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Cheap United Airlines flights

LHR
9 Aug — 16 Aug1
1 adult

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 August 2025. 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

0h 57m

Longest Flight

7h 30m
Flying from San Francisco to San Diego
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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 Raleigh-Durham to Rochester Greater Rochester 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 August 2025.

Thu 2/1007:00CMH - LHR
3 stops21h 35mUnited Airlines
Tue 7/1014:05LHR - CMH
2 stops28h 12mUnited Airlines
Deal found £418
Wed 10/909:20CMH - MAN
1 stop20h 00mUnited Airlines
Wed 17/911:25MAN - CMH
2 stops17h 18mUnited Airlines
Deal found £490
Tue 21/1014:17CMH - EDI
1 stop13h 08mUnited Airlines
Tue 28/1008:25EDI - CMH
2 stops14h 32mUnited Airlines
Deal found £605

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 August 2025 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
8,909 reviews
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Overview

Food

6.6

Crew

8.1

Entertainment

7.0

Boarding

7.7

Comfort

7.3
Pros +
  • "Everything was cool, smooth flight." (in 2442 reviews)
  • The flight arrived early and that was great (in 143 reviews)
  • Flight was quick and easy. (in 2395 reviews)
Cons -
  • Customer service was very poor. (in 236 reviews)
  • I will Never fly on them Again! (in 554 reviews)
  • Entertainment wasn’t working well at all (in 1245 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are Chicago O'Hare Intl, Newark, and San Francisco 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 Francisco to San Diego, which is £66. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Washington, D.C. Dulles Intl to South Bend/Michiana (0 stops) for £33.

  • What is United Airlines’s cheapest international flight?

    The least expensive round-trip international United Airlines flight is: -Calgary to Denver Intl, -0 stops, -£102 per ticket

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