$44 Cheap Frontier Airlines flights Las Vegas (LAS) to San Francisco (SFO)

View $44 flight on Fri, Aug 29, 2025Opens in a new window

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$44 Cheap Frontier Airlines flights Las Vegas (LAS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $44 for one-way flights and $80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 29 - Sun, Aug 31
LAS
Las Vegas
SFO
San Francisco
$80 Roundtrip, just found
$80
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 29 from Las Vegas to San Francisco, returning Sun, Aug 31, priced at $80 just found
Frontier Airlines
Sat, Oct 11 - Tue, Oct 14
LAS
Las Vegas
SFO
San Francisco
$81 Roundtrip, found 6 hours ago
$81
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Las Vegas to San Francisco, returning Tue, Oct 14, priced at $81 found 6 hours ago
Frontier Airlines
Sat, Dec 6 - Tue, Dec 9
LAS
Las Vegas
SFO
San Francisco
$83 Roundtrip, found 5 days ago
$83
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Las Vegas to San Francisco, returning Tue, Dec 9, priced at $83 found 5 days ago
Frontier Airlines
Fri, Aug 29 - Sun, Aug 31
LAS
Las Vegas
SFO
San Francisco
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Aug 29 from Las Vegas to San Francisco, returning Sun, Aug 31, priced at $88 just found
Frontier Airlines
Sat, Oct 11 - Mon, Oct 13
LAS
Las Vegas
SFO
San Francisco
$89 Roundtrip, just found
$89
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 11 from Las Vegas to San Francisco, returning Mon, Oct 13, priced at $89 just found
Frontier Airlines
Sat, Oct 11 - Tue, Oct 14
LAS
Las Vegas
SFO
San Francisco
$94 Roundtrip, found 6 hours ago
$94
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Las Vegas to San Francisco, returning Tue, Oct 14, priced at $94 found 6 hours ago
Flights from Las Vegas (LAS) to San Francisco (SFO)
Origin airport
Harry Reid Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
413 mi
Average flight time
1 hour 37 mins

Frequently asked questions

How much is a Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
You'll discover cheap round-trip Frontier Airlines flights from $80 from LAS to SFO by filtering your results from "Price (lowest to highest)" on Expedia. Or look for deals from $44 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAS to SFO with Frontier Airlines?
Search for round-trip or one-way flights to San Francisco in February or April. You could find lower fares with Frontier Airlines during these off-season months.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) with Frontier Airlines?
To find cheap Frontier Airlines fares from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Yes, you can fly from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) on one of Frontier Airlines's 21 weekly direct flights. Make use of our "Nonstop" and "Airline" filters to find the Frontier Airlines flight that'll arrive at SFO at a time that suits you.
How long does it take to fly from LAS to SFO with Frontier Airlines?
On average, it takes 1h 48m to fly nonstop from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) with Frontier Airlines.
Which day of the week has the most Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Frontier Airlines operates the most flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) on Monday. With up to 3 daily departures, you'll get the most flexibility on this day.
What is the earliest Frontier Airlines flight from LAS to SFO?
Setting off from LAS at 5:30AM UTC-8, the earliest Frontier Airlines flight to SFO arrives at 7:16AM UTC-8. Traveling earlier in the day means you're less likely to encounter cancellations or delays.* Prefer to travel later? The last Frontier Airlines flight from LAS to SFO departs at 4:12PM UTC-8 and touches down at 6:02PM UTC-8.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in San Francisco?
Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to San Francisco come in to San Francisco Intl. Airport (SFO), Norman Y. Mineta San Jose Intl. Airport (SJC) and Oakland Intl. Airport (OAK). The main San Francisco hub for this airline is SFO. It's worth checking out flights arriving at other nearby airports on Expedia as they may offer lower fares.
Why fly with Frontier Airlines from LAS to SFO?
With a rewarding loyalty program, Frontier Airlines is a favorite of many travelers departing from LAS to SFO. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Book a Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO), and you'll usually be on an Airbus A320neo. Bear in mind though, that the aircraft type can change due to operational requirements.
Can I change or cancel my Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Depending on the ticket type you purchased, a fee typically applies if you cancel or reschedule your booking more than 24 hours after confirmation. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when you look for flights. To learn more about changing or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to One Key members.