$148+ Cheap flights from Ontario to Tucson (ONT - TUS)
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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TUS
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Tucson 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.Cheap flight deals from Ontario to Tucson
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to TucsonExplore the most affordable flight options available from Ontario to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from Ontario to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 5/274:57 pm
ONT
- TUS
1 stop4h 33m
Delta
Wed 6/34:52 pm
TUS
- ONT
1 stop6h 42m
Delta
Deal found 4/28![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/196:15 am
ONT
- TUS
1 stop3h 42m
American Airlines
Tue 5/265:23 pm
TUS
- ONT
1 stop4h 34m
American Airlines
Deal found 4/26![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 4/28. 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 5/2710:45 am
ONT
- TUS
1 stop6h 00m
Southwest
Wed 6/36:35 am
TUS
- ONT
2 stops5h 00m
Southwest
Deal found 4/28![Southwest logo]()
$308
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:10 am
ONT
- TUS
1 stop3h 22m
American Airlines
Mon 6/16:30 pm
TUS
- ONT
1 stop3h 27m
American Airlines
Deal found 4/25![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 4/27. 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 5/185:05 pm
ONT
- TUS
1 stop6h 15m
Southwest
Wed 5/207:50 am
TUS
- ONT
1 stop3h 45m
Southwest
Deal found 4/27![Southwest logo]()
$335
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/186:15 am
ONT
- TUS
1 stop3h 42m
American Airlines
Tue 5/193:06 pm
TUS
- ONT
1 stop3h 18m
American Airlines
Deal found 4/27![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 4/24. 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 5/2812:50 pm
ONT
- TUS
1 stop6h 30m
Southwest
Fri 6/58:00 pm
TUS
- ONT
1 stop3h 30m
Southwest
Deal found 4/24![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 5/206:15 am
ONT
- TUS
1 stop5h 20m
American Airlines
Fri 5/226:30 pm
TUS
- ONT
1 stop3h 27m
American Airlines
Deal found 4/26![American Airlines logo]()
$355
Best flights from Ontario to TucsonDiscover carefully curated flight deals from Ontario to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from Ontario to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 7/156:00 am
ONT
- TUS
1 stop4h 24m
Delta
Tue 7/217:05 am
TUS
- ONT
1 stop5h 05m
Delta
Deal found 4/28![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 4/28. 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 7/153:30 pm
ONT
- TUS
2 stops6h 30m
Southwest
Tue 7/215:15 am
TUS
- ONT
2 stops7h 10m
Southwest
Deal found 4/28![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:18 pm
ONT
- TUS
1 stop6h 52m
United Airlines
Tue 10/205:25 am
TUS
- ONT
1 stop7h 16m
United Airlines
Deal found 4/24![United Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:41 pm
ONT
- TUS
1 stop16h 25m
Alaska Airlines
Sat 5/301:02 pm
TUS
- ONT
1 stop22h 08m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 4/27. 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.
Fri 5/294:25 pm
ONT
- TUS
2 stops6h 25m
Southwest
Sun 5/314:10 pm
TUS
- ONT
1 stop6h 25m
Southwest
Deal found 4/27![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 4/26. 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 6/188:45 pm
ONT
- TUS
1 stop2h 55m
Southwest
Mon 6/296:45 am
TUS
- ONT
1 stop6h 00m
Southwest
Deal found 4/26![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 4/28. 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 5/204:30 pm
ONT
- TUS
1 stop5h 40m
Southwest
Sun 5/246:40 am
TUS
- ONT
2 stops6h 25m
Southwest
Deal found 4/28![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 4/24. 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.
