Cheap United Airlines flights

LHR
14 Nov — 21 Nov1
1 adult
1 adult, Economy, 0 bags

United Airlines information

Cheapest Route

£85

Most Popular Route

ONT to SFO

Shortest flight

1h 00m

Longest Flight

16h 47m
Flying from San Francisco to Las Vegas Harry Reid Intl
Flying from Ontario to San Francisco
Flying from Denver Intl to Scottsbluff Scotts Bluff County
Flying from Phoenix Sky Harbor Intl to Calgary

Find United Airlines flight deals

Enter your travel dates to find the best prices.

Cheapest United Airlines flights

Wed 24/211:30 -
1 stop18h 30m
Fri 26/209:00 -
2 stops20h 34m
Deal found £569
Tue 2/317:20 -
1 stop34h 20m
Fri 5/306:50 -
2 stops22h 44m
Deal found £577
Mon 7/1207:10 -
2 stops18h 45m
Wed 9/1209:25 -
2 stops20h 24m
Deal found £980

United Airlines Reviews

United Airlines
7.4
Good
10,000 reviews
Overview

Boarding

7.7

Entertainment

7.1

Food

6.7

Crew

8.1

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, San Francisco, 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 Francisco to Las Vegas Harry Reid Intl, which is £85. This round-trip flight has 0 stops. For a one-way domestic United Airlines flight, the cheapest route is San Francisco to Santa Barbara (0 stops) for £45.

Browse thousands of different options on Cheapflights for your next trip

Real-time United Airlines flight tracker

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.