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Hanoi

$337+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 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 September 15, 2025.

Round-trip from

$655
(CrystalTravel)

One-way from

$337
(CrystalTravel)

Popular in

December

Cheapest in

September

Average price

$781
From Fremont to Hanoi Noibai
Search Deals
One-way flight from Fremont to Hanoi Noibai
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Highest demand for flights based on searches. 11% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:30 pmSFO - HAN
1 stop22h 45mAsiana Airlines
Sun 9/281:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 9/15$655
This oojo deal was found by Cheapflights users on 9/14. 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 10/1311:55 pmSFO - HAN
1 stop34h 50mPhilippine Airlines
Tue 10/282:45 pmHAN - SFO
1 stop19h 45mPhilippine Airlines
Deal found 9/14$657
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Thu 11/2711:30 pmSFO - HAN
1 stop22h 40mAsiana Airlines
Thu 12/42:30 pmHAN - SFO
1 stop39h 30mAsiana Airlines
Deal found 9/13$659
This oojo deal was found by Cheapflights users on 9/13. 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 10/2812:40 pmSFO - HAN
1 stop32h 30mKorean Air
Tue 11/411:05 pmHAN - SFO
1 stop25h 25mKorean Air
Deal found 9/13$662
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Thu 11/2712:00 pmSFO - HAN
1 stop38h 45mChina Eastern
Wed 12/32:45 amHAN - SFO
1 stop21h 15mChina Eastern
Deal found 9/14$663
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Thu 9/1811:30 pmSFO - HAN
1 stop22h 45mAsiana Airlines
Thu 10/21:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 9/14$664
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Tue 10/711:55 pmSFO - HAN
1 stop35h 35mPhilippine Airlines
Wed 11/52:50 amHAN - SFO
1 stop31h 40mPhilippine Airlines
Deal found 9/14$665
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Sat 11/112:45 pmSFO - HAN
1 stop33h 10mAir China
Tue 12/231:20 pmHAN - SFO
1 stop34h 55mAir China
Deal found 9/13$666
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:00 pmSFO - HAN
1 stop22h 45mChina Eastern
Wed 11/196:45 pmHAN - SFO
1 stop29h 15mChina Eastern
Deal found 9/15$668
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Wed 9/1711:30 pmSFO - HAN
1 stop22h 45mAsiana Airlines
Mon 9/221:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 9/15$670
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:30 pmSFO - HAN
1 stop32h 30mAsiana Airlines
Mon 9/291:25 pmHAN - SFO
1 stop16h 05mAsiana Airlines
Deal found 9/15$672
This Gurufare deal was found by Cheapflights users on 9/14. 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.
Wed 9/1711:55 pmSFO - HAN
1 stop34h 50mPhilippine Airlines
Wed 10/11:45 amHAN - SFO
1 stop33h 05mPhilippine Airlines
Deal found 9/14$673

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 September 15, 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 10/28

12:40 pm-9:45 pm

1 stop19h 05m

Hanoi Noibai

Sun 11/2

12:20 pm-10:30 am

1 stop36h 10m

$699

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 9/18

5:55 am-9:35 pm

2 stops25h 40m

Hanoi Noibai

Thu 10/2

12:00 pm-11:50 pm

2 stops25h 50m

$703

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 9/24

11:30 pm-10:00 pm

1 stop32h 30m

Hanoi Noibai

Wed 10/1

11:30 pm-3:30 pm

1 stop30h 00m

$705

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 9/22

5:35 am-9:35 pm

2 stops26h 00m

Hanoi Noibai

Sun 10/5

11:10 pm-7:30 pm

2 stops34h 20m

$710

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Wed 11/5

3:30 pm-9:45 pm

2 stops39h 15m

Hanoi Noibai

Wed 11/12

11:05 pm-9:30 am

1 stop25h 25m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 11/9

7:37 pm-11:10 am

2 stops48h 33m

Hanoi Noibai

Sun 11/23

11:05 pm-10:25 pm

2 stops38h 20m

$716

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 11/9

11:40 am-11:10 am

1 stop32h 30m

Hanoi Noibai

Sun 11/23

11:05 pm-9:30 am

1 stop25h 25m

$719

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Thu 11/27

12:30 pm-11:10 am

2 stops31h 40m

Hanoi Noibai

Thu 12/4

11:05 pm-9:30 am

1 stop25h 25m

$725

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Mon 10/27

3:30 pm-9:45 pm

2 stops40h 15m

Hanoi Noibai

Thu 11/6

11:05 pm-9:30 am

1 stop25h 25m

$725

San FranciscoHanoi

SFO - HAN

SFOHAN

San Francisco

Sun 9/28

11:30 pm-12:15 pm

1 stop22h 45m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
1
2

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 September 12, 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 $864). Flying from Fremont to Hanoi in December is currently the most expensive (average of $1,600). 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 September 15, 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.

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 September 15, 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
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
767 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
479 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
993 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Eastern
7.2
Good
165 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 19h 05m. 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.

  • 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 $864). Flying from Fremont to Hanoi in December is currently the most expensive (average of $1,600). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$555Average$755FlexibilityNo cancel feeOn-time81%
China SouthernCheapest$567Average$1,350FlexibilityNo cancel feeOn-time69%
China EasternCheapest$654Average$783FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$655Average$710FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$666Average$772FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$684Average$865FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$686Average$767FlexibilityNo cancel feeOn-time81%
ANACheapest$728Average$860FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$730Average$789FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$731Average$1,089FlexibilityNo cancel feeOn-time69%

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