Hanoi

$449+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
May 12 — May 191
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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 May 7, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$733
(FlightHub)

One-way from

$449
(United)

Popular in

December

Cheapest in

March

Average price

$1,084
Provider with most accurate pricing for San Francisco-Hanoi Noibai flight deals.
Provider most trusted by Cheapflights users for San Francisco-Hanoi Noibai flights.
From San Francisco to Hanoi Noibai
One-way flight from San Francisco to Hanoi Noibai
Highest demand for flights based on searches. 6% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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 May 7, 2025.

This KAYAK deal was found by Cheapflights users on 5/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:00 pmSFO - HAN
2 stops31h 40mKorean Air
Mon 12/112:20 pmHAN - SFO
1 stop36h 10mKorean Air
Deal found 5/5$720
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:55 pmSFO - HAN
1 stop35h 35mPhilippine Airlines
Tue 5/132:30 amHAN - SFO
1 stop32h 20mPhilippine Airlines
Deal found 5/6$725
This StudentUniverse deal was found by Cheapflights users on 5/7. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:05 amSFO - HAN
1 stop19h 50mCathay Pacific
Wed 9/1010:30 amHAN - SFO
1 stop21h 20mCathay Pacific
Deal found 5/7$730
This CheapOair deal was found by Cheapflights users on 5/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:30 pmSFO - HAN
1 stop22h 45mAsiana Airlines
Wed 10/2911:30 pmHAN - SFO
1 stop29h 30mAsiana Airlines
Deal found 5/6$740
This Gotogate deal was found by Cheapflights users on 5/7. 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.
Mon 5/1912:00 pmSFO - HAN
1 stop36h 00mChina Eastern
Fri 6/65:15 pmHAN - SFO
2 stops29h 50mChina Eastern
Deal found 5/7$745
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 8/3112:40 pmSFO - HAN
1 stop19h 35mUnited Airlines
Sun 9/1411:35 pmHAN - SFO
2 stops33h 30mUnited Airlines
Deal found 5/7$750
This oojo deal was found by Cheapflights users on 5/6. 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.
Tue 9/2312:50 amSFO - HAN
1 stop26h 00mSTARLUX Airlines
Tue 9/3011:10 amHAN - SFO
1 stop23h 20mSTARLUX Airlines
Deal found 5/6$758
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 5/86:10 amSFO - HAN
2 stops25h 25mDelta
Mon 5/1211:10 pmHAN - SFO
2 stops38h 54mDelta
Deal found 5/6$780
This KAYAK deal was found by Cheapflights users on 5/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:25 amSFO - HAN
1 stop20h 50mANA
Mon 5/1211:35 pmHAN - SFO
1 stop25h 00mANA
Deal found 5/6$804
This oojo deal was found by Cheapflights users on 5/7. 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.
Thu 11/209:10 pmSFO - HAN
1 stop20h 55mVietnam Airlines
Thu 12/410:00 amHAN - SFO
1 stop22h 00mVietnam Airlines
Deal found 5/7$808
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Sun 5/111:05 amSFO - HAN
1 stop19h 30mChina Airlines
Tue 5/205:50 pmHAN - SFO
1 stop16h 05mChina Airlines
Deal found 5/6$815
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Sun 5/1112:50 amSFO - HAN
1 stop20h 15mEVA Air
Tue 5/206:00 pmHAN - SFO
1 stop26h 45mEVA Air
Deal found 5/6$843

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 May 7, 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

Mon 5/12

11:10 pm-6:05 pm

1 stop28h 55m

Hanoi Noibai

Sun 5/18

10:55 am-10:40 pm

1 stop25h 45m

$733

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/19

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Fri 6/6

3:00 pm-9:05 am

1 stop32h 05m

$739

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 5/11

11:30 pm-12:15 pm

1 stop22h 45m

Hanoi Noibai

Fri 5/16

1:25 pm-3:30 pm

1 stop16h 05m

$755

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/12

11:25 am-10:15 pm

1 stop20h 50m

Hanoi Noibai

Tue 5/20

11:35 pm-10:45 am

1 stop25h 10m

$767

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/12

12:40 pm-10:40 am

1 stop32h 00m

Hanoi Noibai

Mon 5/19

12:00 pm-10:40 am

1 stop36h 40m

$769

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/12

6:10 am-9:35 pm

2 stops25h 25m

Hanoi Noibai

Sun 5/18

11:10 pm-8:01 pm

2 stops34h 51m

$780

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 5/11

1:05 am-10:35 am

1 stop19h 30m

Hanoi Noibai

Tue 5/20

5:50 pm-7:55 pm

1 stop16h 05m

$815

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 5/11

12:50 am-11:05 am

1 stop20h 15m

Hanoi Noibai

Tue 5/20

6:00 pm-6:45 am

1 stop26h 45m

$843

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/12

3:30 pm-8:55 am

1 stop27h 25m

Hanoi Noibai

Fri 5/16

9:00 am-8:27 pm

2 stops49h 27m

$865

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 5/10

11:55 pm-12:45 am

1 stop34h 50m

Hanoi Noibai

Tue 5/13

2:30 am-8:50 pm

1 stop32h 20m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 31 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 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 May 2, 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 May 7, 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 May 7, 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.

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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.

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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.

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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.

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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.

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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.
8.3
Very good

Comfort

9.0

Food

8.9

Boarding

9.1

Crew

9.3

Entertainment

9.0

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, Cathay Pacific ($733), China Eastern ($752), and Asiana Airlines ($755) offers the cheapest pricing from San Francisco to Hanoi. Cathay Pacific is 25% 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 $457. Cathay Pacific flights start at $467 while deals on ANA start at $474 one-way.

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

  • 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 $68 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?

  • 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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Alternative routes for San Francisco to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.

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 May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$577Average$1,374FlexibilityNo cancel feeOn-time69%
China EasternCheapest$654Average$816FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$686Average$866FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$693Average$808FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$707Average$881FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$710Average$868FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$730Average$854FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$743Average$1,046FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$746Average$830FlexibilityNo cancel feeOn-time70%
ANACheapest$750Average$928FlexibilityNo cancel feeOn-time80%

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