$34+ Cheap flights from Ontario (ONT) to Nevada
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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAS
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Nevada 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
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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 Nevada
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Cheapest flights from Ontario to NevadaExplore the most affordable flight options available from Ontario to Nevada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
Explore the most affordable flight options available from Ontario to Nevada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2026.
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Thu 8/62:45 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/3![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 6/3. 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 7/281:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Thu 7/302:45 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/3![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Sun 8/167:00 am
LAS
- ONT
Nonstop1h 03m
Frontier
Deal found 6/4![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 6/4. 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.
Wed 7/291:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Sat 8/17:00 am
LAS
- ONT
Nonstop1h 03m
Frontier
Deal found 6/4![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Sat 7/41:55 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/7![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:16 am
ONT
- LAS
Nonstop1h 11m
Frontier
Mon 9/147:45 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/7![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 9/122:58 pm
ONT
- LAS
Nonstop1h 10m
Frontier
Mon 9/147:45 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/7![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 6/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:43 am
ONT
- LAS
Nonstop1h 08m
Frontier
Tue 9/86:40 pm
LAS
- ONT
Nonstop1h 08m
Frontier
Deal found 6/7![Frontier logo]()
$81
This CheapOair deal was found by Cheapflights users on 6/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Fri 7/31:55 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/4![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 6/3. 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 8/203:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Sat 9/123:00 pm
LAS
- ONT
Nonstop1h 10m
Frontier
Deal found 6/3![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:43 am
ONT
- LAS
Nonstop1h 08m
Frontier
Sat 8/291:56 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/4![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Sun 8/236:40 pm
LAS
- ONT
Nonstop1h 08m
Frontier
Deal found 6/4![Frontier logo]()
$86
Best flights from Ontario to NevadaDiscover carefully curated flight deals from Ontario to Nevada that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
Discover carefully curated flight deals from Ontario to Nevada that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 8, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. 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 8/276:00 am
ONT
- LAS
1 stop4h 22m
United Airlines
Fri 8/281:34 pm
LAS
- ONT
1 stop4h 37m
United Airlines
Deal found 6/5![United Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 6/7. 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 6/256:30 am
ONT
- LAS
2 stops5h 05m
Southwest
Fri 7/310:25 pm
LAS
- ONT
Nonstop1h 05m
Southwest
Deal found 6/7![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 6/5. 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 7/225:10 pm
ONT
- RNO
1 stop6h 37m
Delta
Fri 7/245:35 pm
RNO
- ONT
1 stop6h 13m
Delta
Deal found 6/5![Delta logo]()
$370
This Southwest deal was found by Cheapflights users on 6/8. 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 9/186:45 pm
ONT
- LAS
1 stop3h 15m
Southwest
Sun 9/205:35 am
LAS
- ONT
1 stop3h 50m
Southwest
Deal found 6/8![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 6/3. 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 7/168:45 pm
ONT
- LAS
1 stop3h 10m
Southwest
Mon 7/207:35 pm
LAS
- ONT
1 stop4h 35m
Southwest
Deal found 6/3![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 6/4. 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 8/11:25 pm
ONT
- LAS
2 stops7h 25m
Southwest
Sun 8/25:05 am
LAS
- ONT
1 stop4h 00m
Southwest
Deal found 6/4![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 6/286:00 am
ONT
- RNO
1 stop3h 27m
United Airlines
Tue 6/306:55 pm
RNO
- ONT
1 stop3h 42m
United Airlines
Deal found 6/6![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 6/6. 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 7/198:00 am
ONT
- LAS
1 stop3h 30m
Southwest
Wed 7/225:10 pm
LAS
- ONT
2 stops5h 05m
Southwest
Deal found 6/6![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 6/7. 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 7/246:00 am
ONT
- TWF
1 stop3h 46m
Delta
Fri 7/316:15 am
TWF
- ONT
1 stop3h 32m
Delta
