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Cheap United Airlines flights

LHR
6 Mar — 13 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 4 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£66

Most Popular Route

SFO to LAX

Shortest flight

1h 13m

Longest Flight

18h 10m
Flying from Miami to Washington, D.C. Dulles Intl
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Flying from San Francisco to Los Angeles
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from Washington, D.C. Dulles Intl 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 4 February 2026.

Thu 7/519:47
CMH
-
LHR
1 stop30h 08m
United Airlines
Sun 10/506:50
LHR
-
CMH
2 stops15h 01m
United Airlines
Deal found £459
Tue 3/317:48
CMH
-
LHR
1 stop12h 27m
United Airlines
Tue 10/306:50
LHR
-
CMH
2 stops16h 33m
United Airlines
Deal found £463
Sun 29/310:41
CMH
-
EDI
1 stop18h 54m
United Airlines
Wed 8/409:00
EDI
-
CMH
1 stop16h 52m
United Airlines
Deal found £467

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 4 February 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
9,236 reviews
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Overview

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

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, 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 Miami to Washington, D.C. Dulles Intl, which is £66. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Chicago O'Hare Intl to Memphis (0 stops) for £34.

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