Find flights
Deals
Reviews
FAQs
Flight Tracker

Cheap United Airlines flights

LHR
17 May — 24 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 17 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£72

Most Popular Route

AUS to SFO

Shortest flight

0h 52m

Longest Flight

9h 57m
Flying from Los Angeles Los Angeles to Las Vegas Harry Reid Intl
Search Deals
Flying from Austin Bergstrom to San Francisco
Search Deals
Flying from Denver Intl to Cheyenne
Search Deals
Flying from Nashville Intl to Toronto Pearson Intl
Search Deals

Find United Airlines flight deals

Enter your travel dates to find the best prices.

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 17 April 2026.

Wed 3/614:55
YTZ
-
LHR
2 stops13h 25m
United Airlines
Sat 13/606:50
LHR
-
YTZ
2 stops18h 19m
United Airlines
Deal found £500
Sat 6/614:55
YTZ
-
LHR
1 stop14h 45m
United Airlines
Sat 13/606:50
LHR
-
YTZ
2 stops18h 19m
United Airlines
Deal found £503
Sat 9/515:00
YYZ
-
LHR
1 stop13h 20m
United Airlines
Wed 27/510:50
LHR
-
YYZ
2 stops16h 33m
United Airlines
Deal found £506

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 17 April 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
9,602 reviews
Check prices
Overview

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    The most popular airports for United Airlines are Denver Intl, Los Angeles Los Angeles, 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 Los Angeles Los Angeles to Las Vegas Harry Reid Intl, which is £72. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is Columbus to Washington, D.C. Dulles Intl (0 stops) for £36.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Real-time United Airlines flight tracker

Track United Airlines flights in real-time using the flight tracker tool, providing live updates on flight schedules, departure, and arrival times.
YYYY-MM-DD

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.