Find flights
Deals
Reviews
FAQs
Flight Tracker

Cheap United Airlines flights

YYZ
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 September 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches.

Cheapest Route

C$ 99

Most Popular Route

RNO to LAX

Shortest Flight

0h 59m

Longest Flight

12h 32m
Flying from Ontario to San Francisco
Search Deals
Flying from Reno to Los Angeles
Search Deals
Flying from Colorado Springs to Denver Intl
Search Deals
Flying from Baltimore/Washington to Guatemala City La Aurora
Search Deals

Find United Airlines flight deals

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 September 2025.

Tue 7/106:00 a.m.BOS - YYC
2 stops17h 48mUnited Airlines
Sat 11/101:30 p.m.YYC - BOS
2 stops18h 26mUnited Airlines
Deal found C$ 310
Fri 3/107:13 p.m.BOS - YVR
1 stop17h 38mUnited Airlines
Sat 4/101:45 p.m.YVR - BOS
1 stop18h 17mUnited Airlines
Deal found C$ 312
Wed 15/106:00 a.m.BOS - YYC
2 stops17h 48mUnited Airlines
Wed 22/1012:38 p.m.YYC - BOS
1 stop10h 12mUnited Airlines
Deal found C$ 318

United Airlines Reviews

Read reviews and feedback from other travelers about their experiences with United Airlines sourced from user searches. These reviews were last updated on 17 September 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 629,999 searches.
United Airlines
7.4
Good
8,926 reviews
Check prices
Overview

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1
Pros +
  • The flight arrived early and that was great (in 143 reviews)
  • Flight was quick and easy. (in 2395 reviews)
  • "Great crew, comfortable and clean flight." (in 2084 reviews)
Cons -
  • Customer service was very poor. (in 236 reviews)
  • I will Never fly on them Again! (in 554 reviews)
  • Dinner time flight no food. (in 5027 reviews)

Frequently asked questions about United Airlines

  • What are the most popular United Airlines airports?

    Based on flight volume data, Chicago O'Hare Intl is the most popular airport that United Airlines uses. Newark and San Francisco are the next two most visited by United Airlines.

  • What is United Airlines’s cheapest domestic flight?

    A flight from Ontario to San Francisco, which has 0 stops, is C$ 99 which is the least expensive round-trip domestic flight that United Airlines offers. For a one-way domestic United Airlines flight, the cheapest route is Ontario to San Francisco (0 stops) for C$ 54.

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.
Wed 9/17

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.