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Cheap Southwest flights

SIN
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags

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 24 April 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches.

Cheapest Route

S$ 117

Most Popular Route

PHX to LAX

Shortest Flight

0h 50m

Longest Flight

8h 30m
Flying from San Diego to Spokane
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Flying from Phoenix Sky Harbor Intl to Los Angeles Los Angeles
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Flying from Honolulu to Kahului
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Flying from San Francisco to Los Angeles Los Angeles
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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 24 April 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Southwest
8.0
Very Good
4,331 reviews
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Overview

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Frequently asked questions about Southwest

  • What are the most popular Southwest airports?

    Phoenix Sky Harbor Intl, Las Vegas Harry Reid Intl, and San Jose are the top three Southwest airports based on our airline data. This may change if Southwest makes updates to their flight routes due to supply and demand.

  • What is Southwest’s cheapest domestic flight?

    A flight from San Diego to Spokane, which has 0 stops, is S$ 117 which is the least expensive round-trip domestic flight that Southwest offers. For a one-way domestic Southwest flight, the cheapest route is Spokane to San Diego (0 stops) for S$ 59.

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