San Francisco

$421+ Cheap flights from Hanoi (HAN) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SFO
ago. 3 — ago. 101
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Cheap flight deals from Hanoi to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 29, 2025.

Round-trip from

$644
(Trip.com)

One-way from

$421
(Orbitz)

Popular in

March

Cheapest in

October

Average price

$923
From Hanoi Noibai to San Francisco
One-way flight from Hanoi Noibai to San Francisco
Highest demand for flights based on searches. 8% potential increase in price ($80 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Hanoi to San Francisco

Cheapest flights from Hanoi to San Francisco
Explore the most affordable flight options available from Hanoi to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/112:30 amHAN - SFO
1 stop32h 20mPhilippine Airlines
vie. 9/1911:55 pmSFO - HAN
1 stop34h 50mPhilippine Airlines
Deal found 7/29$644
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/111:40 amHAN - SFO
2 stops27h 48mMultiple Airlines
vie. 9/197:10 amSFO - HAN
2 stops35h 45mMultiple Airlines
Deal found 7/29$681
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1211:10 amHAN - SFO
1 stop23h 20mSTARLUX Airlines
jue. 9/1812:50 amSFO - HAN
1 stop26h 00mSTARLUX Airlines
Deal found 7/29$771
This Korean Air deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1012:00 pmHAN - SFO
1 stop36h 40mKorean Air
mié. 9/1712:50 pmSFO - HAN
1 stop31h 50mKorean Air
Deal found 7/29$774
This China Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1011:35 amHAN - SFO
1 stop22h 55mChina Airlines
mar. 9/161:05 amSFO - HAN
1 stop19h 30mChina Airlines
Deal found 7/27$811
This Asiana Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/121:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
vie. 9/1911:30 pmSFO - HAN
1 stop22h 45mAsiana Airlines
Deal found 7/29$818
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1011:10 pmHAN - SFO
2 stops36h 35mDelta
mié. 9/177:15 pmSFO - HAN
2 stops36h 20mDelta
Deal found 7/29$821
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/411:35 pmHAN - SFO
1 stop24h 55mANA
jue. 9/111:20 amSFO - HAN
2 stops21h 40mANA
Deal found 7/27$891
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/911:35 pmHAN - SFO
1 stop24h 55mUnited Airlines
mar. 9/169:30 pmSFO - HAN
2 stops34h 45mUnited Airlines
Deal found 7/28$892
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/106:00 pmHAN - SFO
1 stop27h 20mEVA Air
sáb. 8/161:25 amSFO - HAN
1 stop19h 40mEVA Air
Deal found 7/28$926
This Gotogate deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/92:10 amHAN - SFO
2 stops22h 20mAir China
mié. 9/171:00 pmSFO - HAN
2 stops29h 40mAir China
Deal found 7/29$1,086

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
Use the filters below to find and compare flights from Hanoi to San Francisco that are best for you.

Fly from

Hanoi

Fly to

San Francisco

Route

Depart

Return

Price

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

jue. 9/11

2:30 am-8:50 pm

1 stop32h 20m

San Francisco

vie. 9/19

11:55 pm-12:45 am

1 stop34h 50m

$644

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

jue. 9/11

1:40 am-3:28 pm

2 stops27h 48m

San Francisco

vie. 9/19

7:10 am-8:55 am

2 stops35h 45m

$681

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

vie. 9/12

11:10 am-8:30 pm

1 stop23h 20m

San Francisco

jue. 9/18

12:50 am-4:50 pm

1 stop26h 00m

$771

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

mié. 9/10

12:00 pm-10:40 am

1 stop36h 40m

San Francisco

mié. 9/17

12:50 pm-10:40 am

1 stop31h 50m

$774

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

mié. 9/10

11:35 am-8:30 pm

1 stop22h 55m

San Francisco

mar. 9/16

1:05 am-10:35 am

1 stop19h 30m

$811

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

vie. 9/12

1:25 pm-3:30 pm

1 stop16h 05m

San Francisco

vie. 9/19

11:30 pm-12:15 pm

1 stop22h 45m

$818

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

mié. 9/10

11:10 pm-9:45 pm

2 stops36h 35m

San Francisco

mié. 9/17

7:15 pm-9:35 pm

2 stops36h 20m

$821

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

jue. 9/4

11:35 pm-10:30 am

1 stop24h 55m

San Francisco

jue. 9/11

1:20 am-1:00 pm

2 stops21h 40m

$891

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

mar. 9/9

11:35 pm-10:30 am

1 stop24h 55m

San Francisco

mar. 9/16

9:30 pm-10:15 pm

2 stops34h 45m

$892

HanoiSan Francisco

HAN - SFO

HANSFO

Hanoi Noibai

dom. 8/10

6:00 pm-7:20 am

1 stop27h 20m

San Francisco

sáb. 8/16

1:25 am-11:05 am

1 stop19h 40m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 25 results
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2
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Best time to book a flight from Hanoi to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Hanoi with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hanoi to San Francisco

What is the cheapest month to book a flight from Hanoi to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Hanoi to San Francisco (average of $276). Flying from Hanoi to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HAN to SFO?

Find hourly flight availability from Hanoi to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

It’s typically best to fly out from Hanoi to San Francisco in the evening. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated julio 29, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean Air from Hanoi to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
8.4
Very good

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Crew

9.3

Boarding

9.0

Overall

9.0

Entertainment

9.0

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Hanoi to San Francisco round-trip?

    Our cheapest airline available from Hanoi to San Francisco is Philippine Airlines. Our recent data shows that you can find tickets from as low as $644 on this airline. Additional options worth looking into are STARLUX Airlines and Korean Air, starting at $771 and $774 round-trip. You may be able to fly from Hanoi to San Francisco for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Hanoi to San Francisco one-way?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as $421. Users have also found prices from $432 and $476 on Philippine Airlines and China Airlines, respectively.

  • Can I find deals for flights from Hanoi to San Francisco that include hotel bookings?

    Yes. In addition to deals on Hanoi to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hanoi to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to San Francisco.

  • Can I find deals for business class flights from Hanoi to San Francisco?

    Yes. Cheapflights offers flight deals from Hanoi to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hanoi to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Hanoi to San Francisco (average of $276). Flying from Hanoi to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Hanoi to San Francisco

Discover the top 3 airlines that operate flights from Hanoi to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$528Average$850FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$804Average$926FlexibilityNo cancel feeOn-time74%
China AirlinesCheapest$836Average$896FlexibilityNo cancel feeOn-time70%

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