Find flights
Deals
Reviews
FAQs
Flight Tracker

Cheap Southwest flights

LHR
23 Jun — 30 Jun1
1 adult

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 18 June 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

1h 05m

Longest Flight

9h 50m
Flying from San Diego to San Francisco
Search Deals
Flying from Las Vegas Harry Reid Intl to Los Angeles
Search Deals
Flying from Las Vegas Harry Reid Intl to Ontario
Search Deals
Flying from Boston Logan Intl to Chicago O'Hare Intl
Search Deals

Southwest Reviews

Read reviews and feedback from other travellers about their experiences with Southwest sourced from user searches. These reviews were last updated on 18 June 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
4,279 reviews
Check prices
Overview

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Boarding

8.2
Pros +
  • Really funny flight attendant. (in 563 reviews)
  • "Very smooth flight, no issues." (in 554 reviews)
  • Flight was early and smooth. (in 547 reviews)
Cons -
  • Arrived ten minutes 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 San Diego to San Francisco, which is £42. This round-trip flight has 0 stops. For a one-way domestic Southwest flight, the cheapest route is Las Vegas Harry Reid Intl to Salt Lake City (0 stops) for £29.

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 Southwest flight tracker

Track Southwest flights in real-time using the flight tracker tool, providing live updates on flight schedules, departure, and arrival times.
Wed 6/18

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.
Site
©2025 Cheapflights