$69 Cheap Flights from San Diego (SAN) to Tucson (TUS)

View $69 flight on Tue, Oct 21, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $137 found 1 hour ago
Southwest Airlines
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$147 Roundtrip, found 1 hour ago
$147
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $147 found 1 hour ago
American Airlines
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$148 Roundtrip, found 1 hour ago
$148
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $148 found 1 hour ago
Delta
Wed, Nov 12 - Mon, Nov 17
SAN
San Diego
TUS
Tucson
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 12 from San Diego to Tucson, returning Mon, Nov 17, priced at $152 found 2 days ago
Southwest Airlines
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $157 found 1 hour ago
Delta
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $157 found 1 hour ago
American Airlines
Wed, Nov 19 - Thu, Dec 4
CLD
Carlsbad
TUS
Tucson
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 19 from Carlsbad to Tucson, returning Thu, Dec 4, priced at $159 found 1 hour ago
American Airlines
Wed, Nov 19 - Thu, Dec 4
SAN
San Diego
TUS
Tucson
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Nov 19 from San Diego to Tucson, returning Thu, Dec 4, priced at $159 found 1 hour ago
Frontier Airlines
Sun, Oct 19 - Mon, Oct 20
SAN
San Diego
TUS
Tucson
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Oct 19 from San Diego to Tucson, returning Mon, Oct 20, priced at $177 found 1 day ago
Alaska Airlines
Fri, Nov 7 - Sun, Nov 9
SAN
San Diego
TUS
Tucson
$401 Roundtrip, just found
$401
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Nov 7 from San Diego to Tucson, returning Sun, Nov 9, priced at $401 just found

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

April is typically the cheapest month to fly

From $97 - $433 per traveler.

Graph displaying average flight prices per month

Flights from San Diego (SAN) to Tucson (TUS)
Origin airport
San Diego Intl.
Destination airport
Tucson Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$137
Distance
367 mi
Average flight time
1 hour 28 mins

San Diego to Tucson Flights

The cheapest times to fly from San Diego to Tucson

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 San Diego to Tucson are during the month of November. You can find some of the cheapest flights from San Diego to Tucson with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Diego to Tucson: 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 San Diego to Tucson

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 San Diego to Tucson in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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 San Diego to Tucson 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 San Diego to Tucson 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 San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS) cost?
You can find affordable return tickets from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS) starting from $137. Book a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SAN on July 26 2025 and touching down at TUS. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from SAN to TUS?
The cheapest flights from SAN to TUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
When heading out of San Diego Intl. Airport (SAN), you can hop on a nonstop flight to Tucson Intl. Airport (TUS) with Southwest Airlines.
What is the cheapest airline that flies from SAN to TUS?
At the moment, the cheapest carrier offering one-way flights from SAN to TUS is Southwest Airlines. You can book a seat on this route from $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on September 22 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
On average, just 1 direct flight departs daily from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS). Seeking more options? Use Expedia's filter tool to find flights with layovers and add a new stop to your trip.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
Flights between SAN and TUS are busiest at 5 PM. For a more relaxed atmosphere and possibly cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from SAN to TUS?
Fly on a Sunday if you're searching for the best selection of flights from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS).
What is the earliest flight from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
San Diego Intl. Airport (SAN)'s earliest flight to Tucson Intl. Airport (TUS) is at approximately 9:00AM UTC-8. With a flight time of 1h 20m, you'll land at around 11:20AM UTC-7.
How long does it take to fly from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
Flights from SAN to TUS have an average travel time of 1 hour and 20 minutes. The distance between these two airports is 370 mi.
What airline has the least delays from SAN to TUS?
With 88% of flights usually arriving on time, Southwest Airlines has the best on-time performance for nonstop flights from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS). To check your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
Choose a flight from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Tucson from San Diego Intl. Airport (SAN)?
Tucson Intl. Airport (TUS) is the only airport in Tucson with direct flights from San Diego Intl. Airport (SAN). Consider the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS) last-minute?
Booking your flight from SAN to TUS just before your getaway is usually more expensive. But if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a SAN to TUS flight and hotel package?
You'll generally save money by booking a SAN to TUS 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 accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Tucson Intl. Airport (TUS)?
If you reserved your SAN to TUS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.