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Cheap flights from San Diego to Phoenix Sky Harbor

Compare San Diego to Phoenix Sky Harbor flight deals

Find the cheapest month or even day of the year to fly to Phoenix Sky Harbor

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Flight deals from San Diego to Phoenix Sky Harbor Airport

Looking for a cheap last-minute deal or the best round-trip flight from San Diego to Phoenix Sky Harbor Airport? If you want to travel next month, round-trip fares start from $46. Find the lowest prices on one-way and round-trip tickets right here.
Phoenix.$46 per passenger.Departing Mon, Apr 27, returning Mon, May 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Mon, Apr 27, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Mon, May 4, arriving in San Diego International.Price includes taxes and charges.From $46, select.
Phoenix.$46 per passenger.Departing Mon, May 11, returning Wed, May 13.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Mon, May 11, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Wed, May 13, arriving in San Diego International.Price includes taxes and charges.From $46, select.
Phoenix.$46 per passenger.Departing Sat, Apr 11, returning Wed, Apr 15.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Sat, Apr 11, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Wed, Apr 15, arriving in San Diego International.Price includes taxes and charges.From $46, select.
Phoenix.$111 per passenger.Departing Thu, Jun 4, returning Thu, Jun 11.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Thu, Jun 4, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Thu, Jun 11, arriving in San Diego International.Price includes taxes and charges.From $111, select.
Phoenix.$118 per passenger.Departing Tue, Mar 31, returning Tue, Apr 7.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Mar 31, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Apr 7, arriving in San Diego International.Price includes taxes and charges.From $118, select.
Phoenix.$125 per passenger.Departing Thu, Jul 2, returning Sun, Jul 5.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Thu, Jul 2, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sun, Jul 5, arriving in San Diego International.Price includes taxes and charges.From $125, select.
Phoenix.$126 per passenger.Departing Fri, Jul 31, returning Sun, Aug 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Fri, Jul 31, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sun, Aug 2, arriving in San Diego International.Price includes taxes and charges.From $126, select.
Phoenix.$126 per passenger.Departing Fri, Sep 4, returning Sun, Sep 6.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Fri, Sep 4, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sun, Sep 6, arriving in San Diego International.Price includes taxes and charges.From $126, select.
Phoenix.$147 per passenger.Departing Mon, Jun 29, returning Thu, Jul 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Mon, Jun 29, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Thu, Jul 2, arriving in San Diego International.Price includes taxes and charges.From $147, select.
Phoenix.$170 per passenger.Departing Sun, Mar 29, returning Tue, Mar 31.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Sun, Mar 29, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Mar 31, arriving in San Diego International.Price includes taxes and charges.From $170, select.
Phoenix.$216 per passenger.Departing Mon, Oct 12, returning Sun, Oct 18.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Diego International on Mon, Oct 12, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Sun, Oct 18, arriving in San Diego International.Price includes taxes and charges.From $216, select.
Phoenix.$255 per passenger.Departing Mon, Dec 28, returning Wed, Dec 30.Round-trip flight with United.Outbound indirect flight with United, departing from San Diego International on Mon, Dec 28, arriving in Phoenix Sky Harbor.Inbound indirect flight with United, departing from Phoenix Sky Harbor on Wed, Dec 30, arriving in San Diego International.Price includes taxes and charges.From $255, select.
Phoenix.$255 per passenger.Departing Fri, Aug 14, returning Fri, Aug 21.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from San Diego International on Fri, Aug 14, arriving in Phoenix Sky Harbor.Inbound direct flight with Southwest Airlines departing from Phoenix Sky Harbor on Fri, Aug 21, arriving in San Diego International.Price includes taxes and charges.From $255, select.
Phoenix.$300 per passenger.Departing Mon, Dec 28, returning Wed, Dec 30.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Diego International on Mon, Dec 28, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Wed, Dec 30, arriving in San Diego International.Price includes taxes and charges.From $300, select.

Find the cheapest month to fly from San Diego 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 Diego to Phoenix Sky Harbor flights are currently cheapest in April.
Mar
from $171
Apr
from $46
May
from $46
Jun
from $112
Jul
from $126
Aug
from $256
Sep
from $126
Oct
from $217
Nov
Find prices
Dec
from $257
Jan
Find prices
Feb
Find prices

Direct flights from San Diego to Phoenix Sky Harbor

San Diego to Phoenix Sky Harbor: Alternative routes

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

Phoenix Sky Harbor

6km from central Phoenix
ClosestCheapest
from $46
Search flights

Phoenix Scottsdale Municipal

24km from central Phoenix
Search flights

Phoenix-Deer Valley

27km from central Phoenix
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Phoenix-Mesa Gateway

42km from central Phoenix
from $282
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Check out these Phoenix hotels

Ready to plan your stay? Other travelers rate these Phoenix hotels for cleanliness, service, and location.
The Global Ambassador
10.61 km from city center
$1,107
Per night
Home2 Suites By Hilton Phoenix North Happy Valley
29.28 km from city center
$239
Per night
Holiday Inn Express & Suites Phoenix North - Happy Valley by IHG
29.28 km from city center
$207
Per night
The Global Ambassador
10.61 km from city center
$1,107
Per night
Home2 Suites By Hilton Phoenix North Happy Valley
29.28 km from city center
$239
Per night
Holiday Inn Express & Suites Phoenix North - Happy Valley by IHG
29.28 km from city center
$207
Per night
Explore top-rated hotels

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

The best price we found for a round-trip flight from San Diego to Phoenix Sky Harbor is $46. 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.
1 hour and 25 minutes is the average flight time from San Diego to Phoenix Sky Harbor.
Southwest Airlines, American Airlines and Alaska Airlines fly direct from San Diego to Phoenix Sky Harbor.
There are 317 flights per week flying from San Diego to Phoenix Sky Harbor, as of March 2026.
The cheapest month to fly from San Diego to Phoenix Sky Harbor is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Phoenix Sky Harbor Airport on Saturday, April 11, 2026.
Yes – the average flight time is 1 hour and 25 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.
The cheapest airline that flies to Phoenix Sky Harbor is Frontier Airlines.

