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Cheap Southwest flights

YYZ
1 May — 8 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 1 April 2026. In the last 7 days, Cheapflights users made a total of 629,999 searches.

Cheapest Route

C$ 128

Most Popular Route

PHX to LAX

Shortest Flight

0h 40m

Longest Flight

12h 30m
Flying from Kona Intl to Honolulu
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Flying from Phoenix Sky Harbor Intl to Los Angeles
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Flying from Kahului to Kona Intl
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Flying from Portland to Oakland
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International Southwest flights
Search for international Southwest flight options. Find affordable international airfare based on user searches. Data last updated 1 April 2026.

Sun 26/47:30 a.m.
CMH
-
CUN
Nonstop3h 30m
Southwest
Wed 29/41:20 p.m.
CUN
-
CMH
1 stop7h 40m
Southwest
Deal found C$ 676
Sun 26/47:30 a.m.
CMH
-
CUN
Nonstop3h 30m
Southwest
Sun 3/511:55 a.m.
CUN
-
CMH
Nonstop3h 20m
Southwest
Deal found C$ 786
Sun 10/56:00 a.m.
CMH
-
CUN
1 stop10h 55m
Southwest
Sun 17/511:55 a.m.
CUN
-
CMH
Nonstop3h 20m
Southwest
Deal found C$ 788

Southwest Reviews

Read reviews and feedback from other travelers about their experiences with Southwest sourced from user searches. These reviews were last updated on 1 April 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Southwest
8.0
Very good
4,334 reviews
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Overview

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Frequently asked questions about Southwest

  • What are the most popular Southwest airports?

    Based on flight volume data, Phoenix Sky Harbor Intl is the most popular airport that Southwest uses. Denver Intl and Las Vegas Harry Reid Intl are the next two most visited by Southwest.

  • What is Southwest’s cheapest domestic flight?

    A flight from Kona Intl to Honolulu, which has 1 stop, is C$ 128 which is the least expensive round-trip domestic flight that Southwest offers. For a one-way domestic Southwest flight, the cheapest route is Kahului to Kona Intl (0 stops) for C$ 61.

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