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Flights from St. Louis to Las Vegas
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Flights from St. Louis to Las Vegas Starting at NZD 63

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        STL20:34
        3h 55m
        Nonstop
        LAS22:29
        Mon, Dec 16|St. Louis - Las Vegas|Frontier Airlines
        NZD 63NZD 101
        38% OFF
        38% OFF
        NZD 101NZD 63

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way direct flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Dec 16, arriving at Harry Reid International Airport. One-way Prices start from NZD 63 including taxes and charges.

      • STL20:34
        3h 55m
        Nonstop
        LAS22:29
        Sun, Dec 15|St. Louis - Las Vegas|Frontier Airlines
        NZD 63NZD 101
        38% OFF
        38% OFF
        NZD 101NZD 63

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way direct flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sun, Dec 15, arriving at Harry Reid International Airport. One-way Prices start from NZD 63 including taxes and charges.

      • STL20:34
        3h 55m
        Nonstop
        LAS22:29
        Mon, Dec 9|St. Louis - Las Vegas|Frontier Airlines
        NZD 67NZD 101
        34% OFF
        34% OFF
        NZD 101NZD 67

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way direct flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Dec 9, arriving at Harry Reid International Airport. One-way Prices start from NZD 67 including taxes and charges.

      • STL20:34
        3h 55m
        Nonstop
        LAS22:29
        Sun, Dec 8|St. Louis - Las Vegas|Frontier Airlines
        NZD 67
        NZD 67

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way direct flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sun, Dec 8, arriving at Harry Reid International Airport. One-way Prices start from NZD 67 including taxes and charges.

      • STL18:46
        14h 27m
        1 stop
        LAS07:13
        Sat, Jan 11|St. Louis - Las Vegas|Frontier Airlines
        NZD 67
        NZD 67

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Jan 11, arriving at Harry Reid International Airport. One-way Prices start from NZD 67 including taxes and charges.

      • STL18:46
        7h 16m
        1 stop
        LAS00:02
        Sat, Dec 7|St. Louis - Las Vegas|Frontier Airlines
        NZD 76
        NZD 76

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Dec 7, arriving at Harry Reid International Airport. One-way Prices start from NZD 76 including taxes and charges.

      • STL18:49
        6h 45m
        1 stop
        LAS23:34
        Wed, Dec 18|St. Louis - Las Vegas|Frontier Airlines
        NZD 77
        NZD 77

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Dec 18, arriving at Harry Reid International Airport. One-way Prices start from NZD 77 including taxes and charges.

      • STL18:46
        7h 8m
        1 stop
        LAS23:54
        Wed, Dec 11|St. Louis - Las Vegas|Frontier Airlines
        NZD 79
        NZD 79

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Dec 11, arriving at Harry Reid International Airport. One-way Prices start from NZD 79 including taxes and charges.

      • STL19:09
        6h 42m
        1 stop
        LAS23:51
        Mon, Jan 20|St. Louis - Las Vegas|Frontier Airlines
        NZD 89
        NZD 89

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Jan 20, arriving at Harry Reid International Airport. One-way Prices start from NZD 89 including taxes and charges.

      • STL19:09
        6h 30m
        1 stop
        LAS23:39
        Wed, Jan 22|St. Louis - Las Vegas|Frontier Airlines
        NZD 90
        NZD 90

        Choose Frontier Airlines flights from St. Louis to Las Vegas. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Jan 22, arriving at Harry Reid International Airport. One-way Prices start from NZD 90 including taxes and charges.

      • STL13:00
        3h 5m
        Nonstop
        LAS14:00
        Thu, Dec 12|St. Louis - Las Vegas|Frontier Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Las Vegas

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from St. Louis to Las Vegas

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 63
American Airlines
From NZD 133
Alaska Airlines
From NZD 148
Delta Air Lines
From NZD 196
Southern Airways Express
From NZD 211
United Airlines
From NZD 246
Southwest Airlines
From NZD 295

Find more flights and airlines

Alternative Routes from St. Louis to Las Vegas

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Las Vegas.

  • Cheapest
    Frontier Airlines
    STL
    20:34
    3h 55m
    Nonstop
    LAS
    22:29
    St. Louis Lambert International Airport - Harry Reid International Airport
    Mon, Dec 16Frontier Airlines
    NZD 63
  • Frontier Airlines
    STL
    20:34
    3h 55m
    Nonstop
    LAS
    22:29
    St. Louis Lambert International Airport - Harry Reid International Airport
    Mon, Dec 16Frontier Airlines
    NZD 63
    Find More Flights

FAQ

  • When are flight tickets from St. Louis (STL) to Las Vegas (LAS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Las Vegas 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 St. Louis (STL) to Las Vegas (LAS) cost?

    According to Trip.com's data, the lowest price is around NZD 470.

  • How long does it take to fly from St. Louis (STL) to Las Vegas (LAS) and what is the distance?

    It takes around 5 hours 2 minutes to fly from St. Louis (STL) to Las Vegas (LAS).

  • What are the most popular airlines that fly from St. Louis (STL) to Las Vegas (LAS)?

    Airlines with flights from St. Louis (STL) to Las Vegas (LAS): Southwest Airlines, Frontier Airlines and Spirit Airlines.

How to find a cheap flight from St. Louis to Las Vegas

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 St. Louis to Las Vegas. 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 St. Louis to Las Vegas

Cheapest nonstop flight priceNZD 62
Cheapest round-trip ticket priceNZD 121
Off-season for travelOctober
Peak season for travelMarch
Flight distance2,219.31 km
Average flight time5 hours 2 minutes
Popular airlineFrontier Airlines

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