Hanoi

$299+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
Apr 9 — Apr 161
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Cheap 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 March 10, 2026.

This Asiana Airlines deal was found by Cheapflights users on 3/7. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:50 pm
SFO
-
HAN
1 stop32h 10m
Asiana Airlines
Mon 5/41:25 pm
HAN
-
SFO
1 stop15h 55m
Asiana Airlines
Deal found 3/7$686
This KAYAK deal was found by Cheapflights users on 3/8. 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.
Thu 11/1212:19 pm
SFO
-
HAN
2 stops43h 46m
ANA
Wed 11/1812:25 am
HAN
-
SFO
1 stop23h 50m
ANA
Deal found 3/8$692
This KAYAK deal was found by Cheapflights users on 3/6. 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.
Thu 11/1212:19 pm
SFO
-
HAN
2 stops43h 46m
ANA
Sun 11/2212:25 am
HAN
-
SFO
1 stop23h 50m
ANA
Deal found 3/6$693
This BusinessClass deal was found by Cheapflights users on 3/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:50 pm
SFO
-
HAN
1 stop22h 25m
Asiana Airlines
Tue 5/511:30 pm
HAN
-
SFO
1 stop29h 50m
Asiana Airlines
Deal found 3/7$694
This Korean Air deal was found by Cheapflights users on 3/8. 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.
Thu 11/1211:40 am
SFO
-
HAN
1 stop19h 05m
Korean Air
Sat 11/2112:20 pm
HAN
-
SFO
1 stop36h 10m
Korean Air
Deal found 3/8$696
This KAYAK deal was found by Cheapflights users on 3/6. 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.
Sun 11/1512:20 am
SFO
-
HAN
1 stop31h 45m
ANA
Wed 11/1812:25 am
HAN
-
SFO
2 stops33h 31m
ANA
Deal found 3/6$698
This Ovago deal was found by Cheapflights users on 3/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:35 am
SFO
-
HAN
2 stops32h 25m
China Southern
Mon 5/1111:05 am
HAN
-
SFO
2 stops23h 35m
China Southern
Deal found 3/5$700
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:50 pm
SFO
-
HAN
1 stop22h 25m
Asiana Airlines
Thu 5/141:25 pm
HAN
-
SFO
1 stop15h 55m
Asiana Airlines
Deal found 3/7$701
This oojo deal was found by Cheapflights users on 3/6. 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.
Sun 11/1511:50 pm
SFO
-
HAN
1 stop31h 35m
Asiana Airlines
Sat 11/211:30 pm
HAN
-
SFO
1 stop15h 30m
Asiana Airlines
Deal found 3/6$705
This Asiana Airlines deal was found by Cheapflights users on 3/5. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:50 pm
SFO
-
HAN
1 stop22h 25m
Asiana Airlines
Mon 11/21:30 pm
HAN
-
SFO
1 stop15h 30m
Asiana Airlines
Deal found 3/5$706

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(Asiana Airlines)

One-way from

$299
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$812
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. 11% potential increase in price ($121 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 10, 2026.
Use the filters below to find and compare flights from San Francisco to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 5/5

1:10 pm-9:35 pm

2 stops42h 25m

Hanoi Noibai

Fri 8/21

11:10 pm-11:00 am

1 stop25h 50m

$809
Quickest round-trip

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 4/27

12:40 pm-9:35 pm

1 stop18h 55m

Hanoi Noibai

Thu 5/7

12:05 pm-7:20 pm

2 stops21h 15m

$812

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/11

7:15 am-9:35 pm

2 stops24h 20m

Hanoi Noibai

Thu 5/21

12:05 pm-10:49 pm

2 stops24h 44m

$817

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/4

2:57 pm-9:35 pm

2 stops40h 38m

Hanoi Noibai

Sat 8/22

11:10 pm-10:01 am

2 stops48h 51m

$821

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 5/6

2:57 pm-10:50 am

2 stops53h 53m

Hanoi Noibai

Sun 8/23

12:05 pm-10:01 am

2 stops35h 56m

$821

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/3

7:00 am-10:15 pm

2 stops25h 15m

Hanoi Noibai

Mon 9/7

11:35 pm-8:17 pm

2 stops34h 42m

$838

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 4/6

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Mon 4/20

6:45 pm-3:21 pm

2 stops34h 36m

$864

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 5/27

7:05 am-10:35 pm

2 stops25h 30m

Hanoi Noibai

Mon 6/8

11:35 pm-10:40 am

1 stop25h 05m

$958

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 7/3

4:15 pm-10:35 am

2 stops28h 20m

Hanoi Noibai

Sun 7/12

11:10 pm-11:00 am

1 stop25h 50m

$1,158

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 4/10

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Tue 4/28

11:10 pm-7:20 pm

2 stops34h 10m

$1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Hanoi flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Hanoi, you should look to book at least 46 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, August is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $497). Flying from San Francisco to Hanoi in July is currently the most expensive (average of $871). 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.

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 March 10, 2026.
Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andChina Airlines from San Francisco to Hanoi by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.9

Crew

9.2

Food

8.7

Boarding

8.9

Entertainment

8.8

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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.
  • How long is the flight from San Francisco to Hanoi?

    Departing from San Francisco to Hanoi will take you 18h 55m. There are 7301 mi between San Francisco and Hanoi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Francisco to Hanoi round-trip?

    According to our current data, China Southern ($475), Singapore Airlines ($560), and Korean Air ($606) offers the cheapest pricing from San Francisco to Hanoi. China Southern is 47% 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 China Southern, which is currently one of the cheapest options available, starting at $226. Cathay Pacific flights start at $296 while deals on Philippine Airlines start at $310 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, Raohe Street Night Market, and Shilin Night Market more than anywhere else. Taipei 101, Raohe Street Night Market, and Shilin Night Market can be accessed by traveling approximately 21.0 mi, 21.6 mi, and 18.3 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $72 per day.

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

    Dongdaemun Market, Lotte World, and Bukchon Hanok Village are the most popular attractions in Seoul if you're in need of something to do during your layover. Those on a layover in Seoul interested in visiting Dongdaemun Market, Lotte World, or Bukchon Hanok Village can do so by traveling 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl. Travelers can rent a car at Incheon Intl for an average daily rate of $49 to make sightseeing during their layover a little easier.

  • 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, August is the cheapest month in which you can book a flight from San Francisco to Hanoi (average of $497). Flying from San Francisco to Hanoi in July is currently the most expensive (average of $871). 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

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

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$475Average$594FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$560Average$653FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$606Average$726FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$631Average$862FlexibilityNo cancel feeOn-time72%
Philippine AirlinesCheapest$634Average$710FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$635Average$724FlexibilityNo cancel feeOn-time76%
ANACheapest$645Average$773FlexibilityNo cancel feeOn-time80%
China EasternCheapest$661Average$776FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$711Average$1,445FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$712Average$791FlexibilityNo cancel feeOn-time70%

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