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

Currently, August is the cheapest month in which you can book a flight from Hanoi to San Diego (average of $286). Flying from Hanoi to San Diego in March is currently the most expensive (average of $366). 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 day to fly from Hanoi to San Diego?

Travelers seeking maximum savings on their Hanoi to San Diego flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest time of day to fly from HAN to SAN?

When flying from Hanoi to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Hanoi to San Diego that include hotel bookings?

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

How can I find direct flights from Hanoi to San Diego?

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

Can I find deals for business class flights from Hanoi to San Diego?

Yes. Cheapflights offers flight deals from Hanoi to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$519+ Flights from Hanoi to San Diego

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Cheap flight deals from Hanoi to San Diego

Round-trip from	$933 (United Airlines)
One-way from	$519 (Kiwi.com)

From Hanoi Noibai to San Diego

Search Deals

One-way flight from Hanoi Noibai to San Diego

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Find flight deals from Hanoi to San Diego

Cheapest flights from Hanoi to San Diego
Explore the most affordable flight options available from Hanoi to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 10/1011:35 pmHAN - SAN

2 stops34h 11mUnited Airlines

Tue 10/148:00 amSAN - HAN

2 stops24h 15mUnited Airlines

Deal found 7/2

$933

Fri 8/156:00 pmHAN - SAN

2 stops29h 02mEVA Air

Fri 8/227:59 pmSAN - HAN

2 stops30h 51mEVA Air

Deal found 6/30

$1,023

Thu 8/1412:25 amHAN - SAN

2 stops31h 55mMultiple Airlines

Fri 8/222:21 pmSAN - HAN

2 stops39h 44mMultiple Airlines

Deal found 6/30

$1,139

Fri 10/1011:20 pmHAN - SAN

1 stop25h 50mJapan Airlines

Tue 10/147:15 amSAN - HAN

2 stops24h 35mJapan Airlines

Deal found 7/1

$1,313

Thu 10/912:25 amHAN - SAN

2 stops29h 34mANA

Tue 10/146:15 amSAN - HAN

2 stops26h 00mANA

Deal found 7/2

$1,508

Best flights from Hanoi to San Diego
Discover carefully curated flight deals from Hanoi to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 10/1011:35 pmHAN - SAN

2 stops34h 11mUnited Airlines

Tue 10/148:00 amSAN - HAN

2 stops24h 15mUnited Airlines

Deal found 7/2

$933

Fri 8/156:00 pmHAN - SAN

2 stops29h 02mEVA Air

Fri 8/227:59 pmSAN - HAN

2 stops30h 51mEVA Air

Deal found 6/30

$1,023

Thu 8/1412:25 amHAN - SAN

2 stops31h 55mMultiple Airlines

Fri 8/222:21 pmSAN - HAN

2 stops39h 44mMultiple Airlines

Deal found 6/30

$1,139

Fri 10/1011:20 pmHAN - SAN

1 stop25h 50mJapan Airlines

Tue 10/147:15 amSAN - HAN

2 stops24h 35mJapan Airlines

Deal found 7/1

$1,313

Thu 10/912:25 amHAN - SAN

2 stops29h 34mANA

Tue 10/146:15 amSAN - HAN

2 stops26h 00mANA

Deal found 7/2

$1,508

Last-minute flights from Hanoi to San Diego
Discover last-minute flight deals from Hanoi to San Diego. Data last updated July 3, 2025 and is based on user searches.

Thu 8/1412:25 amHAN - SAN

2 stops31h 55mMultiple Airlines

Fri 8/222:21 pmSAN - HAN

2 stops39h 44mMultiple Airlines

Deal found 6/30

$1,139

Fri 8/156:00 pmHAN - SAN

2 stops29h 02mEVA Air

Fri 8/227:59 pmSAN - HAN

2 stops30h 51mEVA Air

Deal found 6/30

$1,023

Fri 8/1511:20 pmHAN - SAN

2 stops31h 35mJapan Airlines

Fri 8/221:35 pmSAN - HAN

1 stop18h 15mJapan Airlines

Deal found 6/30

$1,382

One-way flights from Hanoi to San Diego
Search for one-way flight options from Hanoi to San Diego. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 8/212:25 pmHAN - SAN

3 stops59h 52mMultiple Airlines

Deal found 7/3

$519

Thu 8/2111:20 pmHAN - SAN

1 stop26h 15mJapan Airlines

Deal found 7/3

$1,725

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hanoi to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Fri 10/10

11:35 pm-7:46 pm

2 stops34h 11m

San Diego

Tue 10/14

8:00 am-10:15 pm

2 stops24h 15m

$933

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Fri 8/15

6:00 pm-9:02 am

2 stops29h 02m

San Diego

Fri 8/22

7:59 pm-4:50 pm

2 stops30h 51m

$1,023

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 8/14

12:25 am-6:20 pm

2 stops31h 55m

San Diego

Fri 8/22

2:21 pm-8:05 pm

2 stops39h 44m

$1,139

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Fri 10/10

11:20 pm-11:10 am

1 stop25h 50m

San Diego

Tue 10/14

7:15 am-9:50 pm

2 stops24h 35m

$1,313

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 10/9

12:25 am-3:59 pm

2 stops29h 34m

San Diego

Tue 10/14

6:15 am-10:15 pm

2 stops26h 00m

$1,508

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 8/21

2:25 pm-12:17 pm

3 stops59h 52m

$519

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 8/21

11:20 pm-11:35 am

1 stop26h 15m

$1,725

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Hanoi to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Hanoi 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.

Reviews of airlines servicing San Diego

See what other customers who have flown with EVA Air, ANA, and Japan Airlines from Hanoi to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,215 reviews

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

1,215 reviews

EVA Air

8.4

Very good

1,215 reviews

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

ANA

8.4

Very good

893 reviews

EVA Air

8.4

Very good

1,215 reviews

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

Japan Airlines

8.3

Very good

1,505 reviews

EVA Air

8.4

Very good

1,215 reviews

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

United Airlines

7.4

Good

8,861 reviews

EVA Air

8.4

Very good

1,215 reviews

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

Can I find deals for flights from Hanoi to San Diego that include hotel bookings?
Yes. In addition to deals on Hanoi to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hanoi to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to San Diego.
Can I find deals for business class flights from Hanoi to San Diego?
Yes. Cheapflights offers flight deals from Hanoi to San Diego 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 Hanoi to San Diego?
Currently, August is the cheapest month in which you can book a flight from Hanoi to San Diego (average of $286). Flying from Hanoi to San Diego in March is currently the most expensive (average of $366). 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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$519+ Cheap flights from Hanoi (HAN) to San Diego (SAN)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hanoi to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Hanoi to San Diego

Round-trip from

One-way from

Find flight deals from Hanoi to San Diego

Cheapest flights from Hanoi to San DiegoExplore the most affordable flight options available from Hanoi to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Hanoi to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hanoi to San Diego that are best for you.

Best time to book a flight from Hanoi to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Hanoi with our price prediction graph.

Reviews of airlines servicing San Diego

See what other customers who have flown with EVA Air, ANA, and Japan Airlines from Hanoi to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

Can I find deals for flights from Hanoi to San Diego that include hotel bookings?

How can I find direct flights from Hanoi to San Diego?

Can I find deals for business class flights from Hanoi to San Diego?

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

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Cheapest flights from Hanoi to San Diego
Explore the most affordable flight options available from Hanoi to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.