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Cheap Frontier flights

YYZ
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

Frontier information

Discover detailed information about Frontier flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 10 December 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches.

Cheapest Route

C$ 65

Most Popular Route

LAS to LAX

Shortest Flight

1h 09m

Longest Flight

17h 41m
Flying from Ontario to Las Vegas Harry Reid Intl
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from Las Vegas Harry Reid Intl to Ontario
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Flying from San Francisco to Las Vegas Harry Reid Intl
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International Frontier flights
Search for international Frontier flight options. Find affordable international airfare based on user searches. Data last updated 10 December 2025.

Sun 4/16:00 a.m.BOS - SJU
1 stop8h 01mFrontier
Sat 10/15:58 p.m.SJU - BOS
1 stop8h 21mFrontier
Deal found C$ 368
Fri 20/210:24 a.m.BOS - SJU
Nonstop4h 04mFrontier
Sun 1/36:00 a.m.SJU - BOS
Nonstop4h 23mFrontier
Deal found C$ 439

Frontier Reviews

Read reviews and feedback from other travelers about their experiences with Frontier sourced from user searches. These reviews were last updated on 10 December 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Frontier
5.8
Fair
3,085 reviews
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Overview

Entertainment

4.4

Crew

6.6

Comfort

5.5

Food

4.6

Boarding

6.0
Pros +
  • Smooth flight excellent landing (in 1895 reviews)
  • Crew was extremely pleasant. (in 1649 reviews)
Cons -
  • Several individuals used foul language 50% of of the 4hr flight. (in 4167 reviews)
  • There was no garbage left from previous flight. (in 4245 reviews)
  • On the ticket it said checked bag. (in 1044 reviews)

Frequently asked questions about Frontier

  • What are the most popular Frontier airports?

    Based on flight volume data, Philadelphia is the most popular airport that Frontier uses. Orlando and Denver Intl are the next two most visited by Frontier.

  • What is Frontier’s cheapest domestic flight?

    A flight from Ontario to Las Vegas Harry Reid Intl, which has 0 stops, is C$ 65 which is the least expensive round-trip domestic flight that Frontier offers. For a one-way domestic Frontier flight, the cheapest route is Denver Intl to El Paso (0 stops) for C$ 26.

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