia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Rach Gia are during the month of . You can find some of the cheapest flights from San Francisco to Rach Gia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Rach Gia

Sunday is one of the best days to book for cheap flights from San Francisco to Rach Gia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Rach Gia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Rach Gia in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,756 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Rach Gia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Rach Gia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG) cost?
Grab a cheap one-way flight from $1,756 or cheap return flight from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG)?
The cheapest month to fly from SFO to VKG is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from SFO to VKG. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG)?
There aren't any daily direct flights available from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SFO to VKG?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG)?
Book a flight from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG) last-minute?
Waiting until just before your trip to book your flight from SFO to VKG generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a SFO to VKG flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to VKG flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Rach Gia Airport (VKG)?
It's generally possible to reschedule or cancel your SFO to VKG flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.