$100 Cheap Flights from Philadelphia (PHL) to Salt Lake City (SLC)

View $100 flight on Wed, May 28, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Salt Lake City International Airport (SLC)

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Find available prices by choosing your travel dates.

Cheap Flights from Philadelphia to Salt Lake City (PHL-SLC)

Prices were available within the past 7 days and start at $100 for one-way flights and $185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Apr 28 - Fri, May 2
PHL
Philadelphia
SLC
Salt Lake City
$185 Roundtrip, found 3 hours ago
$185
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Apr 28 from Philadelphia to Salt Lake City, returning Fri, May 2, priced at $185 found 3 hours ago
Frontier Airlines
Wed, May 28 - Sat, May 31
PHL
Philadelphia
SLC
Salt Lake City
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 28 from Philadelphia to Salt Lake City, returning Sat, May 31, priced at $188 just found
Spirit Airlines
Thu, May 1 - Tue, May 13
PHL
Philadelphia
SLC
Salt Lake City
$196 Roundtrip, found 6 days ago
$196
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, May 1 from Philadelphia to Salt Lake City, returning Tue, May 13, priced at $196 found 6 days ago
Frontier Airlines
Mon, Jun 2 - Tue, Jun 10
PHL
Philadelphia
SLC
Salt Lake City
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Philadelphia to Salt Lake City, returning Tue, Jun 10, priced at $198 found 3 hours ago
Frontier Airlines
Fri, Apr 25 - Fri, May 2
PHL
Philadelphia
SLC
Salt Lake City
$205 Roundtrip, found 8 hours ago
$205
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Apr 25 from Philadelphia to Salt Lake City, returning Fri, May 2, priced at $205 found 8 hours ago
Frontier Airlines
Fri, May 16 - Tue, May 20
PHL
Philadelphia
SLC
Salt Lake City
$205 Roundtrip, found 3 hours ago
$205
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Philadelphia to Salt Lake City, returning Tue, May 20, priced at $205 found 3 hours ago
Frontier Airlines
Mon, May 12 - Tue, May 20
PHL
Philadelphia
SLC
Salt Lake City
$207 Roundtrip, found 6 hours ago
$207
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, May 12 from Philadelphia to Salt Lake City, returning Tue, May 20, priced at $207 found 6 hours ago
United
Sat, May 10 - Tue, May 20
PHL
Philadelphia
SLC
Salt Lake City
$228 Roundtrip, found 2 hours ago
$228
Roundtrip
found 2 hours ago
Select United flight, departing Sat, May 10 from Philadelphia to Salt Lake City, returning Tue, May 20, priced at $228 found 2 hours ago
American Airlines
Wed, Jun 11 - Tue, Jun 17
PHL
Philadelphia
SLC
Salt Lake City
$271 Roundtrip, just found
$271
Roundtrip
just found
Select American Airlines flight, departing Wed, Jun 11 from Philadelphia to Salt Lake City, returning Tue, Jun 17, priced at $271 just found
Delta
Sat, Jun 14 - Tue, Jun 24
PHL
Philadelphia
SLC
Salt Lake City
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Sat, Jun 14 from Philadelphia to Salt Lake City, returning Tue, Jun 24, priced at $277 just found
Flights from Philadelphia (PHL) to Salt Lake City (SLC)
Origin airport
Philadelphia Intl.
Destination airport
Salt Lake City Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$184
Distance
1922 mi

Philadelphia to Salt Lake City Flights

The cheapest times to fly from Philadelphia to Salt Lake City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Salt Lake City are during the month of April. You can find some of the cheapest flights from Philadelphia to Salt Lake City with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Philadelphia to Salt Lake City

Sunday is one of the best days to book for cheap flights from Philadelphia to Salt Lake City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Philadelphia to Salt Lake City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Salt Lake City in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Salt Lake City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Salt Lake City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC) cost?
Book cheap return flights starting from $271 from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving PHL on May 7 2025 and touching down at SLC. The price was last updated on April 19 2025 and has not changed since.
What is the cheapest month to fly from PHL to SLC?
The cheapest flights from PHL to SLC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
When flying out of Philadelphia Intl. Airport (PHL), you can catch a nonstop flight to Salt Lake City Intl. Airport (SLC) with Delta Air Lines.
What is the cheapest airline that flies from PHL to SLC?
With prices starting from $144 for a one-way journey from PHL to SLC, American Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on July 4 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
On average, only 1 direct flight departs daily from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC). Want additional options? Use our filter tool to find flights with layovers and add a new stop to your trip.
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
Flights between PHL and SLC tend to be busiest at 6 AM. If you’re after a more relaxed atmosphere and possibly cheaper fares, choose a time when demand is lower.
What day of the week has the most flights from PHL to SLC?
If you jet off on a Friday, you’ll get the widest range of options for flights from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC).
What is the earliest flight from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
Take the earliest flight at around 6:55AM UTC-5, heading out of Philadelphia Intl. Airport (PHL). You’ll be in the air for approximately 5h 14m, touching down at Salt Lake City Intl. Airport (SLC) at approximately 10:09AM UTC-7.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
The average flight duration from PHL to SLC is 5 hours and 16 minutes, covering a distance of 1,900 mi.
What airline has the least delays from PHL to SLC?
Delta Air Lines has the best track record for on-time direct flights from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC), with an on-time rating of 90%. Use the Expedia App to check your journey status before you leave and receive notifications about any trip changes.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
Opt for a flight from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Salt Lake City from Philadelphia Intl. Airport (PHL)?
Check out your flight options from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC). This is the only airport in Salt Lake City you can touch down at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC) last-minute?
Waiting until right before your break to book a flight from PHL to SLC generally means paying more. While it’s possible to find some last-minute deals, there’s no guarantee. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a PHL to SLC flight and hotel package?
You’ll generally save money by booking a PHL to SLC flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Salt Lake City Intl. Airport (SLC)?
In most cases, you can cancel or reschedule your PHL to SLC flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you need more details, go to our Customer Service portal.

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