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Cheap Frontier flights

SIN
15 Mar — 22 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 13 February 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches.

Cheapest Route

S$ 62

Most Popular Route

PHX to LAX

Shortest Flight

1h 04m

Longest Flight

22h 46m
Flying from Phoenix Sky Harbor Intl to Los Angeles
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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 Seattle/Tacoma Intl to Phoenix Sky Harbor Intl
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Frontier Reviews

Read reviews and feedback from other travellers about their experiences with Frontier sourced from user searches. These reviews were last updated on 13 February 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Frontier
5.7
Fair
3,053 reviews
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Overview

Entertainment

4.3

Comfort

5.5

Food

4.6

Boarding

6.0

Crew

6.6

Frequently asked questions about Frontier

  • What are the most popular Frontier airports?

    Philadelphia, Orlando, and Tampa are the top three Frontier airports based on our airline data. This may change if Frontier makes updates to their flight routes due to supply and demand.

  • What is Frontier’s cheapest domestic flight?

    A flight from Phoenix Sky Harbor Intl to Los Angeles, which has 0 stops, is S$ 62 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 S$ 28.

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