Cheap Flights To King of Prussia 2025

Choose two or more items and save on your trip:

King of Prussia Flights as Low as $163

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Jul 16 - Thu, Jul 17
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$163 Roundtrip, found 5 days ago
$163
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Jul 16 from Los Angeles Intl. to Philadelphia Intl., returning Thu, Jul 17, priced at $163 found 5 days ago
Frontier Airlines
Sat, Jul 26 - Wed, Jul 30
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jul 26 from Los Angeles Intl. to Philadelphia Intl., returning Wed, Jul 30, priced at $188 found 1 day ago
Frontier Airlines
Tue, Jun 10 - Fri, Jun 20
DEN
Denver Intl.
PHL
Philadelphia Intl.
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Jun 10 from Denver Intl. to Philadelphia Intl., returning Fri, Jun 20, priced at $194 found 4 days ago
Frontier Airlines
Thu, Jul 24 - Sat, Jul 26
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Los Angeles Intl. to Philadelphia Intl., returning Sat, Jul 26, priced at $198 found 1 day ago
Frontier Airlines
Thu, Jun 12 - Fri, Jun 13
DEN
Denver Intl.
PHL
Philadelphia Intl.
$200 Roundtrip, found 4 days ago
$200
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jun 12 from Denver Intl. to Philadelphia Intl., returning Fri, Jun 13, priced at $200 found 4 days ago
Frontier Airlines
Thu, Jun 12 - Fri, Jun 20
DEN
Denver Intl.
PHL
Philadelphia Intl.
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jun 12 from Denver Intl. to Philadelphia Intl., returning Fri, Jun 20, priced at $204 found 4 days ago
Spirit Airlines
Tue, Jul 15 - Wed, Jul 23
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Jul 15 from Los Angeles Intl. to Philadelphia Intl., returning Wed, Jul 23, priced at $206 found 3 days ago
Frontier Airlines
Thu, Jul 24 - Sun, Jul 27
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$208 Roundtrip, found 1 day ago
$208
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Los Angeles Intl. to Philadelphia Intl., returning Sun, Jul 27, priced at $208 found 1 day ago
American Airlines
Tue, Jul 15 - Sat, Jul 19
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 15 from Los Angeles Intl. to Philadelphia Intl., returning Sat, Jul 19, priced at $221 found 5 days ago
Frontier Airlines
Thu, May 1 - Tue, May 6
DTW
Detroit Metropolitan Wayne County
PHL
Philadelphia Intl.
$230 Roundtrip, found 18 hours ago
$230
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, May 1 from Detroit Metropolitan Wayne County to Philadelphia Intl., returning Tue, May 6, priced at $230 found 18 hours ago
Delta
Tue, Jun 10 - Tue, Jun 10
DEN
Denver Intl.
PHL
Philadelphia Intl.
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jun 10 from Denver Intl. to Philadelphia Intl., returning Tue, Jun 10, priced at $251 found 4 days ago
United
Tue, Jul 1 - Thu, Jul 24
DEN
Denver Intl.
PHL
Philadelphia Intl.
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 1 from Denver Intl. to Philadelphia Intl., returning Thu, Jul 24, priced at $276 found 6 days ago
Frontier Airlines
Thu, May 8 - Tue, May 13
DEN
Denver Intl.
TTN
Mercer
$280 Roundtrip, found 7 hours ago
$280
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, May 8 from Denver Intl. to Mercer, returning Tue, May 13, priced at $280 found 7 hours ago
JetBlue Airways
Mon, Jul 14 - Fri, Jul 18
LAX
Los Angeles Intl.
PHL
Philadelphia Intl.
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon, Jul 14 from Los Angeles Intl. to Philadelphia Intl., returning Fri, Jul 18, priced at $291 found 3 days ago
Frontier Airlines
Thu, May 1 - Mon, May 5
DTW
Detroit Metropolitan Wayne County
TTN
Mercer
$330 Roundtrip, found 18 hours ago
$330
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, May 1 from Detroit Metropolitan Wayne County to Mercer, returning Mon, May 5, priced at $330 found 18 hours ago
American Airlines
Sat, May 10 - Sat, May 17
MHT
Manchester-Boston Regional
PHL
Philadelphia Intl.
$441 Roundtrip, found 14 hours ago
$441
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, May 10 from Manchester-Boston Regional to Philadelphia Intl., returning Sat, May 17, priced at $441 found 14 hours ago

King of Prussia Flights

If a trip to King of Prussia is calling your name, then book your next flight to (airport). And with the AARP Travel Center Powered by Expedia®, this trip isn't too far out of reach. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed.

As an AARP member, you'll have the opportunity to take advantage of exclusive rates on:

  • Hotels
  • Car rentals
  • Flights
  • Waived booking fees on flights

If your travel dates are flexible, we'll have more deals to show you. In other words, you will have a better chance of finding that affordable flight you've been looking for.

Transportation at the Airport

Once you've reserved plane tickets to King of Prussia with AARP Travel, you might want to book a rental car so you can get around King of Prussia. You can request a King of Prussia rental car under our cars tab and jump in the car right when you step out of the airport. For more information, check out the King of Prussia Car Rentals Guide.

Things to Do in King of Prussia

Not sure where to start? Not to worry—there's lots to do in this city. No matter what you decide to do with your time, you're sure to have fun in this city.

If you're looking for some fun activities to do in King of Prussia, make sure you check out our "Things to Do in King of Prussia" page for excursions and activities for the whole family.

Where to Stay in King of Prussia

King of Prussia has lodging options in the area, so you will have no issues finding a place to stay close to all the things you want to see. If you need to stay close to an attraction or the airport in King of Prussia, check out our hotel listings page. Remember that you will get the best price out there when you book your stay with AARP.

Booking Your Visit to King of Prussia

We know that you want to focus more on the fun stuff and less on the airfare prices, so we provide travel arrangements that fall within your budget. There is no better time than now to start booking that next trip. Book one of our flights today.