HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hong Kong

$329+ Cheap flights from San Diego (SAN) to Hong Kong

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HKG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Hong Kong with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Diego to Hong Kong are usually found in November or February, booked 38 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from San Diego to Hong Kong

Cheapest flights from San Diego to Hong Kong
Explore the most affordable flight options available from San Diego to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/297:40 amSAN - HKG
1 stop19h 40mUnited Airlines
Wed 1/2110:35 amHKG - SAN
1 stop18h 14mUnited Airlines
Deal found 12/11$964
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/297:40 amSAN - HKG
1 stop31h 05mUnited Airlines
Thu 1/222:20 pmHKG - SAN
2 stops20h 24mUnited Airlines
Deal found 12/11$965
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sun 12/2811:12 amSAN - HKG
2 stops40h 08mUnited Airlines
Mon 1/1910:35 amHKG - SAN
2 stops25h 19mUnited Airlines
Deal found 12/11$977
This Japan Airlines deal was found by Cheapflights users on 12/11. 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 12/2411:40 amSAN - HKG
1 stop19h 15mJapan Airlines
Tue 1/2010:20 amHKG - SAN
2 stops21h 09mJapan Airlines
Deal found 12/11$988
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/296:15 amSAN - HKG
1 stop21h 05mUnited Airlines
Mon 1/1910:30 pmHKG - SAN
1 stop16h 35mUnited Airlines
Deal found 12/11$1,009
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/297:40 amSAN - HKG
1 stop19h 40mUnited Airlines
Fri 1/2310:35 amHKG - SAN
2 stops20h 29mUnited Airlines
Deal found 12/11$1,014
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:45 pmSAN - HKG
2 stops30h 35mUnited Airlines
Tue 1/2010:35 amHKG - SAN
2 stops25h 19mUnited Airlines
Deal found 12/11$1,027
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:45 pmSAN - HKG
1 stop30h 30mUnited Airlines
Wed 1/2110:45 pmHKG - SAN
1 stop16h 57mUnited Airlines
Deal found 12/11$1,028
This Japan Airlines deal was found by Cheapflights users on 12/11. 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 12/2411:40 amSAN - HKG
1 stop19h 15mJapan Airlines
Thu 1/2210:20 amHKG - SAN
2 stops22h 10mJapan Airlines
Deal found 12/11$1,029
This Japan Airlines deal was found by Cheapflights users on 12/11. 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 12/2411:40 amSAN - HKG
1 stop19h 15mJapan Airlines
Wed 1/213:35 pmHKG - SAN
2 stops40h 55mJapan Airlines
Deal found 12/11$1,030

Find flight deals from San Diego to Hong Kong

Keep the following information in mind while searching for San Diego to Hong Kong flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$562
(FlightHub)

One-way from

$329
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$932
Provider with most accurate pricing for San Diego-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Hong Kong Intl flights.
Search Deals
From San Diego to Hong Kong
Search Deals
One-way flight from San Diego to Hong Kong
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Hong Kong 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 December 12, 2025.
Use the filters below to find and compare flights from San Diego to Hong Kong that are best for you.

Fly from

San Diego

Fly to

Hong Kong

Route

Depart

Return

Price

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Sun 3/29

7:20 am-6:55 pm

1 stop20h 35m

Hong Kong Intl

Thu 4/30

10:30 pm-8:04 am

1 stop24h 34m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Sat 1/24

4:00 pm-7:00 am

2 stops23h 00m

Hong Kong Intl

Sat 1/31

10:45 pm-11:42 pm

1 stop16h 57m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Tue 3/31

10:50 am-5:40 am

1 stop27h 50m

Hong Kong Intl

Sat 5/2

11:45 am-8:38 pm

1 stop23h 53m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Mon 3/30

9:15 am-6:55 pm

1 stop18h 40m

Hong Kong Intl

Fri 5/1

11:45 am-6:33 pm

1 stop21h 48m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Mon 3/23

9:54 am-7:20 pm

1 stop18h 26m

Hong Kong Intl

Wed 5/13

2:45 pm-12:28 am

2 stops24h 43m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Wed 4/1

9:15 am-6:55 pm

1 stop18h 40m

Hong Kong Intl

Tue 4/28

11:45 am-8:27 pm

1 stop23h 42m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Wed 3/18

6:15 am-7:15 pm

1 stop22h 00m

Hong Kong Intl

Thu 4/2

11:45 am-10:42 pm

1 stop25h 57m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Thu 3/5

6:15 am-7:15 pm

1 stop21h 00m

Hong Kong Intl

Sun 3/8

10:30 pm-12:14 am

1 stop16h 44m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Tue 3/31

8:40 pm-5:40 am

1 stop18h 00m

Hong Kong Intl

Wed 4/29

2:45 pm-11:57 pm

2 stops24h 12m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Wed 1/21

6:00 pm-6:45 am

1 stop20h 45m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Diego to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from San Diego 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 San Diego to Hong Kong

How far ahead should I book a flight from San Diego to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Hong Kong. Price data was last updated on December 5, 2025.

