Cheap United Airlines flights

LHR
5 May — 12 May1
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 5 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£73

Most Popular Route

DEN to LAX

Shortest flight

0h 52m

Longest Flight

13h 35m
Flying from Phoenix Sky Harbor Intl to Los Angeles Los Angeles
Flying from Denver Intl to Los Angeles Los Angeles
Flying from Denver Intl to Hayden Yampa Valley
Flying from Orlando to Toronto Pearson 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 5 April 2026.

Tue 15/914:15
CMH
-
LHR
1 stop11h 15m
United Airlines
Wed 30/906:50
LHR
-
CMH
2 stops16h 50m
United Airlines
Deal found £656
Wed 26/814:15
CMH
-
LHR
1 stop14h 45m
United Airlines
Wed 2/906:50
LHR
-
CMH
2 stops17h 03m
United Airlines
Deal found £657
Wed 2/911:10
CMH
-
MAN
2 stops25h 25m
United Airlines
Wed 9/909:00
MAN
-
CMH
2 stops38h 57m
United Airlines
Deal found £682

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 5 April 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
9,545 reviews
Overview

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

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 Chicago O'Hare Intl, Los Angeles Los Angeles, and Denver Intl 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 Phoenix Sky Harbor Intl to Los Angeles Los Angeles, which is £73. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Phoenix Sky Harbor Intl to Los Angeles Los Angeles (0 stops) for £37.

  • 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, -1 stop, -£135 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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