How do most travelers feel about Frontier?

2,661 Cheapflights users have left reviews for Frontier and have rated the airline 5.6/10. If you are looking to travel from San Francisco to Las Vegas on Frontier, input your dates in the form above for our best prices!

How far ahead should I book a flight from San Francisco to Las Vegas with Frontier?

Booking with Frontier 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Las Vegas with Frontier?

Currently, the most affordable month to book a Frontier flight from San Francisco to Las Vegas in September, with an average price of S$ 174. Conversely, traveling with Frontier from San Francisco to Las Vegas in June will be the most expensive, with an average cost of S$ 292. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

S$ 130+ Frontier Flights from San Francisco to Las Vegas

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Cheapest Frontier flights from San Francisco to Las Vegas
Explore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Wed 30-911:17 -

Nonstop1h 54m

Wed 7-1006:30 -

Nonstop1h 44m

Deal found 16-8S$ 130

Wed 23-915:15 -

Nonstop1h 48m

Wed 30-906:30 -

1 stop3h 52m

Deal found 17-8S$ 137

Sat 26-919:11 -

Nonstop1h 45m

Wed 30-906:30 -

Nonstop1h 44m

Deal found 18-8S$ 148

How do most travelers feel about Frontier?
2,661 Cheapflights users have left reviews for Frontier and have rated the airline 5.6/10. If you are looking to travel from San Francisco to Las Vegas on Frontier, input your dates in the form above for our best prices!

Frontier flights from San Francisco to Las Vegas in 2026

Return from	S$ 130
Popular in	May
Cheapest in	September
Average price (all airlines)	S$ 263

Frontier
30-9-7-10
Nonstop
3h 38m total
San Francisco to Las Vegas

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Highest demand for flights from San Francisco to Las Vegas Harry Reid Intl; 11% potential price increase.

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Best time to find cheap flights from San Francisco to Las Vegas Harry Reid Intl; 1% potential price drop.

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Average price for all San Francisco to Las Vegas Harry Reid Intl flights (one-way and round-trip).

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Prices

The best time to book a flight to Las Vegas with Frontier is 76 days before departure. On average, fares are higher if you book 1 day before departure.

Which month is the cheapest to fly Economy class from San Francisco to Las Vegas?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are June and July.

Best time to book a flight from San Francisco to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Francisco with our price prediction graph.

SFO-LAS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Frontier

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2,660 reviews

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Find Frontier flight deals from San Francisco to Las Vegas

Cheapest Frontier flights from San Francisco to Las Vegas
Explore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Explore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Best Frontier flights from San Francisco to Las Vegas
Discover carefully curated Frontier flight deals from San Francisco to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated Frontier flight deals from San Francisco to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct Frontier flights from San Francisco to Las Vegas
Explore direct Frontier flight options from San Francisco to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct Frontier flight options from San Francisco to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute Frontier flights from San Francisco to Las Vegas
Discover last-minute Frontier flight deals from San Francisco to Las Vegas. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute Frontier flight deals from San Francisco to Las Vegas. Data last updated 21 August 2026 and is based on user searches.

How do most travelers feel about Frontier?

Frontier flights from San Francisco to Las Vegas in 2026

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Las Vegas with Frontier?

The best time to book a flight to Las Vegas with Frontier is 76 days before departure. On average, fares are higher if you book 1 day before departure.

Which month is the cheapest to fly Economy class from San Francisco to Las Vegas?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are June and July.

Rainfall in Las Vegas by month

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Best time to book a flight from San Francisco to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Francisco with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Las Vegas by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving San Francisco and Las Vegas

Choose from other airlines serving San Francisco and Las Vegas.

Other popular destinations in North America

If Las Vegas is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 21 August 2026.

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Frontier flights from San Francisco to Las Vegas (SFO - LAS)

Find Frontier flight deals from San Francisco to Las Vegas

Cheapest Frontier flights from San Francisco to Las VegasExplore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Explore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Best Frontier flights from San Francisco to Las VegasDiscover carefully curated Frontier flight deals from San Francisco to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated Frontier flight deals from San Francisco to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct Frontier flights from San Francisco to Las VegasExplore direct Frontier flight options from San Francisco to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct Frontier flight options from San Francisco to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute Frontier flights from San Francisco to Las VegasDiscover last-minute Frontier flight deals from San Francisco to Las Vegas. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute Frontier flight deals from San Francisco to Las Vegas. Data last updated 21 August 2026 and is based on user searches.

How do most travelers feel about Frontier?

Frontier flights from San Francisco to Las Vegas in 2026

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Las Vegas with Frontier?

The best time to book a flight to Las Vegas with Frontier is 76 days before departure. On average, fares are higher if you book 1 day before departure.

Which month is the cheapest to fly Economy class from San Francisco to Las Vegas?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are June and July.

Rainfall in Las Vegas by month

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Best time to book a flight from San Francisco to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Francisco with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Las Vegas by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines serving San Francisco and Las Vegas

Choose from other airlines serving San Francisco and Las Vegas.

Other popular destinations in North America

If Las Vegas is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 21 August 2026.

See what others are saying about Frontier

Overview

Recent reviews

100% Free

Book With Flexibility

Travel Smart

Cheapest Frontier flights from San Francisco to Las Vegas
Explore the most affordable Frontier flight options available from San Francisco to Las Vegas. Find the lowest fares with prices last updated on 21 August 2026.

Best Frontier flights from San Francisco to Las Vegas
Discover carefully curated Frontier flight deals from San Francisco to Las Vegas that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct Frontier flights from San Francisco to Las Vegas
Explore direct Frontier flight options from San Francisco to Las Vegas based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute Frontier flights from San Francisco to Las Vegas
Discover last-minute Frontier flight deals from San Francisco to Las Vegas. Data last updated 21 August 2026 and is based on user searches.