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Cheap United Airlines flights

SYD
21 Feb — 28 Feb1
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 22 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches.

Cheapest Route

$114

Most Popular Route

SFO to LAX

Shortest Flight

1h 19m

Longest Flight

11h 59m
Flying from Denver Intl to Phoenix Sky Harbor Intl
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Flying from San Francisco to Los Angeles
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Flying from Washington, D.C. Dulles Intl to Newark
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Flying from Chicago O'Hare Intl to Calgary
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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 22 January 2026.

Wed 4/305:35
BOS
-
MEL
2 stops35h 55m
United Airlines
Tue 17/312:00
MEL
-
BOS
2 stops26h 57m
United Airlines
Deal found $1,567
Tue 10/212:45
BOS
-
MEL
2 stops28h 45m
United Airlines
Wed 11/310:30
MEL
-
BOS
2 stops24h 12m
United Airlines
Deal found $1,573
Wed 6/515:32
BOS
-
SYD
2 stops25h 28m
United Airlines
Sun 17/509:30
SYD
-
BOS
2 stops24h 39m
United Airlines
Deal found $1,787

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 22 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
9,191 reviews
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Overview

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

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 $114 per ticket, a flight from Denver Intl to Phoenix Sky Harbor Intl 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 El Paso to Denver Intl. You can expect to pay around $58 per ticket. This flight has 0 stops.

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