The price you pay for your flight from San Diego to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Hong Kong (average of $578). Flying from San Diego to Hong Kong in July is currently the most expensive (average of $967). 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 SAN to HK?

Find hourly flight availability from San Diego to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from San Diego to Hong Kong, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 13% versus a flight in the morning.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. 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 Hong Kong. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Japan Airlines, Cathay Pacific, and United Airlines from San Diego to Hong Kong. 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.
Japan Airlines
8.3
Very good
1,653 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Japan Airlines
8.3
Very good
1,653 reviews
Japan Airlines
8.3
Very good
1,653 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Cathay Pacific
7.6
Good
1,095 reviews
Japan Airlines
8.3
Very good
1,653 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
United Airlines
7.4
Good
9,094 reviews
Japan Airlines
8.3
Very good
1,653 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Air Canada
7.1
Good
10,517 reviews
Japan Airlines
8.3
Very good
1,653 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Hong Kong. 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 from for flights from San Diego to Hong Kong?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to Hong Kong from San Diego.

  • How long is the flight from San Diego to Hong Kong?

    United Airlines can get you from San Diego to Hong Kong in just under 20h 35m. Your travel time can differ by up to . The distance between San Diego and Hong Kong is about 7350 mi.

  • What are the cheapest airlines flying from San Diego to Hong Kong round-trip?

    Air Canada, at $588, was found to be the cheapest airline from San Diego to Hong Kong.Alternate airlines to your destination round-trip include United Airlines and Japan Airlines. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Diego to Hong Kong one-way?

    One-way options have recently been found by users for as low as $328 on United Airlines. Other airlines that offer cheap prices include Air Canada from $408 and Japan Airlines from $434 one-way.

  • Can I find deals for flights from San Diego to Hong Kong that include hotel bookings?

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

  • How can I find direct flights from San Diego to Hong Kong?

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

  • Can I find deals for business class flights from San Diego to Hong Kong?

    Yes. Cheapflights offers flight deals from San Diego to Hong Kong 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 San Diego to Hong Kong?

    Currently, November is the cheapest month in which you can book a flight from San Diego to Hong Kong (average of $578). Flying from San Diego to Hong Kong in July is currently the most expensive (average of $967). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
Los Angeles to Manila flights
San Francisco to Narita flights
San Francisco to New Delhi flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
Ontario to Narita flights
San Francisco to Taiwan Taoyuan Intl flights
Los Angeles to Incheon Intl flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Mumbai flights
San Francisco to Hong Kong flights
San Francisco to Suvarnabhumi flights
Los Angeles to Taiwan Taoyuan Intl flights
Santa Ana to Narita flights
San Francisco to Ho Chi Minh City flights
San Diego to Narita flights
San Francisco to Incheon Intl flights
Los Angeles to Hongqiao Intl flights
Ontario to Haneda flights
Los Angeles to Hong Kong flights
San Francisco to Hongqiao Intl flights
Santa Ana to Haneda flights
San Jose to New Delhi flights
Los Angeles to Pu Dong flights
Burbank to Narita flights
San Francisco to Bangalore flights
San Francisco to Hyderabad flights
Los Angeles to Kansai Intl flights
Ontario to Suvarnabhumi flights
San Diego to Haneda flights
San Francisco to Pu Dong flights
Ontario to Manila flights
Ontario to Taiwan Taoyuan Intl flights
Oakland to Narita flights
Oakland to New Delhi flights
San Francisco to Sung Shan flights
Los Angeles to Singapore flights
Los Angeles to Gimpo Intl flights
Ontario to Ho Chi Minh City flights
Los Angeles to Sung Shan flights
Los Angeles to New Delhi flights
San Francisco to Chennai flights
Los Angeles to Don Mueang Intl flights
Los Angeles to Mumbai flights
San Francisco to Kansai Intl flights
San Jose to Mumbai flights
Santa Ana to Manila flights

Top 4 airlines flying from San Diego to Hong Kong

Discover the top 4 airlines that operate flights from San Diego to Hong Kong. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$1,079FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$601Average$789FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$886Average$1,143FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$1,044Average$1,267FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.