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Cheap flights from Hanoi to San Francisco from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hanoi to San Francisco departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Hanoi to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
12:05 pm - 10:40 am
HAN
-
SFO
36h 35m
1 stop
Korean Air Logo
12:50 pm - 10:35 am
SFO
-
HAN
31h 45m
1 stop
$854Korean Air
Thu, Sep 3 - Wed, Sep 16
Asiana Airlines Logo
11:30 pm - 3:30 pm
HAN
-
SFO
30h 00m
1 stop
Asiana Airlines Logo
11:20 pm - 10:00 pm
SFO
-
HAN
32h 40m
1 stop
$855Asiana Airlines
Fri, Sep 11 - Fri, Sep 25
Asiana Airlines Logo
11:30 pm - 3:30 pm
HAN
-
SFO
30h 00m
1 stop
Asiana Airlines Logo
11:20 pm - 10:00 pm
SFO
-
HAN
32h 40m
1 stop
$859Asiana Airlines
Fri, Sep 11 - Sat, Sep 26
Korean Air Logo
11:10 pm - 10:40 am
HAN
-
SFO
25h 30m
1 stop
Korean Air Logo
12:50 pm - 9:35 pm
SFO
-
HAN
18h 45m
1 stop
$861Korean Air
Tue, Sep 8 - Thu, Sep 24
Asiana Airlines Logo
1:25 pm - 3:30 pm
HAN
-
SFO
16h 05m
1 stop
Asiana Airlines Logo
11:20 pm - 12:15 pm
SFO
-
HAN
22h 55m
1 stop
$867Asiana Airlines
Thu, Sep 3 - Wed, Sep 16
Asiana Airlines Logo
11:30 pm - 3:30 pm
HAN
-
SFO
30h 00m
1 stop
Asiana Airlines Logo
11:50 pm - 12:10 pm
SFO
-
HAN
21h 20m
1 stop
$868Asiana Airlines
Tue, Sep 1 - Wed, Dec 30
EVA Air Logo
12:05 pm - 4:10 pm
HAN
-
SFO
18h 05m
1 stop
EVA Air Logo
1:00 pm - 4:50 pm
SFO
-
HAN
37h 50m
1 stop
$874EVA Air
Thu, Sep 10 - Sun, Sep 20
Asiana Airlines Logo
1:25 pm - 3:30 pm
HAN
-
SFO
16h 05m
1 stop
Asiana Airlines Logo
11:20 pm - 12:15 pm
SFO
-
HAN
22h 55m
1 stop
$880Asiana Airlines
Fri, Sep 11 - Sat, Sep 26
China Airlines Logo
5:50 pm - 8:30 pm
HAN
-
SFO
16h 40m
1 stop
China Airlines Logo
1:05 am - 4:50 pm
SFO
-
HAN
25h 45m
1 stop
$882China Airlines
Fri, Sep 11 - Fri, Sep 25
Korean Air Logo
11:10 pm - 10:40 am
HAN
-
SFO
25h 30m
1 stop
Korean Air Logo
12:50 pm - 9:35 pm
SFO
-
HAN
18h 45m
1 stop
$883Korean Air
Tue, Sep 1 - Thu, Sep 24

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Cathay Pacific flights from Hanoi to San Francisco

Our best Cathay Pacific deals on Hanoi to San Francisco flight tickets
Cathay Pacific
Aug 20
HAN10:55 amHanoi Noibai
26h 20m
1 stop
SFO11:15 pmSan Francisco
Aug 26
SFO1:20 amSan Francisco
18h 35m
1 stop
HAN9:55 amHanoi Noibai
$921
Cathay Pacific
Aug 20
HAN10:55 amHanoi Noibai
26h 20m
1 stop
SFO11:15 pmSan Francisco
Aug 26
SFO1:20 amSan Francisco
18h 35m
1 stop
HAN9:55 amHanoi Noibai
$936
Cathay Pacific
Aug 20
HAN10:55 amHanoi Noibai
26h 20m
1 stop
SFO11:15 pmSan Francisco
Aug 26
SFO1:20 amSan Francisco
18h 35m
1 stop
HAN9:55 amHanoi Noibai
$938

