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Cheap flights from Tucson to San Diego from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to San Diego departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Tucson to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:59 pm - 8:51 am
TUS
-
SAN
11h 52m1 stop
Frontier Logo
9:45 am - 4:57 pm
SAN
-
TUS
30h 12m1 stop
$172Frontier
Sun, Feb 8 - Wed, Feb 11
Frontier Logo
9:59 pm - 1:29 pm
TUS
-
SAN
16h 30m1 stop
Frontier Logo
2:50 pm - 9:14 pm
SAN
-
TUS
5h 24m1 stop
$200Frontier
Thu, Jan 8 - Sun, Jan 11
Southwest Logo
3:45 pm - 9:50 pm
TUS
-
SAN
7h 05m1 stop
Southwest Logo
10:15 am - 12:40 pm
SAN
-
TUS
1h 25mnonstop
$201Southwest
Wed, Jan 14 - Wed, Jan 21
Delta Logo
8:00 am - 3:40 pm
TUS
-
SAN
8h 40m2 stops
Delta Logo
2:55 pm - 10:07 pm
SAN
-
TUS
6h 12m1 stop
$206Delta
Wed, Jan 14 - Wed, Jan 21
Frontier Logo
9:59 pm - 8:51 am
TUS
-
SAN
11h 52m1 stop
Frontier Logo
9:45 am - 6:47 pm
SAN
-
TUS
32h 02m2 stops
$214Frontier
Sun, Feb 8 - Wed, Feb 11
Frontier Logo
9:59 pm - 8:51 am
TUS
-
SAN
11h 52m1 stop
Frontier Logo
9:45 am - 6:47 pm
SAN
-
TUS
32h 02m2 stops
$215Frontier
Sun, Feb 8 - Wed, Feb 11
Southwest Logo
7:55 am - 4:45 pm
TUS
-
SAN
9h 50m2 stops
Southwest Logo
2:00 pm - 8:50 pm
SAN
-
TUS
5h 50m2 stops
$221Southwest
Wed, Jan 14 - Wed, Jan 21
Southwest Logo
6:10 pm - 6:40 pm
TUS
-
SAN
1h 30mnonstop
Southwest Logo
10:15 am - 12:40 pm
SAN
-
TUS
1h 25mnonstop
$222Southwest
Wed, Jan 14 - Wed, Jan 21
Delta Logo
7:15 am - 9:55 am
TUS
-
SAN
3h 40m1 stop
Delta Logo
3:15 pm - 10:05 pm
SAN
-
TUS
5h 50m1 stop
$232Delta
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
12:36 pm - 11:36 pm
TUS
-
SAN
12h 00m1 stop
Frontier Logo
2:50 pm - 9:14 pm
SAN
-
TUS
5h 24m1 stop
$234Frontier
Fri, Jan 9 - Sun, Jan 11

Frontier flights from Tucson to San Diego

Our best Frontier deals on Tucson to San Diego flight tickets
Frontier
Feb 8
TUS9:59 pmTucson
11h 52m
1 stop
SAN8:51 amSan Diego
Feb 11
SAN9:45 amSan Diego
30h 12m
1 stop
TUS4:57 pmTucson
$172
Find similar
Frontier
Jan 8
TUS9:59 pmTucson
16h 30m
1 stop
SAN1:29 pmSan Diego
Jan 11
SAN2:50 pmSan Diego
5h 24m
1 stop
TUS9:14 pmTucson
$200
Find similar
Frontier
Feb 8
TUS9:59 pmTucson
11h 52m
1 stop
SAN8:51 amSan Diego
Feb 11
SAN9:45 amSan Diego
32h 02m
2 stops
TUS6:47 pmTucson
$214
Find similar

United Airlines flights from Tucson to San Diego

Our best United Airlines deals on Tucson to San Diego flight tickets
United Airlines
Jan 14
TUS8:15 amTucson
7h 49m
1 stop
SAN3:04 pmSan Diego
Jan 21
SAN6:15 amSan Diego
10h 52m
2 stops
TUS6:07 pmTucson
$266
Find similar
United Airlines
Jan 1
TUS2:40 pmTucson
7h 07m
1 stop
SAN8:47 pmSan Diego
Jan 3
SAN6:30 amSan Diego
8h 05m
1 stop
TUS3:35 pmTucson
$499
Find similar
United Airlines
Dec 23
TUS5:45 pmTucson
5h 47m
1 stop
SAN10:32 pmSan Diego
Dec 27
SAN6:30 amSan Diego
6h 08m
1 stop
TUS1:38 pmTucson
$546
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Tucson to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Tucson to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Sun 2/8

