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$435+ Cheap flights from San Francisco (SFO) to Hanoi (HAN)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Hanoi Noibai are usually found in March or February, booked 38 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from San Francisco to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Hanoi (HAN). 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$762
(KAYAK)

One-way from

$435
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$837
Provider with most accurate pricing for San Francisco-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Hanoi Noibai flights.
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From San Francisco to Hanoi Noibai
Search Deals
One-way flight from San Francisco to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Francisco to Hanoi

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

This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2410:45 pmSFO - HAN
2 stops33h 20mUnited Airlines
vie. 12/512:25 amHAN - SFO
1 stop23h 50mUnited Airlines
Deal found 4/27$760
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2212:00 pmSFO - HAN
1 stop33h 30mChina Eastern
mié. 12/32:45 amHAN - SFO
1 stop21h 15mChina Eastern
Deal found 4/27$761
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:40 amSFO - HAN
1 stop32h 30mKorean Air
jue. 11/1312:20 pmHAN - SFO
2 stops36h 40mKorean Air
Deal found 4/27$765
This CrystalTravel deal was found by Cheapflights users on 4/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/212:55 pmSFO - HAN
1 stop31h 00mCathay Pacific
vie. 5/1610:55 amHAN - SFO
1 stop25h 45mCathay Pacific
Deal found 4/27$768
This ANA deal was found by Cheapflights users on 4/27. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/19:00 amSFO - HAN
2 stops23h 15mMultiple Airlines
mié. 5/1411:35 pmHAN - SFO
2 stops29h 20mMultiple Airlines
Deal found 4/27$775
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/41:05 amSFO - HAN
1 stop19h 30mChina Airlines
vie. 9/1911:35 amHAN - SFO
1 stop22h 20mChina Airlines
Deal found 4/28$778
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:05 amSFO - HAN
2 stops24h 35mDelta
lun. 11/1011:00 pmHAN - SFO
2 stops39h 53mDelta
Deal found 4/27$780
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/411:55 pmSFO - HAN
1 stop35h 35mPhilippine Airlines
sáb. 5/102:30 amHAN - SFO
1 stop32h 20mPhilippine Airlines
Deal found 4/27$798
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/811:25 amSFO - HAN
1 stop20h 50mANA
jue. 5/2211:35 pmHAN - SFO
1 stop25h 00mANA
Deal found 4/28$804
This CrystalTravel deal was found by Cheapflights users on 4/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/112:50 amSFO - HAN
1 stop26h 00mSTARLUX Airlines
vie. 5/1611:10 amHAN - SFO
1 stop23h 20mSTARLUX Airlines
Deal found 4/27$806
This Asiana Airlines deal was found by Cheapflights users on 4/28. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/1111:30 pmSFO - HAN
1 stop32h 30mAsiana Airlines
sáb. 6/71:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 4/28$848
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1610:50 pmSFO - HAN
2 stops22h 20mVietnam Airlines
mié. 10/292:00 pmHAN - SFO
1 stop18h 00mVietnam Airlines
Deal found 4/28$853

