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Cheap Flights from Tucson to San Diego

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Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Tucson to San Diego

Explore current cheapest deals departing from Tucson to San Diego

Round trip

Sort by: Cheapest

August 22 - August 25

Cheapest

Best

TUS - San Diego

$160

$211

Round trip

September 10 - September 15

Best

TUS - San Diego

$151

$212

Round trip

September 10 - September 16

Best

TUS - San Diego

$147

$212

Round trip

September 12 - September 15

Best

TUS - San Diego

$153

$212

Round trip

August 21 - August 25

TUS - San Diego

$160

$231

Round trip

August 22 - August 24

TUS - San Diego

$161

$231

Round trip

September 17 - September 21

TUS - San Diego

$155

$231

Round trip

August 15 - August 17

Earliest

TUS - San Diego

$161

$232

Round trip

September 10 - September 14

TUS - San Diego

$151

$232

Round trip

September 11 - September 16

TUS - San Diego

$151

$232

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Tucson to San Diego

Fares for flights from Tucson to San Diego typically range from $295–$1056, with a median of $359. Right now, current fares are significantly above the typical level for this route. Only 5% of recent fares were classified as a good price, indicating that finding cheap flights from Tucson to San Diego may require flexibility. New deals appear almost daily, suggesting frequent opportunities to find better prices.

For travelers wondering when is the cheapest time to fly from Tucson to San Diego, November stands out with a median fare of $286. April is also a strong contender, offering a median fare of $287. Another economical option is September, where the median fare is $297.

A typical journey from Tucson to San Diego takes about 11h 24m, including connections. This is largely due to the nature of the route, where most itineraries connect at least once. When connecting, the median number of stopovers is 2.

The distance between Tucson and San Diego is 590 km, classifying this as a short-haul route. This means you can expect a relatively quick journey, though connections often extend the total travel time.

How much is a round trip from Tucson to San Diego

Regular price: $119 - $271

Prices for flights from Tucson to San Diego are currently within the regular range.

The regular price range for this route is between $119 and $271. The current lowest deal is $211 with Southwest Airlines, for travel from Aug 22 to Aug 25.

now $211

Low $119

High $271

The cheapest time to fly from Tucson to San Diego

The cheapest month to fly from TUS to SAN is November, with a median price of $286. The most expensive month is June, with a median price of $1243. Prices are generally lower from January to November.

November

Cheapest

Flights from $286

June

Most Expensive

Flights from $1,243

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Tucson to San Diego

Southwest Airlines

Last-minute flights going from Tucson to San Diego

Thu, Jun 25

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (CLD)

United Airlines

$382

$418

One-way

Sat, Jun 27

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (SAN)

Southwest Airlines

$207

$332

One-way

Sat, Jun 27

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (CLD)

United Airlines

$380

$418

One-way

Fri, Jul 3

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (SAN)

Southwest Airlines

$183

$288

One-way

Fri, Jul 3

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (SAN)

Southwest Airlines

$149

$337

One-way

Fri, Jul 3

⌛ Last-Minute

TUS - San Diego

Tucson (TUS) - San Diego (SAN)

Southwest Airlines

$323

$354

One-way

Biggest price drops on these dates for flights from Tucson to San Diego

2 nights

Oct 12 - Oct 14

$423 → $245

42%

3 nights

Oct 10 - Oct 13

$419 → $293

30%

7 nights

Dec 15 - Dec 22

$346 → $244

30%

2 nights

Oct 23 - Oct 25

$423 → $340

20%

Popular Airports to fly from Tucson to San Diego

Tucson - San Diego route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for Tucson to San Diego are $211, which is above the typical level of $160.

📅 Best time to fly

Fly in November for the best prices.

Historically, November is the cheapest month to fly from Tucson to San Diego, with a median price of $286.

⏱️ Flight duration

Connecting flights take 11h 24m on average.

The typical flight duration from Tucson to San Diego is 11 hours and 24 minutes with connecting flights.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Only 30% of recent deals are for direct flights; most routes include one or more stops.

🏆 Airline highlight

Southwest Airlines offers direct flights.

