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 travel time from San Francisco to Hanoi?

Flights connecting via Hong Kong (HKG) have the shortest average one-way travel time: 20h 07m.

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 19m.

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

Air India, Korean Air, and Delta are the most popular carriers operating from San Francisco to Hanoi Noibai

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 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.

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.

$166 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.

12:30 am - 12:45 am

SFO

HAN

34h 15m

1 stop

1:45 am - 9:10 pm

HAN

SFO

33h 25m

1 stop

$693Philippine Airlines

Thu, Sep 10 - Tue, Sep 15

12:30 am - 12:45 am

SFO

HAN

34h 15m

1 stop

2:50 am - 9:10 pm

HAN

SFO

32h 20m

1 stop

$698Philippine Airlines

Sat, Sep 19 - Thu, Oct 29

12:30 am - 7:40 pm

SFO

HAN

29h 10m

1 stop

7:55 am - 3:15 pm

HAN

SFO

21h 20m

1 stop

$702Multiple Airlines

Sat, Aug 29 - Fri, Sep 11

12:30 am - 12:45 am

SFO

HAN

34h 15m

1 stop

6:00 pm - 6:45 am

HAN

SFO

26h 45m

1 stop

$704Multiple Airlines

Mon, May 4 - Sun, May 17

12:30 am - 2:55 pm

SFO

HAN

24h 25m

2 stops

7:55 am - 3:15 pm

HAN

SFO

21h 20m

1 stop

$705Multiple Airlines

Mon, Sep 14 - Fri, Sep 25

12:30 am - 12:45 am

SFO

HAN

34h 15m

1 stop

1:45 am - 9:10 pm

HAN

SFO

33h 25m

1 stop

$706Philippine Airlines

Tue, Oct 13 - Tue, Oct 20

10:30 am - 7:20 am

SFO

HAN

30h 50m

2 stops

8:20 am - 7:00 am

HAN

SFO

36h 40m

2 stops

$709Air India

Thu, Jul 16 - Wed, Jul 22

10:30 am - 7:20 am

SFO

HAN

30h 50m

2 stops

8:20 am - 7:00 am

HAN

SFO

36h 40m

2 stops

$712Air India

Mon, Jul 20 - Mon, Jul 27

8:45 pm - 7:20 am

SFO

HAN

44h 35m

2 stops

8:20 am - 5:45 pm

HAN

SFO

47h 25m

2 stops

$716Air India

Tue, Jul 28 - Fri, Aug 21

10:30 am - 7:20 am

SFO

HAN

30h 50m

2 stops

8:20 am - 7:00 am

HAN

SFO

36h 40m

2 stops

$717Air India

Mon, May 4 - Wed, Aug 26

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Philippine Airlines flights from San Francisco to Hanoi

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

Philippine Airlines

Sep 10

SFO12:30 amSan Francisco

34h 15m

1 stop

HAN12:45 amHanoi Noibai

Sep 15

HAN1:45 amHanoi Noibai

33h 25m

1 stop

SFO9:10 pmSan Francisco

$693

Philippine Airlines

Sep 19

SFO12:30 amSan Francisco

34h 15m

1 stop

HAN12:45 amHanoi Noibai

Oct 29

HAN2:50 amHanoi Noibai

32h 20m

1 stop

SFO9:10 pmSan Francisco

$698

Philippine Airlines

Oct 13

SFO12:30 amSan Francisco

34h 15m

1 stop

HAN12:45 amHanoi Noibai

Oct 20

HAN1:45 amHanoi Noibai

33h 25m

1 stop

SFO9:10 pmSan Francisco

$706

Asiana Airlines flights from San Francisco to Hanoi

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

Asiana Airlines

May 4

SFO11:50 pmSan Francisco

22h 25m

1 stop

HAN12:15 pmHanoi Noibai

Jun 4

HAN1:25 pmHanoi Noibai

15h 55m

1 stop

SFO3:20 pmSan Francisco

$812

Asiana Airlines

May 4

SFO11:50 pmSan Francisco

32h 10m

1 stop

HAN10:00 pmHanoi Noibai

Aug 26

HAN1:25 pmHanoi Noibai

16h 25m

1 stop

SFO3:50 pmSan Francisco

$817

Asiana Airlines

May 4

SFO11:50 pmSan Francisco

32h 10m

1 stop

HAN10:00 pmHanoi Noibai

Aug 26

HAN1:25 pmHanoi Noibai

16h 25m

1 stop

SFO3:50 pmSan Francisco

$826

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/10

12:30 am-12:45 am

1 stop34h 15m

Hanoi Noibai

Tue 9/15

1:45 am-9:10 pm

1 stop33h 25m

$693

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 9/19

12:30 am-12:45 am

1 stop34h 15m

Hanoi Noibai

Thu 10/29

2:50 am-9:10 pm

1 stop32h 20m

$698

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 8/29

12:30 am-7:40 pm

1 stop29h 10m

Hanoi Noibai

Fri 9/11

7:55 am-3:15 pm

1 stop21h 20m

$702

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/4

12:30 am-12:45 am

1 stop34h 15m

Hanoi Noibai

Sun 5/17

6:00 pm-6:45 am

1 stop26h 45m

$704

Quickest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 9/14

12:30 am-2:55 pm

2 stops24h 25m

Hanoi Noibai

Fri 9/25

7:55 am-3:15 pm

1 stop21h 20m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 10/13

12:30 am-12:45 am

1 stop34h 15m

Hanoi Noibai

Tue 10/20

1:45 am-9:10 pm

1 stop33h 25m

$706

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 7/16

10:30 am-7:20 am

2 stops30h 50m

Hanoi Noibai

Wed 7/22

8:20 am-7:00 am

2 stops36h 40m

$709

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 7/20

10:30 am-7:20 am

2 stops30h 50m

Hanoi Noibai

Mon 7/27

8:20 am-7:00 am

2 stops36h 40m

$712

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 7/28

8:45 pm-7:20 am

2 stops44h 35m

Hanoi Noibai

Fri 8/21

8:20 am-5:45 pm

2 stops47h 25m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/4

10:30 am-7:20 am

2 stops30h 50m

Hanoi Noibai

Wed 8/26

8:20 am-7:00 am

2 stops36h 40m

$717

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 $769.

How far in advance should I book a flight 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 $903 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	22h 25m
Direct flights	None

The fastest flight from San Francisco to Hanoi takes 22h 25m

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. 22h 25m 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
China Southern	PriceFrom $475	Free Cancellation	Rating 7.4 149 reviews	Search China Southern flights
Singapore Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 1,501 reviews	Search Singapore Airlines flights
Korean Air	PriceFrom $606	Free Cancellation	Rating 8.4 1,212 reviews	Search Korean Air flights
Philippine Airlines	PriceFrom $625	Free Cancellation	Rating 7.3 994 reviews	Search Philippine Airlines flights
ANA	PriceFrom $626	Free Cancellation	Rating 8.4 1,185 reviews	Search ANA flights
Cathay Pacific	PriceFrom $627	Free Cancellation	Rating 7.6 1,283 reviews	Search Cathay Pacific flights
China Eastern	PriceFrom $629	Free Cancellation	Rating 7.2 208 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom $635	Free Cancellation	Rating 8.0 519 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $711	Free Cancellation	Rating 7.4 9,613 reviews	Search United Airlines flights
China Airlines	PriceFrom $712	Free Cancellation	Rating 8.3 818 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.