Cheap flights from San Francisco to Hanoi from $336

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 8/21. 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

Asiana Airlines Logo
11:30 pm - 12:15 pmSFO-HAN
22h 45m1 stop
Asiana Airlines Logo
1:25 pm - 3:30 pmHAN-SFO
16h 05m1 stop
$642Asiana Airlines
Find Deal
Thu, Sep 11 - Tue, Sep 16
China Eastern Logo
12:00 pm - 1:20 amSFO-HAN
23h 20m1 stop
China Eastern Logo
2:20 am - 9:05 amHAN-SFO
20h 45m1 stop
$654China Eastern
Find Deal
Mon, Aug 11 - Sun, Aug 31
Asiana Airlines Logo
11:30 pm - 12:15 pmSFO-HAN
22h 45m1 stop
Asiana Airlines Logo
1:25 pm - 3:30 pmHAN-SFO
16h 05m1 stop
$655Asiana Airlines
Find Deal
Mon, Aug 11 - Mon, Sep 1
Asiana Airlines Logo
11:30 pm - 12:15 pmSFO-HAN
22h 45m1 stop
Asiana Airlines Logo
11:30 pm - 3:30 pmHAN-SFO
30h 00m1 stop
$659Asiana Airlines
Find Deal
Mon, Aug 11 - Mon, Sep 1
China Eastern Logo
12:00 pm - 12:30 pmSFO-HAN
33h 30m1 stop
China Eastern Logo
2:45 am - 9:00 amHAN-SFO
21h 15m1 stop
$663China Eastern
Find Deal
Sat, Nov 15 - Fri, Nov 28
Cathay Pacific Logo
12:05 am - 3:35 pmSFO-HAN
25h 30m1 stop
Cathay Pacific Logo
10:55 am - 10:40 pmHAN-SFO
25h 45m1 stop
$693Cathay Pacific
Find Deal
Wed, Sep 10 - Tue, Sep 16
Cathay Pacific Logo
1:05 am - 9:55 amSFO-HAN
18h 50m1 stop
Cathay Pacific Logo
10:30 am - 10:55 pmHAN-SFO
26h 25m1 stop
$695Cathay Pacific
Find Deal
Sun, Aug 10 - Mon, Sep 1
Korean Air Logo
6:58 pm - 9:35 pmSFO-HAN
36h 37m2 stops
Korean Air Logo
11:10 pm - 10:40 amHAN-SFO
25h 30m1 stop
$705Korean Air
Find Deal
Tue, Aug 12 - Mon, Sep 1
Korean Air Logo
4:15 pm - 11:10 amSFO-HAN
28h 55m2 stops
Korean Air Logo
11:00 pm - 9:30 amHAN-SFO
25h 30m1 stop
$711Korean Air
Find Deal
Mon, Oct 27 - Mon, Dec 1
China Southern Logo
12:35 am - 11:15 pmSFO-HAN
32h 40m1 stop
China Southern Logo
4:45 pm - 8:30 pmHAN-SFO
41h 45m2 stops
$736China Southern
Find Deal
Tue, Aug 5 - Wed, Aug 20

Asiana Airlines flights from San Francisco to Hanoi

Our best Asiana Airlines deals on San Francisco to Hanoi flight tickets
Asiana Airlines
Sep 11
SFO11:30 pmSan Francisco
22h 45m
1 stop
HAN12:15 pmHanoi Noibai
Sep 16
HAN1:25 pmHanoi Noibai
16h 05m
1 stop
SFO3:30 pmSan Francisco
Asiana Airlines
Aug 11
SFO11:30 pmSan Francisco
22h 45m
1 stop
HAN12:15 pmHanoi Noibai
Sep 1
HAN1:25 pmHanoi Noibai
16h 05m
1 stop
SFO3:30 pmSan Francisco
Asiana Airlines
Aug 11
SFO11:30 pmSan Francisco
22h 45m
1 stop
HAN12:15 pmHanoi Noibai
Sep 1
HAN11:30 pmHanoi Noibai
30h 00m
1 stop
SFO3:30 pmSan Francisco

Korean Air flights from San Francisco to Hanoi

Our best Korean Air deals on San Francisco to Hanoi flight tickets
Korean Air
Aug 12
SFO6:58 pmSan Francisco
36h 37m
2 stops
HAN9:35 pmHanoi Noibai
Sep 1
HAN11:10 pmHanoi Noibai
25h 30m
1 stop
SFO10:40 amSan Francisco
Korean Air
Oct 27
SFO4:15 pmSan Francisco
28h 55m
2 stops
HAN11:10 amHanoi Noibai
Dec 1
HAN11:00 pmHanoi Noibai
25h 30m
1 stop
SFO9:30 amSan Francisco
Korean Air
Oct 23
SFO4:15 pmSan Francisco
28h 25m
2 stops
HAN10:40 amHanoi Noibai
Dec 1
HAN12:20 pmHanoi Noibai
36h 10m
1 stop
SFO9:30 amSan Francisco

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 $792, 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 August is your next best option. Flight prices from San Francisco to Hanoi during August average around $810.

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 $958 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 $819 on momondo.

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

As of July 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

Best Price Found

$336

Fastest flight time

17h 50m

Direct flights

None

Airports in Hanoi

1 airport
The best one-way flight to Hanoi from San Francisco in the past 72 hours is $336. The best round-trip flight deal from San Francisco to Hanoi found on momondo in the last 72 hours is $642.
The fastest flight from San Francisco to Hanoi takes 17h 50m
There are no direct flights from San Francisco to Hanoi. Popular non-direct route for this connection is San Francisco Airport - Hanoi Noibai Airport.
There is 1 airport near Hanoi: Hanoi Noibai (HAN)

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

    San Francisco and Hanoi Noibai are 7302.4 mi apart from one another. 18h 25m 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
Korean AirPriceFrom $503Free CancellationRating
8.4
1,105 reviews
Search Korean Air flights
China SouthernPriceFrom $577Free CancellationRating
7.6
103 reviews
Search China Southern flights
Singapore AirlinesPriceFrom $647Free CancellationRating
8.1
1,324 reviews
Search Singapore Airlines flights
China EasternPriceFrom $654Free CancellationRating
7.2
151 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $675Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $702Free CancellationRating
7.6
929 reviews
Search Cathay Pacific flights
ANAPriceFrom $728Free CancellationRating
8.4
898 reviews
Search ANA flights
Japan AirlinesPriceFrom $730Free CancellationRating
8.3
1,512 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $731Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
China AirlinesPriceFrom $735Free CancellationRating
8.3
744 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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Tue 7/15
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