Cheap Flights from Hanoi (HAN) to San Francisco (SFO)

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Compare Hanoi to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Hanoi to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Hanoi Airport to San Francisco International Airport? If you want to travel next month, return fares start from $1,142. Find the lowest prices on one-way and return tickets right here.

San Francisco.$1,142 per passenger.Departing Thu, 10 Sep, returning Thu, 17 Sep.Return flight with Korean Air and Asiana Airlines.Outbound indirect flight with Korean Air, departs from Hanoi on Thu, 10 Sep, arriving in San Francisco International.Inbound indirect flight with Asiana Airlines, departs from San Francisco International on Thu, 17 Sep, arriving in Hanoi.Price includes taxes and charges.From $1,142, select.

San Francisco.$1,172 per passenger.Departing Thu, 19 Nov, returning Wed, 25 Nov.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Thu, 19 Nov, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Wed, 25 Nov, arriving in Hanoi.Price includes taxes and charges.From $1,172, select.

San Francisco.$1,187 per passenger.Departing Sat, 19 Dec, returning Sat, 2 Jan.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Sat, 19 Dec, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Sat, 2 Jan, arriving in Hanoi.Price includes taxes and charges.From $1,187, select.

San Francisco.$1,188 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Hanoi on Tue, 29 Sep, arriving in San Francisco International.Inbound indirect flight with Asiana Airlines, departs from San Francisco International on Tue, 6 Oct, arriving in Hanoi.Price includes taxes and charges.From $1,188, select.

San Francisco.$1,191 per passenger.Departing Mon, 12 Oct, returning Mon, 19 Oct.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Hanoi on Mon, 12 Oct, arriving in San Francisco International.Inbound indirect flight with Asiana Airlines, departs from San Francisco International on Mon, 19 Oct, arriving in Hanoi.Price includes taxes and charges.From $1,191, select.

San Francisco.$1,197 per passenger.Departing Tue, 3 Nov, returning Wed, 30 Dec.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Hanoi on Tue, 3 Nov, arriving in San Francisco International.Inbound indirect flight with Korean Air, departs from San Francisco International on Wed, 30 Dec, arriving in Hanoi.Price includes taxes and charges.From $1,197, select.

San Francisco.$1,217 per passenger.Departing Mon, 22 Feb, returning Sun, 28 Feb.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Hanoi on Mon, 22 Feb, arriving in San Francisco International.Inbound indirect flight with Korean Air, departs from San Francisco International on Sun, 28 Feb, arriving in Hanoi.Price includes taxes and charges.From $1,217, select.

San Francisco.$1,220 per passenger.Departing Sat, 30 Jan, returning Sat, 13 Feb.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Sat, 30 Jan, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Sat, 13 Feb, arriving in Hanoi.Price includes taxes and charges.From $1,220, select.

San Francisco.$1,223 per passenger.Departing Sat, 16 Jan, returning Sun, 17 Jan.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Sat, 16 Jan, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Sun, 17 Jan, arriving in Hanoi.Price includes taxes and charges.From $1,223, select.

San Francisco.$1,223 per passenger.Departing Thu, 29 Oct, returning Wed, 30 Dec.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Hanoi on Thu, 29 Oct, arriving in San Francisco International.Inbound indirect flight with Korean Air, departs from San Francisco International on Wed, 30 Dec, arriving in Hanoi.Price includes taxes and charges.From $1,223, select.

San Francisco.$1,223 per passenger.Departing Mon, 1 Feb, returning Sun, 28 Mar.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Hanoi on Mon, 1 Feb, arriving in San Francisco International.Inbound indirect flight with Korean Air, departs from San Francisco International on Sun, 28 Mar, arriving in Hanoi.Price includes taxes and charges.From $1,223, select.

San Francisco.$1,225 per passenger.Departing Sat, 16 Jan, returning Wed, 3 Mar.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Sat, 16 Jan, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Wed, 3 Mar, arriving in Hanoi.Price includes taxes and charges.From $1,225, select.

San Francisco.$1,247 per passenger.Departing Wed, 7 Apr, returning Wed, 28 Apr.Return flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Hanoi on Wed, 7 Apr, arriving in San Francisco International.Inbound indirect flight with Asiana Airlines, departs from San Francisco International on Wed, 28 Apr, arriving in Hanoi.Price includes taxes and charges.From $1,247, select.

San Francisco.$1,292 per passenger.Departing Tue, 25 Aug, returning Thu, 3 Sep.Return flight with Singapore Airlines and United.Outbound indirect flight with Singapore Airlines, departs from Hanoi on Tue, 25 Aug, arriving in San Francisco International.Inbound indirect flight with United, departs from San Francisco International on Thu, 3 Sep, arriving in Hanoi.Price includes taxes and charges.From $1,292, select.

