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$361+ Cheap flights from Fremont, CA 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Hanoi Noibai are usually found in September or March, booked 46 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Fremont to Hanoi

Cheapest flights from Fremont to Hanoi
Explore the most affordable flight options available from Fremont to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/2910:40 amSFO - HAN
1 stop21h 25mUnited Airlines
mié. 1/711:50 pmHAN - SFO
1 stop21h 40mUnited Airlines
Deal found 12/15$941
This KAYAK deal was found by Cheapflights users on 12/15. 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.
mar. 12/3011:35 pmSFO - HAN
1 stop24h 10mChina Southern
mié. 1/710:00 pmHAN - SFO
2 stops36h 40mChina Southern
Deal found 12/15$1,115
This KAYAK deal was found by Cheapflights users on 12/15. 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.
lun. 12/2911:35 pmSFO - HAN
2 stops24h 10mChina Southern
mié. 1/710:00 pmHAN - SFO
2 stops36h 40mChina Southern
Deal found 12/15$1,175
This KAYAK deal was found by Cheapflights users on 12/15. 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.
mar. 12/3011:35 pmSFO - HAN
1 stop28h 05mChina Southern
dom. 1/117:45 pmHAN - SFO
2 stops38h 55mChina Southern
Deal found 12/15$1,247
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mié. 12/3111:50 pmSFO - HAN
1 stop21h 20mMultiple Airlines
dom. 1/118:20 amHAN - SFO
2 stops49h 59mMultiple Airlines
Deal found 12/15$1,267
This KAYAK deal was found by Cheapflights users on 12/15. 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.
mar. 12/3011:35 pmSFO - HAN
1 stop28h 05mChina Southern
mar. 1/68:20 pmHAN - SFO
3 stops62h 20mChina Southern
Deal found 12/15$1,270
This KAYAK deal was found by Cheapflights users on 12/15. 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.
lun. 12/2911:35 pmSFO - HAN
3 stops52h 45mChina Southern
dom. 1/117:45 pmHAN - SFO
2 stops38h 55mChina Southern
Deal found 12/15$1,290
This KAYAK deal was found by Cheapflights users on 12/15. 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.
mar. 12/3011:35 pmSFO - HAN
1 stop20h 05mChina Southern
jue. 1/811:45 amHAN - SFO
2 stops22h 55mChina Southern
Deal found 12/15$1,328
This KAYAK deal was found by Cheapflights users on 12/15. 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.
lun. 12/2911:35 pmSFO - HAN
2 stops28h 05mChina Southern
mar. 1/68:20 pmHAN - SFO
3 stops62h 20mChina Southern
Deal found 12/15$1,330
This FlightHub deal was found by Cheapflights users on 12/15. 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.
mié. 12/3111:50 pmSFO - HAN
1 stop31h 35mAsiana Airlines
mié. 1/711:50 pmHAN - SFO
1 stop29h 10mAsiana Airlines
Deal found 12/15$1,340

Find flight deals from Fremont to Hanoi

Keep the following information in mind while searching for Fremont to Hanoi flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$711
(United Airlines)

One-way from

$361
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,554
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.
Search Deals
From Fremont to Hanoi Noibai
Search Deals
One-way flight from Fremont to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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 diciembre 16, 2025.
Use the filters below to find and compare flights from Fremont to Hanoi that are best for you.

Fly from

Fremont

Fly to

Hanoi

Route

Depart

Return

Price

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

sáb. 1/10

11:35 pm-6:40 pm

1 stop28h 05m

Hanoi Noibai

jue. 1/29

11:45 am-7:40 pm

2 stops22h 55m

$731

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

sáb. 4/18

1:00 pm-9:35 pm

2 stops42h 35m

Hanoi Noibai

vie. 4/24

11:10 pm-7:56 am

2 stops46h 46m

$761

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

mar. 2/17

11:50 pm-12:10 pm

1 stop21h 20m

Hanoi Noibai

jue. 2/19

11:50 pm-2:00 pm

1 stop29h 10m

$779

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

vie. 1/9

7:30 am-1:45 am

2 stops27h 15m

Hanoi Noibai

mié. 1/28

2:45 am-9:00 am

1 stop21h 15m

$795

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

dom. 2/8

11:50 pm-12:10 pm

1 stop21h 20m

Hanoi Noibai

jue. 3/5

1:30 pm-2:00 pm

1 stop15h 30m

$799

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

sáb. 2/14

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

mar. 3/3

11:50 pm-2:00 pm

1 stop29h 10m

$799

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

lun. 3/30

8:55 am-1:20 am

2 stops26h 25m

Hanoi Noibai

vie. 4/10

2:20 am-3:03 pm

2 stops26h 43m

$800

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

dom. 2/8

11:50 pm-12:10 pm

1 stop21h 20m

Hanoi Noibai

mié. 3/4

11:50 pm-2:00 pm

1 stop29h 10m

$829

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

vie. 2/13

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

mar. 3/3

11:50 pm-2:00 pm

1 stop29h 10m

$829

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

vie. 1/9

11:50 pm-12:10 pm

1 stop21h 20m

Hanoi Noibai

vie. 1/30

1:30 pm-2:00 pm

1 stop15h 30m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 24 results
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2
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Best time to book a flight from Fremont to Hanoi

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Hanoi. Price data was last updated on December 12, 2025.

The best time to book flights from Fremont to Hanoi is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Fremont to Hanoi (average of $627). Flying from Fremont to Hanoi in July is currently the most expensive (average of $906). 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 FR8 to HAN?

Find hourly flight availability from Fremont 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 diciembre 16, 2025.

One of the essential ways to save on airfare from Fremont to Hanoi is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.

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 diciembre 16, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and China Airlines from Fremont to Hanoi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
245 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
EVA Air
8.5
Very good
1,297 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.3
Very good
792 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Asiana Airlines
8.2
Very good
493 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Cathay Pacific
7.6
Good
1,095 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Entertainment

8.8

Boarding

8.9

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

Find useful and relevant information for your journey from Fremont to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hanoi from Fremont?

    If you book a flight to Hanoi from Fremont, you will be flying to Noibai, which is the city’s only airport. Hanoi Noibai (HAN) is located 14.2 mi from the center of Hanoi. There are 0 flights from Fremont to Noibai per day from 14 different airlines.

  • How long is the flight from Fremont to Hanoi?

    Departing from Fremont to Hanoi will take you 21h 20m. Airlines will cover a distance of 7301 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $227 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on Philippine Airlines and Singapore Airlines, with prices starting from $310 and $329, respectively.

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

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

  • How can I find direct flights from Fremont to Hanoi?

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

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

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Fremont to Hanoi (average of $627). Flying from Fremont to Hanoi in July is currently the most expensive (average of $906). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Fremont to Hanoi

Discover the top 10 airlines that operate flights from Fremont 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$471Average$900FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$555Average$755FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$634Average$705FlexibilityNo cancel feeOn-time60%
China EasternCheapest$654Average$712FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$657Average$729FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$672Average$880FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$686Average$743FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$709Average$809FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$711Average$1,445FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$719Average$816FlexibilityNo cancel feeOn-time70%

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