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Cheap flights from Phoenix-Mesa Gateway (AZA) to San Diego (SAN)

AZA — SAN
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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1. Tell us where you want to go

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Find flight deals from Phoenix-Mesa Gateway to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix-Mesa Gateway (AZA) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

October

Average price

$142
Provider with most accurate pricing for Phoenix-Mesa Gateway-San Diego flight deals.
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Provider most trusted by Cheapflights users for Phoenix-Mesa Gateway-San Diego flights.
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Highest demand for flights based on searches. 10% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Compare providers for flights from Phoenix-Mesa Gateway to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phoenix-Mesa Gateway to San Diego in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix-Mesa Gateway Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix-Mesa Gateway Airport-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix-Mesa Gateway Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix-Mesa Gateway Airport-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix-Mesa Gateway Airport-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phoenix-Mesa Gateway to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Phoenix-Mesa Gateway with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated July 18, 2026.
See what other customers who have flown with Frontier from Phoenix-Mesa Gateway Airport to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.6
Fair
2,794 reviews

Boarding

5.9

Overall

5.6

Entertainment

4.3

Food

4.5

Crew

6.6

Comfort

5.4

Reviews

1 / 20
2.0
Mediocre

Christopher,Aug 2024

PHX - LAX

Frontier charged me $100 for small on board backpack!!!! Scam!!!! Beware!!!!!
Frontier
5.6
Fair
2,794 reviews
Frontier
5.6
Fair
2,794 reviews

Boarding

5.9

Overall

5.6

Entertainment

4.3

Food

4.5

Crew

6.6

Comfort

5.4

Reviews

1 / 20
2.0
Mediocre

Christopher,Aug 2024

PHX - LAX

Frontier charged me $100 for small on board backpack!!!! Scam!!!! Beware!!!!!

Related info for your journey

Find useful and relevant information for your journey from Phoenix-Mesa Gateway to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Phoenix-Mesa Gateway?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from Phoenix-Mesa Gateway. Booking flights from Phoenix-Mesa Gateway to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from Phoenix-Mesa Gateway from 1 airline.

  • What is the cheapest airline to fly from Phoenix-Mesa Gateway Airport to San Diego round-trip?

    Our cheapest airline available from Phoenix-Mesa Gateway Airport to San Diego is Frontier. Our recent data shows that you can find tickets from as low as $41 on this airline.

  • Can I find deals for flights from Phoenix-Mesa Gateway to San Diego that include hotel bookings?

    Yes. In addition to deals on Phoenix-Mesa Gateway to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix-Mesa Gateway to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix-Mesa Gateway to San Diego.

  • Can I find deals for business class flights from Phoenix-Mesa Gateway to San Diego?

    Yes. Cheapflights offers flight deals from Phoenix-Mesa Gateway to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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Top airline flying from Phoenix-Mesa Gateway to San Diego

Discover the top airline that operate flights from Phoenix-Mesa Gateway to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$138FlexibilityNo cancel feeOn-time62%

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