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$1,293+ Cheap flights from Santa Rosa (STS) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — HAN
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from Santa Rosa to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,372
(Alaska Airlines)

One-way from

$1,293
(IEagle)

Popular in

December

Cheapest in

September

Average price

$785
Provider with most accurate pricing for Santa Rosa Sonoma County-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Hanoi Noibai flights.
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From Santa Rosa Sonoma County to Hanoi Noibai
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One-way flight from Santa Rosa Sonoma County to Hanoi Noibai
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Highest demand for flights based on searches. 11% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Santa Rosa to Hanoi

Cheapest flights from Santa Rosa to Hanoi
Explore the most affordable flight options available from Santa Rosa to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amSTS - HAN
2 stops24h 30mAlaska Airlines
Sun 11/911:55 pmHAN - STS
2 stops37h 10mAlaska Airlines
Deal found 9/23$1,419
This Qatar Airways deal was found by Cheapflights users on 9/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amSTS - HAN
2 stops38h 20mQatar Airways
Sat 11/83:00 amHAN - STS
2 stops34h 05mQatar Airways
Deal found 9/23$1,552
This IEagle deal was found by Cheapflights users on 9/24. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amSTS - HAN
2 stops39h 40mMultiple Airlines
Tue 1/612:25 amHAN - STS
2 stops37h 10mMultiple Airlines
Deal found 9/24$2,650
This IEagle deal was found by Cheapflights users on 9/24. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:00 amSTS - HAN
2 stops38h 20mQatar Airways
Wed 1/77:10 pmHAN - STS
2 stops42h 25mQatar Airways
Deal found 9/24$2,966

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa 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 September 25, 2025.
Use the filters below to find and compare flights from Santa Rosa to Hanoi that are best for you.

Fly from

Santa Rosa

Fly to

Hanoi

Route

Depart

Return

Price

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Wed 11/5

7:00 am-10:30 pm

2 stops24h 30m

Hanoi Noibai

Sun 11/9

11:55 pm-10:05 pm

2 stops37h 10m

$1,419

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Wed 11/5

7:00 am-12:20 pm

2 stops38h 20m

Hanoi Noibai

Sat 11/8

3:00 am-10:05 pm

2 stops34h 05m

$1,552

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 12/23

6:00 am-12:40 pm

2 stops39h 40m

Hanoi Noibai

Tue 1/6

12:25 am-10:35 pm

2 stops37h 10m

$2,650

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 12/23

7:00 am-12:20 pm

2 stops38h 20m

Hanoi Noibai

Wed 1/7

7:10 pm-10:35 pm

2 stops42h 25m

$2,966

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Mon 12/15

7:55 pm-10:35 am

2 stops23h 40m

$1,293

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 12/16

2:21 pm-10:30 pm

2 stops41h 09m

$1,319

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Sun 12/14

2:21 pm-10:30 pm

2 stops41h 09m

$1,319

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 12/23

6:00 am-9:35 am

3 stops36h 35m

$11,179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Compare providers for flights from Santa Rosa 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 Santa Rosa to Hanoi in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust 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 Santa Rosa-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-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 Santa Rosa-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 Santa Rosa to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Santa Rosa 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 Santa Rosa to Hanoi

What is the cheapest month to book a flight from Santa Rosa to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Hanoi (average of $864). Flying from Santa Rosa to Hanoi in December is currently the most expensive (average of $1,594). 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.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa 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 Santa Rosa to Hanoi?

    A quick flight from Santa Rosa to Hanoi can take about 24h 30m. Alaska Airlines provides one of the quickest options available for as low as $1,419. There are 7242 mi between Santa Rosa and Hanoi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Santa Rosa to Hanoi that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to Hanoi?

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

  • Can I find deals for business class flights from Santa Rosa to Hanoi?

    Yes. Cheapflights offers flight deals from Santa Rosa 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 Santa Rosa to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Hanoi (average of $864). Flying from Santa Rosa to Hanoi in December is currently the most expensive (average of $1,594). 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

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