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Cheap United Airlines flights

LHR
8 Feb — 15 Feb1
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 9 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£57

Most Popular Route

IAD to MIA

Shortest flight

1h 19m

Longest Flight

11h 35m
Flying from Las Vegas Harry Reid Intl to San Francisco
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Flying from Washington, D.C. Dulles Intl to Miami
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from New Orleans Louis Armstrong to Seattle/Tacoma 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 9 January 2026.

Wed 18/315:35BOS - LHR
1 stop11h 35mUnited Airlines
Fri 27/309:00LHR - BOS
1 stop12h 50mUnited Airlines
Deal found £372
Sun 8/310:15BOS - LHR
1 stop16h 55mUnited Airlines
Tue 24/313:25LHR - BOS
1 stop12h 02mUnited Airlines
Deal found £373
Wed 4/209:30BOS - MAN
2 stops19h 50mUnited Airlines
Wed 11/206:10MAN - BOS
2 stops17h 22mUnited Airlines
Deal found £394

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 9 January 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
9,144 reviews
Check prices
Overview

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are 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 Las Vegas Harry Reid Intl to San Francisco, which is £57. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is San Diego to Denver Intl (0 stops) for £29.

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