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Cheap Frontier flights

YYZ
2 Jan — 9 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 3 December 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches.

Cheapest Route

C$ 53

Most Popular Route

LAS to LAX

Shortest Flight

1h 07m

Longest Flight

28h 15m
Flying from Las Vegas Harry Reid Intl to Ontario
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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 Houston George Bush Intcntl to Chicago Midway
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International Frontier flights
Search for international Frontier flight options. Find affordable international airfare based on user searches. Data last updated 3 December 2025.

Sun 4/110:18 a.m.BOS - SJU
Nonstop4h 04mFrontier
Sat 10/15:58 p.m.SJU - BOS
1 stop8h 21mFrontier
Deal found C$ 294
Fri 27/211:06 a.m.BOS - SJU
1 stop21h 49mFrontier
Sat 7/32:42 p.m.SJU - BOS
1 stop20h 10mFrontier
Deal found C$ 316
Thu 26/210:24 a.m.BOS - SJU
Nonstop4h 04mFrontier
Sat 7/34:06 p.m.SJU - BOS
1 stop9h 58mFrontier
Deal found C$ 322

Frontier Reviews

Read reviews and feedback from other travelers about their experiences with Frontier sourced from user searches. These reviews were last updated on 3 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
3,092 reviews
Check prices
Overview

Entertainment

4.4

Comfort

5.5

Crew

6.7

Food

4.6

Boarding

6.0
Pros +
  • Smooth flight excellent landing (in 1895 reviews)
  • Flight was on time and crew were good (in 763 reviews)
  • Crew was extremely pleasant. (in 1649 reviews)
Cons -
  • There was no garbage left from previous flight. (in 4245 reviews)
  • Separate the individuals on the 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, 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 Las Vegas Harry Reid Intl to Ontario, which has 0 stops, is C$ 53 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 Oklahoma City Will Rogers World (0 stops) for C$ 32.

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