$264+ Cheap flights from Ontario to Valparaiso, FL (ONT - VPS)
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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — VPS
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Valparaiso 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 Valparaiso
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Best
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One-way
Cheapest flights from Ontario to ValparaisoExplore the most affordable flight options available from Ontario to Valparaiso. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Ontario to Valparaiso. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 9/1212:17 pm -
1 stop9h 05m
Fri 9/185:05 pm -
1 stop7h 19m
Deal found 8/13![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/13. 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 9/277:05 am -
1 stop6h 55m
Sat 10/36:00 am -
1 stop7h 05m
Deal found 8/13![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 8/14. 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 10/2211:15 pm -
1 stop7h 20m
Tue 10/276:00 am -
1 stop7h 06m
Deal found 8/14![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 8/15. 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 12/311:10 pm -
1 stop7h 34m
Sun 12/65:00 pm -
1 stop6h 59m
Deal found 8/15![Delta logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:56 pm -
1 stop18h 23m
Wed 9/24:40 pm -
2 stops17h 23m
Deal found 8/14![Multiple Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/2412:37 pm -
1 stop6h 28m
Tue 9/297:22 am -
1 stop6h 25m
Deal found 8/14![American Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 8/16. 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 12/2210:59 pm -
1 stop7h 36m
Fri 12/2512:05 pm -
1 stop8h 13m
Deal found 8/16![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 8/15. 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 9/2410:00 pm -
1 stop8h 34m
Tue 9/296:00 am -
1 stop7h 05m
Deal found 8/15![Delta logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
1 stop8h 19m
Wed 9/24:40 pm -
2 stops17h 23m
Deal found 8/14![Multiple Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/14. 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 8/297:05 am -
1 stop9h 37m
Wed 9/22:45 pm -
1 stop7h 08m
Deal found 8/14![Delta logo]()
$475
This Southwest deal was found by Cheapflights users on 8/13. 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 9/277:00 am -
1 stop10h 20m
Sat 10/311:05 am -
2 stops9h 15m
Deal found 8/13![Southwest logo]()
$477
This Delta deal was found by Cheapflights users on 8/16. 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 9/1112:17 pm -
1 stop9h 05m
Mon 9/145:05 pm -
1 stop7h 19m
Deal found 8/16![Delta logo]()
$478
Best flights from Ontario to ValparaisoDiscover carefully curated flight deals from Ontario to Valparaiso that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Ontario to Valparaiso that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 9/1212:17 pm -
1 stop9h 05m
Fri 9/185:05 pm -
1 stop7h 19m
Deal found 8/13![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 8/13. 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 9/277:00 am -
1 stop10h 20m
Sat 10/311:05 am -
2 stops9h 15m
Deal found 8/13![Southwest logo]()
$477
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/248:25 am -
2 stops13h 18m
Tue 9/297:15 am -
2 stops13h 38m
Deal found 8/15![American Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 8/13. 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 9/277:05 am -
1 stop6h 55m
Sat 10/36:00 am -
1 stop7h 05m
Deal found 8/13![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 8/15. 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 12/311:10 pm -
1 stop7h 34m
Sun 12/65:00 pm -
1 stop6h 59m
Deal found 8/15![Delta logo]()
$413
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/278:25 am -
2 stops13h 18m
Sat 10/37:15 am -
2 stops13h 02m
Deal found 8/13![American Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 8/15. 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 9/2410:00 pm -
1 stop8h 34m
Tue 9/296:00 am -
1 stop7h 05m
Deal found 8/15![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 8/14. 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 10/2211:15 pm -
1 stop7h 20m
Sun 10/256:00 am -
1 stop7h 06m
Deal found 8/14![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 8/16. 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 12/2312:00 pm -
1 stop18h 35m
Fri 12/2512:05 pm -
1 stop8h 13m
Deal found 8/16![Delta logo]()
$555
This Delta deal was found by Cheapflights users on 8/16. 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 12/2010:59 pm -
1 stop7h 36m
Thu 12/244:20 pm -
2 stops32h 08m
Deal found 8/16![Delta logo]()
$644
This Delta deal was found by Cheapflights users on 8/12. 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 10/1611:15 pm -
1 stop7h 20m
Fri 10/235:07 pm -
1 stop6h 47m
Deal found 8/12![Delta logo]()
$735
Last-minute flights from Ontario to ValparaisoDiscover last-minute flight deals from Ontario to Valparaiso. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Valparaiso. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
1 stop8h 19m
Wed 9/24:40 pm -
2 stops17h 23m
Deal found 8/14![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:56 pm -
1 stop18h 23m
Wed 9/24:40 pm -
2 stops17h 23m
Deal found 8/14![Multiple Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/14. 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 8/297:05 am -
1 stop9h 37m
Wed 9/22:45 pm -
1 stop7h 08m
Deal found 8/14![Delta logo]()
$475
This Southwest deal was found by Cheapflights users on 8/14. 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 8/297:05 am -
2 stops8h 30m
Wed 9/212:05 pm -
2 stops10h 50m
Deal found 8/14![Southwest logo]()
$486
This Delta deal was found by Cheapflights users on 8/16. 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 9/1112:17 pm -
1 stop9h 05m
Mon 9/145:05 pm -
1 stop7h 19m
Deal found 8/16![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 8/13. 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 9/1212:17 pm -
