$99+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — SAN
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
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 April 1, 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 April 1, 2026.
This Frontier deal was found by Cheapflights users on 3/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:08 pm
TUS
- SAN
1 stop11h 54m
Frontier
Sun 4/129:56 pm
SAN
- TUS
1 stop10h 11m
Frontier
Deal found 3/28![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 3/31. 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 4/216:05 pm
TUS
- SAN
Nonstop1h 25m
Southwest
Thu 4/238:35 am
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 3/31![Southwest logo]()
$218
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/312:08 pm
TUS
- SAN
1 stop11h 54m
Frontier
Sun 4/59:56 pm
SAN
- TUS
1 stop10h 11m
Frontier
Deal found 3/27![Frontier logo]()
$230
This Southwest deal was found by Cheapflights users on 3/30. 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 4/254:25 pm
TUS
- SAN
Nonstop1h 25m
Southwest
Tue 4/286:35 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 3/30![Southwest logo]()
$239
This Frontier deal was found by Cheapflights users on 3/27. 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.
Sun 3/299:09 am
TUS
- SAN
1 stop11h 55m
Frontier
Sun 4/59:56 pm
SAN
- TUS
1 stop10h 11m
Frontier
Deal found 3/27![Frontier logo]()
$240
This Southwest deal was found by Cheapflights users on 3/31. 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 4/2812:45 pm
TUS
- SAN
2 stops5h 40m
Southwest
Mon 5/44:20 pm
SAN
- TUS
2 stops6h 05m
Southwest
Deal found 3/31![Southwest logo]()
$248
This Delta deal was found by Cheapflights users on 3/31. 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 5/44:56 pm
TUS
- SAN
1 stop6h 46m
Delta
Sat 5/96:15 am
SAN
- TUS
1 stop4h 50m
Delta
Deal found 3/31![Delta logo]()
$249
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 April 1, 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 April 1, 2026.
This Southwest deal was found by Cheapflights users on 3/27. 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 5/115:35 am
TUS
- SAN
1 stop5h 45m
Southwest
Mon 5/187:50 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 3/27![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 3/31. 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 5/306:50 am
TUS
- SAN
1 stop3h 31m
Delta
Mon 6/11:30 pm
SAN
- TUS
1 stop8h 00m
Delta
Deal found 3/31![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/277:10 pm
TUS
- SAN
1 stop5h 19m
United Airlines
Mon 5/46:26 pm
SAN
- TUS
1 stop4h 48m
United Airlines
Deal found 3/27![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/27. 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 4/185:25 am
TUS
- SAN
2 stops6h 05m
Southwest
Mon 4/201:05 pm
SAN
- TUS
1 stop5h 55m
Southwest
Deal found 3/27![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 3/31. 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 5/286:05 am
TUS
- SAN
Nonstop1h 20m
Southwest
Fri 5/297:50 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 3/31![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 3/31. 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 5/3010:35 am
TUS
- SAN
2 stops7h 10m
Southwest
Mon 6/14:40 pm
SAN
- TUS
2 stops6h 10m
Southwest
Deal found 3/31![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 3/31. 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 6/115:45 am
TUS
- SAN
Nonstop1h 20m
Southwest
Mon 6/157:40 pm
SAN
- TUS
Nonstop1h 25m
Southwest
Deal found 3/31![Southwest logo]()
$315
Last-minute flights from Tucson to San DiegoDiscover last-minute flight deals from Tucson to San Diego. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to San Diego. Data last updated April 1, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/312:08 pm
TUS
- SAN
1 stop11h 54m
Frontier
Sun 4/59:56 pm
SAN
- TUS
1 stop10h 11m
Frontier
Deal found 3/27![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 3/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:08 pm
TUS
- SAN
1 stop11h 54m
Frontier
Sun 4/129:56 pm
SAN
- TUS
1 stop10h 11m
Frontier
Deal found 3/28![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 3/31. 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 4/216:05 pm
TUS
- SAN
Nonstop1h 25m
Southwest
Thu 4/238:35 am
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 3/31![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 3/30. 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 4/254:25 pm
TUS
- SAN
Nonstop1h 25m
Southwest
Mon 4/277:50 pm
SAN
- TUS
Nonstop1h 30m
Southwest
Deal found 3/30![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 3/30. 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 4/254:25 pm
TUS
- SAN
Nonstop1h 25m
Southwest
Tue 4/286:20 am
SAN
- TUS
1 stop5h 35m
Southwest
Deal found 3/30![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 3/30. 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 4/2511:15 am
TUS
- SAN
1 stop3h 35m
Delta
Tue 4/286:20 am
SAN
- TUS
2 stops9h 53m
Delta
Deal found 3/30![Delta logo]()
$254
This Southwest deal was found by Cheapflights users on 3/31. 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 4/2812:45 pm
TUS
- SAN
2 stops5h 40m
Southwest
Mon 5/44:20 pm
SAN
- TUS
2 stops6h 05m
Southwest
Deal found 3/31![Southwest logo]()
$248
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 April 1, 2026.
