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Cheap Southwest flights

LHR
17 Oct — 24 Oct1
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 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£56

Most Popular Route

SAN to SFO

Shortest flight

0h 50m

Longest Flight

9h 40m
Flying from San Diego to San Francisco
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Flying from San Diego to San Francisco
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Flying from Kona Intl to Honolulu
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Flying from New York LaGuardia to Raleigh-Durham
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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 September 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
4,242 reviews
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Overview

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6
Pros +
  • The crew was very friendly and courteous. (in 567 reviews)
  • Really funny flight attendant. (in 678 reviews)
  • "Quiet, dark and arrived early!" (in 88 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 Dallas Love Field, Denver Intl, and Phoenix Sky Harbor Intl 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 £56. 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 £21.

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