Mon 7/135:30 am
ONT
- TUS
1 stop3h 30m
Southwest
Fri 7/176:45 am
TUS
- ONT
2 stops8h 35m
Southwest
Deal found 4/24![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 4/24. 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 6/54:40 pm
ONT
- TUS
2 stops7h 00m
Southwest
Sun 6/76:20 pm
TUS
- ONT
1 stop5h 45m
Southwest
Deal found 4/24![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 4/25. 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 5/1610:30 am
ONT
- TUS
2 stops7h 10m
Southwest
Mon 5/187:00 pm
TUS
- ONT
1 stop4h 05m
Southwest
Deal found 4/25![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 4/27. 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 10/13:30 pm
ONT
- TUS
2 stops5h 55m
Southwest
Sun 10/45:10 am
TUS
- ONT
2 stops6h 20m
Southwest
Deal found 4/27![Southwest logo]()
$405
Last-minute flights from Ontario to TucsonDiscover last-minute flight deals from Ontario to Tucson. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Tucson. Data last updated April 29, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/27. 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 5/185:05 pm
ONT
- TUS
1 stop6h 15m
Southwest
Wed 5/207:50 am
TUS
- ONT
1 stop3h 45m
Southwest
Deal found 4/27![Southwest logo]()
$335
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 5/186:15 am
ONT
- TUS
1 stop3h 42m
American Airlines
Tue 5/193:06 pm
TUS
- ONT
1 stop3h 18m
American Airlines
Deal found 4/27![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/196:15 am
ONT
- TUS
1 stop3h 42m
American Airlines
Tue 5/265:23 pm
TUS
- ONT
1 stop4h 34m
American Airlines
Deal found 4/26![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 5/206:15 am
ONT
- TUS
1 stop5h 20m
American Airlines
Fri 5/226:30 pm
TUS
- ONT
1 stop3h 27m
American Airlines
Deal found 4/26![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/28. 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 5/274:57 pm
ONT
- TUS
1 stop4h 33m
Delta
Wed 6/34:52 pm
TUS
- ONT
1 stop6h 42m
Delta
Deal found 4/28![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 4/28. 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 5/2710:45 am
ONT
- TUS
1 stop6h 00m
Southwest
Wed 6/36:35 am
TUS
- ONT
2 stops5h 00m
Southwest
Deal found 4/28![Southwest logo]()
$308
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:10 am
ONT
- TUS
1 stop3h 22m
American Airlines
Mon 6/16:30 pm
TUS
- ONT
1 stop3h 27m
American Airlines
Deal found 4/25![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 4/24. 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 5/2812:50 pm
ONT
- TUS
1 stop6h 30m
Southwest
Fri 6/58:00 pm
TUS
- ONT
1 stop3h 30m
Southwest
Deal found 4/24![Southwest logo]()
$353
One-way flights from Ontario to TucsonSearch for one-way flight options from Ontario to Tucson. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from Ontario to Tucson. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 5/204:57 pm
ONT
- TUS
1 stop4h 33m
Delta
Deal found 4/28![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 5/306:00 am
ONT
- TUS
1 stop4h 24m
Delta
Deal found 4/24![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 4/25. 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 7/285:10 pm
ONT
- TUS
1 stop4h 47m
Delta
Deal found 4/25![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 5/296:00 am
ONT
- TUS
1 stop4h 24m
Delta
Deal found 4/24![Delta logo]()
$178
This Delta deal was found by Cheapflights users on 4/28. 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 5/194:57 pm
ONT
- TUS
1 stop4h 33m
Delta
Deal found 4/28![Delta logo]()
$180
This Southwest deal was found by Cheapflights users on 4/24. 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 5/294:25 pm
ONT
- TUS
2 stops6h 25m
Southwest
Deal found 4/24![Southwest logo]()
$183
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
ONT
- TUS
1 stop4h 24m
Delta
Deal found 4/26![Delta logo]()
$190
This Southwest deal was found by Cheapflights users on 4/24. 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 5/305:30 am
ONT
- TUS
2 stops7h 25m
Southwest
Deal found 4/24![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 4/25. 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.
Thu 7/306:00 am
ONT
- TUS
1 stop4h 24m
Delta
Deal found 4/25![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 4/27. 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.
