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Cheap United Airlines flights

LHR
3 Sep — 10 Sep1
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 4 August 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£83

Most Popular Route

RNO to LAX

Shortest flight

1h 00m

Longest Flight

15h 46m
Flying from Atlanta Hartsfield-Jackson to Houston George Bush Intcntl
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Flying from Reno to Los Angeles Los Angeles
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Flying from Cheyenne to Denver Intl
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Flying from Los Angeles Los Angeles 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 4 August 2026.

Mon 24/818:25 -
1 stop21h 35m
Wed 26/812:10 -
1 stop32h 00m
Deal found £503
Sun 20/918:25 -
1 stop21h 35m
Tue 22/913:50 -
1 stop11h 05m
Deal found £504
Sun 23/815:35 -
1 stop11h 05m
Mon 31/809:15 -
2 stops29h 33m
Deal found £603

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 August 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
United Airlines
7.4
Good
10,000 reviews
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Overview

Boarding

7.7

Crew

8.1

Food

6.7

Entertainment

7.1

Comfort

7.3

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are San Francisco, Denver Intl, and Los Angeles Los Angeles 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 Atlanta Hartsfield-Jackson to Houston George Bush Intcntl, which is £83. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is San Francisco to Los Angeles Los Angeles (0 stops) for £44.

  • What is United Airlines’s cheapest international flight?

    The least expensive round-trip international United Airlines flight is: -Vancouver Intl to Los Angeles Los Angeles, -0 stops, -£112 per ticket United Airlines has international one-way flights available, but the cheapest is a flight from Los Angeles Los Angeles to Vancouver Intl for just £54. This flight has 0 stops.

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