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Cheap flights from San Francisco to Hanoi from $353

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 1/26. 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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Cheap round-trip flights

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China Southern Logo
11:35 pm - 10:40 amSFO-HAN
44h 05m2 stops
China Southern Logo
7:45 pm - 7:40 pmHAN-SFO
38h 55m2 stops
$675China Southern
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Mon, Nov 24 - Sun, Dec 7
China Eastern Logo
12:00 pm - 5:45 pmSFO-HAN
38h 45m1 stop
China Eastern Logo
3:10 pm - 9:00 amHAN-SFO
32h 50m1 stop
$676China Eastern
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Mon, Nov 10 - Wed, Nov 19
Multiple Airlines Logo
11:35 pm - 2:45 pmSFO-HAN
24h 10m2 stops
Multiple Airlines Logo
8:55 am - 7:40 pmHAN-SFO
25h 45m2 stops
$677Multiple Airlines
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Thu, Jan 29 - Tue, Feb 17
Asiana Airlines Logo
11:50 pm - 10:25 pmSFO-HAN
31h 35m1 stop
Asiana Airlines Logo
1:30 pm - 2:00 pmHAN-SFO
15h 30m1 stop
$686Asiana Airlines
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Thu, Nov 27 - Thu, Dec 4
Asiana Airlines Logo
11:50 pm - 10:25 pmSFO-HAN
31h 35m1 stop
Asiana Airlines Logo
1:30 pm - 2:00 pmHAN-SFO
15h 30m1 stop
$693Asiana Airlines
Find Deal
Mon, Jan 5 - Sat, Feb 14
China Airlines Logo
11:40 pm - 10:35 amSFO-HAN
19h 55m1 stop
China Airlines Logo
11:35 am - 6:45 pmHAN-SFO
22h 10m1 stop
$697China Airlines
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Thu, Jan 29 - Tue, Feb 17
Korean Air Logo
12:25 pm - 9:45 pmSFO-HAN
42h 20m2 stops
Korean Air Logo
11:05 pm - 9:30 amHAN-SFO
25h 25m1 stop
$705Korean Air
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Tue, Nov 25 - Wed, Dec 3
Cathay Pacific Logo
11:25 am - 10:05 amSFO-HAN
31h 40m1 stop
Cathay Pacific Logo
7:30 pm - 9:15 pmHAN-SFO
16h 45m1 stop
$707Cathay Pacific
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Tue, Feb 10 - Tue, Feb 24
Korean Air Logo
11:40 am - 11:10 amSFO-HAN
32h 30m1 stop
Korean Air Logo
11:05 pm - 7:30 amHAN-SFO
47h 25m2 stops
$716Korean Air
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Thu, Nov 27 - Mon, Dec 8
China Airlines Logo
1:05 am - 4:50 pmSFO-HAN
25h 45m1 stop
China Airlines Logo
5:50 pm - 7:55 pmHAN-SFO
16h 05m1 stop
$721China Airlines
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Thu, Apr 2 - Tue, Apr 14

Asiana Airlines flights from San Francisco to Hanoi

Our best Asiana Airlines deals on San Francisco to Hanoi flight tickets
Asiana Airlines
Nov 27
SFO11:50 pmSan Francisco
31h 35m
1 stop
HAN10:25 pmHanoi Noibai
Dec 4
HAN1:30 pmHanoi Noibai
15h 30m
1 stop
SFO2:00 pmSan Francisco
$686
Find similar
Asiana Airlines
Jan 5
SFO11:50 pmSan Francisco
31h 35m
1 stop
HAN10:25 pmHanoi Noibai
Feb 14
HAN1:30 pmHanoi Noibai
15h 30m
1 stop
SFO2:00 pmSan Francisco
$693
Find similar
Asiana Airlines
Mar 2
SFO11:50 pmSan Francisco
21h 20m
1 stop
HAN12:10 pmHanoi Noibai
Mar 14
HAN11:50 pmHanoi Noibai
29h 10m
1 stop
SFO3:00 pmSan Francisco
$699
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China Airlines flights from San Francisco to Hanoi

Our best China Airlines deals on San Francisco to Hanoi flight tickets
China Airlines
Jan 29
SFO11:40 pmSan Francisco
19h 55m
1 stop
HAN10:35 amHanoi Noibai
Feb 17
HAN11:35 amHanoi Noibai
22h 10m
1 stop
SFO6:45 pmSan Francisco
$697
Find similar
China Airlines
Nov 3
SFO11:40 pmSan Francisco
25h 50m
1 stop
HAN4:30 pmHanoi Noibai
Nov 26
HAN11:35 amHanoi Noibai
22h 10m
1 stop
SFO6:45 pmSan Francisco
$705
Find similar
China Airlines
Nov 3
SFO11:40 pmSan Francisco
25h 50m
1 stop
HAN4:30 pmHanoi Noibai
Nov 18
HAN11:35 amHanoi Noibai
22h 10m
1 stop
SFO6:45 pmSan Francisco
$718
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 October 31, 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

Mon 11/24

11:35 pm-10:40 am

2 stops44h 05m

Hanoi Noibai

Sun 12/7

7:45 pm-7:40 pm

2 stops38h 55m

$675

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 11/10

12:00 pm-5:45 pm

1 stop38h 45m

Hanoi Noibai

Wed 11/19

3:10 pm-9:00 am

1 stop32h 50m

$676

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/29

11:35 pm-2:45 pm

2 stops24h 10m

Hanoi Noibai

Tue 2/17

8:55 am-7:40 pm

2 stops25h 45m

$677

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/27

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

Thu 12/4

1:30 pm-2:00 pm

1 stop15h 30m

$686

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 1/5

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

Sat 2/14

1:30 pm-2:00 pm

1 stop15h 30m

$693

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/29

11:40 pm-10:35 am

1 stop19h 55m

Hanoi Noibai

Tue 2/17

11:35 am-6:45 pm

1 stop22h 10m

$697

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 11/25

12:25 pm-9:45 pm

2 stops42h 20m

Hanoi Noibai

Wed 12/3

11:05 pm-9:30 am

1 stop25h 25m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 2/10

11:25 am-10:05 am

1 stop31h 40m

Hanoi Noibai

Tue 2/24

7:30 pm-9:15 pm

1 stop16h 45m

$707

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/27

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Mon 12/8

11:05 pm-7:30 am

2 stops47h 25m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/2

1:05 am-4:50 pm

1 stop25h 45m

Hanoi Noibai

Tue 4/14

5:50 pm-7:55 pm

1 stop16h 05m

$721

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 $777.

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 $937 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 $785 on momondo.

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

You could potentially save up to 31% 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 October 2025, prices for San Francisco to Hanoi flights are approximately 12% 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

Direct flights

None
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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  • How far is San Francisco to Hanoi Noibai by plane?

    San Francisco and Hanoi Noibai are 7302.4 mi apart from one another. 19h 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 $549Free CancellationRating
7.5
119 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $555Free CancellationRating
8.1
1,389 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $634Free CancellationRating
7.3
931 reviews
Search Philippine Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $666Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $675Free CancellationRating
7.6
1,044 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $682Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $709Free CancellationRating
8.3
1,597 reviews
Search Japan Airlines flights
ANAPriceFrom $723Free CancellationRating
8.4
999 reviews
Search ANA flights
China AirlinesPriceFrom $730Free CancellationRating
8.3
776 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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