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Cheap Frontier flights

YYZ
28 Feb — 7 Mar1
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 29 January 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches.

Cheapest Route

C$ 69

Most Popular Route

PHX to LAX

Shortest Flight

1h 06m

Longest Flight

28h 06m
Flying from Los Angeles to Phoenix Sky Harbor Intl
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Flying from Phoenix Sky Harbor Intl to Los Angeles
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Flying from Las Vegas Harry Reid Intl to Ontario
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Flying from Cincinnati Cinci./N. Kentucky to Baltimore/Washington
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International Frontier flights
Search for international Frontier flight options. Find affordable international airfare based on user searches. Data last updated 29 January 2026.

Fri 20/210:04 a.m.
BOS
-
SJU
Nonstop3h 56m
Frontier
Sun 1/36:00 a.m.
SJU
-
BOS
Nonstop4h 19m
Frontier
Deal found C$ 395

Frontier Reviews

Read reviews and feedback from other travelers about their experiences with Frontier sourced from user searches. These reviews were last updated on 29 January 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Frontier
5.7
Fair
3,056 reviews
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Overview

Entertainment

4.3

Crew

6.6

Comfort

5.5

Boarding

6.0

Food

4.6

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 Tampa are the next two most visited by Frontier.

  • What is Frontier’s cheapest domestic flight?

    A flight from Los Angeles to Phoenix Sky Harbor Intl, which has 0 stops, is C$ 69 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$ 30.

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