Frontier Airlines is selling cheap flights from St Louis to Las Vegas for as low as $39 return! That works out to a cost of just 1.4 Cents Per Mile for this 2700 mile journey.

The fare only includes a small carry-on bag placed under the seat, and you need to pay extra if you want to use the overhead storage or to check bags.

Our data shows the lowest prices are available in January 2022. See the link(s) below for dates and prices.

Sample date(s) with Kiwi.com booking link

Jan 3 – Jan 6 ($72)


Jan 3 – Jan 6 ($72)


Jan 6 – Jan 10 ($69)


Jan 6 – Jan 10 ($69)


Jan 9 – Jan 12 ($73)


Jan 9 – Jan 12 ($73)


Jan 19 – Jan 22 ($39)


Jan 19 – Jan 22 ($39)


Jan 20 – Jan 24 ($58)


Jan 20 – Jan 24 ($58)


Jan 21 – Jan 24 ($58)


Jan 21 – Jan 24 ($58)


Jan 27 – Jan 31 ($75)


Jan 27 – Jan 31 ($75)


Feb 10 – Feb 15 ($86)


Feb 10 – Feb 15 ($86)


Feb 22 – Feb 25 ($63)


Feb 22 – Feb 25 ($63)


Feb 23 – Feb 26 ($59)


Feb 23 – Feb 26 ($59)

Are you looking for an apartment to rent for your stay in Las Vegas? Check out what Vrbo.com has to offer!

We post many cheap flights like this one from St Louis to Las Vegas every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.