Which layover airport has the shortest travel time from San Francisco to Hanoi?

Flights connecting via Hong Kong (HKG) have the shortest average one-way travel time: 20h 11m.

What airlines fly to Hanoi?

China Airlines, Asiana Airlines and Cathay Pacific are the top three most popular airlines that fly to Hanoi from San Francisco according to our data. China Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 13 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from San Francisco to Hanoi?

Flights via Guangzhou (CAN) offer the lowest average round-trip price of $493.

What is the cheapest airline that flies from San Francisco to Hanoi Noibai?

Korean Air, Asiana Airlines, and United Airlines are the most popular carriers operating from San Francisco to Hanoi Noibai

Which airport is the most popular layover for flights between San Francisco and Hanoi?

Taipei City (TPE) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from San Francisco to Hanoi?

Hong Kong (HKG) has the shortest average layover time for this route: 3h 18m.

When did momondo last update prices for flights from San Francisco Airport to Hanoi Noibai Airport?

Prices for flights from San Francisco Airport to Hanoi Noibai Airport refresh daily.

How many operators does momondo search for flights from San Francisco Airport to Hanoi Noibai Airport?

As of April 2026, there are 13 operators available to choose from for flights from San Francisco Airport to Hanoi Noibai Airport.

How old do you have to be to fly from San Francisco Airport to Hanoi Noibai Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$444 Cheap Flights from San Francisco to Hanoi in 2026

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Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 1:20 am

SFO

HAN

23h 20m

1 stop

3:10 pm - 10:00 am

HAN

SFO

32h 50m

1 stop

$703China Eastern

Thu, Oct 22 - Sun, Nov 1

1:00 pm - 2:10 pm

SFO

HAN

35h 10m

1 stop

2:45 am - 9:00 am

HAN

SFO

21h 15m

1 stop

$745China Eastern

Mon, Oct 26 - Sun, Nov 1

12:00 pm - 2:00 pm

SFO

HAN

36h 00m

1 stop

2:45 am - 10:00 am

HAN

SFO

21h 15m

1 stop

$751China Eastern

Thu, Oct 22 - Fri, Oct 30

1:00 pm - 1:45 am

SFO

HAN

22h 45m

1 stop

3:45 pm - 9:00 am

HAN

SFO

56h 15m

2 stops

$752China Eastern

Mon, Oct 26 - Tue, Nov 3

12:00 pm - 2:00 pm

SFO

HAN

36h 00m

1 stop

2:45 am - 10:00 am

HAN

SFO

21h 15m

1 stop

$763China Eastern

Thu, Oct 22 - Fri, Oct 30

12:00 pm - 1:45 am

SFO

HAN

23h 45m

1 stop

2:45 am - 9:00 am

HAN

SFO

21h 15m

1 stop

$795China Eastern

Sat, Oct 24 - Sun, Nov 1

12:00 pm - 1:45 am

SFO

HAN

23h 45m

1 stop

6:45 pm - 10:00 am

HAN

SFO

29h 15m

1 stop

$799China Eastern

Sat, Oct 24 - Fri, Oct 30

8:55 am - 1:20 am

SFO

HAN

26h 25m

2 stops

2:20 am - 3:11 pm

HAN

SFO

26h 51m

2 stops

$800China Eastern

Tue, Sep 1 - Tue, Sep 8

12:00 pm - 2:45 pm

SFO

HAN

36h 45m

2 stops

2:20 am - 9:05 am

HAN

SFO

20h 45m

1 stop

$802China Eastern

Thu, Sep 3 - Wed, Oct 14

8:55 am - 1:20 am

SFO

HAN

26h 25m

2 stops

2:20 am - 3:11 pm

HAN

SFO

26h 51m

2 stops

$803China Eastern

Tue, Sep 1 - Mon, Sep 14

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Asiana Airlines flights from San Francisco to Hanoi

