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Cheap Flights from San Francisco International to Hanoi

Compare San Francisco International to Hanoi flight deals

Find the cheapest month or even day of the year to fly to Hanoi

Book the best Hanoi fare with no extra fees

Flight deals from San Francisco International to Hanoi

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Hanoi? Find the lowest prices on one-way and return tickets right here.
Hanoi.R 4,697 per passenger.Departing Mon, 8 Dec.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from San Francisco International on Mon, 8 Dec, arriving in Hanoi.Price includes taxes and charges.From R 4,697, select.
Hanoi.R 6,053 per passenger.Departing Mon, 16 Mar.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from San Francisco International on Mon, 16 Mar, arriving in Hanoi.Price includes taxes and charges.From R 6,053, select.
Hanoi.R 6,053 per passenger.Departing Sat, 21 Feb.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from San Francisco International on Sat, 21 Feb, arriving in Hanoi.Price includes taxes and charges.From R 6,053, select.
Hanoi.R 6,056 per passenger.Departing Tue, 27 Jan.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from San Francisco International on Tue, 27 Jan, arriving in Hanoi.Price includes taxes and charges.From R 6,056, select.
Hanoi.R 6,604 per passenger.Departing Sun, 30 Nov.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from San Francisco International on Sun, 30 Nov, arriving in Hanoi.Price includes taxes and charges.From R 6,604, select.
Hanoi.R 6,640 per passenger.Departing Tue, 14 Apr.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from San Francisco International on Tue, 14 Apr, arriving in Hanoi.Price includes taxes and charges.From R 6,640, select.
Hanoi.R 6,710 per passenger.Departing Mon, 27 Oct.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from San Francisco International on Mon, 27 Oct, arriving in Hanoi.Price includes taxes and charges.From R 6,710, select.
Hanoi.R 7,280 per passenger.Departing Fri, 1 May.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Fri, 1 May, arriving in Hanoi.Price includes taxes and charges.From R 7,280, select.
Hanoi.R 10,142 per passenger.Departing Sat, 4 Jul.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from San Francisco International on Sat, 4 Jul, arriving in Hanoi.Price includes taxes and charges.From R 10,142, select.
Hanoi.R 10,437 per passenger.Departing Mon, 15 Jun.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Mon, 15 Jun, arriving in Hanoi.Price includes taxes and charges.From R 10,437, select.

Find the cheapest month to fly from San Francisco International to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Hanoi flights are currently cheapest in December.
Oct
from R 6,710
Nov
from R 6,604
Dec
from R 4,697
Jan
from R 6,056
Feb
from R 6,053
Mar
from R 6,053
Apr
from R 6,640
May
from R 7,280
Jun
from R 10,437
Jul
from R 10,142
Aug
Find prices
Sep
from R 37,086

San Francisco International to Hanoi: Alternative routes

Compare routes from San Francisco International to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

San Francisco to Hanoi: Flight information

The things to know before you go.
Cheapest flight foundR 4,697
Cheapest month to flyDecember

Finding cheap flights from San Francisco International to Hanoi: Frequently asked questions

The best price we found for a return flight from San Francisco International to Hanoi is R 8,888. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to Hanoi. But we found flights with one or more stops from R 8,888.
As of October 2025, there are no flights flying from San Francisco International to Hanoi.
The cheapest month to fly from San Francisco International to Hanoi is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Hanoi Airport on Monday, 8 December 2025.
No airlines currently offer direct flights between San Francisco International Airport and Hanoi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Southern offers the cheapest flight tickets to Hanoi.

Flying from San Francisco International Airport (SFO) to Noi Bai International Airport (HAN): what you need to know

  • Hanoi is 14 hours ahead of San Francisco and observes the UTC+7 timezone.

  • Leave plenty of time to make your SFO to HAN flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as August? School holidays and other high seasons can mean longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from San Francisco International Airport to Noi Bai International Airport. Just deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Here's where you can stop between SFO and HAN:

    • Ninoy Aquino International Airport

    • Narita International Airport

    • Taiwan Taoyuan International Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Noi Bai International Airport (HAN)

  • Currently, R 4,697 is the cheapest price we've seen for a one-way San Francisco International Airport to Noi Bai International Airport flight. The best price for a return ticket is R 8,888. Keep in mind that fares may change due to availability when booking.

  • It's usually smart to book in advance if you're hoping to get cheap tickets from SFO to HAN. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll find the cheapest price in every month when searching for your flight from San Francisco International Airport to Noi Bai International Airport.

  • Never miss a deal on cheap flights from SFO to HAN by creating a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from San Francisco International Airport to Noi Bai International Airport.

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights that leave from San Francisco International Airport touch down at their destination on time.

  • Central San Francisco to San Francisco International Airport is approximately 21 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a trip time of about 45 minutes on public transport.

  • Need a convenient hotel close to SFO? If you're boarding an early flight from San Francisco International Airport to Noi Bai International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Noi Bai International Airport (HAN)

  • If you're arriving on a late San Francisco International Airport to Noi Bai International Airport flight, few things beat the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and snoozing shortly after at one of these hotels near HAN:

  • Venture beyond Hanoi and explore places that usually fly under the radar with your own set of wheels. You can grab a Noi Bai International Airport rental car from Dichung Car Hire.

  • Increase your chances of snagging a great price by booking as early as you can. Reserving your ride from Noi Bai International Airport at least a couple of weeks ahead is a good idea.

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • Noi Bai International Airport is roughly 26 kilometres from the centre of Hanoi. The drive time takes about 35 minutes.

  • Travelling on public transport takes around 1 hour 55 minutes.

When to fly to Noi Bai International Airport (HAN)

  • It's time to work out your dates for your flight from San Francisco International Airport to Noi Bai International Airport. July is the busiest month to visit Hanoi. If you're after a more low-key vibe, go in April.

  • Before locking in your flight from San Francisco International Airport to Noi Bai International Airport, think about the kind of weather you like. June is the warmest month in Hanoi, with temperatures ranging from 25ºC (77ºF) to 36ºC (97ºF).

  • Search for cheap tickets from SFO to HAN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 10ºC (50ºF) and 22ºC (72ºF) on average.

Explore more of Vietnam

  • You've visited Hanoi, now it's time to discover other corners of Vietnam. Travel around 48 kilometres north-west to Việt Trì to check off its must-visit sights. From Vườn Lan Hiền Vũ to Nhà Vườn Tiến An and Vườn lan Ngọc Tân, your itinerary will be busy.

  • Around 225 kilometres east of Hanoi, Móng Cái is another favourite stop in Vietnam. Experience major highlights starting with Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach.

Plan the rest of your trip from San Francisco to Hanoi

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.