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Cheap United Airlines flights

LHR
28 Feb — 7 Mar1
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 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£70

Most Popular Route

SFO to LAX

Shortest flight

0h 58m

Longest Flight

16h 49m
Flying from Sacramento Intl to Los Angeles
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Flying from San Francisco to Los Angeles
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Flying from Cheyenne to Denver Intl
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Flying from Washington, D.C. Reagan-National to San Salvador El Salvador 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 January 2026.

Wed 24/616:00
ZRH
-
LHR
2 stops26h 05m
United Airlines
Sun 28/612:15
LHR
-
ZRH
1 stop21h 10m
United Airlines
Deal found £5,129
Fri 13/313:10
ZRH
-
LHR
1 stop25h 20m
United Airlines
Fri 20/307:25
LHR
-
ZRH
1 stop23h 30m
United Airlines
Deal found £9,687
Sat 21/313:05
ZRH
-
EDI
1 stop21h 25m
United Airlines
Mon 23/311:30
EDI
-
ZRH
1 stop18h 10m
United Airlines
Deal found £9,773

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 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
9,214 reviews
Check prices
Overview

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

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 Sacramento Intl to Los Angeles, which is £70. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Lambert-St Louis to Chicago O'Hare Intl (0 stops) for £35.

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