Search for one-way flight options from Tucson to San Diego. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Southwest deal was found by Cheapflights users on 3/31. 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 5/126:05 am
TUS
- SAN
Nonstop1h 20m
Southwest
Deal found 3/31![Southwest logo]()
$99
This Delta deal was found by Cheapflights users on 3/31. 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 4/215:37 pm
TUS
- SAN
1 stop4h 59m
Delta
Deal found 3/31![Delta logo]()
$104
This Southwest deal was found by Cheapflights users on 3/30. 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 6/305:15 am
TUS
- SAN
1 stop3h 55m
Southwest
Deal found 3/30![Southwest logo]()
$109
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:08 pm
TUS
- SAN
1 stop8h 18m
Frontier
Deal found 3/31![Frontier logo]()
$111
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:53 am
TUS
- SAN
1 stop8h 33m
Frontier
Deal found 3/30![Frontier logo]()
$115
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:08 pm
TUS
- SAN
1 stop11h 54m
Frontier
Deal found 3/30![Frontier logo]()
$117
This Southwest deal was found by Cheapflights users on 3/27. 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 4/276:40 pm
TUS
- SAN
Nonstop1h 20m
Southwest
Deal found 3/27![Southwest logo]()
$120
This Delta deal was found by Cheapflights users on 3/31. 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 4/275:37 pm
TUS
- SAN
1 stop4h 59m
Delta
Deal found 3/31![Delta logo]()
$125
This Southwest deal was found by Cheapflights users on 3/28. 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 4/255:25 am
TUS
- SAN
2 stops6h 05m
Southwest
Deal found 3/28![Southwest logo]()
$135
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Frontier) |
One-way from | $99 (Southwest) |
Popular in | January |
Cheapest in | April |
Average price | $227 |
Good round-trip deal | $279 or less |
Good one-way deal | $163 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 April 1, 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
Mon 5/11
5:35 am-11:20 am
1 stop5h 45m
San Diego
Mon 5/18
7:50 pm-9:20 pm
Nonstop1h 30m
$249
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Sat 4/18
5:25 am-11:30 am
2 stops6h 05m
San Diego
Mon 4/20
1:05 pm-7:00 pm
1 stop5h 55m
$264
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Thu 5/28
6:05 am-7:25 am
Nonstop1h 20m
San Diego
Fri 5/29
7:50 pm-9:20 pm
Nonstop1h 30m
$277
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Sat 5/30
6:50 am-10:21 am
1 stop3h 31m
San Diego
Mon 6/1
1:30 pm-9:30 pm
1 stop8h 00m
$292
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Sat 5/30
10:35 am-5:45 pm
2 stops7h 10m
San Diego
Mon 6/1
4:40 pm-10:50 pm
2 stops6h 10m
$307
Quickest round-trip
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Thu 6/11
5:45 am-7:05 am
Nonstop1h 20m
San Diego
Mon 6/15
7:40 pm-9:05 pm
Nonstop1h 25m
$315
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Mon 4/27
7:10 pm-12:29 am
1 stop5h 19m
San Diego
Mon 5/4
6:26 pm-11:14 pm
1 stop4h 48m
$319
Cheapest one-way
Quickest one-way
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Wed 5/13
6:05 am-7:25 am
Nonstop1h 20m
$99
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Thu 5/28
6:40 pm-8:00 pm
Nonstop1h 20m
$120
TucsonSan Diego
TUS - SAN
TUSSAN
Tucson
Mon 4/20
6:40 pm-8:00 pm
Nonstop1h 20m
$120
Showing 1-10 of 19 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 April.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Tucson to San Diego. Price data was last updated on March 13, 2026.
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 57 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 $97). Flying from Tucson to San Diego in November is currently the most expensive (average of $177). 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 April 1, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Tucson to San Diego by exploring options for tickets in the afternoon.
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 April 1, 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.
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Tucson
Popular flights
San Diego flight routes
Alternative routes for Tucson to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tucson to San Diego by cabin class
Find flights from Tucson to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tucson and San Diego flights
Browse other Tucson and San Diego flight options. Last updated on April 1, 2026.
Other flights from Tucson
Browse through other flights departing from Tucson. Flights are based on user searches made on Cheapflights and were last updated on April 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 1, 2026.
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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$109 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$181 | Average$341 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$186 | Average$362 | FlexibilityNo cancel fee | On-time71% |