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Ontario to Las Vegas in November 2026 ONT → LAS

Ontario International Airport (ONT) → McCarran International Airport (LAS)

For departures in November 2026, the cheapest return found recently is $113 with Frontier Airlines, 3 Nov – 7 Nov, found today. The cheapest one-way found recently is $48 with Frontier Airlines, 17 Nov, found 14 hours ago.

Return

In November 2026, the cheapest return fare on each of 15 departure dates is usually $101 to $120. Across all 25 departure dates we hold on this route, it is usually $101 to $166. Of the 3 months with enough return fares to compare, November 2026 is usually the cheapest.

Cheapest return found recently

$113

3 Nov – 7 Nov · Frontier Airlines

Ontario International Airport (ONT) → McCarran International Airport (LAS)

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$66

19 Nov – 26 Nov · Frontier Airlines

Ontario International Airport (ONT) → McCarran International Airport (LAS)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
19 Nov – 26 Nov$66Frontier Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Nov – 12 Nov$73Frontier Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Nov – 1 Dec$84Frontier Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
4 Nov – 5 Nov$100Frontier Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Nov – 5 Nov$101Frontier Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

15 departure dates

2 Nov – 5 Nov: $101, found 5 days ago3 Nov – 7 Nov: $113, found today4 Nov – 5 Nov: $100, found 4 days ago5 Nov – 8 Nov: $125, found 4 days ago10 Nov – 12 Nov: $73, found 5 days ago12 Nov – 12 Nov: $143, found 3 days ago13 Nov – 14 Nov: $108, found 3 days ago14 Nov – 16 Nov: $109, found 3 days ago15 Nov – 16 Nov: $138, found 3 days ago16 Nov – 17 Nov: $108, found 3 days ago17 Nov – 18 Nov: $103, found 3 days ago19 Nov – 26 Nov: $66, found 4 days ago24 Nov – 10 Jan 2027: $115, found yesterday25 Nov – 27 Nov: $137, found 2 days ago26 Nov – 1 Dec: $84, found 4 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Nov – 5 Nov$101Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
3 Nov – 7 Nov$113Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound todaySee prices for these dates
4 Nov – 5 Nov$100Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
5 Nov – 8 Nov$125Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Nov – 12 Nov$73Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
12 Nov – 12 Nov$143Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
13 Nov – 14 Nov$108Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
14 Nov – 16 Nov$109Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
15 Nov – 16 Nov$138Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
16 Nov – 17 Nov$108Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Nov – 18 Nov$103Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Nov – 26 Nov$66Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
24 Nov – 10 Jan 2027$115Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Nov – 27 Nov$137Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Nov – 1 Dec$84Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $66.

October 2026From $1663 departure dates31 Oct – 5 Nov · found 6 days agoSee prices for these dates
November 2026From $66Cheapest seen15 departure dates19 Nov – 26 Nov · found 4 days agoSee prices for these dates
December 2026From $834 departure dates11 Dec – 12 Dec · found 4 days agoSee prices for these dates
February 2027From $1791 departure date16 Feb 2027 – 28 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $2182 departure dates23 Mar 2027 – 30 Mar 2027 · found 2 days agoSee prices for these dates

One-way

In November 2026, the cheapest one-way fare on each of 14 departure dates is usually $49 to $59. Across all 32 departure dates we hold on this route, it is usually $55 to $119. Of the 3 months with enough one-way fares to compare, November 2026 is usually the cheapest.

Cheapest one-way found recently

$48

17 Nov · Frontier Airlines

Ontario International Airport (ONT) → McCarran International Airport (LAS)

nonstop

found 14 hours ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
10 Nov$48Frontier Airlinesnonstopfound 4 days agoOpen this trip
17 Nov$48Frontier Airlinesnonstopfound 14 hours agoOpen this trip
18 Nov$48Frontier Airlinesnonstopfound 3 days agoOpen this trip
4 Nov$49Frontier Airlinesnonstopfound 3 days agoOpen this trip
6 Nov$49Frontier Airlinesnonstopfound 4 days agoOpen this trip

Every date we hold

14 departure dates

1 Nov: $88, found yesterday2 Nov: $57, found 23 hours ago3 Nov: $50, found today4 Nov: $49, found 3 days ago6 Nov: $49, found 4 days ago10 Nov: $48, found 4 days ago11 Nov: $57, found 23 hours ago15 Nov: $82, found yesterday16 Nov: $60, found yesterday17 Nov: $48, found 14 hours ago18 Nov: $48, found 3 days ago19 Nov: $51, found 3 days ago20 Nov: $91, found 3 days ago24 Nov: $51, found yesterdayNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Nov$88Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound yesterdayOpen this trip
2 Nov$57Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 23 hours agoOpen this trip
3 Nov$50Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound todayOpen this trip
4 Nov$49Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
6 Nov$49Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 4 days agoOpen this trip
10 Nov$48Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 4 days agoOpen this trip
11 Nov$57Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 23 hours agoOpen this trip
15 Nov$82Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound yesterdayOpen this trip
16 Nov$60Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound yesterdayOpen this trip
17 Nov$48Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 14 hours agoOpen this trip
18 Nov$48Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
19 Nov$51Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
20 Nov$91Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
24 Nov$51Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound yesterdayOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $48.

October 2026From $1045 departure dates25 Oct · found 4 days agoOpen this trip
November 2026From $48Cheapest seen14 departure dates10 Nov · found 4 days agoOpen this trip
December 2026From $585 departure dates2 Dec · found yesterdayOpen this trip
January 2027From $682 departure dates1 Jan 2027 · found 5 days agoOpen this trip
February 2027From $1161 departure date7 Feb 2027 · found yesterdayOpen this trip
March 2027From $1252 departure dates10 Mar 2027 · found 4 days agoOpen this trip
May 2027From $1802 departure dates12 May 2027 · found todayOpen this trip
July 2027From $1891 departure date19 Jul 2027 · found 6 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work