Sun 6/76:00 am
ONT
- TUS
1 stop4h 29m
Delta
Deal found 4/27![Delta logo]()
$198
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 8/176:15 am
ONT
- TUS
1 stop3h 15m
American Airlines
Deal found 4/28![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 4/27. 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.
Sun 6/72:35 pm
ONT
- TUS
2 stops6h 40m
Southwest
Deal found 4/27![Southwest logo]()
$203
Find flight deals from Ontario to Tucson
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Tucson (TUS). 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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (Delta) |
One-way from | $148 (Delta) |
Popular in | April |
Cheapest in | February |
Average price | $439 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Tucson 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 29, 2026.
Use the filters below to find and compare flights from Ontario to Tucson that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Wed 7/15
6:00 am-10:24 am
1 stop4h 24m
Tucson
Tue 7/21
7:05 am-12:10 pm
1 stop5h 05m
$355
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Wed 7/15
3:30 pm-10:00 pm
2 stops6h 30m
Tucson
Tue 7/21
5:15 am-12:25 pm
2 stops7h 10m
$366
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Fri 5/29
4:25 pm-10:50 pm
2 stops6h 25m
Tucson
Sun 5/31
4:10 pm-10:35 pm
1 stop6h 25m
$380
Quickest round-trip
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Thu 6/18
8:45 pm-11:40 pm
1 stop2h 55m
Tucson
Mon 6/29
6:45 am-12:45 pm
1 stop6h 00m
$395
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Wed 5/20
4:30 pm-10:10 pm
1 stop5h 40m
Tucson
Sun 5/24
6:40 am-1:05 pm
2 stops6h 25m
$396
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Mon 7/13
5:30 am-9:00 am
1 stop3h 30m
Tucson
Fri 7/17
6:45 am-3:20 pm
2 stops8h 35m
$400
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Fri 6/5
4:40 pm-11:40 pm
2 stops7h 00m
Tucson
Sun 6/7
6:20 pm-12:05 am
1 stop5h 45m
$400
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Sat 5/16
10:30 am-5:40 pm
2 stops7h 10m
Tucson
Mon 5/18
7:00 pm-11:05 pm
1 stop4h 05m
$402
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Thu 10/1
3:30 pm-9:25 pm
2 stops5h 55m
Tucson
Sun 10/4
5:10 am-11:30 am
2 stops6h 20m
$405
OntarioTucson
ONT - TUS
ONTTUS
Ontario
Tue 10/13
1:18 pm-8:10 pm
1 stop6h 52m
Tucson
Tue 10/20
5:25 am-12:41 pm
1 stop7h 16m
$445
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Tucson
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 Ontario to Tucson in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Tucson flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Tucson flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Tucson flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Tucson 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 Ontario-Tucson 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 Ontario to Tucson
Have a flexible travel schedule? Discover the best time to fly to Tucson from Ontario with our price prediction graph.
ONT-TUS
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 Ontario to Tucson
What is the cheapest month to book a flight from Ontario to Tucson?
Currently, February is the cheapest month in which you can book a flight from Ontario to Tucson (average of $271). Flying from Ontario to Tucson in April is currently the most expensive (average of $439). 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.
How much does it cost to fly round-trip from Ontario to Tucson?
Reviews of airlines servicing Tucson
Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated April 29, 2026.
See what other customers who have flown with American Airlines and Frontier from Ontario to Tucson have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Food
6.4
Overall
7.1
Entertainment
6.9
Comfort
7.2
Crew
7.9
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Food
6.4
Overall
7.1
Entertainment
6.9
Comfort
7.2
Crew
7.9
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Food
6.4
Overall
7.1
Entertainment
6.9
Comfort
7.2
Crew
7.9
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Tucson. 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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Ontario and Tucson flights
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Top 2 airlines flying from Ontario to Tucson
Discover the top 2 airlines that operate flights from Ontario to Tucson. 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$199 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$355 | FlexibilityNo cancel fee | On-time71% |