Cheap flights from San Francisco to Hanoi from $241

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 9/27. 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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Philippine Airlines Logo
10:30 pm - 1:50 amSFO-HAN
36h 20m1 stop
Philippine Airlines Logo
2:45 pm - 7:30 pmHAN-SFO
19h 45m1 stop
$657Philippine Airlines
Find Deal
Mon, Nov 3 - Tue, Dec 2
Asiana Airlines Logo
11:30 pm - 10:00 pmSFO-HAN
32h 30m1 stop
Asiana Airlines Logo
11:30 pm - 3:00 pmHAN-SFO
30h 30m1 stop
$658Asiana Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 5
Asiana Airlines Logo
11:30 pm - 10:00 pmSFO-HAN
32h 30m1 stop
Asiana Airlines Logo
11:30 pm - 3:30 pmHAN-SFO
30h 00m1 stop
$659Asiana Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 28
Cathay Pacific Logo
1:05 am - 6:05 pmSFO-HAN
27h 00m1 stop
Cathay Pacific Logo
10:30 am - 10:40 pmHAN-SFO
26h 10m1 stop
$662Cathay Pacific
Find Deal
Sun, Sep 7 - Tue, Sep 23
China Eastern Logo
1:00 pm - 1:45 amSFO-HAN
22h 45m1 stop
China Eastern Logo
2:20 pm - 9:00 amHAN-SFO
33h 40m1 stop
$668China Eastern
Find Deal
Sat, Nov 1 - Sun, Nov 9
Cathay Pacific Logo
12:20 am - 9:55 amSFO-HAN
19h 35m1 stop
Cathay Pacific Logo
7:05 pm - 10:40 pmHAN-SFO
17h 35m1 stop
$669Cathay Pacific
Find Deal
Tue, Sep 30 - Tue, Oct 14
Korean Air Logo
12:50 pm - 9:35 pmSFO-HAN
18h 45m1 stop
Korean Air Logo
11:10 pm - 10:40 amHAN-SFO
25h 30m1 stop
$682Korean Air
Find Deal
Wed, Sep 10 - Wed, Oct 1
Korean Air Logo
3:30 pm - 9:45 pmSFO-HAN
39h 15m2 stops
Korean Air Logo
11:00 pm - 9:30 amHAN-SFO
25h 30m1 stop
$688Korean Air
Find Deal
Wed, Nov 5 - Wed, Nov 12
ANA Logo
12:00 pm - 11:05 pmSFO-HAN
21h 05m1 stop
ANA Logo
12:25 am - 9:15 amHAN-SFO
23h 50m1 stop
$690ANA
Find Deal
Mon, Oct 27 - Tue, Nov 4
China Eastern Logo
12:00 pm - 1:20 amSFO-HAN
23h 20m1 stop
China Eastern Logo
2:45 am - 9:00 amHAN-SFO
21h 15m1 stop
$693China Eastern
Find Deal
Sat, Oct 18 - Fri, Nov 7

Asiana Airlines flights from San Francisco to Hanoi

Our best Asiana Airlines deals on San Francisco to Hanoi flight tickets
Asiana Airlines
Oct 27
SFO11:30 pmSan Francisco
32h 30m
1 stop
HAN10:00 pmHanoi Noibai
Nov 5
HAN11:30 pmHanoi Noibai
30h 30m
1 stop
SFO3:00 pmSan Francisco
Asiana Airlines
Sep 14
SFO11:30 pmSan Francisco
32h 30m
1 stop
HAN10:00 pmHanoi Noibai
Sep 28
HAN11:30 pmHanoi Noibai
30h 00m
1 stop
SFO3:30 pmSan Francisco
Asiana Airlines
Sep 21
SFO11:30 pmSan Francisco
32h 30m
1 stop
HAN10:00 pmHanoi Noibai
Oct 6
HAN1:25 pmHanoi Noibai
16h 05m
1 stop
SFO3:30 pmSan Francisco

