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$407+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Hanoi Noibai are usually found in March or February, booked 67 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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$752
(FlightHub)

One-way from

$407
(United)

Popular in

June

Cheapest in

March

Average price

$878
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. 22% potential increase in price ($298 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/1. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:05 amSFO - HAN
1 stop18h 50mCathay Pacific
Sun 9/1410:55 amHAN - SFO
1 stop26h 00mCathay Pacific
Deal found 4/1$739
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:30 amSFO - HAN
1 stop40h 05mSingapore Airlines
Sat 9/1312:40 pmHAN - SFO
1 stop35h 00mSingapore Airlines
Deal found 4/1$744
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Sun 4/201:05 amSFO - HAN
1 stop19h 30mChina Airlines
Mon 5/511:35 amHAN - SFO
1 stop22h 20mChina Airlines
Deal found 4/1$752
This United Airlines deal was found by Cheapflights users on 4/1. 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 9/19:35 pmSFO - HAN
2 stops34h 40mUnited Airlines
Sun 9/1411:35 pmHAN - SFO
1 stop24h 55mUnited Airlines
Deal found 4/1$771
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:15 pmSFO - HAN
2 stops27h 55mKorean Air
Mon 1/1911:00 pmHAN - SFO
1 stop25h 30mKorean Air
Deal found 4/1$774
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:05 amSFO - HAN
2 stops25h 30mDelta
Sun 9/1411:10 pmHAN - SFO
2 stops36h 48mDelta
Deal found 4/1$780
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:30 pmSFO - HAN
2 stops42h 45mMultiple Airlines
Tue 10/1411:35 pmHAN - SFO
1 stop24h 55mMultiple Airlines
Deal found 4/1$795
This oojo deal was found by Cheapflights users on 4/1. 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 8/3111:55 pmSFO - HAN
1 stop35h 35mPhilippine Airlines
Sat 9/132:30 amHAN - SFO
1 stop32h 20mPhilippine Airlines
Deal found 4/1$803
This CrystalTravel deal was found by Cheapflights users on 4/1. 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.
Thu 5/112:50 amSFO - HAN
1 stop26h 00mSTARLUX Airlines
Fri 5/1611:10 amHAN - SFO
1 stop23h 20mSTARLUX Airlines
Deal found 4/1$822
This oojo deal was found by Cheapflights users on 4/1. 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 4/2412:00 pmSFO - HAN
1 stop23h 20mChina Eastern
Wed 5/72:20 amHAN - SFO
1 stop20h 45mChina Eastern
Deal found 4/1$834
This Vietnam Airlines deal was found by Cheapflights users on 4/1. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:50 pmSFO - HAN
1 stop20h 15mVietnam Airlines
Thu 9/118:00 amHAN - SFO
1 stop24h 40mVietnam Airlines
Deal found 4/1$840
This oojo deal was found by Cheapflights users on 4/1. 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.
Mon 4/2112:30 pmSFO - HAN
1 stop38h 20mEVA Air
Mon 5/56:00 pmHAN - SFO
1 stop26h 45mEVA Air
Deal found 4/1$857

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 April 2, 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

Sun 4/20

1:05 am-10:35 am

1 stop19h 30m

Hanoi Noibai

Mon 5/5

11:35 am-7:55 pm

1 stop22h 20m

$752

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 5/7

12:55 pm-9:55 am

1 stop31h 00m

Hanoi Noibai

Sun 5/25

7:05 pm-10:40 pm

1 stop17h 35m

$760

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 5/7

2:10 pm-10:15 pm

2 stops42h 05m

Hanoi Noibai

Sun 5/25

11:35 pm-4:35 pm

1 stop31h 00m

$800

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 4/28

1:45 am-3:35 pm

2 stops23h 50m

Hanoi Noibai

Wed 5/7

11:35 pm-10:35 am

1 stop25h 00m

$801

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/24

11:30 pm-10:00 pm

1 stop32h 30m

Hanoi Noibai

Thu 5/8

11:30 pm-3:30 pm

1 stop30h 00m

$805

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 5/1

12:50 am-4:50 pm

1 stop26h 00m

Hanoi Noibai

Fri 5/16

11:10 am-8:30 pm

1 stop23h 20m

$822

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 4/24

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Wed 5/7

2:20 am-9:05 am

1 stop20h 45m

$834

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 4/21

12:30 pm-4:50 pm

1 stop38h 20m

Hanoi Noibai

Mon 5/5

6:00 pm-6:45 am

1 stop26h 45m

$857

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 5/16

11:25 am-10:15 pm

1 stop20h 50m

Hanoi Noibai

Tue 5/27

11:35 pm-4:35 pm

1 stop31h 00m

$868

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 5/2

1:45 pm-10:40 am

2 stops54h 55m

Hanoi Noibai

Fri 5/16

12:00 pm-10:07 am

2 stops36h 07m

$998

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 33 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 March 28, 2025.

The best time to book flights from Fremont to Hanoi is 67 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 $975). Flying from Fremont 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.

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 April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fremont to Hanoi as you normally would.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

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 April 2, 2025.
To help decide which airline to fly from Fremont to Hanoi, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. 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
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,170 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,052 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
830 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 15 different airlines.

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

    $427 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Asiana Airlines and United Airlines, with prices starting from $428 and $431, 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 $975). Flying from Fremont 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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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$577Average$1,374FlexibilityNo cancel feeOn-time69%
China EasternCheapest$654Average$821FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$693Average$804FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$694Average$917FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$707Average$892FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$710Average$868FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$730Average$854FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$746Average$764FlexibilityNo cancel feeOn-time71%
ANACheapest$750Average$1,012FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$756Average$845FlexibilityNo cancel feeOn-time70%

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