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Cheap United Airlines flights

SYD
27 Feb — 6 Mar1
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 28 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches.

Cheapest Route

$140

Most Popular Route

SMF to LAX

Shortest Flight

0h 52m

Longest Flight

19h 30m
Flying from Sacramento Intl to Los Angeles
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Flying from Sacramento Intl to Los Angeles
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Flying from Denver Intl to Cheyenne
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Flying from Baltimore/Washington to San Salvador El Salvador 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 28 January 2026.

Mon 20/415:28
BOS
-
MEL
2 stops26h 47m
United Airlines
Sun 3/510:55
MEL
-
BOS
1 stop24h 32m
United Airlines
Deal found $1,526
Tue 7/415:28
BOS
-
MEL
2 stops26h 47m
United Airlines
Tue 21/410:55
MEL
-
BOS
2 stops27h 04m
United Airlines
Deal found $1,527
Wed 13/505:45
BOS
-
SYD
2 stops35h 15m
United Airlines
Tue 26/510:20
SYD
-
BOS
2 stops27h 34m
United Airlines
Deal found $1,749

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 28 January 2026 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
9,213 reviews
Check prices
Overview

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

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

  • What is United Airlines’s cheapest domestic flight?

    Priced at $140 per ticket, a flight from Sacramento Intl to Los Angeles 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 Las Vegas Harry Reid Intl to San Francisco. You can expect to pay around $71 per ticket. This flight has 0 stops.

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