Find flights
Deals
Reviews
FAQs
Flight Tracker

Cheap Allegiant Air flights

LHR
11 Jan — 18 Jan1
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 12 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£27

Most Popular Route

ICT to LAS

Shortest flight

1h 26m

Longest Flight

4h 37m
Flying from Louisville Intl to Punta Gorda
Search Deals
Flying from Wichita Eisenhower National to Las Vegas Harry Reid Intl
Search Deals
Flying from Greenville to Orlando Sanford Intl
Search Deals
Flying from Pittsburgh to Phoenix Sky Harbor Intl
Search Deals

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 12 December 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Allegiant Air
7.2
Good
699 reviews
Check prices
Overview

Boarding

7.6

Food

5.9

Entertainment

5.5

Crew

8.1

Comfort

6.8
Pros +
  • They made the flight home very enjoyable. (in 119 reviews)
  • The crew was super nice and helpful. (in 120 reviews)

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 Louisville Intl to Punta Gorda, which is £27. This round-trip flight has 0 stops. For a one-way domestic Allegiant Air flight, the cheapest route is Columbia Metropolitan to Orlando Sanford Intl (0 stops) for £25.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Real-time Allegiant Air flight tracker

Track Allegiant Air flights in real-time using the flight tracker tool, providing live updates on flight schedules, departure, and arrival times.
YYYY-MM-DD

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.