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Cheap United Airlines flights

LHR
7 Aug — 14 Aug1
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 8 July 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£86

Most Popular Route

SFO to LAX

Shortest flight

0h 59m

Longest Flight

10h 38m
Flying from Houston George Bush Intcntl to Austin Bergstrom
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Flying from San Francisco to Los Angeles
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Flying from Milwaukee-Mitchell to Chicago O'Hare Intl
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Flying from Phoenix Sky Harbor Intl to San Diego
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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 8 July 2026.

Tue 6/1012:55
ATL
-
LHR
1 stop16h 05m
United Airlines
Thu 8/1006:50
LHR
-
ATL
2 stops17h 16m
United Airlines
Deal found £599
Mon 16/1113:42
ATL
-
LHR
1 stop14h 28m
United Airlines
Wed 18/1107:30
LHR
-
ATL
2 stops16h 03m
United Airlines
Deal found £609
Sat 21/1119:22
ATL
-
BHX
2 stops36h 13m
United Airlines
Tue 24/1106:10
BHX
-
ATL
2 stops20h 07m
United Airlines
Deal found £631

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 8 July 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
9,953 reviews
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Overview

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.7

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 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 Houston George Bush Intcntl to Austin Bergstrom, which is £86. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Houston George Bush Intcntl to Austin Bergstrom (0 stops) for £43.

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