1 stop9h 05m
Fri 9/185:05 pm -
1 stop7h 19m
Deal found 8/13![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/2412:37 pm -
1 stop6h 28m
Tue 9/297:22 am -
1 stop6h 25m
Deal found 8/14![American Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 8/16. 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 9/2410:00 pm -
1 stop8h 34m
Tue 9/296:00 am -
1 stop7h 05m
Deal found 8/16![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 8/13. 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 9/277:05 am -
1 stop6h 55m
Sat 10/36:00 am -
1 stop7h 05m
Deal found 8/13![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 8/13. 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 9/277:00 am -
1 stop10h 20m
Sat 10/311:05 am -
2 stops9h 15m
Deal found 8/13![Southwest logo]()
$477
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/278:25 am -
2 stops13h 18m
Sat 10/34:29 pm -
1 stop8h 08m
Deal found 8/13![American Airlines logo]()
$487
One-way flights from Ontario to ValparaisoSearch for one-way flight options from Ontario to Valparaiso. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Ontario to Valparaiso. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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 12/285:10 am -
2 stops10h 05m
Deal found 8/12![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 8/12. 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 12/2810:59 pm -
1 stop7h 36m
Deal found 8/12![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 8/14. 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 8/2212:00 pm -
1 stop7h 44m
Deal found 8/14![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 8/12. 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 12/2610:59 pm -
1 stop7h 36m
Deal found 8/12![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/14. 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 8/237:05 am -
1 stop9h 32m
Deal found 8/14![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/12. 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 12/269:30 am -
2 stops10h 23m
Deal found 8/12![American Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2810:32 pm -
3 stops18h 47m
Deal found 8/12![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:05 am -
3 stops48h 58m
Deal found 8/12![Multiple Airlines logo]()
$678
Find flight deals from Ontario to Valparaiso
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Valparaiso (VPS). 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Delta) |
One-way from | $264 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Valparaiso 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 August 17, 2026.
Use the filters below to find and compare flights from Ontario to Valparaiso that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Sat 9/12
12:17 pm-11:22 pm
1 stop9h 05m
Valparaiso Destin-Ft Walton Beach
Fri 9/18
5:05 pm-10:24 pm
1 stop7h 19m
$312
Quickest round-trip
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Sun 9/27
7:05 am-4:00 pm
1 stop6h 55m
Valparaiso Destin-Ft Walton Beach
Sat 10/3
6:00 am-11:05 am
1 stop7h 05m
$353
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Thu 12/3
11:10 pm-8:44 am
1 stop7h 34m
Valparaiso Destin-Ft Walton Beach
Sun 12/6
5:00 pm-9:59 pm
1 stop6h 59m
$413
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Thu 9/24
10:00 pm-8:34 am
1 stop8h 34m
Valparaiso Destin-Ft Walton Beach
Tue 9/29
6:00 am-11:05 am
1 stop7h 05m
$472
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Thu 10/22
11:15 pm-8:35 am
1 stop7h 20m
Valparaiso Destin-Ft Walton Beach
Sun 10/25
6:00 am-11:06 am
1 stop7h 06m
$472
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Sun 9/27
7:00 am-7:20 pm
1 stop10h 20m
Valparaiso Destin-Ft Walton Beach
Sat 10/3
11:05 am-6:20 pm
2 stops9h 15m
$477
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Wed 12/23
12:00 pm-8:35 am
1 stop18h 35m
Valparaiso Destin-Ft Walton Beach
Fri 12/25
12:05 pm-6:18 pm
1 stop8h 13m
$555
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Thu 9/24
8:25 am-11:43 pm
2 stops13h 18m
Valparaiso Destin-Ft Walton Beach
Tue 9/29
7:15 am-6:53 pm
2 stops13h 38m
$570
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Sun 9/27
8:25 am-11:43 pm
2 stops13h 18m
Valparaiso Destin-Ft Walton Beach
Sat 10/3
7:15 am-6:17 pm
2 stops13h 02m
$570
OntarioValparaiso
ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach
ONTVPS
Ontario
Sun 12/20
10:59 pm-8:35 am
1 stop7h 36m
Valparaiso Destin-Ft Walton Beach
Thu 12/24
4:20 pm-10:28 pm
2 stops32h 08m
$644
Showing 1-10 of 19 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Ontario-Valparaiso, Florida flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Valparaiso, Florida flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Valparaiso, Florida flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Valparaiso, Florida 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-Valparaiso, Florida 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 Valparaiso
Have a flexible travel schedule? Discover the best time to fly to Valparaiso from Ontario with our price prediction graph.
ONT-VPS
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.
Reviews of airlines servicing Valparaiso
Get insights into the airlines that provide service to Valparaiso. 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 Valparaiso. Reviews last updated August 17, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Ontario to Valparaiso 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.
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Valparaiso. 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 Valparaiso flights
Browse other Ontario and Valparaiso flight options. Last updated on August 17, 2026.
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Top 2 airlines flying from Ontario to Valparaiso
Discover the top 2 airlines that operate flights from Ontario to Valparaiso. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$511 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$471 | Average$641 | FlexibilityNo cancel fee | On-timeN/A |