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Latest Flight Deals from Las Vegas to Ontario

Book one-way or return flights from Las Vegas to Ontario from as little as NZD 26. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • LAS11:00
        1h 6m
        Direct
        ONT12:06
        Wed, May 8|Las Vegas - Ontario|Frontier Airlines
        NZD 26NZD 43
        38% OFF
        38% OFF
        NZD 43NZD 26
      • LAS13:25
        1h 10m
        Direct
        ONT14:35
        Sat, May 18|Las Vegas - Ontario|Frontier Airlines
        NZD 26NZD 43
        38% OFF
        38% OFF
        NZD 43NZD 26
      • LAS06:05
        1h 3m
        Direct
        ONT07:08
        Fri, May 10|Las Vegas - Ontario|Frontier Airlines
        NZD 27NZD 43
        38% OFF
        38% OFF
        NZD 43NZD 27
      • LAS06:05
        1h 3m
        Direct
        ONT07:08
        Thu, May 2|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS06:00
        1h 3m
        Direct
        ONT07:03
        Tue, May 7|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS11:26
        1h 6m
        Direct
        ONT12:32
        Thu, May 9|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS20:55
        1h 2m
        Direct
        ONT21:57
        Wed, May 1|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS20:56
        1h 2m
        Direct
        ONT21:58
        Sat, May 11|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS10:15
        1h 5m
        Direct
        ONT11:20
        Tue, Apr 30|Las Vegas - Ontario|Frontier Airlines
        NZD 31
        NZD 31
      • LAS21:05
        1h 4m
        Direct
        ONT22:09
        Wed, May 15|Las Vegas - Ontario|Frontier Airlines
        NZD 32
        NZD 32
      • LAS13:00
        3h 5m
        Direct
        ONT14:00
        Tue, May 7|Las Vegas - Ontario|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Las Vegas to Ontario? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Las Vegas to Ontario. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Las Vegas to Ontario

View airlines operating flights from Las Vegas to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 26
Southwest Airlines
From NZD 119
American Airlines
From NZD 211
Alaska Airlines
From NZD 253
United Airlines
From NZD 291
Delta Air Lines
From NZD 488
Hawaiian Airlines
From NZD 734
ANA airlines

Find more flights and airlines

Alternative Routes from Las Vegas to Ontario

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Las Vegas to Ontario.

  • Cheapest
    Frontier Airlines
    LAS
    11:00
    1h 6m
    Direct
    ONT
    12:06
    Harry Reid International Airport - Ontario International Airport
    Wed, May 8Frontier Airlines
    NZD 26
  • Frontier Airlines
    LAS
    11:00
    1h 6m
    Direct
    ONT
    12:06
    Harry Reid International Airport - Ontario International Airport
    Wed, May 8Frontier Airlines
    NZD 26
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Las Vegas (LAS) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Las Vegas to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Las Vegas (LAS) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around NZD 162.

How to find a cheap flight from Las Vegas to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Las Vegas to Ontario. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Las Vegas to Ontario

Cheapest nonstop flight price

NZD 26

Cheapest round-trip ticket price

NZD 55

Off-season for travel

March

Peak season for travel

March

Flight distance

12,242.65km

Popular airline

Frontier Airlines

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