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Cheap United Airlines flights

LHR
20 Jan — 27 Jan1
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 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£71

Most Popular Route

SFO to LAX

Shortest flight

0h 49m

Longest Flight

20h 15m
Flying from Los Angeles to Las Vegas Harry Reid Intl
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Flying from San Francisco to Los Angeles
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Flying from Denver Intl to Cheyenne
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Flying from Phoenix Sky Harbor Intl to Winnipeg
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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 December 2025.

Tue 27/116:27CMH - EDI
1 stop10h 28mUnited Airlines
Tue 24/209:25EDI - CMH
1 stop11h 31mUnited Airlines
Deal found £460
Tue 27/116:27CMH - EDI
1 stop10h 28mUnited Airlines
Mon 2/309:25EDI - CMH
1 stop11h 31mUnited Airlines
Deal found £461
Sun 15/309:30CMH - LHR
2 stops31h 05mUnited Airlines
Wed 25/306:50LHR - CMH
2 stops19h 23mUnited Airlines
Deal found £471

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 December 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
9,099 reviews
Check prices
Overview

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1
Pros +
  • Flight was quick and easy. (in 2447 reviews)
  • "Clean plane, organized crew." (in 2084 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are San Francisco, Chicago O'Hare 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 Los Angeles to Las Vegas Harry Reid Intl, which is £71. 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 £34.

  • What is United Airlines’s cheapest international flight?

    The least expensive round-trip international United Airlines flight is: -Vancouver Intl to Los Angeles, -0 stops, -£102 per ticket United Airlines has international one-way flights available, but the cheapest is a flight from Phoenix Sky Harbor Intl to Winnipeg for just £47. This flight has 2 stops.

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