Our best Asiana Airlines deals on San Francisco to Hanoi flight tickets

Asiana Airlines

Sep 1

SFO11:20 pmSan Francisco

22h 55m

1 stop

HAN12:15 pmHanoi Noibai

Sep 15

HAN1:25 pmHanoi Noibai

16h 05m

1 stop

SFO3:30 pmSan Francisco

$826

Asiana Airlines

Sep 8

SFO11:20 pmSan Francisco

22h 55m

1 stop

HAN12:15 pmHanoi Noibai

Sep 15

HAN11:30 pmHanoi Noibai

30h 00m

1 stop

SFO3:30 pmSan Francisco

$827

Asiana Airlines

Oct 12

SFO11:20 pmSan Francisco

22h 55m

1 stop

HAN12:15 pmHanoi Noibai

Oct 29

HAN1:30 pmHanoi Noibai

15h 30m

1 stop

SFO3:00 pmSan Francisco

$835

China Eastern flights from San Francisco to Hanoi

Our best China Eastern deals on San Francisco to Hanoi flight tickets

China Eastern

Oct 22

SFO12:00 pmSan Francisco

23h 20m

1 stop

HAN1:20 amHanoi Noibai

Nov 1

HAN3:10 pmHanoi Noibai

32h 50m

1 stop

SFO10:00 amSan Francisco

$703

China Eastern

Oct 26

SFO1:00 pmSan Francisco

35h 10m

1 stop

HAN2:10 pmHanoi Noibai

Nov 1

HAN2:45 amHanoi Noibai

21h 15m

1 stop

SFO9:00 amSan Francisco

$745

China Eastern

Oct 22

SFO12:00 pmSan Francisco

36h 00m

1 stop

HAN2:00 pmHanoi Noibai

Oct 30

HAN2:45 amHanoi Noibai

21h 15m

1 stop

SFO10:00 amSan Francisco

$751

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 10/22

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Sun 11/1

3:10 pm-10:00 am

1 stop32h 50m

$703

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 10/26

1:00 pm-2:10 pm

1 stop35h 10m

Hanoi Noibai

Sun 11/1

2:45 am-9:00 am

1 stop21h 15m

$745

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 10/22

12:00 pm-2:00 pm

1 stop36h 00m

Hanoi Noibai

Fri 10/30

2:45 am-10:00 am

1 stop21h 15m

$751

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 10/26

1:00 pm-1:45 am

1 stop22h 45m

Hanoi Noibai

Tue 11/3

3:45 pm-9:00 am

2 stops56h 15m

$752

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 10/22

12:00 pm-2:00 pm

1 stop36h 00m

Hanoi Noibai

Fri 10/30

2:45 am-10:00 am

1 stop21h 15m

$763

Quickest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 10/24

12:00 pm-1:45 am

1 stop23h 45m

Hanoi Noibai

Sun 11/1

2:45 am-9:00 am

1 stop21h 15m

$795

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 10/24

12:00 pm-1:45 am

1 stop23h 45m

Hanoi Noibai

Fri 10/30

6:45 pm-10:00 am

1 stop29h 15m

$799

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 9/1

8:55 am-1:20 am

2 stops26h 25m

Hanoi Noibai

Tue 9/8

2:20 am-3:11 pm

2 stops26h 51m

$800

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/3

12:00 pm-2:45 pm

2 stops36h 45m

Hanoi Noibai

Wed 10/14

2:20 am-9:05 am

1 stop20h 45m

$802

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 9/1

8:55 am-1:20 am

2 stops26h 25m

Hanoi Noibai

Mon 9/14

2:20 am-3:11 pm

2 stops26h 51m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between San Francisco and Hanoi?

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from San Francisco is in September. Flight prices, which tend to average around $755, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then November is your next best option. Flight prices from San Francisco to Hanoi during November average around $772.

How far in advance should I book a flight from San Francisco to Hanoi?

You are more likely to see cheaper flights to Hanoi from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $906 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from San Francisco for as low as $770 on momondo.

Can stopping save me money on San Francisco to Hanoi flights?

You could potentially save up to 48% on your flight if you consider stops on a San Francisco to Hanoi flight.

How have San Francisco to Hanoi flight prices changed over time?

As of April 2026, prices for San Francisco to Hanoi flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Hanoi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Hanoi (SFO to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Hanoi

Fastest flight time	19h 35m
Direct flights	None

The fastest flight from San Francisco to Hanoi takes 19h 35m

There are no direct flights from San Francisco to Hanoi. There are no popular flight routes from San Francisco to Hanoi.

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Frequently asked questions about flying from San Francisco to Hanoi

How far is San Francisco to Hanoi Noibai by plane?
San Francisco and Hanoi Noibai are 7303.3 mi apart from one another. 19h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to Hanoi Noibai Airport?
Prices for flights from San Francisco Airport to Hanoi Noibai Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Hanoi Noibai Airport?
As of April 2026, there are 13 operators available to choose from for flights from San Francisco Airport to Hanoi Noibai Airport.
How old do you have to be to fly from San Francisco Airport to Hanoi Noibai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Francisco to Hanoi?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Hanoi is China Airlines, representing 26% of all bookings. The subsequent popular airlines are Asiana Airlines at 20%, Cathay Pacific at 15%, and EVA Air at 9%.

Best airlines flying from San Francisco to Hanoi

Compare and see reviews for airlines that fly from San Francisco to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
Philippine Airlines	PriceFrom $356	Free Cancellation	Rating 7.3 994 reviews	Search Philippine Airlines flights
China Southern	PriceFrom $475	Free Cancellation	Rating 7.4 151 reviews	Search China Southern flights
Singapore Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 1,505 reviews	Search Singapore Airlines flights
Korean Air	PriceFrom $606	Free Cancellation	Rating 8.4 1,216 reviews	Search Korean Air flights
ANA	PriceFrom $626	Free Cancellation	Rating 8.3 1,202 reviews	Search ANA flights
Cathay Pacific	PriceFrom $627	Free Cancellation	Rating 7.6 1,310 reviews	Search Cathay Pacific flights
China Eastern	PriceFrom $629	Free Cancellation	Rating 7.3 209 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom $635	Free Cancellation	Rating 8.1 524 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $711	Free Cancellation	Rating 7.4 9,678 reviews	Search United Airlines flights
China Airlines	PriceFrom $712	Free Cancellation	Rating 8.3 819 reviews	Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Hanoi?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Hanoi. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Hanoi with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Hanoi from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Hanoi?

momondo helps you find the best flight between San Francisco and Hanoi by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to Hanoi right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Hanoi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.