Cheap Flights from San Antonio International to Phoenix Sky Harbor

Your route at a glance

Cheapest dealR 1,348
Cheapest monthJanuary
Average flight duration2 hours and 34 minutes
Most popular airlineSouthwest Airlines

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Flight deals from San Antonio International to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best return flight from San Antonio International to Phoenix Sky Harbor? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Antonio International to Phoenix Sky Harbor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Phoenix Sky Harbor flights are currently cheapest in January.

Direct flights from San Antonio International to Phoenix Sky Harbor

San Antonio International to Phoenix Sky Harbor: Alternative routes

Compare routes from San Antonio International to Phoenix below. You may find an airport to fly into that's cheaper, faster, or easier than Phoenix Sky Harbor.

Finding cheap flights from San Antonio International to Phoenix Sky Harbor: Frequently asked questions

The best price we found for a return flight from San Antonio International to Phoenix Sky Harbor is R 1,348. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 34 minutes is the average flight time from San Antonio International to Phoenix Sky Harbor.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from San Antonio International to Phoenix Sky Harbor.
As of December 2025, there are 94 flights per week flying from San Antonio International to Phoenix Sky Harbor.
The cheapest month to fly from San Antonio International to Phoenix Sky Harbor is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Phoenix Sky Harbor Airport on Monday, 19 January 2026.
Yes – the average flight time is 2 hours and 34 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix Sky Harbor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

Travelling from San Antonio International Airport (SAT) to Phoenix Sky Harbour International Airport (PHX): what you need to know

  • Around 2 hours 25 minutes is how long you'll be travelling on a direct flight from San Antonio International Airport to Phoenix Sky Harbour International Airport.

  • The timezone in Phoenix is UTC-7, which is two hours behind San Antonio.

  • Take your pick of 57 weekly San Antonio International Airport to Phoenix Sky Harbour International Airport flights. The 05:10 departure with Southwest Airlines is the earliest you can take. Southwest Airlines operates the latest service of the day at 22:40.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your SAT to PHX flight.

  • During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for international flights when you fly during a peak period in general.

  • Travelling to Phoenix (and then exploring more of United States!) is a breeze with American Airlines. This popular airline offers direct flights from San Antonio International Airport to Phoenix Sky Harbour International Airport.

  • Most travellers choose to fly with American Airlines on this route.

  • American Airlines is the most punctual carrier that offers SAT to PHX flights. An exceptional 91.63% of its departures on this route arrive as planned.

  • If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from San Antonio International Airport to Phoenix Sky Harbour International Airport. Here are the top stopovers between SAT and PHX:

    • Albuquerque International Sunport Airport

    • El Paso International Airport

    • William P. Hobby Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Phoenix Sky Harbour International Airport (PHX)

  • The lowest price we've seen for a one-way San Antonio International Airport to Phoenix Sky Harbour International Airport flight is R 590. A round-trip ticket right now is R 1,348. Depending on the availability when you book, these fares may change.

  • Score cheap tickets from SAT to PHX by booking six months ahead. According to our research, that's the sweet spot for finding a bargain.

  • Plan your trip for May. That's the cheapest month for flights from San Antonio International Airport to Phoenix Sky Harbour International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across each month.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update as soon as the price changes on cheap flights from SAT to PHX.

  • Tailor your flights using filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from San Antonio International Airport to Phoenix Sky Harbour International Airport.

Handy information about San Antonio International Airport (SAT)

  • SAT is located at 9800 Airport Boulevard.

  • 83.17% of flights departing from San Antonio International Airport land at their destination as planned. Given its solid on-time performance, you're unlikely to experience delays when setting off from SAT.

  • To get to San Antonio International Airport from central San Antonio, it takes around 20 minutes if you're travelling by car. This depends on traffic, however. It's approximately 19 kilometres from the airport to the city centre.

  • The trip on public transport typically takes 1 hour 30 minutes.

  • Catching an early flight from San Antonio International Airport to Phoenix Sky Harbour International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by choosing one of these stays close to SAT:

Arriving at Phoenix Sky Harbour International Airport (PHX)

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

  • PHX is located at 3400 Sky Harbour Boulevard.

  • Phoenix Sky Harbour International Airport is approximately 8 kilometres from central Phoenix. The drive time takes about 10 minutes.

  • Travelling by public transport typically takes 35 minutes.

When to fly to Phoenix Sky Harbour International Airport (PHX)

  • The quietest month for a flight from San Antonio International Airport to Phoenix Sky Harbour International Airport is May, while July is the most popular. Pick the best time to visit Phoenix based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Phoenix is July, with the temperature ranging between 26ºC (79ºF) and 44ºC (111ºF). Book your flights from San Antonio International Airport to Phoenix Sky Harbour International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 4ºC (39ºF) and 20ºC (68ºF). Search for cheap tickets from SAT to PHX sometime then if you like cooler conditions.

Explore more of United States

  • San Diego is just one of the many places in United States waiting to be discovered after you've seen Phoenix. Around 483 kilometres away to the west, well-known attractions include San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

  • Around 418 kilometres north-west of Phoenix, Las Vegas is another favourite stop in United States. Get a taste of what this destination has to offer at Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.