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Cheap United Airlines flights

LHR
29 May — 5 Jun1
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 29 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£82

Most Popular Route

AUS to SFO

Shortest flight

0h 48m

Longest Flight

18h 36m
Flying from Denver Intl to Cheyenne
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Flying from Austin Bergstrom to San Francisco
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Flying from Denver Intl to Cheyenne
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Flying from Philadelphia to George Town Owen Roberts 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 29 April 2026.

Fri 18/919:50
CMH
-
LHR
2 stops19h 50m
United Airlines
Sun 20/911:05
LHR
-
CMH
2 stops34h 42m
United Airlines
Deal found £626
Tue 8/914:15
CMH
-
LHR
1 stop11h 15m
United Airlines
Tue 15/906:50
LHR
-
CMH
2 stops17h 03m
United Airlines
Deal found £644
Wed 12/814:15
CMH
-
EDI
1 stop12h 25m
United Airlines
Thu 20/809:15
EDI
-
CMH
1 stop11h 07m
United Airlines
Deal found £679

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 29 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
9,680 reviews
Check prices
Overview

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are Los Angeles Los Angeles, San Francisco, and Chicago O'Hare 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 Denver Intl to Cheyenne, which is £82. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Denver Intl to Cheyenne (0 stops) for £41.

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