Hanoi

$1,099+ Cheap flights from Santa Rosa (STS) to Hanoi (HAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — HAN
Aug 16 — Aug 231
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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 August 11, 2025.

Round-trip from

$1,099
(Japan Airlines)

Popular in

December

Cheapest in

March

Average price

$795
From Santa Rosa Sonoma County to Hanoi Noibai
Highest demand for flights based on searches. 11% potential increase in price ($127 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 11, 2025.

This Japan Airlines deal was found by Cheapflights users on 8/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:45 amSTS - HAN
2 stops23h 45mJapan Airlines
Sun 11/911:55 pmHAN - STS
2 stops37h 10mJapan Airlines
Deal found 8/10$1,099
This KAYAK deal was found by Cheapflights users on 8/11. 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 10/1312:41 pmSTS - HAN
2 stops32h 49mSingapore Airlines
Mon 10/276:30 pmHAN - STS
2 stops53h 40mSingapore Airlines
Deal found 8/11$1,189
This KAYAK deal was found by Cheapflights users on 8/11. 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 10/1312:41 pmSTS - HAN
2 stops32h 49mSingapore Airlines
Sat 10/2512:40 pmHAN - STS
2 stops35h 30mSingapore Airlines
Deal found 8/11$1,292
This Singapore Airlines deal was found by Cheapflights users on 8/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:45 amSTS - HAN
3 stops42h 35mSingapore Airlines
Sun 11/912:45 pmHAN - STS
2 stops26h 14mSingapore Airlines
Deal found 8/10$1,370
This KAYAK deal was found by Cheapflights users on 8/11. 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 10/1312:41 pmSTS - HAN
2 stops32h 49mSingapore Airlines
Sun 10/2612:45 pmHAN - STS
2 stops25h 14mSingapore Airlines
Deal found 8/11$1,371
This KAYAK deal was found by Cheapflights users on 8/11. 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.
Tue 10/1412:41 pmSTS - HAN
2 stops38h 54mSingapore Airlines
Mon 10/276:30 pmHAN - STS
2 stops53h 40mSingapore Airlines
Deal found 8/11$1,397
This KAYAK deal was found by Cheapflights users on 8/11. 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.
Tue 10/1412:41 pmSTS - HAN
2 stops38h 54mSingapore Airlines
Sat 10/2512:40 pmHAN - STS
2 stops35h 30mSingapore Airlines
Deal found 8/11$1,421

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 August 11, 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

7:45 am-10:30 pm

2 stops23h 45m

Hanoi Noibai

Sun 11/9

11:55 pm-10:05 pm

2 stops37h 10m

$1,099

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Mon 10/13

12:41 pm-11:30 am

2 stops32h 49m

Hanoi Noibai

Mon 10/27

6:30 pm-10:10 am

2 stops53h 40m

$1,189

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Mon 10/13

12:41 pm-11:30 am

2 stops32h 49m

Hanoi Noibai

Sat 10/25

12:40 pm-10:10 am

2 stops35h 30m

$1,292

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Wed 11/5

7:45 am-5:20 pm

3 stops42h 35m

Hanoi Noibai

Sun 11/9

12:45 pm-11:59 pm

2 stops26h 14m

$1,370

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Mon 10/13

12:41 pm-11:30 am

2 stops32h 49m

Hanoi Noibai

Sun 10/26

12:45 pm-11:59 pm

2 stops25h 14m

$1,371

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Wed 1/28

7:00 am-12:20 pm

2 stops38h 20m

Hanoi Noibai

Tue 2/17

7:10 pm-9:58 pm

2 stops41h 48m

$1,374

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 10/14

12:41 pm-5:35 pm

2 stops38h 54m

Hanoi Noibai

Mon 10/27

6:30 pm-10:10 am

2 stops53h 40m

$1,397

Santa RosaHanoi

STS - HAN

STSHAN

Santa Rosa Sonoma County

Tue 10/14

12:41 pm-5:35 pm

2 stops38h 54m

Hanoi Noibai

Sat 10/25

12:40 pm-10:10 am

2 stops35h 30m

$1,421

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

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 $913). Flying from Santa Rosa 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.

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 August 11, 2025.
Read through reviews of airlines operating flights from Santa Rosa to Hanoi, such as Japan Airlines, Singapore Airlines, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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.
  • 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 $913). Flying from Santa Rosa 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

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