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

Fly from

San Francisco

Fly to

Hanoi

Route

Depart

Return

Price

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

lun. 5/12

12:00 pm-2:00 pm

1 stop36h 00m

Hanoi Noibai

vie. 6/6

2:20 am-9:05 am

1 stop20h 45m

$762

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

mar. 5/6

11:25 am-10:15 pm

1 stop20h 50m

Hanoi Noibai

sáb. 6/7

11:35 pm-10:35 am

1 stop25h 00m

$767

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

vie. 5/2

12:55 pm-9:55 am

1 stop31h 00m

Hanoi Noibai

vie. 5/16

10:55 am-10:40 pm

1 stop25h 45m

$768

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

jue. 5/1

9:00 am-10:15 pm

2 stops23h 15m

Hanoi Noibai

mié. 5/14

11:35 pm-2:55 pm

2 stops29h 20m

$775

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

mar. 5/27

11:30 pm-12:15 pm

1 stop22h 45m

Hanoi Noibai

mar. 6/3

1:25 pm-3:30 pm

1 stop16h 05m

$776

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

mié. 5/7

1:05 am-4:50 pm

1 stop25h 45m

Hanoi Noibai

jue. 5/22

5:50 pm-7:55 pm

1 stop16h 05m

$786

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

jue. 5/1

11:55 pm-1:30 am

1 stop35h 35m

Hanoi Noibai

mar. 5/13

2:30 am-8:50 pm

1 stop32h 20m

$794

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

jue. 5/8

11:25 am-10:15 pm

1 stop20h 50m

Hanoi Noibai

jue. 5/22

11:35 pm-10:35 am

1 stop25h 00m

$804

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

jue. 5/1

12:50 am-4:50 pm

1 stop26h 00m

Hanoi Noibai

vie. 5/16

11:10 am-8:30 pm

1 stop23h 20m

$806

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

vie. 5/2

1:40 pm-10:40 am

2 stops55h 00m

Hanoi Noibai

vie. 5/16

11:10 pm-7:53 am

2 stops46h 43m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 36 results
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Compare providers for flights from San Francisco to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Hanoi in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Hanoi flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Hanoi flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Hanoi flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from San Francisco 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 San Francisco to Hanoi

How far ahead should I book a flight from San Francisco to Hanoi?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Hanoi. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Hanoi, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $975). Flying from San Francisco to Hanoi in December is currently the most expensive (average of $1,618). 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 SFO to HAN?

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

It’s optimal to fly from San Francisco to Hanoi in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated abril 29, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from San Francisco to Hanoi. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,184 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,064 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
729 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Crew

9.3

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Hanoi. 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 San Francisco to Hanoi round-trip?

    According to our current data, China Eastern ($762), United Airlines ($767), and Cathay Pacific ($768) offers the cheapest pricing from San Francisco to Hanoi. China Eastern is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $435. Cathay Pacific flights start at $438 while deals on Korean Air start at $443 one-way.

  • Where are the most common layover locations when flying from San Francisco to Hanoi?

    Of the flights from San Francisco to Hanoi that have layovers, most of them stop in Taipei City. Hong Kong sees the next most layovers on San Francisco to Hanoi flights.

  • What are some popular things to do or see while on a layover in Taipei City?

    Taipei City travelers tend to visit Taipei 101, Shilin Night Market, and Raohe Street Night Market more than anywhere else. Taipei 101, Shilin Night Market, and Raohe Street Night Market can be accessed by traveling approximately 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $69 per day.

  • What are some popular points of interest to see during a layover in Hong Kong?

    Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park are the most popular attractions in Hong Kong if you're in need of something to do during your layover. Those on a layover in Hong Kong interested in visiting Hong Kong Disneyland, Shatin Baptist Church, or Ocean Park can do so by traveling 7.8 mi, 18.3 mi, and 16.9 mi, respectively from Hong Kong Intl.

  • Where are the least popular layover locations for San Francisco to Hanoi flights?

    San Francisco to Hanoi flights have a layover in Seoul least often. Tokyo sees the second fewest layovers for non-direct flights flying from San Francisco to Hanoi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Hanoi 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 San Francisco to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $975). Flying from San Francisco to Hanoi in December is currently the most expensive (average of $1,618). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from San Francisco to Hanoi

Discover the top 10 airlines that operate flights from San Francisco to Hanoi. 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$577Average$1,374FlexibilityNo cancel feeOn-time69%
China EasternCheapest$654Average$821FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$686Average$864FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$693Average$810FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$707Average$890FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$710Average$864FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$730Average$854FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$743Average$1,046FlexibilityNo cancel feeOn-time81%
ANACheapest$750Average$928FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$751Average$1,186FlexibilityNo cancel feeOn-time69%

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