Flights from San Francisco to Red River Delta

Flight deals from San Francisco to Red River Delta

Looking for cheap flights from San Francisco to Red River Delta, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Hanoi.$271 per passenger.Departing Mon, Dec 8.One-way flight with China Southern.Outbound indirect flight with China Southern, departing from San Francisco International on Mon, Dec 8, arriving in Hanoi.Price includes taxes and charges.From $271, select.

Haiphong.$495 per passenger.Departing Fri, Nov 28.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departing from San Francisco International on Fri, Nov 28, arriving in Haiphong.Price includes taxes and charges.From $495, select.

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Flying from San Francisco to Red River Delta

Arm yourself with these facts on the fly.

Cheapest flight found	$271
Cheapest month to fly	December
Cheapest airport to fly from	San Francisco International

How to find cheap flights from San Francisco to Red River Delta

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from San Francisco to Red River Delta. Other savvy travelers recently found round-trip flights from $513 and one-way tickets from $271. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Francisco International into Hanoi

At the moment, the lowest-priced flight tickets to Red River Delta are from San Francisco International Airport to Hanoi Airport.

Fly in December

We crunched the flight calendar and found the cheapest time to fly from San Francisco to Red River Delta is currently December.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Francisco to anywhere you choose in Red River Delta.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from San Francisco to Red River Delta go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Red River Delta to Red River Delta flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Francisco to Red River Delta flight price?

We looked at all of the upcoming round-trip flights from San Francisco to Red River Delta we could find over the next 12 months. It looks like $513 is the best price. This is good, compared to the average Red River Delta ticket price of $933.

What is the cheapest month to fly from San Francisco to Red River Delta?

The cheapest month to fly from San Francisco to Hanoi Airport is currently December. The cheapest month to fly from San Francisco to Haiphong Airport is usually December.

On which upcoming date is it cheapest to fly from San Francisco to Red River Delta?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Francisco to Red River Delta on Monday, December 8, 2025.

Are there any direct flights from San Francisco to Red River Delta?

Currently, there aren't any direct flights from San Francisco to Red River Delta, but you can still fly with a stopover.

If I'm flying from San Francisco, where in Red River Delta is cheapest to fly to?

If you're flying from San Francisco, the cheapest city in Red River Delta to fly into is Hanoi. The cheapest airport serving Hanoi at the moment is Hanoi.