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Cheap flights from San Francisco to Hanoi from $376

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 1/13. 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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Multiple Airlines Logo
10:30 pm - 1:45 amSFO-HAN
36h 15m1 stop
Multiple Airlines Logo
8:15 am - 8:40 pmHAN-SFO
26h 25m2 stops
$685Multiple Airlines
Find Deal
Wed, Feb 25 - Thu, Mar 12
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
$687China Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 29
Multiple Airlines Logo
11:35 pm - 6:40 pmSFO-HAN
28h 05m2 stops
Multiple Airlines Logo
6:40 am - 7:40 pmHAN-SFO
28h 00m3 stops
$692Multiple Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
Multiple Airlines Logo
11:35 pm - 2:45 pmSFO-HAN
24h 10m2 stops
Multiple Airlines Logo
6:40 am - 7:40 pmHAN-SFO
28h 00m3 stops
$693Multiple Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
Multiple Airlines Logo
11:35 pm - 2:45 pmSFO-HAN
24h 10m2 stops
Multiple Airlines Logo
2:45 am - 9:11 pmHAN-SFO
33h 26m2 stops
$694Multiple Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 9
Asiana Airlines Logo
11:30 pm - 12:15 pmSFO-HAN
22h 45m1 stop
Asiana Airlines Logo
1:25 pm - 3:00 pmHAN-SFO
15h 35m1 stop
$696Asiana Airlines
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Thu, Apr 9 - Mon, Apr 27
China Airlines Logo
11:40 pm - 4:30 pmSFO-HAN
25h 50m1 stop
China Airlines Logo
11:20 am - 7:45 pmHAN-SFO
22h 25m1 stop
$698China Airlines
Find Deal
Fri, Feb 27 - Thu, Mar 19
Korean Air Logo
12:40 pm - 9:35 pmSFO-HAN
18h 55m1 stop
Korean Air Logo
12:00 pm - 10:40 amHAN-SFO
36h 40m1 stop
$699Korean Air
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Thu, Apr 2 - Wed, Apr 15
Air China Logo
1:00 pm - 11:55 amSFO-HAN
32h 55m1 stop
Air China Logo
1:25 pm - 10:30 amHAN-SFO
35h 05m1 stop
$700Air China
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Sat, Mar 28 - Tue, Mar 31
China Airlines Logo
1:05 am - 10:35 amSFO-HAN
19h 30m1 stop
China Airlines Logo
5:50 pm - 7:55 pmHAN-SFO
16h 05m1 stop
$701China Airlines
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Sun, Mar 29 - Wed, Apr 8

Asiana Airlines flights from San Francisco to Hanoi

Our best Asiana Airlines deals on San Francisco to Hanoi flight tickets
Asiana Airlines
Apr 1
SFO11:30 pmSan Francisco
22h 45m
1 stop
HAN12:15 pmHanoi Noibai
Apr 30
HAN11:30 pmHanoi Noibai
29h 30m
1 stop
SFO3:00 pmSan Francisco
$686
Find similar
Asiana Airlines
Jan 11
SFO11:50 pmSan Francisco
31h 35m
1 stop
HAN10:25 pmHanoi Noibai
Jan 31
HAN1:30 pmHanoi Noibai
15h 30m
1 stop
SFO2:00 pmSan Francisco
$712
Find similar
Asiana Airlines
Jan 8
SFO11:50 pmSan Francisco
31h 35m
1 stop
HAN10:25 pmHanoi Noibai
Jan 28
HAN1:30 pmHanoi Noibai
15h 30m
1 stop
SFO2:00 pmSan Francisco
$714
Find similar

Korean Air flights from San Francisco to Hanoi

Our best Korean Air deals on San Francisco to Hanoi flight tickets
Korean Air
Apr 2
SFO12:40 pmSan Francisco
18h 55m
1 stop
HAN9:35 pmHanoi Noibai
Apr 12
HAN11:10 pmHanoi Noibai
25h 30m
1 stop
SFO10:40 amSan Francisco
$699
Find similar
Korean Air
Jan 17
SFO11:40 amSan Francisco
19h 05m
1 stop
HAN9:45 pmHanoi Noibai
Jan 26
HAN12:20 pmHanoi Noibai
36h 10m
1 stop
SFO9:30 amSan Francisco
$702
Find similar
Korean Air
Mar 30
SFO4:15 pmSan Francisco
28h 25m
2 stops
HAN10:40 amHanoi Noibai
Apr 12
HAN11:10 pmHanoi Noibai
25h 30m
1 stop
SFO10:40 amSan Francisco
$704
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 November 20, 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

Wed 2/25

10:30 pm-1:45 am

1 stop36h 15m

Hanoi Noibai

Thu 3/12

8:15 am-8:40 pm

2 stops26h 25m

$685

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/15

11:40 pm-10:35 am

1 stop19h 55m

Hanoi Noibai

Thu 1/29

11:35 am-6:45 pm

1 stop22h 10m

$687

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

11:35 pm-6:40 pm

2 stops28h 05m

Hanoi Noibai

Mon 12/15

6:40 am-7:40 pm

3 stops28h 00m

$692

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

11:35 pm-2:45 pm

2 stops24h 10m

Hanoi Noibai

Mon 12/15

6:40 am-7:40 pm

3 stops28h 00m

$693

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

11:35 pm-2:45 pm

2 stops24h 10m

Hanoi Noibai

Tue 12/9

2:45 am-9:11 pm

2 stops33h 26m

$694

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/9

11:30 pm-12:15 pm

1 stop22h 45m

Hanoi Noibai

Mon 4/27

1:25 pm-3:00 pm

1 stop15h 35m

$696

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 2/27

11:40 pm-4:30 pm

1 stop25h 50m

Hanoi Noibai

Thu 3/19

11:20 am-7:45 pm

1 stop22h 25m

$698

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/2

12:40 pm-9:35 pm

1 stop18h 55m

Hanoi Noibai

Wed 4/15

12:00 pm-10:40 am

1 stop36h 40m

$699

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 3/28

1:00 pm-11:55 am

1 stop32h 55m

Hanoi Noibai

Tue 3/31

1:25 pm-10:30 am

1 stop35h 05m

$700

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 3/29

1:05 am-10:35 am

1 stop19h 30m

Hanoi Noibai

Wed 4/8

5:50 pm-7:55 pm

1 stop16h 05m

$701

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 $929 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 $779 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 November 2025, prices for San Francisco to Hanoi flights are approximately 10% 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. 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 $549Free CancellationRating
7.5
119 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $555Free CancellationRating
8.1
1,407 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $634Free CancellationRating
7.3
937 reviews
Search Philippine Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
178 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $665Free CancellationRating
8.2
488 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $675Free CancellationRating
7.6
1,061 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $682Free CancellationRating
8.4
1,168 reviews
Search Korean Air flights
Japan AirlinesPriceFrom $709Free CancellationRating
8.3
1,623 reviews
Search Japan Airlines flights
ANAPriceFrom $723Free CancellationRating
8.4
1,008 reviews
Search ANA flights
China AirlinesPriceFrom $730Free CancellationRating
8.3
782 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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