$99+ Cheap flights from Tucson to San Diego (TUS - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — SAN
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Tucson to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Tucson to San Diego are usually found in April or September, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from Tucson to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Tucson to San DiegoExplore the most affordable flight options available from Tucson to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Tucson to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:20 am -
Nonstop1h 20m
Mon 10/268:40 am -
Nonstop1h 20m
Deal found 9/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:40 am -
Nonstop1h 20m
Tue 10/271:30 pm -
2 stops7h 00m
Deal found 9/24![Southwest logo]()
$212
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:53 am -
1 stop3h 46m
Thu 10/299:57 am -
1 stop3h 23m
Deal found 9/23![American Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:40 am -
2 stops6h 40m
Tue 11/39:20 am -
2 stops7h 30m
Deal found 9/25![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 pm -
Nonstop1h 25m
Sat 10/246:10 pm -
Nonstop1h 25m
Deal found 9/28![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:25 pm -
Nonstop1h 25m
Fri 10/235:05 pm -
2 stops6h 10m
Deal found 9/23![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:40 am -
Nonstop1h 20m
Tue 12/19:15 am -
Nonstop1h 35m
Deal found 9/23![Southwest logo]()
$262
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:42 am -
1 stop3h 36m
Sat 10/179:57 am -
1 stop4h 01m
Deal found 9/23![American Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:30 pm -
1 stop6h 30m
Tue 12/111:07 am -
1 stop5h 04m
Deal found 9/27![Delta logo]()
$267
Best flights from Tucson to San DiegoDiscover carefully curated flight deals from Tucson to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Tucson to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:45 am -
Nonstop1h 20m
Tue 12/227:40 pm -
Nonstop1h 20m
Deal found 9/23![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 am -
1 stop3h 37m
Mon 10/266:15 am -
1 stop4h 56m
Deal found 9/25![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/306:10 am -
2 stops5h 30m
Sat 2/64:40 pm -
Nonstop1h 20m
Deal found 9/23![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:05 pm -
2 stops6h 10m
Mon 11/27:10 pm -
Nonstop1h 20m
Deal found 9/25![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:05 pm -
1 stop6h 05m
Mon 10/265:05 pm -
2 stops6h 10m
Deal found 9/27![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:40 am -
2 stops6h 40m
Tue 11/39:20 am -
2 stops7h 30m
Deal found 9/25![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:20 pm -
Nonstop1h 25m
Tue 1/265:40 pm -
Nonstop1h 20m
Deal found 9/23![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:10 am -
1 stop3h 35m
Mon 10/268:40 am -
Nonstop1h 20m
Deal found 9/25![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2911:30 am -
1 stop5h 00m
Sat 2/64:40 pm -
Nonstop1h 20m
Deal found 9/24![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
Nonstop1h 25m
Sun 11/86:35 am -
2 stops5h 45m
Deal found 9/24![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:40 pm -
Nonstop1h 20m
Sun 11/227:40 am -
2 stops6h 15m
Deal found 9/23![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:55 am -
1 stop4h 45m
Thu 11/2610:35 am -
2 stops6h 30m
Deal found 9/27![Southwest logo]()
$320
Last-minute flights from Tucson to San DiegoDiscover last-minute flight deals from Tucson to San Diego. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to San Diego. Data last updated September 28, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:25 pm -
Nonstop1h 25m
Sat 10/1710:35 pm -
1 stop10h 30m
Deal found 9/23![Southwest logo]()
$262
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:42 am -
1 stop3h 36m
Sat 10/179:57 am -
1 stop4h 01m
Deal found 9/23![American Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:25 pm -
Nonstop1h 25m
Fri 10/235:05 pm -
2 stops6h 10m
Deal found 9/23![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:40 am -
Nonstop1h 20m
Tue 10/271:30 pm -
2 stops7h 00m
Deal found 9/24![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:20 am -
Nonstop1h 20m
Mon 10/268:40 am -
Nonstop1h 20m
Deal found 9/27![Southwest logo]()
$197
This Southwest deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 pm -
Nonstop1h 25m
Sat 10/246:10 pm -
Nonstop1h 25m
Deal found 9/28![Southwest logo]()
$246
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:53 am -
1 stop3h 46m
Thu 10/299:57 am -
1 stop3h 23m
Deal found 9/23![American Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:40 am -
2 stops6h 40m
Tue 11/39:20 am -
2 stops7h 30m
Deal found 9/25![Southwest logo]()
$227
One-way flights from Tucson to San DiegoSearch for one-way flight options from Tucson to San Diego. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Tucson to San Diego. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:25 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$99
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:00 pm -
1 stop3h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$103
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:40 pm -
1 stop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$104
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:46 pm -
1 stop3h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:20 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Southwest logo]()
$114
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$116
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:52 pm -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Delta logo]()
$135
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:40 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$148
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2412:40 pm -
1 stop3h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 am -
1 stop3h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Delta logo]()
$153
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
2 stops11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$154
Find flight deals from Tucson to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) 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 September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Southwest) |
One-way from | $99 (Southwest) |
Popular in | January |
Cheapest in | April |
Average price | $297 |
Good round-trip deal | $307 or less |
Good one-way deal | $194 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
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
Cheapest round-trip
Quickest round-trip
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Sat 1/30
7:25 am-7:45 am
Nonstop1h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Sat 10/24
4:40 pm-10:40 pm
1 stop6h 00m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$104
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Wed 10/21
6:40 am-10:17 am
1 stop3h 37m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$104
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Wed 10/28
4:40 pm-10:55 pm
1 stop6h 15m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$104
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Wed 10/28
4:30 pm-10:10 pm
1 stop5h 40m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$109
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Sat 10/24
5:20 am-11:55 am
2 stops6h 35m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Tue 10/20
4:30 pm-11:55 pm
1 stop7h 25m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$116
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Fri 10/23
6:40 am-10:17 am
1 stop3h 37m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Mon 11/23
2:00 pm-4:35 pm
1 stop3h 35m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$158
TucsonSan Diego
TUS Tucson - SAN San Diego
TUSSAN
Tucson
Wed 11/11
6:05 am-11:25 am
2 stops6h 20m
San Diego
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$163
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Tucson 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 Tucson to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Tucson-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Tucson-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 Tucson-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 Tucson to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Tucson with our price prediction graph.
TUS-SAN
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.
Cheapflights Insights
Everything you need to know about your flight from Tucson to San Diego
How far ahead should I book a flight from Tucson to San Diego?
The price you pay for your flight from Tucson to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Tucson to San Diego?
Currently, April is the cheapest month in which you can book a flight from Tucson to San Diego (average of $295). Flying from Tucson to San Diego in January is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TUS to SAN?
Find hourly flight availability from Tucson to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 17% on flights from Tucson to San Diego by exploring options for tickets at noon.
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 September 28, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Tucson to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Tucson to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to San Diego if you plan to visit one of these locationsEl Cajon
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Top 4 airlines flying from Tucson to San Diego
Discover the top 4 airlines that operate flights from Tucson 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 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$214 | Average$361 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$224 | Average$418 | FlexibilityNo cancel fee | On-time71% |