Southwest Airlines has offered direct flights from Tucson to San Diego in recent deals.

🎯 Booking tip

Deals appear frequently for this route.

Historically, about 1 deal per day has been found for Tucson to San Diego flights.

Tucson main airports to depart from

Tucson International (TUS)

Cheapest

Tucson International Airport (TUS) is a convenient option for flights from Tucson to San Diego.

📍 ~12 km from city center

💸 Flights from ~$211

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival choice for reaching San Diego directly from Tucson.

📍 ~5 km from San Diego (reachable by car)

💸 Flights from ~$211

McClellan–Palomar (CLD)

McClellan–Palomar Airport offers an alternative arrival option for travelers heading to the San Diego area.

📍 ~50 km from San Diego (reachable by car)

💸 Flights from ~$296

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Tijuana International (TIJ) is an excellent alternative for flights to Mexico, with direct access via the Cross Border Xpress (CBX) terminal.

📍 ~25 km from San Diego (reachable by car)

💸 Flights from ~$504

John Wayne (SNA)

John Wayne (SNA) is the closest major US domestic alternative, offering a strong network with many major carriers.

📍 ~135 km from San Diego (reachable by car)

💸 Flights from ~$206

Los Angeles International (LAX)

Cheapest

Los Angeles International (LAX) is a primary global hub with extensive international and domestic route options.

📍 ~180 km from San Diego (reachable by car)

💸 Flights from ~$181

Ontario International (ONT)

Ontario International (ONT) is a reliable domestic alternative with growing service and often less congestion than LAX or SNA.

📍 ~185 km from San Diego (reachable by car)

💸 Flights from ~$234

Long Beach (LGB)

Long Beach (LGB) is easy to navigate with fast security processing, good for specific West Coast routes.

📍 ~150 km from San Diego (reachable by car)

💸 Flights from ~$217

Business & First Class Flight Deals to San Diego

San Diego, United States

33% AI deal score

$1,649

Frequently Asked Questions About Flights to San Diego

Historically, booking flights from Tucson to San Diego 60+ days in advance typically yields the lowest prices, with an average of $328. Prices tend to increase as the departure date approaches. For instance, flights booked 14-27 days out average around $531, while those booked within 0-6 days of departure can average $1254. Planning ahead by at least two months is advisable for securing more economical fares.

Across the trailing quarter, a good deal for a flight from Tucson to San Diego is considered to be $295 or less. The median price for this route was $359. Prices can vary, with 75% of observed prices being $1056 or less. Keeping an eye out for fares at or below the $295 mark can help travelers identify a favorable price.

Historically, the cheapest months to fly from Tucson to San Diego include November, with a median price of $286, and April, with a median price of $287. September also shows a competitive median price of $297. The annual median price for this route is $359. Travelers looking for more affordable options may find these months particularly advantageous.

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Cheap Flights from Tucson to San Diego

Today’s best flight deals from Tucson to San Diego

Unlock all 500+ flight deals to San Diego and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Tucson to San Diego

How much is a round trip from Tucson to San Diego

The cheapest time to fly from Tucson to San Diego

Direct flights from Tucson to San Diego

Last-minute flights going from Tucson to San Diego

Biggest price drops on these dates for flights from Tucson to San Diego

Popular Airports to fly from Tucson to San Diego

Tucson - San Diego route insights

Recent fares are above the typical level.

Fly in November for the best prices.

Connecting flights take 11h 24m on average.

Connecting flights are dominant on this route.

Southwest Airlines offers direct flights.

Deals appear frequently for this route.

Tucson main airports to depart from

San Diego main airports to arrive at

Airports nearby San Diego used as alternative

Business & First Class Flight Deals to San Diego

Best Elite deals to San Diego

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Frequently Asked Questions About Flights to San Diego

How early should I book Tucson to San Diego flights to get the cheapest price?

How early should I book Tucson to San Diego flights to get the cheapest price?

How do I know if a Tucson to San Diego flight is a good deal?

How do I know if a Tucson to San Diego flight is a good deal?