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Cheap United Airlines flights

LHR
25 Apr — 2 May1
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 26 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£87

Most Popular Route

YVR to LAX

Shortest flight

1h 02m

Longest Flight

8h 42m
Flying from San Diego to San Francisco
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Flying from Vancouver Intl to Los Angeles
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Flying from Clarksburg Benedum to Washington, D.C. Dulles Intl
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Flying from Orlando to Toronto Pearson 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 26 March 2026.

Wed 29/710:30
SEA
-
LHR
1 stop18h 50m
United Airlines
Wed 2/909:00
LHR
-
SEA
1 stop15h 59m
United Airlines
Deal found £597
Mon 31/823:56
SEA
-
LHR
1 stop23h 44m
United Airlines
Wed 16/909:00
LHR
-
SEA
1 stop15h 59m
United Airlines
Deal found £600
Wed 6/507:25
SEA
-
MAN
2 stops19h 00m
United Airlines
Wed 13/510:35
MAN
-
SEA
1 stop14h 24m
United Airlines
Deal found £620

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 26 March 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
9,484 reviews
Check prices
Overview

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are Los Angeles, Chicago O'Hare Intl, and Denver 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 San Diego to San Francisco, which is £87. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is San Diego to San Francisco (0 stops) for £44.

  • 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, -£112 per ticket United Airlines has international one-way flights available, but the cheapest is a flight from Los Angeles to Vancouver Intl for just £50. This flight has 0 stops.

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