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$435+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
May 4 — May 111
Sun 5/4
Sun 5/11
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 38 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 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$761
(Trip.com)

One-way from

$435
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$837
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. 6% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 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 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 9/238:45 amSFO - HAN
2 stops23h 30mUnited Airlines
Thu 10/211:35 pmHAN - SFO
1 stop24h 55mUnited Airlines
Deal found 4/28$760
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:55 pmSFO - HAN
1 stop34h 50mPhilippine Airlines
Sat 6/711:25 amHAN - SFO
1 stop23h 25mPhilippine Airlines
Deal found 4/29$761
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:00 pmSFO - HAN
1 stop23h 20mChina Eastern
Fri 6/62:20 amHAN - SFO
1 stop20h 45mChina Eastern
Deal found 4/29$762
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:40 amSFO - HAN
1 stop19h 00mKorean Air
Wed 11/1211:00 pmHAN - SFO
2 stops50h 00mKorean Air
Deal found 4/27$765
This oojo deal was found by Cheapflights users on 4/28. 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 9/41:05 amSFO - HAN
1 stop19h 30mChina Airlines
Fri 9/1911:35 amHAN - SFO
1 stop22h 20mChina Airlines
Deal found 4/28$778
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:45 amSFO - HAN
2 stops24h 55mDelta
Sun 11/911:00 pmHAN - SFO
2 stops35h 25mDelta
Deal found 4/27$780
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:25 amSFO - HAN
1 stop20h 50mANA
Thu 5/2211:35 pmHAN - SFO
1 stop25h 00mANA
Deal found 4/28$804
This oojo deal was found by Cheapflights users on 4/28. 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.
Fri 5/212:55 pmSFO - HAN
1 stop31h 00mCathay Pacific
Fri 5/169:35 amHAN - SFO
1 stop27h 05mCathay Pacific
Deal found 4/28$806
This ScholarTrip deal was found by Cheapflights users on 4/28. 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 ScholarTrip 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 4/28$840
This Asiana Airlines deal was found by Cheapflights users on 4/28. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:30 pmSFO - HAN
1 stop32h 30mAsiana Airlines
Sat 6/71:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 4/28$848
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:50 pmSFO - HAN
2 stops22h 20mVietnam Airlines
Wed 10/296:00 pmHAN - SFO
1 stop38h 00mVietnam Airlines
Deal found 4/29$853
This oojo deal was found by Cheapflights users on 4/27. 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.
Sun 10/126:55 pmSFO - HAN
2 stops31h 55mEVA Air
Mon 10/206:00 pmHAN - SFO
1 stop26h 50mEVA Air
Deal found 4/27$866

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 29, 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 9/23

8:45 am-10:15 pm

2 stops23h 30m

Hanoi Noibai

Thu 10/2

11:35 pm-10:30 am

1 stop24h 55m

$760

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Fri 5/9

11:55 pm-12:45 am

1 stop34h 50m

Hanoi Noibai

Sat 6/7

11:25 am-8:50 pm

1 stop23h 25m

$761

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 5/12

12:00 pm-1:20 am

1 stop23h 20m

Hanoi Noibai

Fri 6/6

2:20 am-9:05 am

1 stop20h 45m

$762

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 8/31

1:45 pm-9:35 pm

2 stops41h 50m

Hanoi Noibai

Sun 9/14

11:10 pm-7:56 am

2 stops46h 46m

$776

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/4

1:05 am-10:35 am

1 stop19h 30m

Hanoi Noibai

Fri 9/19

11:35 am-7:55 pm

1 stop22h 20m

$778

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 10/16

6:05 am-10:40 am

2 stops38h 35m

Hanoi Noibai

Wed 10/29

12:20 pm-7:25 pm

2 stops21h 05m

$780

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/25

11:10 pm-6:05 pm

1 stop28h 55m

Hanoi Noibai

Thu 10/2

9:35 am-5:30 pm

1 stop21h 55m

$786

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/25

10:50 pm-9:05 am

1 stop20h 15m

Hanoi Noibai

Tue 9/30

9:00 pm-6:40 pm

1 stop35h 40m

$800

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sat 10/18

11:30 pm-12:15 pm

1 stop22h 45m

Hanoi Noibai

Sat 11/1

2:30 pm-4:00 pm

1 stop39h 30m

$803

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 10/15

12:50 am-10:10 am

1 stop19h 20m

Hanoi Noibai

Sat 11/1

6:25 pm-7:50 pm

1 stop15h 25m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 32 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 April 25, 2025.

The best time to book flights from Fremont to Hanoi is 38 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 29, 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 29, 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
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

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

    $435 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Japan Airlines and Korean Air, with prices starting from $442 and $460, 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$577Average$1,374FlexibilityNo cancel feeOn-time69%
China EasternCheapest$654Average$821FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$686Average$864FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$693Average$810FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$707Average$883FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$710Average$867FlexibilityNo cancel feeOn-time72%
Japan AirlinesCheapest$730Average$854FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$743Average$1,046FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$749Average$833FlexibilityNo cancel feeOn-time70%
ANACheapest$750Average$928FlexibilityNo cancel feeOn-time80%

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