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?

Asiana Airlines, China Airlines and Cathay Pacific are the top three most popular airlines that fly to Hanoi from San Francisco according to our data. Asiana Airlines is the first choice among our users, with 32% 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 has the shortest connection time from San Francisco to Hanoi?

Ho Chi Minh City (SGN) has the shortest average layover time for this route: 2h 25m.

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

China Southern and Philippine 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: 43% 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 Ho Chi Minh City (SGN) have the shortest average one-way travel time: 20h 33m.

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 July 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.

$363 Cheap Flights from San Francisco to Hanoi in 2026

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

2:20 am - 3:21 pm

HAN

SFO

27h 01m

2 stops

$789Multiple Airlines

Sat, Aug 29 - Tue, Sep 8

12:00 pm - 1:20 am

SFO

HAN

23h 20m

1 stop

2:20 am - 3:21 pm

HAN

SFO

27h 01m

2 stops

$789Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

1:20 am - 9:55 am

SFO

HAN

18h 35m

1 stop

11:05 am - 10:15 pm

HAN

SFO

25h 10m

1 stop

$790Cathay Pacific

Wed, Sep 2 - Sun, Oct 25

1:20 am - 9:55 am

SFO

HAN

18h 35m

1 stop

7:10 pm - 10:40 pm

HAN

SFO

17h 30m

1 stop

$790Cathay Pacific

Tue, Sep 8 - Wed, Sep 16

12:00 pm - 2:45 pm

SFO

HAN

35h 45m

2 stops

4:15 pm - 9:00 am

HAN

SFO

31h 45m

2 stops

$797China Eastern

Thu, Nov 12 - Fri, Nov 20

12:00 pm - 5:45 pm

SFO

HAN

38h 45m

1 stop

6:45 pm - 9:00 am

HAN

SFO

29h 15m

1 stop

$797China Eastern

Thu, Nov 12 - Fri, Nov 20

12:35 am - 6:40 pm

SFO

HAN

28h 05m

2 stops

7:45 pm - 8:40 pm

HAN

SFO

38h 55m

2 stops

$800China Southern

Mon, Aug 31 - Wed, Sep 9

12:35 am - 6:40 pm

SFO

HAN

28h 05m

2 stops

11:15 am - 8:40 pm

HAN

SFO

23h 25m

2 stops

$801China Southern

Thu, Aug 27 - Thu, Sep 10

1:05 am - 10:30 am

SFO

HAN

19h 25m

1 stop

5:50 pm - 7:55 pm

HAN

SFO

16h 05m

1 stop

$809China Airlines

Wed, Sep 2 - Thu, Sep 24

1:05 am - 4:50 pm

SFO

HAN

25h 45m

1 stop

11:35 am - 6:45 pm

HAN

SFO

22h 10m

1 stop

$809China Airlines

Thu, Oct 15 - Tue, Nov 3

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China Southern flights from San Francisco to Hanoi

