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United Airlines flights from Hong Kong to Seattle (HKG - SEA)

HKG — SEA
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Hong Kong to Seattle on United Airlines typically fly into Seattle/Tacoma Intl and depart from Hong Kong Intl. Select your dates above for pricing.

United Airlines flights from Hong Kong to Seattle in 2026

Find detailed information about United Airlines flights from Hong Kong to Seattle. Explore the options provided by United Airlines to plan your journey from Hong Kong to Seattle. Data last updated 19 January 2026.

One-way from

HK$3,719

Return from

HK$5,262

Popular in

July

Cheapest in

January

Average price (all airlines)

HK$4,997
United Airlines
  • United Airlines
  • 12-3
  • 2 total stops
  • 20h 15m total
  • Hong Kong to Seattle
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United Airlines
  • United Airlines
  • 20-4-24-4
  • 2 total stops
  • 59h 29m total
  • Hong Kong to Seattle
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Highest demand for flights from Hong Kong Intl to Seattle/Tacoma Intl; 19% potential price increase.
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Best time to find cheap flights from Hong Kong Intl to Seattle/Tacoma Intl; 3% potential price drop.
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Average price for all Hong Kong Intl to Seattle/Tacoma Intl flights (one-way and round-trip).
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  • How do most travelers feel about United Airlines?

    9,176 Cheapflights users have left reviews for United Airlines and have rated the airline 7.4/10. If you are looking to travel from Hong Kong to Seattle on United Airlines, input your dates in the form above for our best prices!

  • Can I get a flight from Hong Kong to Seattle on United Airlines for under HK$5,457?

    Cheapflights currently has 10 HKG-SEA flights for under HK$5,457. Flights to Seattle will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Find United Airlines flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.

Cheapest United Airlines flights from Hong Kong to Seattle
Explore the most affordable United Airlines flight options available from Hong Kong to Seattle. Find the lowest fares with prices last updated on 19 January 2026.

Mon 2-211:25
HKG
-
SEA
2 stops25h 47m
United Airlines
Tue 10-209:25
SEA
-
HKG
1 stop29h 20m
United Airlines
Deal found 17-1HK$5,551
Mon 9-222:30
HKG
-
SEA
1 stop29h 00m
United Airlines
Mon 2-312:15
SEA
-
HKG
2 stops26h 30m
United Airlines
Deal found 19-1HK$5,558
Tue 27-111:25
HKG
-
SEA
2 stops25h 47m
United Airlines
Tue 10-206:18
SEA
-
HKG
1 stop21h 02m
United Airlines
Deal found 17-1HK$5,621

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Best time to book a flight from Hong Kong to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle on another airline

Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 19 January 2026.
Asiana Airlines flights from Hong Kong Intl to Seattle/Tacoma Intl
EVA Air flights from Hong Kong Intl to Seattle/Tacoma Intl

See what others are saying about United Airlines

Read reviews and see what other travellers are saying about their experiences with United Airlines. 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 United Airlines for your next flight. Reviews last updated 19 January 2026.
United Airlines
7.4
Good
9,177 reviews
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Overview

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

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