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Cheap Southwest flights

LHR
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Southwest information

Discover detailed information about Southwest flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 17 October 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£42

Most Popular Route

LAS to LAX

Shortest flight

0h 45m

Longest Flight

11h 00m
Flying from Las Vegas Harry Reid Intl to Reno
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Flying from Las Vegas Harry Reid Intl to Los Angeles
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Flying from Kona Intl to Kahului
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Flying from Boston Logan Intl to Savannah/Hilton Head
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Southwest Reviews

Read reviews and feedback from other travellers about their experiences with Southwest sourced from user searches. These reviews were last updated on 17 October 2025 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Southwest
8.0
Very Good
4,243 reviews
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Overview

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0
Pros +
  • The crew was very friendly and courteous. (in 567 reviews)
  • Really funny flight attendant. (in 678 reviews)
Cons -
  • We left on time and got to our destination early (in 42 reviews)
  • WiFi was terrible. (in 156 reviews)
  • A on time flight. (in 833 reviews)

Frequently asked questions about Southwest

  • What are the most popular Southwest airports?

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

  • What is Southwest’s cheapest domestic flight?

    The cheapest domestic Southwest flight is flying Las Vegas Harry Reid Intl to Reno, which is £42. This round-trip flight has 0 stops. For a one-way domestic Southwest flight, the cheapest route is Burbank Bob Hope to Las Vegas Harry Reid Intl (0 stops) for £22.

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