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$353+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Hanoi Noibai are usually found in September or October, booked 43 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Fremont to Hanoi

Keep the following information in mind while searching for Fremont to Hanoi flight deals. Data was last updated October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$675
(Gotogate)

One-way from

$353
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$777
Provider with most accurate pricing for San Francisco-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Hanoi Noibai flights.
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From Fremont to Hanoi Noibai
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One-way flight from Fremont to Hanoi Noibai
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Highest demand for flights based on searches. 11% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/28. 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 11/2411:35 pmSFO - HAN
2 stops44h 05mChina Southern
Sun 12/77:45 pmHAN - SFO
2 stops38h 55mChina Southern
Deal found 10/28$675
This Gotogate deal was found by Cheapflights users on 10/29. 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 11/1012:00 pmSFO - HAN
1 stop38h 45mChina Eastern
Wed 11/193:10 pmHAN - SFO
1 stop32h 50mChina Eastern
Deal found 10/29$676
This oojo deal was found by Cheapflights users on 10/27. 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 10/2811:40 pmSFO - HAN
1 stop26h 50mChina Airlines
Mon 11/311:35 amHAN - SFO
1 stop22h 10mChina Airlines
Deal found 10/27$683
This oojo deal was found by Cheapflights users on 10/28. 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 11/2711:50 pmSFO - HAN
1 stop31h 35mAsiana Airlines
Thu 12/41:30 pmHAN - SFO
1 stop15h 30mAsiana Airlines
Deal found 10/28$684
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/810:40 amSFO - HAN
1 stop21h 25mUnited Airlines
Sun 12/2112:25 amHAN - SFO
1 stop23h 50mUnited Airlines
Deal found 10/28$687
This CrystalTravel deal was found by Cheapflights users on 10/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:40 pmSFO - HAN
1 stop25h 50mChina Airlines
Tue 11/115:30 pmHAN - SFO
1 stop16h 15mChina Airlines
Deal found 10/28$694
This Korean Air deal was found by Cheapflights users on 10/27. 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.
Mon 12/111:40 amSFO - HAN
1 stop32h 30mKorean Air
Sun 12/2111:05 pmHAN - SFO
1 stop25h 25mKorean Air
Deal found 10/27$699
This Korean Air deal was found by Cheapflights users on 10/28. 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.
Mon 12/112:25 pmSFO - HAN
2 stops31h 45mKorean Air
Tue 12/1612:20 pmHAN - SFO
1 stop36h 10mKorean Air
Deal found 10/28$705

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 October 30, 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

Tue 11/18

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Tue 11/25

12:20 pm-9:30 am

1 stop36h 10m

$699

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 1/4

11:50 pm-10:25 pm

1 stop31h 35m

Hanoi Noibai

Wed 1/21

1:30 pm-2:00 pm

1 stop15h 30m

$699

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 12/2

3:35 pm-9:45 pm

2 stops39h 10m

Hanoi Noibai

Sun 12/21

12:20 pm-9:30 am

1 stop36h 10m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

3:35 pm-11:10 am

2 stops28h 35m

Hanoi Noibai

Sun 12/14

11:05 pm-9:30 am

1 stop25h 25m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

12:25 pm-11:10 am

2 stops31h 45m

Hanoi Noibai

Mon 12/15

11:05 pm-9:30 am

1 stop25h 25m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 12/3

5:45 am-11:10 am

2 stops38h 25m

Hanoi Noibai

Tue 12/16

12:20 pm-6:56 pm

2 stops21h 36m

$710

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Tue 1/6

11:40 am-9:45 pm

1 stop19h 05m

Hanoi Noibai

Wed 1/21

11:05 pm-10:04 am

2 stops49h 59m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/27

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Sun 12/7

11:05 pm-9:33 am

2 stops49h 28m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 11/30

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Wed 12/17

11:05 pm-9:30 am

1 stop25h 25m

$719

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 12/1

11:40 am-9:45 pm

1 stop19h 05m

Hanoi Noibai

Thu 12/18

11:05 pm-9:30 am

1 stop25h 25m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
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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 October 24, 2025.

The best time to book flights from Fremont to Hanoi is 43 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 October 30, 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 October 30, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines, and Asiana 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.
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,267 reviews
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
China Airlines
8.3
Very good
776 reviews
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Asiana Airlines
8.2
Very good
483 reviews
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Cathay Pacific
7.6
Good
1,044 reviews
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
China Eastern
7.2
Good
174 reviews
EVA Air
8.4
Very good
1,267 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 31h 35m. 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?

    $397 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on Delta and ANA, with prices starting from $400 and $413, 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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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$549Average$1,332FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$555Average$755FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$634Average$705FlexibilityNo cancel feeOn-time60%
China EasternCheapest$654Average$765FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$666Average$752FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$675Average$868FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$682Average$739FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$709Average$789FlexibilityNo cancel feeOn-time79%
ANACheapest$723Average$792FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$730Average$826FlexibilityNo cancel feeOn-time70%

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