Cathay Pacific flights from San Francisco to Hanoi

Our best Cathay Pacific deals on San Francisco to Hanoi flight tickets
Cathay Pacific
Sep 7
SFO1:05 amSan Francisco
27h 00m
1 stop
HAN6:05 pmHanoi Noibai
Sep 23
HAN10:30 amHanoi Noibai
26h 10m
1 stop
SFO10:40 pmSan Francisco
Cathay Pacific
Sep 30
SFO12:20 amSan Francisco
19h 35m
1 stop
HAN9:55 amHanoi Noibai
Oct 14
HAN7:05 pmHanoi Noibai
17h 35m
1 stop
SFO10:40 pmSan Francisco
Cathay Pacific
Sep 21
SFO12:20 amSan Francisco
19h 35m
1 stop
HAN9:55 amHanoi Noibai
Oct 6
HAN10:30 amHanoi Noibai
38h 45m
1 stop
SFO11:15 amSan Francisco

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 August 26, 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 11/3

10:30 pm-1:50 am

1 stop36h 20m

Hanoi Noibai

Tue 12/2

2:45 pm-7:30 pm

1 stop19h 45m

$657

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 10/27

11:30 pm-10:00 pm

1 stop32h 30m

Hanoi Noibai

Wed 11/5

11:30 pm-3:00 pm

1 stop30h 30m

$658

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 9/14

11:30 pm-10:00 pm

1 stop32h 30m

Hanoi Noibai

Sun 9/28

11:30 pm-3:30 pm

1 stop30h 00m

$659

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 9/7

1:05 am-6:05 pm

1 stop27h 00m

Hanoi Noibai

Tue 9/23

10:30 am-10:40 pm

1 stop26h 10m

$662

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 11/1

1:00 pm-1:45 am

1 stop22h 45m

Hanoi Noibai

Sun 11/9

2:20 pm-9:00 am

1 stop33h 40m

$668

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 9/30

12:20 am-9:55 am

1 stop19h 35m

Hanoi Noibai

Tue 10/14

7:05 pm-10:40 pm

1 stop17h 35m

$669

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 9/10

12:50 pm-9:35 pm

1 stop18h 45m

Hanoi Noibai

Wed 10/1

11:10 pm-10:40 am

1 stop25h 30m

$682

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 11/5

3:30 pm-9:45 pm

2 stops39h 15m

Hanoi Noibai

Wed 11/12

11:00 pm-9:30 am

1 stop25h 30m

$688

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 10/27

12:00 pm-11:05 pm

1 stop21h 05m

Hanoi Noibai

Tue 11/4

12:25 am-9:15 am

1 stop23h 50m

$690

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 10/18

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Fri 11/7

2:45 am-9:00 am

1 stop21h 15m

$693

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 March. Flight prices, which tend to average around $794, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in March, then September is your next best option. Flight prices from San Francisco to Hanoi during September average around $794.

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 $945 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 $811 on momondo.

How have San Francisco to Hanoi flight prices changed over time?

As of August 2025, prices for San Francisco to Hanoi flights are approximately 27% 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.
  • How far is San Francisco to Hanoi Noibai by plane?

    San Francisco and Hanoi Noibai are 7302.4 mi apart from one another. 18h 45m 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 $577Free CancellationRating
7.5
109 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $647Free CancellationRating
8.1
1,352 reviews
Search Singapore Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
162 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $670Free CancellationRating
8.2
477 reviews
Search Asiana Airlines flights
Philippine AirlinesPriceFrom $674Free CancellationRating
7.2
905 reviews
Search Philippine Airlines flights
Korean AirPriceFrom $682Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
Cathay PacificPriceFrom $690Free CancellationRating
7.6
975 reviews
Search Cathay Pacific flights
ANAPriceFrom $728Free CancellationRating
8.4
943 reviews
Search ANA flights
Japan AirlinesPriceFrom $730Free CancellationRating
8.3
1,552 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $731Free CancellationRating
7.4
8,943 reviews
Search United 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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1 adult
Sun 8/31
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