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Cheap Frontier flights

YYZ
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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

Cheapest Route

C$ 66

Most Popular Route

LAS to LAX

Shortest Flight

1h 07m

Longest Flight

9h 40m
Flying from Las Vegas Harry Reid Intl to San Diego
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from Ontario to Las Vegas Harry Reid Intl
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Flying from San Francisco to Phoenix Sky Harbor 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 15 September 2025.

Fri 20/211:06 a.m.BOS - SJU
1 stop8h 26mFrontier
Sat 28/23:55 a.m.SJU - BOS
1 stop7h 16mFrontier
Deal found C$ 366
Sun 4/110:09 a.m.BOS - SJU
Nonstop3h 48mFrontier
Fri 9/13:55 a.m.SJU - BOS
1 stop7h 56mFrontier
Deal found C$ 873

Frontier Reviews

Read reviews and feedback from other travelers about their experiences with Frontier sourced from user searches. These reviews were last updated on 15 September 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
3,172 reviews
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Overview

Crew

6.7

Boarding

6.1

Entertainment

4.4

Food

4.7

Comfort

5.5
Pros +
  • Smooth flight excellent landing (in 1895 reviews)
  • "Boarding was good, crew was friendly" (in 1649 reviews)
  • On time reliable (in 763 reviews)
Cons -
  • On time not crowded. (in 1257 reviews)
  • Direct 3 hour flight! (in 4167 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, Phoenix Sky Harbor Intl is the most popular airport that Frontier uses. Denver Intl and Orlando are the next two most visited by Frontier.

  • What is Frontier’s cheapest domestic flight?

    A flight from Las Vegas Harry Reid Intl to San Diego, which has 0 stops, is C$ 66 which is the least expensive round-trip domestic flight that Frontier offers. For a one-way domestic Frontier flight, the cheapest route is Atlanta Hartsfield-Jackson to Jacksonville (0 stops) for C$ 29.

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