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Cheap United Airlines flights

LHR
20 Jun — 27 Jun1
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 May 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£87

Most Popular Route

DEN to LAX

Shortest flight

0h 48m

Longest Flight

8h 26m
Flying from Washington, D.C. Dulles Intl to Lynchburg Preston-Glenn Field
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Flying from Denver Intl to Los Angeles Los Angeles
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Flying from Denver Intl to Cheyenne
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Flying from Seattle/Tacoma Intl to San Diego
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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 May 2026.

Mon 17/818:30
IAD
-
LHR
Nonstop7h 25m
United Airlines
Fri 4/906:50
LHR
-
IAD
1 stop12h 30m
United Airlines
Deal found £635
Mon 3/818:30
IAD
-
LHR
Nonstop7h 25m
United Airlines
Tue 18/812:10
LHR
-
IAD
1 stop33h 35m
United Airlines
Deal found £636
Wed 21/1019:10
BWI
-
LHR
1 stop11h 45m
United Airlines
Wed 11/1106:50
LHR
-
BWI
2 stops15h 23m
United Airlines
Deal found £644

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 May 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
9,743 reviews
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Overview

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

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 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 Washington, D.C. Dulles Intl to Lynchburg Preston-Glenn Field, which is £87. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Atlanta Hartsfield-Jackson to Houston George Bush Intcntl (0 stops) for £44.

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