Cheap United Airlines flights

HKG
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

United Airlines information

Discover detailed information about United Airlines flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 27 November 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches.

Cheapest Route

HK$599

Most Popular Route

DEN to LAX

Shortest Flight

0h 53m

Longest Flight

14h 44m
Flying from San Diego to San Francisco
Flying from Denver Intl to Los Angeles
Flying from Cheyenne to Denver Intl
Flying from Minneapolis St Paul to Edmonton

Find United Airlines flight deals

Enter your travel dates to find the best prices.

Cheapest United Airlines flights
Explore the most affordable United Airlines flight options available. Find the lowest fares based on data from user searches, with prices last updated on 27 November 2025.

Mon 19-123:15SFO - HKG
Nonstop15h 30mUnited Airlines
Thu 22-110:35HKG - SFO
Nonstop12h 25mUnited Airlines
Deal found HK$6,976
Sun 18-122:59SFO - HKG
1 stop40h 01mUnited Airlines
Thu 22-110:35HKG - SFO
Nonstop12h 25mUnited Airlines
Deal found HK$7,101
Mon 30-323:00SFO - HKG
Nonstop15h 00mUnited Airlines
Thu 30-422:30HKG - SFO
Nonstop12h 35mUnited Airlines
Deal found HK$7,171

United Airlines Reviews

Read reviews and feedback from other travellers about their experiences with United Airlines sourced from user searches. These reviews were last updated on 27 November 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 70,647 searches.
United Airlines
7.4
Good
9,050 reviews
Overview

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1
Pros +
  • Flight was quick and easy. (in 2447 reviews)
  • Crew was pretty cool. (in 2084 reviews)
Cons -
  • Have the middle seats vacant. (in 137 reviews)
  • The space in economy plus. (in 296 reviews)
  • "Also, not sure why the Wifi went out midway through the flight." (in 5027 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are Chicago O'Hare Intl, Los Angeles, and San Francisco according to our data. Flights to or from any of these airports should be available via United Airlines year-round.

  • What is United Airlines’s cheapest domestic flight?

    The cheapest domestic United Airlines flight is flying San Diego to San Francisco, which is HK$599. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is San Francisco to San Diego (0 stops) for HK$303.

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