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Cheap United Airlines flights

SYD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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

Cheapest Route

$115

Most Popular Route

RNO to LAX

Shortest Flight

1h 19m

Longest Flight

17h 28m
Flying from San Francisco to San Diego
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Flying from Reno to Los Angeles
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Flying from Los Angeles to Las Vegas Harry Reid Intl
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Flying from Atlanta Hartsfield-Jackson to Vancouver Intl
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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 18 September 2025.

Sat 7/313:30BOS - BNE
1 stop27h 00mUnited Airlines
Sat 21/310:40BNE - BOS
1 stop20h 33mUnited Airlines
Deal found $1,602
Sat 13/1206:00BOS - BNE
2 stops34h 30mUnited Airlines
Mon 29/1211:40BNE - BOS
1 stop28h 13mUnited Airlines
Deal found $1,608
Tue 11/1113:32BOS - SYD
1 stop25h 28mUnited Airlines
Tue 2/1211:20SYD - BOS
1 stop21h 34mUnited Airlines
Deal found $1,773

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 18 September 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
8,926 reviews
Check prices
Overview

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6
Pros +
  • The flight arrived early and that was great (in 143 reviews)
  • Flight was quick and easy. (in 2395 reviews)
  • "Great crew, comfortable and clean flight." (in 2084 reviews)
Cons -
  • Customer service was very poor. (in 236 reviews)
  • I will Never fly on them Again! (in 554 reviews)
  • Dinner time flight no food. (in 5027 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. Newark and San Francisco are the next two most visited by United Airlines.

  • What is United Airlines’s cheapest domestic flight?

    Priced at $115 per ticket, a flight from San Francisco to San Diego 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 Ontario to San Francisco. You can expect to pay around $58 per ticket. This flight has 0 stops.

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