$109+ Cheap flights from Tucson to San Diego (TUS - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — SAN
Jul 29 — Aug 51
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 September or December, booked 75 days in advance, depart on a Saturday or Tuesday 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 June 29, 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 June 29, 2026.
This Frontier deal was found by Cheapflights users on 6/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:25 pm
TUS
- SAN
1 stop8h 34m
Frontier
Tue 10/206:25 am
SAN
- TUS
1 stop8h 05m
Frontier
Deal found 6/27![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 6/27. 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.
Sat 8/16:40 am
TUS
- SAN
Nonstop1h 15m
Southwest
Tue 8/45:40 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 6/27![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 6/28. 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.
Wed 7/296:45 pm
TUS
- SAN
Nonstop1h 15m
Southwest
Tue 8/45:40 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 6/28![Southwest logo]()
$235
This Southwest deal was found by Cheapflights users on 6/29. 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 8/16:40 am
TUS
- SAN
Nonstop1h 15m
Southwest
Mon 8/38:35 am
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 6/29![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 8/1110:25 am
TUS
- SAN
1 stop5h 01m
American Airlines
Thu 8/1310:57 am
SAN
- TUS
1 stop3h 38m
American Airlines
Deal found 6/28![American Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/273:05 pm
TUS
- SAN
1 stop3h 13m
American Airlines
Mon 8/314:22 pm
SAN
- TUS
1 stop3h 38m
American Airlines
Deal found 6/28![American Airlines logo]()
$241
This Frontier deal was found by Cheapflights users on 6/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:25 pm
TUS
- SAN
1 stop8h 34m
Frontier
Tue 10/206:25 am
SAN
- TUS
1 stop8h 05m
Frontier
Deal found 6/27![Frontier logo]()
$246
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:59 pm
TUS
- SAN
1 stop3h 19m
American Airlines
Sat 8/16:20 am
SAN
- TUS
1 stop3h 08m
American Airlines
Deal found 6/27![American Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
TUS
- SAN
1 stop6h 44m
United Airlines
Mon 9/143:56 pm
SAN
- TUS
1 stop5h 14m
United Airlines
Deal found 6/27![United Airlines logo]()
$252
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 June 29, 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 June 29, 2026.
This Southwest deal was found by Cheapflights users on 6/27. 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 9/2411:55 am
TUS
- SAN
1 stop4h 25m
Southwest
Sat 9/266:10 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 6/27![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 11/96:10 pm
TUS
- SAN
1 stop5h 45m
Delta
Thu 11/126:15 am
SAN
- TUS
1 stop4h 51m
Delta
Deal found 6/27![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 6/28. 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.
Sat 8/16:40 am
TUS
- SAN
Nonstop1h 15m
Southwest
Mon 8/35:20 pm
SAN
- TUS
1 stop5h 30m
Southwest
Deal found 6/28![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 6/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:15 am
TUS
- SAN
Nonstop1h 20m
Southwest
Tue 7/217:10 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 6/26![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 7/294:47 pm
TUS
- SAN
1 stop6h 08m
Delta
Thu 7/3010:54 am
SAN
- TUS
1 stop4h 56m
Delta
Deal found 6/28![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 6/24. 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 10/78:05 am
TUS
- SAN
Nonstop1h 20m
Southwest
Wed 10/76:00 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 6/24![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 6/27. 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 10/15:10 am
TUS
- SAN
2 stops7h 10m
Southwest
Sat 10/38:15 am
SAN
- TUS
2 stops6h 30m
Southwest
Deal found 6/27![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 6/29. 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 10/109:30 am
TUS
- SAN
2 stops8h 00m
Southwest
Tue 10/137:50 am
SAN
- TUS
2 stops8h 55m
Southwest
Deal found 6/29![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 6/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:35 am
TUS
- SAN
2 stops6h 20m
Southwest
Mon 8/172:25 pm
SAN
- TUS
2 stops6h 35m
Southwest
Deal found 6/26![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 6/24. 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 8/216:40 pm
TUS
- SAN
Nonstop1h 20m
Southwest
Mon 8/2410:15 am
SAN
- TUS
1 stop3h 05m
Southwest
Deal found 6/24![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 6/24. 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.
Sat 11/78:00 am
TUS
- SAN
Nonstop1h 20m
Southwest
Sun 11/86:25 pm
SAN
- TUS
1 stop4h 20m
Southwest
Deal found 6/24![Southwest logo]()
$330
Last-minute flights from Tucson to San DiegoDiscover last-minute flight deals from Tucson to San Diego. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to San Diego. Data last updated June 29, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/27. 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.
Tue 7/2110:45 am
TUS
- SAN
1 stop3h 15m
Southwest
Tue 7/288:40 am
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 6/27![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 6/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:15 am
TUS
- SAN
2 stops6h 10m
Southwest
Tue 7/216:50 pm
SAN
- TUS
1 stop3h 45m
Southwest
Deal found 6/26![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 6/27. 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.
