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Cheap flights from San Francisco to Hanoi from $364

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Hanoi departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Hanoi

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Southern Logo
11:35 pm - 11:15 pm
SFO
-
HAN
32h 40m2 stops
China Southern Logo
4:10 pm - 7:40 pm
HAN
-
SFO
42h 30m2 stops
$709China Southern
Thu, Feb 19 - Sun, Mar 1
China Eastern Logo
12:00 pm - 1:45 am
SFO
-
HAN
22h 45m1 stop
China Eastern Logo
6:45 pm - 9:00 am
HAN
-
SFO
29h 15m1 stop
$713China Eastern
Thu, Jan 8 - Wed, Jan 21
Asiana Airlines Logo
11:50 pm - 10:25 pm
SFO
-
HAN
31h 35m1 stop
Asiana Airlines Logo
1:30 pm - 2:00 pm
HAN
-
SFO
15h 30m1 stop
$714Asiana Airlines
Mon, Jan 12 - Fri, Feb 13
Korean Air Logo
4:03 pm - 10:40 am
SFO
-
HAN
52h 37m2 stops
Korean Air Logo
11:10 pm - 10:40 am
HAN
-
SFO
25h 30m1 stop
$715Korean Air
Sun, Apr 12 - Mon, Apr 20
China Airlines Logo
1:05 am - 10:35 am
SFO
-
HAN
19h 30m1 stop
China Airlines Logo
11:35 am - 7:55 pm
HAN
-
SFO
22h 20m1 stop
$717China Airlines
Wed, Apr 8 - Mon, Apr 27
Korean Air Logo
12:40 pm - 10:40 am
SFO
-
HAN
32h 00m1 stop
Korean Air Logo
11:10 pm - 10:40 am
HAN
-
SFO
25h 30m1 stop
$719Korean Air
Fri, Apr 10 - Sun, Apr 19
China Eastern Logo
12:00 pm - 2:45 pm
SFO
-
HAN
35h 45m2 stops
China Eastern Logo
2:45 am - 9:00 am
HAN
-
SFO
21h 15m1 stop
$720China Eastern
Thu, Jan 8 - Wed, Jan 21
Korean Air Logo
4:15 pm - 10:40 am
SFO
-
HAN
28h 25m2 stops
Korean Air Logo
12:00 pm - 7:56 am
HAN
-
SFO
33h 56m2 stops
$721Korean Air
Thu, Apr 16 - Tue, Apr 21
Korean Air Logo
1:00 pm - 10:40 am
SFO
-
HAN
31h 40m2 stops
Korean Air Logo
11:10 pm - 7:56 am
HAN
-
SFO
46h 46m2 stops
$722Korean Air
Wed, Apr 15 - Wed, Apr 22
Korean Air Logo
1:05 pm - 9:35 pm
SFO
-
HAN
42h 30m2 stops
Korean Air Logo
11:10 pm - 10:40 am
HAN
-
SFO
25h 30m1 stop
$724Korean Air
Fri, Apr 10 - Wed, Apr 22

China Southern flights from San Francisco to Hanoi

Our best China Southern deals on San Francisco to Hanoi flight tickets
China Southern
Feb 19
SFO11:35 pmSan Francisco
32h 40m
2 stops
HAN11:15 pmHanoi Noibai
Mar 1
HAN4:10 pmHanoi Noibai
42h 30m
2 stops
SFO7:40 pmSan Francisco
$709
Find similar
China Southern
Feb 2
SFO11:35 pmSan Francisco
24h 10m
2 stops
HAN2:45 pmHanoi Noibai
Feb 9
HAN8:15 amHanoi Noibai
26h 25m
2 stops
SFO7:40 pmSan Francisco
$788
Find similar
China Southern
Jan 8
SFO11:35 pmSan Francisco
24h 10m
2 stops
HAN2:45 pmHanoi Noibai
Jan 22
HAN12:45 pmHanoi Noibai
21h 55m
2 stops
SFO7:40 pmSan Francisco
$798
Find similar