9:59 pm-8:51 am

1 stop11h 52m

San Diego

Wed 2/11

9:45 am-4:57 pm

1 stop30h 12m

$172

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Thu 1/8

9:59 pm-1:29 pm

1 stop16h 30m

San Diego

Sun 1/11

2:50 pm-9:14 pm

1 stop5h 24m

$200

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Wed 1/14

3:45 pm-9:50 pm

1 stop7h 05m

San Diego

Wed 1/21

10:15 am-12:40 pm

Nonstop1h 25m

$201

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Wed 1/14

8:00 am-3:40 pm

2 stops8h 40m

San Diego

Wed 1/21

2:55 pm-10:07 pm

1 stop6h 12m

$206

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Sun 2/8

9:59 pm-8:51 am

1 stop11h 52m

San Diego

Wed 2/11

9:45 am-6:47 pm

2 stops32h 02m

$214

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Sun 2/8

9:59 pm-8:51 am

1 stop11h 52m

San Diego

Wed 2/11

9:45 am-6:47 pm

2 stops32h 02m

$215

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Wed 1/14

7:55 am-4:45 pm

2 stops9h 50m

San Diego

Wed 1/21

2:00 pm-8:50 pm

2 stops5h 50m

$221

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Wed 1/14

6:10 pm-6:40 pm

Nonstop1h 30m

San Diego

Wed 1/21

10:15 am-12:40 pm

Nonstop1h 25m

$222

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Wed 2/25

7:15 am-9:55 am

1 stop3h 40m

San Diego

Sat 2/28

3:15 pm-10:05 pm

1 stop5h 50m

$232

TucsonSan Diego

TUS - SAN

TUSSAN

Tucson

Fri 1/9

12:36 pm-11:36 pm

1 stop12h 00m

San Diego

Sun 1/11

2:50 pm-9:14 pm

1 stop5h 24m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Tucson to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of April, then departing from Tucson during the month September is also very affordable. Most momondo users find prices during this month for around $273.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Tucson to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $269. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $405. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $320. Flights in the evening are often more expensive with an average ticket price of $361.

What is the cheapest Tucson to San Diego flight route?

Fly from Tucson to San Diego for the best Tucson - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Tucson for as low as $236 on momondo.

What cabin class options are available on Tucson to San Diego flights?

There is only 1 cabin class available to choose from on Tucson to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Tucson to San Diego flights?

No. A direct flight is the cheapest option for a flight between Tucson to San Diego.

How have Tucson to San Diego flight prices changed over time?

As of December 2025, prices for Tucson to San Diego flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Tucson to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Tucson to San Diego (TUS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to San Diego

Best Price Found

$134

Fastest flight time

1h 20m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Tucson in the past 72 hours is $134. The best round-trip flight deal from Tucson to San Diego found on momondo in the last 72 hours is $288.
The fastest flight from Tucson to San Diego takes 1h 20m
Direct flights go from Tucson to San Diego every day.
There is 1 airport in San Diego. From Tucson there are direct flights to San Diego (SAN).
Search flight deals

  • How far is Tucson to San Diego by plane?

    There are 362.2 mi between Tucson and San Diego. In terms of flight time, this usually takes a little over 1h 20m.

  • When did momondo last update prices for flights from Tucson Airport to San Diego Airport?

    Prices for flights from Tucson Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Tucson Airport to San Diego Airport?

  • How old do you have to be to fly from Tucson Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tucson Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Tucson to San Diego?

  • What is the most popular airline from Tucson to San Diego?

Best airlines flying from Tucson to San Diego

Compare and see reviews for airlines that fly from Tucson to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $100Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
SouthwestPriceFrom $118Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

  • Southwest Flights From Tucson to San Diego

    Southwest flight deals from Tucson to San Diego start from $118 round-trip. Over the 6 Southwest flights for this route in a normal week, average airfare is usually $334 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to San Diego?

It is quick and easy to find Tucson to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Tucson to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Tucson which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tucson to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Tucson. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tucson to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Tucson to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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