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Cheap Southwest flights

HKG
7 Aug — 14 Aug1
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 8 July 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches.

Cheapest Route

HK$753

Most Popular Route

SAN to SFO

Shortest Flight

0h 45m

Longest Flight

9h 45m
Flying from Harlingen Valley Intl to Austin Bergstrom
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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 8 July 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 70,647 searches.
Southwest
7.9
Good
4,249 reviews
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Overview

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Frequently asked questions about Southwest

  • What are the most popular Southwest airports?

    The most popular airports for Southwest are Phoenix Sky Harbor Intl, Denver 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 Harlingen Valley Intl to Austin Bergstrom, which is HK$753. This round-trip flight has 0 stops. For a one-way domestic Southwest flight, the cheapest route is Austin Bergstrom to Harlingen Valley Intl (0 stops) for HK$376.

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