China Eastern flights from San Francisco to Hanoi

Our best China Eastern deals on San Francisco to Hanoi flight tickets
China Eastern
Jan 5
SFO12:00 pmSan Francisco
22h 45m
1 stop
HAN1:45 amHanoi Noibai
Jan 21
HAN3:10 pmHanoi Noibai
32h 50m
1 stop
SFO9:00 amSan Francisco
$711
Find similar
China Eastern
Jan 8
SFO12:00 pmSan Francisco
22h 45m
1 stop
HAN1:45 amHanoi Noibai
Jan 21
HAN6:45 pmHanoi Noibai
29h 15m
1 stop
SFO9:00 amSan Francisco
$713
Find similar
China Eastern
Jan 8
SFO12:00 pmSan Francisco
46h 35m
2 stops
HAN1:35 amHanoi Noibai
Jan 23
HAN6:45 pmHanoi Noibai
29h 15m
1 stop
SFO9:00 amSan Francisco
$720
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from San Francisco to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 2/19

11:35 pm-11:15 pm

2 stops32h 40m

Hanoi Noibai

Sun 3/1

4:10 pm-7:40 pm

2 stops42h 30m

$709

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/8

12:00 pm-1:45 am

1 stop22h 45m

Hanoi Noibai

Wed 1/21

6:45 pm-9:00 am

1 stop29h 15m

$713

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 1/12

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

Fri 2/13

1:30 pm-2:00 pm

1 stop15h 30m

$714

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 4/12

4:03 pm-10:40 am

2 stops52h 37m

Hanoi Noibai

Mon 4/20

11:10 pm-10:40 am

1 stop25h 30m

$715

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 4/8

1:05 am-10:35 am

1 stop19h 30m

Hanoi Noibai

Mon 4/27

11:35 am-7:55 pm

1 stop22h 20m

$717

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 4/10

12:40 pm-10:40 am

1 stop32h 00m

Hanoi Noibai

Sun 4/19

11:10 pm-10:40 am

1 stop25h 30m

$719

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/8

12:00 pm-2:45 pm

2 stops35h 45m

Hanoi Noibai

Wed 1/21

2:45 am-9:00 am

1 stop21h 15m

$720

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/16

4:15 pm-10:40 am

2 stops28h 25m

Hanoi Noibai

Tue 4/21

12:00 pm-7:56 am

2 stops33h 56m

$721

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 4/15

1:00 pm-10:40 am

2 stops31h 40m

Hanoi Noibai

Wed 4/22

11:10 pm-7:56 am

2 stops46h 46m

$722

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 4/10

1:05 pm-9:35 pm

2 stops42h 30m

Hanoi Noibai

Wed 4/22

11:10 pm-10:40 am

1 stop25h 30m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Hanoi from

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

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 $768, 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 October is your next best option. Flight prices from San Francisco to Hanoi during October average around $776.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Monday is the cheapest day to fly to Hanoi from San Francisco. The lowest ticket price found for a Monday departure recently was $892. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Saturday is $1,014.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from San Francisco to Hanoi during this time can be as low as $920. Try not to purchase tickets at noon because they tend to be around $1,120. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $930 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 $773 on momondo.

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

You could potentially save up to 2% 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 December 2025, prices for San Francisco to Hanoi flights are approximately 43% 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 55m

Direct flights

None
The fastest flight from San Francisco to Hanoi takes 18h 55m
There are no direct flights from San Francisco to Hanoi. There are no popular flight routes from San Francisco to Hanoi.
Search flight deals

  • How far is San Francisco to Hanoi Noibai by plane?

    San Francisco and Hanoi Noibai are 7302.4 mi apart from one another. 18h 55m 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?

  • 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?

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 SouthernPriceFrom $471Free CancellationRating
7.5
122 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $555Free CancellationRating
8.1
1,412 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $634Free CancellationRating
7.3
941 reviews
Search Philippine Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
178 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $661Free CancellationRating
8.2
492 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $673Free CancellationRating
7.6
1,093 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $686Free CancellationRating
8.4
1,184 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $709Free CancellationRating
8.3
1,651 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $711Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
China AirlinesPriceFrom $720Free CancellationRating
8.2
788 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.

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