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

China Southern

Aug 3

SFO12:35 amSan Francisco

24h 10m

2 stops

HAN2:45 pmHanoi Noibai

Sep 22

HAN11:15 amHanoi Noibai

23h 25m

1 stop

SFO8:40 pmSan Francisco

$788

China Southern

Aug 27

SFO12:35 amSan Francisco

28h 05m

2 stops

HAN6:40 pmHanoi Noibai

Sep 10

HAN11:15 amHanoi Noibai

23h 25m

2 stops

SFO8:40 pmSan Francisco

$801

China Southern

Sep 7

SFO12:35 amSan Francisco

28h 05m

2 stops

HAN6:40 pmHanoi Noibai

Sep 22

HAN8:15 amHanoi Noibai

26h 25m

1 stop

SFO8:40 pmSan Francisco

$802

Korean Air flights from San Francisco to Hanoi

Our best Korean Air deals on San Francisco to Hanoi flight tickets

Korean Air

Aug 17

SFO2:00 pmSan Francisco

41h 35m

2 stops

HAN9:35 pmHanoi Noibai

Aug 31

HAN12:05 pmHanoi Noibai

33h 56m

2 stops

SFO8:01 amSan Francisco

$835

Korean Air

Aug 17

SFO1:10 pmSan Francisco

18h 25m

1 stop

HAN9:35 pmHanoi Noibai

Aug 31

HAN11:10 pmHanoi Noibai

46h 51m

2 stops

SFO8:01 amSan Francisco

$841

Korean Air

Aug 27

SFO1:10 pmSan Francisco

31h 25m

1 stop

HAN10:35 amHanoi Noibai

Aug 30

HAN11:10 pmHanoi Noibai

49h 42m

2 stops

SFO10:52 amSan Francisco

$849

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 8/29

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Tue 9/8

2:20 am-3:21 pm

2 stops27h 01m

$789

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 9/7

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Tue 9/15

2:20 am-3:21 pm

2 stops27h 01m

$789

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 9/2

1:20 am-9:55 am

1 stop18h 35m

Hanoi Noibai

Sun 10/25

11:05 am-10:15 pm

1 stop25h 10m

$790

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 9/8

1:20 am-9:55 am

1 stop18h 35m

Hanoi Noibai

Wed 9/16

7:10 pm-10:40 pm

1 stop17h 30m

$790

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/12

12:00 pm-2:45 pm

2 stops35h 45m

Hanoi Noibai

Fri 11/20

4:15 pm-9:00 am

2 stops31h 45m

$797

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/12

12:00 pm-5:45 pm

1 stop38h 45m

Hanoi Noibai

Fri 11/20

6:45 pm-9:00 am

1 stop29h 15m

$797

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 8/31

12:35 am-6:40 pm

2 stops28h 05m

Hanoi Noibai

Wed 9/9

7:45 pm-8:40 pm

2 stops38h 55m

$800

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 8/27

12:35 am-6:40 pm

2 stops28h 05m

Hanoi Noibai

Thu 9/10

11:15 am-8:40 pm

2 stops23h 25m

$801

Quickest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 9/2

1:05 am-10:30 am

1 stop19h 25m

Hanoi Noibai

Thu 9/24

5:50 pm-7:55 pm

1 stop16h 05m

$809

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 10/15

1:05 am-4:50 pm

1 stop25h 45m

Hanoi Noibai

Tue 11/3

11:35 am-6:45 pm

1 stop22h 10m

$809

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $750 to $898.
The lowest price recently found on this route was $789.

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from San Francisco is in April. Flight prices, which tend to average around $774, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in April, then January is your next best option. Flight prices from San Francisco to Hanoi during January average around $777.

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 $922 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 $788 on momondo.

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

You could potentially save up to 5% 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 July 2026, prices for San Francisco to Hanoi flights are approximately 15% 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	18h 25m
Direct flights	None

The fastest flight from San Francisco to Hanoi takes 18h 25m

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

Search flight deals

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. 18h 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 July 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 Asiana Airlines, representing 22% of all bookings. The subsequent popular airlines are China Airlines at 19%, Cathay Pacific at 19%, 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 1,011 reviews	Search Philippine Airlines flights
China Southern	PriceFrom $475	Free Cancellation	Rating 7.4 164 reviews	Search China Southern flights
Singapore Airlines	PriceFrom $560	Free Cancellation	Rating 8.2 1,584 reviews	Search Singapore Airlines flights
Korean Air	PriceFrom $606	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
ANA	PriceFrom $626	Free Cancellation	Rating 8.3 1,283 reviews	Search ANA flights
China Eastern	PriceFrom $631	Free Cancellation	Rating 7.3 229 reviews	Search China Eastern flights
Asiana Airlines	PriceFrom $640	Free Cancellation	Rating 8.1 555 reviews	Search Asiana Airlines flights
Cathay Pacific	PriceFrom $660	Free Cancellation	Rating 7.6 1,431 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $711	Free Cancellation	Rating 7.4 10,046 reviews	Search United Airlines flights
China Airlines	PriceFrom $711	Free Cancellation	Rating 8.3 838 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.