Traveling from San Diego to Phoenix Sky Harbor International Airport (PHX): What you need to know

  • Begin your travels at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Phoenix Sky Harbor International Airport (PHX) taking off from either of these.

  • Around 1 hour 25 minutes is how long you can expect to be traveling on a direct San Diego to Phoenix Sky Harbor International Airport flight.

  • Phoenix Sky Harbor International Airport is located in Phoenix. The city's timezone is UTC-7 — the same as San Diego.

  • San Diego International Airport (SAN) to Phoenix Sky Harbor International Airport (PHX) is the most popular route. There are 75 direct weekly departures to pick from. If you have things to do before leaving, take the last flight with Southwest Airlines at 10pm. Choose the first SAN to PHX departure operated by American Airlines at 6:15am if you want to get going earlier.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your flight from San Diego to PHX.

  • In peak travel periods, allow for longer queues and get there earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international trips.

Airports in San Diego

San Diego International Airport (SAN)

  • You can take a direct flight from San Diego to Phoenix Sky Harbor International Airport (PHX) out of San Diego International Airport (SAN).

  • Popular airlines that operate direct flights from San Diego to Phoenix Sky Harbor International Airport departing SAN include:

  • The airline most travelers choose when flying between SAN and PHX is Southwest Airlines.

  • American Airlines is the most punctual carrier on this route.

  • SAN is about 5 kilometers from central San Diego. If you're catching a cab, driving or ride-sharing from the center, it'll take 10 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 20 minutes.

  • Have an early flight from San Diego to Phoenix Sky Harbor International Airport? Avoid the last-minute rush to the terminal (and get some bonus sleep) by choosing one of these stays close to San Diego International Airport:

  • When it comes to the on-time performance of San Diego International Airport, data shows 71.38% of flights arrive within the scheduled time frame.

  • SAN is located at N Harbor Dr.

McClellan-Palomar Airport (CLD)

  • Think about setting out from McClellan-Palomar Airport (CLD). You can book a direct San Diego to Phoenix Sky Harbor International Airport (PHX) plane ticket from this popular hub.

  • American Airlines offers direct flights from San Diego to PHX departing from CLD. Book your favorite window (or aisle) seat and arrive at your destination in a single journey.

  • American Airlines is the most popular choice for passengers flying from CLD to PHX.

  • CLD is about 56 kilometers from central San Diego. It'll take you 40 minutes or so to get to the airport in a car from the city center. Public transport takes approximately 2 hours 15 minutes.

  • Flying out early in the morning? You might like to check in to one of these accommodation options near McClellan-Palomar Airport the day before your San Diego to PHX flight:

About Phoenix Sky Harbor International Airport (PHX)

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

  • Phoenix Sky Harbor International Airport to the center of Phoenix is roughly 6 kilometers. If you're renting a car or taking a cab, do some research to make your trip as easy as possible. Journey times vary depending on the time of day and traffic conditions.

  • It typically takes 35 minutes if you're traveling by public transport.

How to find the cheapest flights from San Diego to Phoenix Sky Harbor International Airport (PHX)

  • $23 is the lowest price for a one-way ticket from San Diego to Phoenix Sky Harbor International Airport. Return flights start from $46. These prices can change depending on demand and availability.

  • Booking early is often the key to finding a cheap flight from San Diego to PHX. Flight prices rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • Cheap San Diego to Phoenix Sky Harbor International Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across each month and then fly out on the cheapest day.

  • Spend less time searching for cheap plane tickets from San Diego to PHX by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Tailor your trip using filters. Pick your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from San Diego to Phoenix Sky Harbor International Airport.

The best time to fly from San Diego to Phoenix Sky Harbor International Airport (PHX)

  • July is the most popular month for flights from San Diego to Phoenix Sky Harbor International Airport (PHX). Visit Phoenix in May for a more laid-back experience.

  • Lock in a San Diego to PHX plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Phoenix to range from 26ºC (79ºF) to 44ºC (111ºF).

  • Search for cheap tickets from San Diego to Phoenix Sky Harbor International Airport in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 20ºC (68ºF).

More about Phoenix

  • Once you've booked your flight from San Diego to Phoenix Sky Harbor International Airport, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Phoenix:

  • Your Phoenix visit wouldn't be complete without a bit of sightseeing. Attractions that should be on your list include Camelback Mountain, Cholla Trailhead Camelback Mountain and Yayoi Kusama Fireflies Infinity Mirror Room.

Explore more of the United States

  • Tucson is just one of the many cities in the United States waiting to be discovered once you've seen Phoenix. Around 161 kilometers away to the south-east, popular attractions include Saguaro National Park East Unit, Airplane Boneyard and National Parks Conservation.

  • If there's time to check out another major destination in the United States, head for Yuma, about 257 kilometers west of Phoenix. Old Victorian Yuma, Yuma Crossing National Heritage Area and Downtown Yuma are highlights.

More travel options

Plan the rest of your trip from San Diego to Phoenix

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