United Airlines flights from Hanoi to San Francisco

Our best United Airlines deals on Hanoi to San Francisco flight tickets
United Airlines
Aug 31
HAN11:35 pmHanoi Noibai
24h 55m
1 stop
SFO10:30 amSan Francisco
Dec 31
SFO7:15 amSan Francisco
24h 50m
2 stops
HAN11:05 pmHanoi Noibai
$931
United Airlines
Jul 20
HAN11:35 pmHanoi Noibai
25h 05m
1 stop
SFO10:40 amSan Francisco
Sep 10
SFO12:15 pmSan Francisco
20h 00m
1 stop
HAN10:15 pmHanoi Noibai
$934
United Airlines
Oct 6
HAN11:35 pmHanoi Noibai
45h 06m
2 stops
SFO6:41 amSan Francisco
Oct 8
SFO8:55 amSan Francisco
23h 20m
2 stops
HAN10:15 pmHanoi Noibai
$935

momondo Fare Finder

 
Customize your flight search to find flights from Hanoi to San Francisco 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 July 11, 2026.
Use the filters below to find and compare flights from Hanoi to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Thu 9/3

12:05 pm-10:40 am

1 stop36h 35m

San Francisco

Wed 9/16

12:50 pm-10:35 am

1 stop31h 45m

$854

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Fri 9/11

11:30 pm-3:30 pm

1 stop30h 00m

San Francisco

Fri 9/25

11:20 pm-10:00 pm

1 stop32h 40m

$855

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Fri 9/11

11:30 pm-3:30 pm

1 stop30h 00m

San Francisco

Sat 9/26

11:20 pm-10:00 pm

1 stop32h 40m

$859

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Tue 9/8

11:10 pm-10:40 am

1 stop25h 30m

San Francisco

Thu 9/24

12:50 pm-9:35 pm

1 stop18h 45m

$861
Quickest round-trip

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Thu 9/3

1:25 pm-3:30 pm

1 stop16h 05m

San Francisco

Wed 9/16

11:20 pm-12:15 pm

1 stop22h 55m

$867

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Tue 9/1

11:30 pm-3:30 pm

1 stop30h 00m

San Francisco

Wed 12/30

11:50 pm-12:10 pm

1 stop21h 20m

$868

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Thu 9/10

12:05 pm-4:10 pm

1 stop18h 05m

San Francisco

Sun 9/20

1:00 pm-4:50 pm

1 stop37h 50m

$874

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Fri 9/11

1:25 pm-3:30 pm

1 stop16h 05m

San Francisco

Sat 9/26

11:20 pm-12:15 pm

1 stop22h 55m

$880

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Fri 9/11

5:50 pm-8:30 pm

1 stop16h 40m

San Francisco

Fri 9/25

1:05 am-4:50 pm

1 stop25h 45m

$882

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

Tue 9/1

11:10 pm-10:40 am

1 stop25h 30m

San Francisco

Thu 9/24

12:50 pm-9:35 pm

1 stop18h 45m

$883

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 San Francisco from

How to get the cheapest flight ticket from Hanoi to San Francisco

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 typical price of a round-trip flight between Hanoi and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $757.

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

You could potentially save up to 4% on your flight if you consider stops on a Hanoi to San Francisco flight.

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

As of July 2026, prices for Hanoi to San Francisco flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Hanoi to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Hanoi to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hanoi to San Francisco (HAN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hanoi to San Francisco

Fastest flight time

24h 55m

Direct flights

None
The fastest flight from Hanoi to San Francisco takes 24h 55m
There are no direct flights from Hanoi to San Francisco. There are no popular flight routes from Hanoi to San Francisco.
Search flight deals

Frequently asked questions about flying from Hanoi to San Francisco

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

    San Francisco is 7303.3 mi away from Hanoi Noibai. In terms of flight time, this usually takes a little over 24h 55m.

  • When did momondo last update prices for flights from Hanoi Noibai Airport to San Francisco Airport?

    Prices for flights from Hanoi Noibai Airport to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Hanoi Noibai Airport to San Francisco Airport?

  • How old do you have to be to fly from Hanoi Noibai Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hanoi Noibai Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Hanoi to San Francisco?

Best airlines flying from Hanoi to San Francisco

Compare and see reviews for airlines that fly from Hanoi to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $735Free CancellationRating
8.5
1,498 reviews
Search EVA Air flights
Asiana AirlinesPriceFrom $748Free CancellationRating
8.1
551 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $787Free CancellationRating
8.3
833 reviews
Search China Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
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Modesto
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Hayward
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Fremont
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Roseville
Walnut Creek
Santa Clara
Berkeley
Salinas
Vallejo
Sunnyvale
Burlingame
Daly City
Big Sur
Milpitas
Turlock

Why use momondo?

Why should I use momondo to find a flight deal from Hanoi to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hanoi to San Francisco for you.

Can I find flights from Hanoi to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Hanoi which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Hanoi to San Francisco?

Once all potential Hanoi to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Hanoi to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Hanoi. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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