Wed 7/226:45 pm
TUS
- SAN
Nonstop1h 15m
Southwest
Mon 7/277:40 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 6/27![Southwest logo]()
$275
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:59 pm
TUS
- SAN
1 stop3h 19m
American Airlines
Sat 8/16:20 am
SAN
- TUS
1 stop3h 08m
American Airlines
Deal found 6/27![American Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 6/25. 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 7/256:40 am
TUS
- SAN
Nonstop1h 15m
Southwest
Sat 8/16:15 pm
SAN
- TUS
Nonstop1h 35m
Southwest
Deal found 6/25![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 7/286:20 am
TUS
- SAN
1 stop3h 32m
Delta
Fri 7/316:15 am
SAN
- TUS
1 stop4h 53m
Delta
Deal found 6/28![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 6/28. 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.
Wed 7/296:45 pm
TUS
- SAN
Nonstop1h 15m
Southwest
Tue 8/45:40 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 6/28![Southwest logo]()
$235
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 7/312:59 pm
TUS
- SAN
1 stop3h 19m
American Airlines
Mon 8/39:41 am
SAN
- TUS
1 stop4h 48m
American Airlines
Deal found 6/28![American Airlines logo]()
$288
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 June 29, 2026.
Search for one-way flight options from Tucson to San Diego. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Southwest deal was found by Cheapflights users on 6/27. 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.
Tue 8/46:15 am
TUS
- SAN
Nonstop1h 15m
Southwest
Deal found 6/27![Southwest logo]()
$109
This Delta deal was found by Cheapflights users on 6/28. 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 9/266:35 am
TUS
- SAN
1 stop3h 35m
Delta
Deal found 6/28![Delta logo]()
$119
This American Airlines deal was found by Cheapflights users on 6/28. 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 8/271:38 pm
TUS
- SAN
1 stop4h 40m
American Airlines
Deal found 6/28![American Airlines logo]()
$121
This Southwest deal was found by Cheapflights users on 6/25. 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 8/226:40 am
TUS
- SAN
Nonstop1h 20m
Southwest
Deal found 6/25![Southwest logo]()
$123
This Southwest deal was found by Cheapflights users on 6/28. 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.
Wed 8/265:35 am
TUS
- SAN
2 stops6h 05m
Southwest
Deal found 6/28![Southwest logo]()
$124
This Southwest deal was found by Cheapflights users on 6/25. 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 7/186:40 am
TUS
- SAN
Nonstop1h 15m
Southwest
Deal found 6/25![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 6/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:40 pm
TUS
- SAN
Nonstop1h 20m
Southwest
Deal found 6/26![Southwest logo]()
$129
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 7/216:20 am
TUS
- SAN
1 stop3h 32m
Delta
Deal found 6/25![Delta logo]()
$132
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 9/33:19 pm
TUS
- SAN
1 stop7h 28m
United Airlines
Deal found 6/26![United Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 6/27. 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 11/96:55 am
TUS
- SAN
Nonstop1h 20m
Southwest
Deal found 6/27![Southwest logo]()
$135
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/246:29 am
TUS
- SAN
1 stop3h 46m
Delta
Deal found 6/28![Delta logo]()
$139
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Frontier) |
One-way from | $109 (Southwest) |
Popular in | January |
Cheapest in | September |
Average price | $363 |
Good round-trip deal | $297 or less |
Good one-way deal | $191 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 2,558,603 searches. Data last updated June 29, 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
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Thu 9/24
11:55 am-4:20 pm
1 stop4h 25m
San Diego
Sat 9/26
6:10 pm-7:35 pm
Nonstop1h 25m
$247
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Sat 8/1
6:40 am-7:55 am
Nonstop1h 15m
San Diego
Mon 8/3
5:20 pm-10:50 pm
1 stop5h 30m
$247
Quickest round-trip
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Tue 7/21
6:15 am-7:35 am
Nonstop1h 20m
San Diego
Tue 7/21
7:10 pm-8:40 pm
Nonstop1h 30m
$253
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Wed 10/7
8:05 am-9:25 am
Nonstop1h 20m
San Diego
Wed 10/7
6:00 pm-7:30 pm
Nonstop1h 30m
$253
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Mon 11/9
6:10 pm-10:55 pm
1 stop5h 45m
San Diego
Thu 11/12
6:15 am-12:06 pm
1 stop4h 51m
$279
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Wed 7/29
4:47 pm-10:55 pm
1 stop6h 08m
San Diego
Thu 7/30
10:54 am-3:50 pm
1 stop4h 56m
$280
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Thu 10/1
5:10 am-12:20 pm
2 stops7h 10m
San Diego
Sat 10/3
8:15 am-2:45 pm
2 stops6h 30m
$291
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Sat 10/10
9:30 am-5:30 pm
2 stops8h 00m
San Diego
Tue 10/13
7:50 am-4:45 pm
2 stops8h 55m
$291
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Wed 8/12
10:35 am-4:55 pm
2 stops6h 20m
San Diego
Mon 8/17
2:25 pm-9:00 pm
2 stops6h 35m
$292
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Fri 8/21
6:40 pm-8:00 pm
Nonstop1h 20m
San Diego
Mon 8/24
10:15 am-1:20 pm
1 stop3h 05m
$297
Showing 1-10 of 23 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 June.
| 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 74 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, September is the cheapest month in which you can book a flight from Tucson to San Diego (average of $279). Flying from Tucson to San Diego in January is currently the most expensive (average of $493). 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 June 29, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 18% 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 June 29, 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
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
Julian
Lemon Grove
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Tucson and San Diego flights
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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 2,558,603 searches. Data last updated June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$358 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$368 | FlexibilityNo cancel fee | On-time71% |