Find cheap Southwest flights to Phoenix Sky Harbor Intl Airport
RDU — PHX
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Cheapest Southwest flights from USA to Sky Harbor IntlExplore the most affordable Southwest flight options available from USA to Sky Harbor Intl. Find the lowest fares with prices last updated on July 27, 2026.
Explore the most affordable Southwest flight options available from USA to Sky Harbor Intl. Find the lowest fares with prices last updated on July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
SFO
- PHX
Nonstop2h 00m
Southwest
Mon 8/248:05 am
PHX
- SFO
Nonstop2h 05m
Southwest
Deal found 7/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am
SEA
- PHX
Nonstop2h 45m
Southwest
Wed 8/263:35 pm
PHX
- SEA
1 stop4h 40m
Southwest
Deal found 7/24![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:40 am
SEA
- PHX
1 stop6h 15m
Southwest
Fri 8/219:45 pm
PHX
- SEA
Nonstop2h 55m
Southwest
Deal found 7/24![Southwest logo]()
$207
Best Southwest flights from USA to Sky Harbor IntlDiscover carefully curated Southwest flight deals from USA to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated Southwest flight deals from USA to Sky Harbor Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:25 pm
SFO
- PHX
Nonstop2h 05m
Southwest
Mon 8/319:10 pm
PHX
- SFO
Nonstop1h 55m
Southwest
Deal found 7/26![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am
SFO
- PHX
Nonstop2h 00m
Southwest
Fri 11/1310:25 pm
PHX
- SFO
Nonstop2h 10m
Southwest
Deal found 7/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:40 am
SFO
- PHX
Nonstop2h 00m
Southwest
Sat 8/293:35 pm
PHX
- SFO
Nonstop1h 55m
Southwest
Deal found 7/22![Southwest logo]()
$207
Direct Southwest flights from USA to Sky Harbor IntlExplore non-stop Southwest flight options from USA to Sky Harbor Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
Explore non-stop Southwest flight options from USA to Sky Harbor Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
SFO
- PHX
Nonstop2h 00m
Southwest
Mon 8/248:05 am
PHX
- SFO
Nonstop2h 05m
Southwest
Deal found 7/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 am
SFO
- PHX
Nonstop1h 55m
Southwest
Mon 10/1210:35 pm
PHX
- SFO
Nonstop2h 00m
Southwest
Deal found 7/25![Southwest logo]()
$202
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:10 am
SEA
- PHX
Nonstop2h 55m
Southwest
Wed 9/302:30 pm
PHX
- SEA
Nonstop3h 00m
Southwest
Deal found 7/25![Southwest logo]()
$207
Last-minute Southwest flights from USA to Sky Harbor IntlDiscover last-minute Southwest flight deals from USA to Sky Harbor Intl. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute Southwest flight deals from USA to Sky Harbor Intl. Data last updated July 27, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
SFO
- PHX
Nonstop2h 00m
Southwest
Mon 8/248:05 am
PHX
- SFO
Nonstop2h 05m
Southwest
Deal found 7/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am
SEA
- PHX
Nonstop2h 45m
Southwest
Wed 8/263:35 pm
PHX
- SEA
1 stop4h 40m
Southwest
Deal found 7/24![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:40 am
SEA
- PHX
1 stop6h 15m
Southwest
Fri 8/219:45 pm
PHX
- SEA
Nonstop2h 55m
Southwest
Deal found 7/24![Southwest logo]()
$207
One-way Southwest flights to Sky Harbor IntlSearch for one-way Southwest flight options to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way Southwest flight options to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:40 am
SFO
- PHX
Nonstop2h 10m
Southwest
Deal found 7/27![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
SFO
- PHX
Nonstop2h 00m
Southwest
Deal found 7/22![Southwest logo]()
$104
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:40 am
DEN
- PHX
Nonstop1h 55m
Southwest
Deal found 7/26![Southwest logo]()
$109
Flights to Phoenix Sky Harbor Intl Airport with Southwest at a glance
Find detailed information about Southwest flights from USA to Sky Harbor Intl. Explore the options provided by Southwest to plan your journey from USA to Sky Harbor Intl. Data last updated July 27, 2026.
Cheapflights Insights
Find cheap Southwest flights to Phoenix Sky Harbor Intl Airport
US0-PHX
SFO-PHX
SEA-PHX
DEN-PHX
How long is the flight to Phoenix Sky Harbor Intl Airport with Southwest?
On average, Southwest flights from the United States to Phoenix Sky Harbor Intl Airport take 4 hours 1 minute. Flights to Phoenix Sky Harbor Intl Airport from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
Southwest weekly flight availability to Phoenix Sky Harbor Intl Airport
The most flights to Phoenix Sky Harbor Intl Airport operated by Southwest are scheduled on a Monday (178 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (141 on average).
When is the best time to book a flight to Phoenix Sky Harbor Intl Airport with Southwest?
The best time to book a flight to Phoenix Sky Harbor Intl Airport with Southwest is 38 days before departure. On average, fares are higher if you book on the same day as departure.
When is the cheapest time to fly to Phoenix Sky Harbor Intl Airport with Southwest?
Users looking for the cheapest Southwest fares to Phoenix Sky Harbor Intl Airport should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.
FAQs about flights to Phoenix Sky Harbor Intl Airport with Southwest
Reviews of Southwest
See what Cheapflights users have to say about their Southwest experience.
Overview
Reviews
Southwest
4,229 reviews
Overview
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Recent reviews
10.0
|Jul 2026Good
8.0
|Jun 2026One delay in a 2 layover flight=a good trip. The crew was great.
6.0
|Jun 2026The seats were super cramped and couldn’t move without hitting other passengers
8.0
|Jun 2026The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
10.0
|Jun 2026On time and no problems
1 out of 1410
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