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Cheap Frontier flights

LHR
19 Oct — 26 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 19 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£29

Most Popular Route

LAS to LAX

Shortest flight

1h 08m

Longest Flight

24h 16m
Flying from Kansas City to Tampa
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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 Minneapolis St Paul to Lambert-St Louis
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International Frontier flights
Search for international Frontier flight options. Find affordable international airfare based on user searches. Data last updated 19 September 2025.

Fri 24/1012:49BOS - SJU
2 stops13h 41mFrontier
Sat 1/1101:59SJU - BOS
2 stops10h 36mFrontier
Deal found £283

Frontier Reviews

Read reviews and feedback from other travellers about their experiences with Frontier sourced from user searches. These reviews were last updated on 19 September 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Frontier
5.8
Fair
3,171 reviews
Check prices
Overview

Comfort

5.5

Entertainment

4.4

Boarding

6.1

Food

4.7

Crew

6.7
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?

    The most popular airports for Frontier are Phoenix Sky Harbor Intl, Denver Intl, and Orlando according to our data. Flights to or from any of these airports should be available via Frontier year-round.

  • What is Frontier’s cheapest domestic flight?

    The cheapest domestic Frontier flight is flying Kansas City to Tampa, which is £29. This round-trip flight has 0 stops. For a one-way domestic Frontier flight, the cheapest route is Denver Intl to Oklahoma City Will Rogers World (0 stops) for £14.

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