Cheap United Airlines flights

LHR
21 Dec — 28 Dec1
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 21 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£59

Most Popular Route

SFO to LAX

Shortest flight

0h 48m

Longest Flight

18h 38m
Flying from San Diego to San Francisco
Flying from San Francisco to Los Angeles
Flying from Denver Intl to Cheyenne
Flying from Boston Logan Intl 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 21 November 2025.

Sun 18/109:00CMH - EDI
2 stops17h 55mUnited Airlines
Sun 1/209:25EDI - CMH
2 stops14h 41mUnited Airlines
Deal found £473
Tue 30/1206:05CMH - LHR
1 stop23h 45mUnited Airlines
Sun 11/118:00LHR - CMH
1 stop31h 56mUnited Airlines
Deal found £477
Fri 13/216:12CMH - MAN
2 stops15h 08mUnited Airlines
Tue 17/206:10MAN - CMH
2 stops17h 49mUnited Airlines
Deal found £495

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 21 November 2025 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
9,029 reviews
Overview

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1
Pros +
  • Flight was quick and easy. (in 2447 reviews)
  • Crew was pretty cool. (in 2084 reviews)
Cons -
  • Have the middle seats vacant. (in 137 reviews)
  • The space in economy plus. (in 296 reviews)
  • Also no entertainment (in 1245 reviews)

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, and San Francisco 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 San Diego to San Francisco, which is £59. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Los Angeles to Las Vegas Harry Reid Intl (0 stops) for £30.

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