Deal found 6/7![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 6/7. 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 7/176:10 am
ONT
- LAS
1 stop4h 20m
Southwest
Sun 7/195:05 am
LAS
- ONT
1 stop4h 00m
Southwest
Deal found 6/7![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 6/5. 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 7/109:40 am
ONT
- TWF
1 stop3h 54m
Delta
Sat 7/1111:35 am
TWF
- ONT
2 stops12h 17m
Delta
Deal found 6/5![Delta logo]()
$422
This Southwest deal was found by Cheapflights users on 6/7. 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 7/166:30 am
ONT
- LAS
2 stops5h 05m
Southwest
Fri 7/174:45 pm
LAS
- ONT
2 stops4h 50m
Southwest
Deal found 6/7![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/4. 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 7/26:30 am
ONT
- LAS
2 stops5h 05m
Southwest
Sun 7/57:45 pm
LAS
- ONT
1 stop4h 25m
Southwest
Deal found 6/4![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 6/6. 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 7/56:00 am
ONT
- TWF
1 stop3h 46m
Delta
Sat 7/1111:35 am
TWF
- ONT
1 stop5h 55m
Delta
Deal found 6/6![Delta logo]()
$492
This Southwest deal was found by Cheapflights users on 6/4. 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 9/116:10 am
ONT
- LAS
2 stops5h 15m
Southwest
Sun 9/138:05 am
LAS
- ONT
1 stop5h 20m
Southwest
Deal found 6/4![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 6/7. 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 9/51:00 pm
ONT
- RNO
1 stop7h 55m
Southwest
Mon 9/76:00 am
RNO
- ONT
2 stops6h 10m
Southwest
Deal found 6/7![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 6/3. 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 7/85:10 pm
ONT
- TWF
1 stop4h 07m
Delta
Sat 7/1111:35 am
TWF
- ONT
1 stop5h 55m
Delta
Deal found 6/3![Delta logo]()
$552
This Southwest deal was found by Cheapflights users on 6/4. 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 8/218:10 am
ONT
- RNO
2 stops9h 30m
Southwest
Mon 8/2410:50 am
RNO
- ONT
1 stop4h 15m
Southwest
Deal found 6/4![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 6/3. 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 7/35:15 pm
ONT
- RNO
2 stops6h 20m
Southwest
Wed 7/86:40 am
RNO
- ONT
2 stops5h 45m
Southwest
Deal found 6/3![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 6/6. 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 8/263:00 pm
ONT
- RNO
2 stops6h 15m
Southwest
Sat 8/2911:35 am
RNO
- ONT
2 stops6h 45m
Southwest
Deal found 6/6![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 6/4. 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 8/296:00 am
ONT
- TWF
1 stop5h 23m
Delta
Mon 9/76:16 am
TWF
- ONT
1 stop3h 32m
Delta
Deal found 6/4![Delta logo]()
$732
This Southwest deal was found by Cheapflights users on 6/7. 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 7/710:10 am
ONT
- RNO
2 stops6h 05m
Southwest
Tue 7/141:55 pm
RNO
- ONT
2 stops5h 45m
Southwest
Deal found 6/7![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 6/6. 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 7/264:50 pm
ONT
- RNO
2 stops6h 10m
Southwest
Wed 8/129:30 am
RNO
- ONT
1 stop3h 10m
Southwest
Deal found 6/6![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 6/7. 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 7/66:30 am
ONT
- RNO
2 stops6h 25m
Southwest
Mon 7/137:45 pm
RNO
- ONT
1 stop3h 50m
Southwest
Deal found 6/7![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 6/4. 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 7/15:15 am
ONT
- RNO
2 stops6h 00m
Southwest
Wed 7/84:40 pm
RNO
- ONT
2 stops5h 35m
Southwest
Deal found 6/4![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 6/7. 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 6/296:30 am
ONT
- RNO
2 stops6h 25m
Southwest
Mon 7/67:00 pm
RNO
- ONT
1 stop5h 10m
Southwest
Deal found 6/7![Southwest logo]()
$384
Last-minute flights from Ontario to NevadaDiscover last-minute flight deals from Ontario to Nevada. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Nevada. Data last updated June 8, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Fri 7/31:55 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/4![Frontier logo]()
$82
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:33 pm
ONT
- RNO
1 stop24h 40m
Frontier
Wed 7/88:47 pm
RNO
- ONT
1 stop19h 07m
Frontier
Deal found 6/6![Frontier logo]()
$240
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:33 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Fri 7/31:55 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/7![Frontier logo]()
$76
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Sat 7/41:55 pm
LAS
- ONT
Nonstop1h 13m
Frontier
Deal found 6/7![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Sat 7/46:43 pm
LAS
- ONT
Nonstop1h 08m
Frontier
Deal found 6/7![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 6/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:58 am
ONT
- LAS
Nonstop1h 08m
Frontier
Fri 7/36:43 pm
LAS
- ONT
Nonstop1h 08m
Frontier
Deal found 6/5![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 6/6. 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.
