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Cheap flights from San Francisco to Hanoi from $373

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 1/25. 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.
Asiana Airlines Logo
11:50 pm - 10:25 pm
SFO
-
HAN
31h 35m1 stop
Asiana Airlines Logo
11:50 pm - 3:00 pm
HAN
-
SFO
29h 10m1 stop
$700Asiana Airlines
Mon, Mar 2 - Sun, Mar 15
China Southern Logo
11:35 pm - 2:45 pm
SFO
-
HAN
24h 10m2 stops
China Southern Logo
12:45 pm - 7:40 pm
HAN
-
SFO
21h 55m1 stop
$704China Southern
Thu, Jan 22 - Sat, Feb 7
Multiple Airlines Logo
11:50 pm - 12:10 pm
SFO
-
HAN
21h 20m1 stop
Multiple Airlines Logo
11:45 am - 8:40 pm
HAN
-
SFO
22h 55m2 stops
$705Multiple Airlines
Tue, Feb 24 - Mon, Mar 23
Multiple Airlines Logo
11:50 pm - 12:10 pm
SFO
-
HAN
22h 20m1 stop
Multiple Airlines Logo
11:45 am - 8:40 pm
HAN
-
SFO
22h 55m2 stops
$707Multiple Airlines
Sun, Mar 8 - Thu, Mar 12
Multiple Airlines Logo
11:40 am - 10:25 pm
SFO
-
HAN
19h 45m1 stop
Multiple Airlines Logo
11:05 pm - 7:54 am
HAN
-
SFO
46h 49m2 stops
$708Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
China Eastern Logo
12:00 pm - 1:45 am
SFO
-
HAN
22h 45m1 stop
China Eastern Logo
2:45 am - 5:47 pm
HAN
-
SFO
30h 02m2 stops
$710China Eastern
Mon, Jan 19 - Wed, Jan 28
ANA Logo
11:00 am - 11:05 pm
SFO
-
HAN
21h 05m1 stop
ANA Logo
12:25 am - 8:07 pm
HAN
-
SFO
34h 42m2 stops
$711ANA
Wed, Jan 21 - Tue, Feb 3
China Eastern Logo
1:00 pm - 1:45 am
SFO
-
HAN
22h 45m1 stop
China Eastern Logo
2:20 am - 9:05 am
HAN
-
SFO
20h 45m1 stop
$712China Eastern
Mon, Mar 23 - Fri, Apr 3
Korean Air Logo
1:15 pm - 9:45 pm
SFO
-
HAN
41h 30m2 stops
Korean Air Logo
11:05 pm - 10:30 am
HAN
-
SFO
25h 25m1 stop
$717Korean Air
Mon, Mar 2 - Sun, Mar 15
Korean Air Logo
11:40 am - 11:10 am
SFO
-
HAN
32h 30m1 stop
Korean Air Logo
12:20 pm - 10:30 am
HAN
-
SFO
36h 10m1 stop
$720Korean Air
Fri, Mar 6 - Tue, Mar 17

China Eastern flights from San Francisco to Hanoi

Our best China Eastern deals on San Francisco to Hanoi flight tickets
China Eastern
Mar 30
SFO12:00 pmSan Francisco
23h 20m
1 stop
HAN1:20 amHanoi Noibai
Apr 8
HAN5:30 pmHanoi Noibai
29h 35m
2 stops
SFO9:05 amSan Francisco
$702
China Eastern
Mar 30
SFO12:00 pmSan Francisco
23h 20m
1 stop
HAN1:20 amHanoi Noibai
Apr 8
HAN5:30 pmHanoi Noibai
29h 35m
2 stops
SFO9:05 amSan Francisco
$703
China Eastern
Jan 19
SFO12:00 pmSan Francisco
22h 45m
1 stop
HAN1:45 amHanoi Noibai
Jan 28
HAN2:45 amHanoi Noibai
30h 02m
2 stops
SFO5:47 pmSan Francisco
$710

Korean Air flights from San Francisco to Hanoi

Our best Korean Air deals on San Francisco to Hanoi flight tickets
Korean Air
Apr 9
SFO4:03 pmSan Francisco
39h 32m
2 stops
HAN9:35 pmHanoi Noibai
Apr 20
HAN12:00 pmHanoi Noibai
36h 40m
1 stop
SFO10:40 amSan Francisco
$705
Korean Air
Mar 2
SFO1:15 pmSan Francisco
41h 30m
2 stops
HAN9:45 pmHanoi Noibai
Mar 15
HAN11:05 pmHanoi Noibai
25h 25m
1 stop
SFO10:30 amSan Francisco
$717
Korean Air
Mar 6
SFO11:40 amSan Francisco
19h 05m
1 stop
HAN9:45 pmHanoi Noibai
Mar 11
HAN11:05 pmHanoi Noibai
25h 25m
1 stop
SFO10:30 amSan Francisco
$720

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 January 8, 2026.
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 3/2

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

Sun 3/15

11:50 pm-3:00 pm

1 stop29h 10m

$700

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 1/22

11:35 pm-2:45 pm

2 stops24h 10m

Hanoi Noibai

Sat 2/7

12:45 pm-7:40 pm

1 stop21h 55m

$704

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 2/24

11:50 pm-12:10 pm

1 stop21h 20m

Hanoi Noibai

Mon 3/23

11:45 am-8:40 pm

2 stops22h 55m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 3/8

11:50 pm-12:10 pm

1 stop22h 20m

Hanoi Noibai

Thu 3/12

11:45 am-8:40 pm

2 stops22h 55m

$707

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 3/2

11:40 am-10:25 pm

1 stop19h 45m

Hanoi Noibai

Mon 3/16

11:05 pm-7:54 am

2 stops46h 49m

$708

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 1/19

12:00 pm-1:45 am

1 stop22h 45m

Hanoi Noibai

Wed 1/28

2:45 am-5:47 pm

2 stops30h 02m

$710

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 1/21

11:00 am-11:05 pm

1 stop21h 05m

Hanoi Noibai

Tue 2/3

12:25 am-8:07 pm

2 stops34h 42m

$711

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 3/23

1:00 pm-1:45 am

1 stop22h 45m

Hanoi Noibai

Fri 4/3

2:20 am-9:05 am

1 stop20h 45m

$712

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 3/2

1:15 pm-9:45 pm

2 stops41h 30m

Hanoi Noibai

Sun 3/15

11:05 pm-10:30 am

1 stop25h 25m

$717

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 3/6

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Tue 3/17

12:20 pm-10:30 am

1 stop36h 10m

$720

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 $766, 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 $770.

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 $919 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 $751 on momondo.

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

You could potentially save up to 7% 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 January 2026, prices for San Francisco to Hanoi flights are approximately 38% 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

21h 20m

Direct flights

None
The fastest flight from San Francisco to Hanoi takes 21h 20m
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. 21h 20m 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
125 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $555Free CancellationRating
8.1
1,429 reviews
Search Singapore Airlines flights
Philippine AirlinesPriceFrom $634Free CancellationRating
7.3
949 reviews
Search Philippine Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
187 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $657Free CancellationRating
8.2
499 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $672Free CancellationRating
7.6
1,126 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $686Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
United AirlinesPriceFrom $711Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
China AirlinesPriceFrom $718Free CancellationRating
8.3
798 reviews
Search China Airlines flights
ANAPriceFrom $723Free CancellationRating
8.4
1,063 reviews
Search ANA 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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