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Air China flights from Hong Kong to San Francisco (HKG - SFO)

HKG — SFO
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Hong Kong to San Francisco on Air China typically fly into San Francisco and depart from Hong Kong Intl. Select your dates above for pricing.

Air China flights from Hong Kong to San Francisco in 2026

Find detailed information about Air China flights from Hong Kong to San Francisco. Explore the options provided by Air China to plan your journey from Hong Kong to San Francisco. Data last updated 23 March 2026.

One-way from

HK$3,149

Return from

HK$7,722

Popular in

August

Cheapest in

September

Average price (all airlines)

HK$5,639
Air China
  • Air China
  • 8-5
  • 1 total stop
  • 34h 55m total
  • Hong Kong to San Francisco
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Air China
  • Air China
  • 29-8-5-9
  • 1 total stop
  • 34h 04m total
  • Hong Kong to San Francisco
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Highest demand for flights from Hong Kong Intl to San Francisco; 17% potential price increase.
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Best time to find cheap flights from Hong Kong Intl to San Francisco; 4% potential price drop.
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Average price for all Hong Kong Intl to San Francisco flights (one-way and round-trip).
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Find Air China flight deals from Hong Kong to San Francisco

Enter your travel dates to find the best prices.

Cheapest Air China flights from Hong Kong to San Francisco
Explore the most affordable Air China flight options available from Hong Kong to San Francisco. Find the lowest fares with prices last updated on 23 March 2026.

Tue 31-317:45
HKG
-
SFO
1 stop31h 45m
Air China
Sat 2-513:00
SFO
-
HKG
1 stop33h 05m
Air China
Deal found 19-3HK$10,769
Fri 27-313:20
HKG
-
SFO
1 stop36h 10m
Air China
Sat 4-413:00
SFO
-
HKG
1 stop36h 20m
Air China
Deal found 19-3HK$11,255
Tue 31-314:35
HKG
-
SFO
1 stop34h 55m
Air China
Wed 2-913:00
SFO
-
HKG
1 stop33h 05m
Air China
Deal found 23-3HK$11,333

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Hong Kong with our price prediction graph.
Estimated return 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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Hong Kong to San Francisco on another airline

Consider alternative airlines that service the San Francisco area. Flight routes are based on user searches made on Cheapflights and were last updated on 23 March 2026.
United Airlines flights from Hong Kong Intl to San Francisco

See what others are saying about Air China

Read reviews and see what other travellers are saying about their experiences with Air China. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air China for your next flight. Reviews last updated 23 March 2026.
Air China
7.3
Good
142 reviews
Check prices
Overview

Crew

7.9

Food

7.1

Comfort

7.1

Entertainment

6.4

Boarding

7.7

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