Frontier's UpFront Plus guarantees an empty middle seat for added comfort.
Frontier's Zone 1 boarding available with carry-on purchase or special fare bundles.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $80 (Super.com) |
One-way from | $39 (eDestinos) |
Popular in | April |
Cheapest in | February |
Average price | $308 |
Good round-trip deal | $69 or less |
Good one-way deal | $52 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Tue 1/6
5:59 pm-8:26 pm
Nonstop2h 27m
Las Vegas Harry Reid Intl
Tue 1/13
11:06 am-2:00 pm
Nonstop2h 54m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Fri 1/30
7:28 pm-10:00 pm
Nonstop2h 32m
Las Vegas Harry Reid Intl
Tue 2/3
5:42 pm-8:35 pm
Nonstop2h 53m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Wed 1/28
6:05 am-12:00 pm
1 stop5h 55m
Las Vegas Harry Reid Intl
Thu 1/29
7:50 pm-10:35 pm
Nonstop2h 45m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Wed 12/10
3:05 pm-9:30 pm
1 stop6h 25m
Las Vegas Harry Reid Intl
Fri 12/12
11:05 am-3:20 pm
1 stop4h 15m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Wed 12/10
7:40 am-1:20 pm
1 stop5h 40m
Las Vegas Harry Reid Intl
Wed 12/10
3:50 pm-9:20 pm
1 stop5h 30m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Sun 12/7
5:50 am-11:05 am
1 stop5h 15m
Las Vegas Harry Reid Intl
Tue 12/16
11:55 am-6:15 pm
1 stop6h 20m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Sun 12/14
5:15 am-9:50 am
1 stop4h 35m
Las Vegas Harry Reid Intl
Fri 12/19
6:55 pm-12:20 am
1 stop5h 25m
San FranciscoLas Vegas
SFO - LAS
SFOLAS
San Francisco
Tue 1/6
5:05 am-11:55 am
1 stop6h 50m
Las Vegas Harry Reid Intl
Tue 1/6
1:25 pm-6:05 pm
1 stop4h 40m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Sun 12/14
8:10 pm-10:50 pm
Nonstop2h 40m
Las Vegas Harry Reid Intl
Thu 12/18
3:50 pm-6:40 pm
Nonstop2h 50m
SeattleLas Vegas
SEA - LAS
SEALAS
Seattle/Tacoma Intl
Thu 12/11
9:23 pm-11:55 pm
Nonstop2h 32m
Las Vegas Harry Reid Intl
Thu 12/18
6:00 am-8:54 am
Nonstop2h 54m
Currently, March is the cheapest month in which you can book a flight from USA to Las Vegas (average of $36). Flying from USA to Las Vegas in July is currently the most expensive (average of $49). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 7% on flights from USA to Las Vegas by exploring options for tickets at noon.
Travelers seeking maximum savings on their USA to Las Vegas flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from US0 to LAS are scheduled on a Thursday (128 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (62 on average).
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Food
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$205 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$39 | Average$192 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$65 | Average$239 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$68 | Average$322 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$82 | Average$138 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$85 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$94 | Average$350 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$360 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$160 | Average$363 | FlexibilityNo cancel fee | On-time62% |