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Cheap United Airlines flights

LHR
15 Jan — 22 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 16 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£68

Most Popular Route

LAS to LAX

Shortest flight

0h 58m

Longest Flight

21h 53m
Flying from Los Angeles to Las Vegas Harry Reid Intl
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from Cheyenne to Denver Intl
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Flying from Baltimore/Washington 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 16 December 2025.

Mon 29/1218:40BOS - LHR
1 stop20h 55mUnited Airlines
Wed 14/112:05LHR - BOS
1 stop12h 55mUnited Airlines
Deal found £379
Mon 29/1218:40BOS - LHR
1 stop20h 55mUnited Airlines
Fri 9/109:00LHR - BOS
2 stops35h 09mUnited Airlines
Deal found £382
Wed 28/112:45BOS - MAN
2 stops16h 35mUnited Airlines
Wed 4/211:10MAN - BOS
2 stops28h 26mUnited Airlines
Deal found £425

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 16 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
9,094 reviews
Check prices
Overview

Comfort

7.3

Crew

8.1

Boarding

7.7

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 £68. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Las Vegas Harry Reid Intl to Los Angeles (0 stops) for £34.

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