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Cheap Allegiant Air flights

LHR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Allegiant Air information

Discover detailed information about Allegiant Air flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 23 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£43

Most Popular Route

MRY to LAS

Shortest flight

1h 15m

Longest Flight

3h 15m
Flying from Fort Lauderdale to Columbia Metropolitan
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Allegiant Air Reviews

Read reviews and feedback from other travellers about their experiences with Allegiant Air sourced from user searches. These reviews were last updated on 23 March 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Allegiant Air
7.3
Good
710 reviews
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Overview

Crew

8.1

Boarding

7.6

Food

5.9

Comfort

6.9

Entertainment

5.5

Frequently asked questions about Allegiant Air

  • What are the most popular Allegiant Air airports?

    The most popular airports for Allegiant Air are Asheville Regional, Fort Lauderdale, and Knoxville McGhee Tyson according to our data. Flights to or from any of these airports should be available via Allegiant Air year-round.

  • What is Allegiant Air’s cheapest domestic flight?

    The cheapest domestic Allegiant Air flight is flying Fort Lauderdale to Columbia Metropolitan, which is £43. This round-trip flight has 0 stops. For a one-way domestic Allegiant Air flight, the cheapest route is Provo to Santa Ana J. Wayne/Orange Cnty (0 stops) for £21.

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