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Ontario to Las Vegas flights in November 2026 from $68 ONT → LAS

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

For departures in November 2026, the cheapest return found recently is $111 with Frontier Airlines, 22 Nov – 25 Nov, found 2 days ago. The cheapest one-way found recently is $68 with Frontier Airlines, 30 Nov, found 2 days ago.

Return

In November 2026, the cheapest return fare on each of 9 departure dates is usually $111 to $210. Across all 27 departure dates we hold on this route, it is usually $46 to $140. Of the 3 months with enough return fares to compare, November 2026 is usually the most expensive.

Cheapest return found recently

$111

22 Nov – 25 Nov · Frontier Airlines

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$48

27 Nov – 30 Nov · Frontier Airlines

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

out nonstop, back nonstop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
27 Nov – 30 Nov$48Frontier Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
21 Nov – 25 Nov$73Frontier Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Nov – 25 Nov$111Frontier Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Nov – 27 Nov$130Frontier Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
15 Nov – 16 Nov$189Frontier Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

9 departure dates

13 Nov – 16 Nov: $210, found 4 days ago15 Nov – 16 Nov: $189, found 6 days ago17 Nov – 20 Nov: $212, found 3 days ago21 Nov – 25 Nov: $73, found 7 days ago22 Nov – 25 Nov: $111, found 2 days ago25 Nov – 27 Nov: $130, found 3 days ago26 Nov – 29 Nov: $193, found 4 days ago27 Nov – 30 Nov: $48, found 7 days ago28 Nov – 29 Nov: $353, found 5 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Nov – 16 Nov$210Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
15 Nov – 16 Nov$189Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 6 days agoSee prices for these dates
17 Nov – 20 Nov$212Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
21 Nov – 25 Nov$73Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 7 days agoSee prices for these dates
22 Nov – 25 Nov$111Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Nov – 27 Nov$130Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Nov – 29 Nov$193Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Nov – 30 Nov$48Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 7 days agoSee prices for these dates
28 Nov – 29 Nov$353Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $33.

November 2026From $489 departure dates27 Nov – 30 Nov · found 7 days agoSee prices for these dates
December 2026From $33Cheapest seen10 departure dates5 Dec – 9 Dec · found 3 days agoSee prices for these datesEvery date in December 2026
January 2027From $355 departure dates16 Jan 2027 – 19 Jan 2027 · found 4 days agoSee prices for these dates
March 2027From $1302 departure dates17 Mar 2027 – 19 Mar 2027 · found 2 days agoSee prices for these dates
June 2027From $3561 departure date17 Jun 2027 – 24 Jun 2027 · found 8 days agoSee prices for these dates

One-way

In November 2026, the cheapest one-way fare on each of 15 departure dates is usually $60 to $127. Across all 34 departure dates we hold on this route, it is usually $23 to $118. Of the 3 months with enough one-way fares to compare, November 2026 is usually the most expensive.

Cheapest one-way found recently

$68

30 Nov · Frontier Airlines

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$24

26 Nov · Frontier Airlines

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

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
26 Nov$24Frontier Airlinesnonstopfound 5 days agoOpen this trip
18 Nov$52Frontier Airlinesnonstopfound 5 days agoOpen this trip
22 Nov$57Frontier Airlinesnonstopfound 6 days agoOpen this trip
24 Nov$59Frontier Airlinesnonstopfound 6 days agoOpen this trip
23 Nov$61Frontier Airlinesnonstopfound 6 days agoOpen this trip

Every date we hold

15 departure dates

13 Nov: $151, found 3 days ago14 Nov: $121, found 3 days ago16 Nov: $75, found 7 days ago17 Nov: $64, found 6 days ago18 Nov: $52, found 5 days ago19 Nov: $132, found 4 days ago20 Nov: $133, found 3 days ago21 Nov: $108, found 2 days ago22 Nov: $57, found 6 days ago23 Nov: $61, found 6 days ago24 Nov: $59, found 6 days ago25 Nov: $63, found 6 days ago26 Nov: $24, found 5 days ago28 Nov: $169, found 5 days ago30 Nov: $68, found 2 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Nov$151Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
14 Nov$121Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
16 Nov$75Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
17 Nov$64Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
18 Nov$52Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 5 days agoOpen this trip
19 Nov$132Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 4 days agoOpen this trip
20 Nov$133Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
21 Nov$108Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 2 days agoOpen this trip
22 Nov$57Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
23 Nov$61Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
24 Nov$59Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
25 Nov$63Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
26 Nov$24Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 5 days agoOpen this trip
28 Nov$169United AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)1 stopfound 5 days agoOpen this trip
30 Nov$68Frontier AirlinesOntario International Airport (ONT) → McCarran International Airport (LAS)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $20.

November 2026From $2415 departure dates26 Nov · found 5 days agoOpen this trip
December 2026From $20Cheapest seen13 departure dates2 Dec · found 7 days agoOpen this tripEvery date in December 2026
January 2027From $213 departure dates5 Jan 2027 · found 4 days agoOpen this trip
May 2027From $1991 departure date18 May 2027 · found 4 days agoOpen this trip
July 2027From $2081 departure date19 Jul 2027 · found 4 days agoOpen this trip
September 2027From $2291 departure date14 Sept 2027 · found 4 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