Wed 7/81:38 pm
ONT
- RNO
1 stop6h 24m
Frontier
Tue 7/141:25 pm
RNO
- ONT
1 stop18h 38m
Frontier
Deal found 6/6![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 6/3. 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 7/281:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Thu 7/302:45 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/3![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 6/4. 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.
Wed 7/291:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Sat 8/17:00 am
LAS
- ONT
Nonstop1h 03m
Frontier
Deal found 6/4![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 6/7. 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.
Wed 7/293:40 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Fri 7/317:00 am
LAS
- ONT
Nonstop1h 03m
Frontier
Deal found 6/7![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:40 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Wed 8/52:05 pm
LAS
- ONT
Nonstop1h 09m
Frontier
Deal found 6/7![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Fri 7/3111:52 am
ONT
- LAS
Nonstop1h 10m
Frontier
Sun 8/27:00 am
LAS
- ONT
Nonstop1h 03m
Frontier
Deal found 6/4![Frontier logo]()
$90
One-way flights from Ontario to NevadaSearch for one-way flight options from Ontario to Nevada. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
Search for one-way flight options from Ontario to Nevada. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Super.com deal was found by Cheapflights users on 6/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Deal found 6/4![Frontier logo]()
$34
This Trip.com deal was found by Cheapflights users on 6/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Deal found 6/4![Frontier logo]()
$35
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:34 pm
ONT
- LAS
Nonstop1h 12m
Frontier
Deal found 6/7![Frontier logo]()
$38
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 9/122:58 pm
ONT
- LAS
Nonstop1h 10m
Frontier
Deal found 6/7![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 6/7. 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 9/172:58 pm
ONT
- LAS
Nonstop1h 10m
Frontier
Deal found 6/7![Frontier logo]()
$41
This Frontier deal was found by Cheapflights users on 6/4. 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 8/64:34 pm
ONT
- LAS
Nonstop1h 09m
Frontier
Deal found 6/4![Frontier logo]()
$43
This Frontier deal was found by Cheapflights users on 6/7. 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.
Sat 8/13:40 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Deal found 6/7![Frontier logo]()
$44
This Frontier deal was found by Cheapflights users on 6/4. 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 8/94:34 pm
ONT
- LAS
Nonstop1h 09m
Frontier
Deal found 6/4![Frontier logo]()
$45
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:43 am
ONT
- LAS
Nonstop1h 08m
Frontier
Deal found 6/7![Frontier logo]()
$46
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:38 pm
ONT
- LAS
Nonstop1h 11m
Frontier
Deal found 6/6![Frontier logo]()
$47
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:58 pm
ONT
- LAS
Nonstop1h 10m
Frontier
Deal found 6/3![Frontier logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/311:52 am
ONT
- RNO
1 stop24h 48m
Frontier
Deal found 6/4![Frontier logo]()
$105
Find flight deals from Ontario to Nevada
Keep the following information in mind while searching for Ontario to Nevada flight deals. Data was last updated June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $74 (CheapOair) |
One-way from | $34 (Super.com) |
Popular in | May |
Cheapest in | September |
Average price | $129 |
Good round-trip deal | $183 or less |
Good one-way deal | $130 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Nevada 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 8, 2026.
