Consider Big Front Seats for 11 extra inches of legroom, ideal for medium-haul comfort.
Use Spirit Saver$ Club for discounts on luggage and boarding shortcuts, maximizing savings.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $98 (Frontier) |
One-way from | $85 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $367 |
Good round-trip deal | $366 or less |
Good one-way deal | $190 or less |
Fly from
Fly to
Route
Depart
Return
Price
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Wed 1/21
11:59 pm-11:18 am
1 stop8h 19m
Philadelphia
Tue 1/27
2:36 pm-10:28 pm
1 stop10h 52m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Tue 1/20
7:07 am-12:42 am
2 stops14h 35m
Philadelphia
Tue 1/27
2:36 pm-10:28 pm
1 stop10h 52m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Tue 1/20
11:59 pm-3:37 pm
1 stop12h 38m
Philadelphia
Wed 1/28
2:36 pm-10:47 pm
1 stop11h 11m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Wed 1/21
11:59 pm-11:18 am
1 stop8h 19m
Philadelphia
Wed 1/28
6:00 am-5:18 pm
2 stops14h 18m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Tue 1/20
11:59 pm-11:14 am
1 stop8h 15m
Philadelphia
Wed 1/28
6:00 am-5:18 pm
2 stops14h 18m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Tue 1/6
10:20 pm-2:38 pm
1 stop13h 18m
Philadelphia
Tue 1/13
2:00 pm-11:44 pm
2 stops12h 44m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Tue 1/20
11:59 pm-11:14 am
1 stop8h 15m
Philadelphia
Thu 1/29
3:06 pm-6:10 pm
2 stops30h 04m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Wed 1/21
11:59 pm-11:18 am
1 stop8h 19m
Philadelphia
Thu 1/29
3:06 pm-6:10 pm
2 stops30h 04m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Thu 1/22
11:51 am-4:47 pm
1 stop25h 56m
Philadelphia
Tue 1/27
2:36 pm-10:28 pm
1 stop10h 52m
Las VegasPhiladelphia
LAS - PHL
LASPHL
Las Vegas Harry Reid Intl
Mon 1/12
10:45 pm-1:57 pm
1 stop12h 12m
Philadelphia
Fri 1/16
8:43 pm-11:42 am
1 stop17h 59m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Las Vegas to Philadelphia, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Las Vegas to Philadelphia (average of $54). Flying from Las Vegas to Philadelphia in July is currently the most expensive (average of $129). 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.
It’s optimal to fly from Las Vegas to Philadelphia in the afternoon. By choosing this option you can save up to 70% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Las Vegas to Philadelphia flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$194 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$105 | Average$216 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$161 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$167 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$260 | Average$384 | FlexibilityNo cancel fee | On-timeN/A |