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

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HKG
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Find cheap flights from San Diego to Hong Kong with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Hong Kong Intl 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 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. 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 12/286:15 amSAN - HKG
1 stop21h 05mUnited Airlines
Tue 12/3011:25 amHKG - SAN
1 stop24h 32mUnited Airlines
Deal found 12/9$1,284
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/2211:12 amSAN - HKG
2 stops40h 08mUnited Airlines
Mon 12/2910:00 amHKG - SAN
2 stops24h 43mUnited Airlines
Deal found 12/9$1,368
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/2211:12 amSAN - HKG
2 stops40h 08mUnited Airlines
Sun 12/2810:30 pmHKG - SAN
2 stops27h 09mUnited Airlines
Deal found 12/9$1,414
This United Airlines deal was found by Cheapflights users on 12/9. 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 00mUnited Airlines
Wed 12/3110:35 amHKG - SAN
2 stops25h 22mUnited Airlines
Deal found 12/9$1,443
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/287:55 pmSAN - HKG
1 stop31h 25mUnited Airlines
Wed 12/3110:35 amHKG - SAN
2 stops26h 12mUnited Airlines
Deal found 12/9$1,449
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/237:40 amSAN - HKG
1 stop19h 40mUnited Airlines
Mon 12/2910:00 amHKG - SAN
2 stops24h 43mUnited Airlines
Deal found 12/9$1,528
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/2111:12 amSAN - HKG
2 stops40h 08mUnited Airlines
Mon 12/2910:00 amHKG - SAN
2 stops26h 48mUnited Airlines
Deal found 12/9$1,533
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/238:45 pmSAN - HKG
1 stop18h 15mUnited Airlines
Sun 12/2811:25 amHKG - SAN
1 stop24h 32mUnited Airlines
Deal found 12/9$1,575

Find flight deals from San Diego to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Hong Kong (HKG). 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(United Airlines)

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 Intl
Search Deals
One-way flight from San Diego to Hong Kong Intl
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 9, 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

Tue 4/21

6:26 pm-5:00 am

1 stop19h 34m

Hong Kong Intl

Mon 5/18

10:30 pm-12:28 am

1 stop16h 58m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Tue 4/21

9:15 am-6:55 pm

1 stop18h 40m

Hong Kong Intl

Mon 5/11

9:45 pm-11:59 pm

1 stop17h 14m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Fri 4/24

6:20 am-6:30 pm

1 stop21h 10m

Hong Kong Intl

Tue 5/12

11:45 am-3:39 pm

1 stop18h 54m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Fri 4/24

6:20 am-6:30 pm

1 stop21h 10m

Hong Kong Intl

Wed 5/13

11:45 am-3:39 pm

1 stop18h 54m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Mon 4/20

9:15 am-6:55 pm

1 stop18h 40m

Hong Kong Intl

Sun 5/17

10:30 pm-12:28 am

1 stop16h 58m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Mon 4/20

6:20 am-6:30 pm

1 stop21h 10m

Hong Kong Intl

Fri 5/15

9:45 pm-11:59 pm

1 stop17h 14m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Thu 4/23

9:15 am-6:55 pm

1 stop18h 40m

Hong Kong Intl

Sun 5/17

10:30 pm-12:28 am

1 stop16h 58m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Wed 4/22

10:50 am-5:40 am

1 stop27h 50m

Hong Kong Intl

Sun 5/10

11:45 am-10:37 pm

1 stop25h 52m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Tue 4/21

6:26 pm-5:00 am

1 stop19h 34m

Hong Kong Intl

Sat 5/16

12:40 pm-8:02 pm

1 stop22h 22m

$590

San DiegoHong Kong

SAN - HKG

SANHKG

San Diego

Wed 4/22

11:00 am-5:00 am

1 stop27h 00m

Hong Kong Intl

Mon 5/18

11:45 am-3:39 pm

1 stop18h 54m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Diego to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Hong Kong in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Hong Kong flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Hong Kong flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Hong Kong flights, Cheapflights users trust eDreams the most. eDreams 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 San Diego-Hong Kong 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 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 HKG?

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 9, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from San Diego to Hong Kong by exploring options for tickets in the afternoon.

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 9, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Cathay Pacific, and United Airlines from San Diego to Hong Kong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,651 reviews

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

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
1,651 reviews
Japan Airlines
8.3
Very good
1,651 reviews

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

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
1,090 reviews
Japan Airlines
8.3
Very good
1,651 reviews

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

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
9,088 reviews
Japan Airlines
8.3
Very good
1,651 reviews

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

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
10,514 reviews
Japan Airlines
8.3
Very good
1,651 reviews

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Overall

8.3

Comfort

8.2

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.

  • 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 19h 34m. 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

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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 9, 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%

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