Use the filters below to find and compare flights from Ontario to Nevada that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Thu 8/27
6:00 am-10:22 am
1 stop4h 22m
Las Vegas Harry Reid Intl
Fri 8/28
1:34 pm-6:11 pm
1 stop4h 37m
$245
Quickest round-trip
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Thu 6/25
6:30 am-11:35 am
2 stops5h 05m
Las Vegas Harry Reid Intl
Fri 7/3
10:25 pm-11:30 pm
Nonstop1h 05m
$278
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Fri 9/18
6:45 pm-10:00 pm
1 stop3h 15m
Las Vegas Harry Reid Intl
Sun 9/20
5:35 am-9:25 am
1 stop3h 50m
$286
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Thu 7/16
8:45 pm-11:55 pm
1 stop3h 10m
Las Vegas Harry Reid Intl
Mon 7/20
7:35 pm-12:10 am
1 stop4h 35m
$289
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Sat 8/1
1:25 pm-8:50 pm
2 stops7h 25m
Las Vegas Harry Reid Intl
Sun 8/2
5:05 am-9:05 am
1 stop4h 00m
$294
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Sun 7/19
8:00 am-11:30 am
1 stop3h 30m
Las Vegas Harry Reid Intl
Wed 7/22
5:10 pm-10:15 pm
2 stops5h 05m
$295
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Fri 7/17
6:10 am-10:30 am
1 stop4h 20m
Las Vegas Harry Reid Intl
Sun 7/19
5:05 am-9:05 am
1 stop4h 00m
$299
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Thu 7/16
6:30 am-11:35 am
2 stops5h 05m
Las Vegas Harry Reid Intl
Fri 7/17
4:45 pm-9:35 pm
2 stops4h 50m
$309
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Thu 7/2
6:30 am-11:35 am
2 stops5h 05m
Las Vegas Harry Reid Intl
Sun 7/5
7:45 pm-12:10 am
1 stop4h 25m
$314
OntarioLas Vegas
ONT - LAS
ONTLAS
Ontario
Fri 9/11
6:10 am-11:25 am
2 stops5h 15m
Las Vegas Harry Reid Intl
Sun 9/13
8:05 am-1:25 pm
1 stop5h 20m
$321
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from Ontario to Nevada
Have a flexible travel schedule? Discover the best time to fly to Nevada from Ontario with our price prediction graph.
ONT-LAS
ONT-RNO
ONT-TWF
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 Nevada
ONT-USNV
ONT-LAS
ONT-RNO
ONT-TWF
What is the cheapest month to book a flight from Ontario to Nevada?
Currently, December is the cheapest month in which you can book a flight from Ontario to Nevada (average of $38). Flying from Ontario to Nevada in November is currently the most expensive (average of $424). 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 ONT to NV?
Find hourly flight availability from Ontario to Nevada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 8, 2026.
It’s optimal to fly from Ontario to Nevada at noon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Ontario to Nevada
Explore weekly flight availability from Ontario to Nevada. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 8, 2026.
The most flights from ONT to USNV are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Ontario to Nevada?
How far ahead should I book a flight from Ontario to Nevada?
To ensure you get the cheapest price possible for a flight from Ontario to Nevada, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Ontario to Nevada?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Nevada. Price data was last updated on June 8, 2026.
Travelers seeking maximum savings on their Ontario to Nevada flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Nevada
Get insights into the airlines that provide service to Nevada. 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 Nevada. Reviews last updated June 8, 2026.
Read through reviews of airlines operating flights from Ontario to Nevada, such as Southwest,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Nevada. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Nevada
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Nevada by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Nevada by cabin class
Find flights from Ontario to Nevada, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Nevada flights
Browse other Ontario and Nevada flight options. Last updated on June 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Nevada flights
Consider these flights traveling from Ontario to Nevada.
Top 5 airlines flying from Ontario to Nevada
Discover the top 5 airlines that operate flights from Ontario to Nevada. 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$169 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$311 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$129 | Average$259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$289 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$228 | Average$321 | FlexibilityNo cancel fee | On-time69% |