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$734+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — SAN
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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Cheap 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 June 24, 2026.

This United Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 9/2411:35 pm
HAN
-
SAN
2 stops34h 33m
United Airlines
Sun 9/275:00 pm
SAN
-
HAN
2 stops39h 15m
United Airlines
Deal found 6/22$1,042
This United Airlines deal was found by Cheapflights users on 6/20. 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 11/312:25 am
HAN
-
SAN
2 stops37h 02m
United Airlines
Sun 11/86:15 am
SAN
-
HAN
2 stops25h 50m
United Airlines
Deal found 6/20$1,106
This Expedia deal was found by Cheapflights users on 6/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 pm
HAN
-
SAN
2 stops29h 10m
Multiple Airlines
Thu 8/139:27 pm
SAN
-
HAN
2 stops23h 38m
Multiple Airlines
Deal found 6/21$1,294
This oojo deal was found by Cheapflights users on 6/21. 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 8/911:20 pm
HAN
-
SAN
1 stop26h 15m
Japan Airlines
Thu 8/131:35 pm
SAN
-
HAN
1 stop18h 15m
Japan Airlines
Deal found 6/21$1,353
This Japan Airlines deal was found by Cheapflights users on 6/20. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:55 pm
HAN
-
SAN
1 stop24h 50m
Japan Airlines
Sun 11/87:07 am
SAN
-
HAN
2 stops24h 23m
Japan Airlines
Deal found 6/20$1,642

Find flight deals from Hanoi to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,042
(United Airlines)

One-way from

$734
(Kiwi.com)
Provider with most accurate pricing for Hanoi Noibai-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hanoi Noibai-San Diego flights.
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From Hanoi Noibai to San Diego
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One-way flight from Hanoi Noibai to San Diego
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hanoi to San Diego 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 June 24, 2026.
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

Cheapest round-trip

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 9/24

11:35 pm-8:08 pm

2 stops34h 33m

San Diego

Sun 9/27

5:00 pm-10:15 pm

2 stops39h 15m

$1,042
Quickest round-trip

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Sun 8/9

11:20 pm-11:35 am

1 stop26h 15m

San Diego

Thu 8/13

1:35 pm-9:50 pm

1 stop18h 15m

$1,353

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Sun 8/9

6:00 am-11:53 am

3 stops43h 53m

San Diego

Thu 8/13

3:30 pm-1:15 pm

3 stops31h 45m

$1,540

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Wed 11/4

11:55 pm-9:45 am

1 stop24h 50m

San Diego

Sun 11/8

7:07 am-10:30 pm

2 stops24h 23m

$1,642

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 9/24

11:20 pm-11:35 am

1 stop26h 15m

San Diego

Sun 9/27

9:05 am-9:50 pm

2 stops22h 45m

$1,857

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 9/24

11:20 pm-11:45 am

2 stops50h 25m

San Diego

Mon 10/26

12:40 pm-10:30 pm

1 stop19h 50m

$3,337

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Mon 9/28

11:35 pm-8:08 pm

2 stops34h 33m

San Diego

Wed 10/21

6:15 am-10:15 pm

2 stops26h 00m

$3,461
Cheapest one-way

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Fri 8/7

1:50 am-6:05 pm

3 stops54h 15m

$734
Quickest one-way

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Sat 8/8

11:20 pm-11:35 am

1 stop26h 15m

$1,660

HanoiSan Diego

HAN - SAN

HANSAN

Hanoi Noibai

Thu 8/6

5:50 pm-8:15 am

2 stops28h 25m

$2,425

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Hanoi-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hanoi-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hanoi-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hanoi-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hanoi-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

  • How long is the flight from Hanoi to San Diego?

    A quick flight from Hanoi to San Diego can take about 26h 15m. United Airlines provides one of the quickest options available for as low as $1,353. The distance from Hanoi to San Diego is about 7746 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 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove

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