San Francisco.$1,323 per passenger.Departing Sun, 23 Aug, returning Sun, 30 Aug.Return flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from Hanoi on Sun, 23 Aug, arriving in San Francisco International.Inbound indirect flight with ANA (All Nippon Airways), departs from San Francisco International on Sun, 30 Aug, arriving in Hanoi.Price includes taxes and charges.From $1,323, select.

San Francisco.$1,341 per passenger.Departing Fri, 11 Dec, returning Sat, 26 Dec.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Hanoi on Fri, 11 Dec, arriving in San Francisco International.Inbound indirect flight with Vietnam Airlines, departs from San Francisco International on Sat, 26 Dec, arriving in Hanoi.Price includes taxes and charges.From $1,341, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hanoi to San Francisco International flights are currently cheapest in September.

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Hanoi to San Francisco International: Alternative routes

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

Hanoi to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	$1,142
Cheapest month to fly	September

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

How much are return flights from Hanoi to San Francisco International?

The best price we found for a return flight from Hanoi to San Francisco International is $1,142. 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.

Which airlines fly direct from Hanoi to San Francisco International?

Currently, there are no airlines that fly direct from Hanoi to San Francisco International. But we found flights with one or more stops from $1,142.

How many flights are there a week from Hanoi to San Francisco International?

As of August 2026, there are no flights flying from Hanoi to San Francisco International.

When is the cheapest time to fly from Hanoi to San Francisco International?

The cheapest month to fly from Hanoi to San Francisco International is usually September.

Which upcoming date is cheapest to fly from Hanoi Airport to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to San Francisco International Airport on Thursday, 10 September 2026.

Can I get a direct flight from Hanoi Airport to San Francisco International Airport?

No airlines currently offer direct flights between Hanoi Airport and San Francisco International Airport. Most routes have one or more stops.

How can I find the best flight deal to San Francisco International?

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 San Francisco International 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.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Hanoi Airport to San Francisco International with?

Currently, Korean Air offers the cheapest flight tickets to San Francisco International.

Travelling from Hanoi Airport (HAN) to San Francisco International Airport (SFO): what you need to know

San Francisco is 15 hours behind Hanoi and observes the UTC-8 timezone.
Your HAN to SFO flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Be prepared for longer queues in popular months such as June. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.
Think about adding a stopover when booking your ticket from Hanoi Airport to San Francisco International Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between HAN and SFO:
- Tokyo Haneda Airport
- Hong Kong Intl Airport
- Taipei Taiwan Taoyuan Airport

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

$565 is currently the lowest price for a one-way Hanoi Airport to San Francisco International Airport flight. A return flight starts from $1,142. These fares can change based on demand.
To find cheap tickets from HAN to SFO, book as early as you can. Airlines generally offer lower fares when flights are first released.
The 'Whole month' tool shows you the cheapest flights from Hanoi Airport to San Francisco International Airport throughout the month. It's a great way to find a bargain if your trip dates are flexible.
There's no need to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know as soon as the price changes on cheap flights from HAN to SFO.
Secure the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Hanoi Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Hanoi Airport (HAN)

72% of flights departing from Hanoi Airport land at their destination on schedule.
Hanoi Airport is around 31 kilometres from central Hanoi. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 40 minutes or so to arrive, depending on the traffic.
The trip when using public transport typically takes 1 hour.
Looking for a convenient hotel close to HAN? If you're boarding an early flight from Hanoi Airport to San Francisco International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at San Francisco International Airport (SFO)

Consider booking a hotel near SFO if you have a late Hanoi Airport to San Francisco International Airport flight. Select one of these options and skip the long transfer:
Grab a San Francisco International Airport rental car and explore San Francisco and beyond with your own set of wheels. Dollar, Thrifty and Hertz are popular providers you can book with here.
Secure the lowest price by booking your ride from San Francisco International Airport about one week before your trip.

Getting from San Francisco International Airport (SFO) to central San Francisco

San Francisco International Airport to central San Francisco has a drive time of about 25 minutes. It's approximately 21 kilometres away.
Getting to the centre by public transport typically takes 35 minutes.

When to fly to San Francisco International Airport (SFO)

July is the most popular month for flights from Hanoi Airport to San Francisco International Airport. To escape the crowds, travel to San Francisco in March.
Lock in your flight from Hanoi Airport to San Francisco International Airport for September if you want to explore San Francisco during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 24ºC (75ºF).
If you like cooler conditions, look for a cheap ticket from HAN to SFO in January. Average temperatures are between 5ºC (41ºF) and 16ºC (61ºF) then.

Explore more of the United States

San Jose is just one of the many places in the United States waiting to be discovered once you've seen the sights of San Francisco. Around 64 kilometres away to the south-east, check out popular attractions including Winchester Mystery House, The Tech Interactive and Santa Clara Valley.
Fresno is another must-experience destination in the United States and is around 257 kilometres south-east of San Francisco. No trip is complete without experiencing Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.