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Cheap United Airlines flights

SYD
9 Jul — 16 Jul1
1 adult

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 4 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches.

Cheapest Route

$87

Most Popular Route

PHX to LAX

Shortest Flight

0h 50m

Longest Flight

14h 58m
Flying from Ontario to San Francisco
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Flying from Phoenix Sky Harbor Intl to Los Angeles
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Flying from Denver Intl to Cheyenne
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Flying from Tampa to Toronto Pearson Intl
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Find United Airlines flight deals

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 4 July 2025.

Sat 13/1207:21BOS - BNE
2 stops33h 09mUnited Airlines
Thu 1/111:40BNE - BOS
2 stops37h 04mUnited Airlines
Deal found $1,655
Fri 15/818:25BOS - SYD
1 stop22h 35mUnited Airlines
Fri 22/810:20SYD - BOS
1 stop23h 48mUnited Airlines
Deal found $2,021
Mon 13/1018:18BOS - MEL
1 stop23h 57mUnited Airlines
Sun 16/1111:30MEL - BOS
2 stops23h 18mUnited Airlines
Deal found $2,366

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 4 July 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 647,157 searches.
United Airlines
7.4
Good
8,845 reviews
Check prices
Overview

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6
Pros +
  • "Everything was cool, smooth flight." (in 2442 reviews)
  • The flight arrived early and that was great (in 143 reviews)
  • Flight was quick and easy. (in 2395 reviews)
Cons -
  • Customer service was very poor. (in 236 reviews)
  • I will Never fly on them Again! (in 554 reviews)
  • Entertainment wasn’t working well at all (in 1245 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    Based on flight volume data, Chicago O'Hare Intl is the most popular airport that United Airlines uses. San Francisco and Newark are the next two most visited by United Airlines.

  • What is United Airlines’s cheapest domestic flight?

    Priced at $87 per ticket, a flight from Ontario to San Francisco is the cheapest domestic route United Airlines has available at the moment. This is a round-trip route and has 0 stops. The cheapest one-way United Airlines ticket is flying from San Francisco to San Diego. You can expect to pay around $59 per ticket. This flight has 0 stops.

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