$80 Cheap Flights from Tucson (TUS) to San Diego (SAN)

View $80 flight on Sun, Sep 7, 2025Opens in a new window

Popular airlines from Tucson International Airport (TUS) to San Diego Intl. Airport (SAN)

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Cheap Flights from Tucson to San Diego (TUS-SAN)

Prices were available within the past 7 days and start at $80 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 12 - Mon, Sep 15
TUS
Tucson
SAN
San Diego
$160 Roundtrip, found 8 hours ago
$160
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Sep 12 from Tucson to San Diego, returning Mon, Sep 15, priced at $160 found 8 hours ago
Southwest Airlines
Thu, Oct 16 - Mon, Oct 20
TUS
Tucson
SAN
San Diego
$164 Roundtrip, found 4 hours ago
$164
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Thu, Oct 16 from Tucson to San Diego, returning Mon, Oct 20, priced at $164 found 4 hours ago
Frontier Airlines
Thu, Oct 9 - Fri, Oct 24
TUS
Tucson
SAN
San Diego
$165 Roundtrip, found 9 hours ago
$165
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Tucson to San Diego, returning Fri, Oct 24, priced at $165 found 9 hours ago
Southwest Airlines
Thu, Oct 9 - Sun, Oct 12
TUS
Tucson
SAN
San Diego
$167 Roundtrip, found 1 hour ago
$167
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Thu, Oct 9 from Tucson to San Diego, returning Sun, Oct 12, priced at $167 found 1 hour ago
Southwest Airlines
Wed, Sep 17 - Sun, Sep 21
TUS
Tucson
SAN
San Diego
$169 Roundtrip, found 9 hours ago
$169
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Tucson to San Diego, returning Sun, Sep 21, priced at $169 found 9 hours ago
Frontier Airlines
Sun, Oct 19 - Thu, Oct 23
TUS
Tucson
SAN
San Diego
$170 Roundtrip, found 3 hours ago
$170
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Oct 19 from Tucson to San Diego, returning Thu, Oct 23, priced at $170 found 3 hours ago
Frontier Airlines
Thu, Oct 9 - Fri, Oct 17
TUS
Tucson
SAN
San Diego
$170 Roundtrip, found 9 hours ago
$170
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Oct 9 from Tucson to San Diego, returning Fri, Oct 17, priced at $170 found 9 hours ago
Delta
Wed, Sep 17 - Sun, Sep 21
TUS
Tucson
SAN
San Diego
$179 Roundtrip, found 9 hours ago
$179
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Sep 17 from Tucson to San Diego, returning Sun, Sep 21, priced at $179 found 9 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
TUS
Tucson
SAN
San Diego
$187 Roundtrip, found 5 hours ago
$187
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Tucson to San Diego, returning Mon, Nov 3, priced at $187 found 5 hours ago
Alaska Airlines
Sun, Oct 19 - Thu, Oct 23
TUS
Tucson
SAN
San Diego
$401 Roundtrip, found 3 hours ago
$401
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sun, Oct 19 from Tucson to San Diego, returning Thu, Oct 23, priced at $401 found 3 hours ago

Find the cheapest month to fly from Tucson (TUS) to San Diego (SAN)

April is typically the cheapest month to fly

From $97 - $452 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $766
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $766
Select flight to McClellan-Palomar CLD. Average driving time to city center is 38 minutes. Flights from $350
CLD
McClellan-Palomar
Average driving time to city center38 min
Flights from $350
Flights from Tucson (TUS) to San Diego (SAN)
Origin airport
Tucson Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$160
Distance
367 mi
Average flight time
1 hour 18 mins

Tucson to San Diego Flights

The cheapest times to fly from Tucson to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tucson to San Diego are during the month of September. You can find some of the cheapest flights from Tucson to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tucson to San Diego

Sunday is one of the best days to book for cheap flights from Tucson to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tucson to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tucson to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tucson to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tucson to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) cost?
Secure a cheap one-way flight from $80 or cheap return flight from $160 from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
The cheapest month to fly from TUS to SAN is September, when there's less demand. Off-peak months are often when airlines offer lower prices between these airports.
Which airlines fly direct from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
You can fly straight from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) on a Southwest Airlines flight.
What is the cheapest airline that flies from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest TUS to SAN flight.
How many flights per day from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
On average, just 1 nonstop flight departs daily from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN). Looking for more options? Use Expedia's filter tool to discover flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
The 8 AM departures from TUS to SAN are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from TUS to SAN?
If you depart on a Sunday, you'll get the biggest range of choices for flights from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN).
What is the earliest flight from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
Tucson Intl. Airport (TUS)'s first flight to San Diego Intl. Airport (SAN) departs at approximately 7:25AM UTC-7. With a total journey time of 1h 20m, you'll arrive at around 7:45AM UTC-8.
How long does it take to fly from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
It usually takes 1 hour and 22 minutes to fly the 370 mi from TUS to SAN.
What is the best time to fly from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
Select a flight from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Tucson Intl. Airport (TUS)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Tucson Intl. Airport (TUS). Explore the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN) last-minute?
Booking your ticket from TUS to SAN right before your trip is typically more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a TUS to SAN flight and hotel package?
You'll typically save money by booking a TUS to SAN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Tucson Intl. Airport (TUS) to San Diego Intl. Airport (SAN)?
If you booked your TUS to SAN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.