Cheap Flights from Ontario International Airport to Las Vegas (LAS) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2026/1
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4540	5444	6688	7Search	8Search	9Search	10Search
111,167	12540	131,167	141,167	15Search	16Search	17Search
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Return Date

2026/1
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Ontario－Harry Reid Airport
January Lowest Airfares
USD444

The airfare displayed above is for Alaska Airlines

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Ontario－Harry Reid Airport
February Lowest Airfares
USD495

The airfare displayed above is for United Airlines

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Ontario－Harry Reid Airport
March Lowest Airfares -----
Ontario－Harry Reid Airport
April Lowest Airfares -----
Ontario－Harry Reid Airport
May Lowest Airfares
USD6,699

The airfare displayed above is for United Airlines

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Ontario－Las Vegas
Estimated Flight Time
4 Hours 14 Minutes
Ontario－Las Vegas
Number of Operating Airlines
7

Operating Airlines for Ontario－Harry Reid Airport Route
Non-StopEra Aviation

Non-StopLinear Air

American Airlines

Alaska Airlines

Delta Air Lines

Hawaiian Airlines

United Airlines

Other Destinations from:Ontario

Ontario－Orlando(MCO)
USD251〜
Ontario－Seattle(-Tacoma)
USD177〜
Ontario－Boston(Logan)
USD242〜
Ontario－Washington D.C(Ronald Reagan Washington National)
USD250〜
Ontario－Washington D.C(Washington Dulles)
USD282〜
Ontario－Washington D.C(Baltimore-Washington)
USD298〜
Ontario－Chicago(O'Hare)
USD176〜
Ontario－Chicago(Midway)
USD207〜
* Fares vary in accordance to seat availability
Other Departures to: Las Vegas

Philadelphia Airport－Las Vegas(Harry Reid)
USD254〜
General Wayne A. Downing Peoria Airport－Las Vegas(Harry Reid)
USD456〜
Pensacola Airport－Las Vegas(Harry Reid)
USD387〜
Tri-Cities Airport－Las Vegas(Harry Reid)
USD250〜
Palm Springs Airport－Las Vegas(Harry Reid)
USD321〜
* Fares vary in accordance to seat availability