฿3,876+ Cheap flights from Philadelphia
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What to know about flights from Philadelphia
Discover essential information about flights departing from Philadelphia, including flight schedules, destinations, airlines operating at the Philadelphia airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 20 May 2025.
Good round-trip deal | ฿8,343 or less |
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Find flights from Philadelphia
Cheapest flights from PhiladelphiaExplore the most affordable flight options available from Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 20 May 2025.
Explore the most affordable flight options available from Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 20 May 2025.
Find flights from Philadelphia within your budget
Find flights departing from Philadelphia that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 May 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches
Fly to
Route
Depart
Return
Price
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sat 30/8
05:25-13:50
1 stop11h 25m
Seattle/Tacoma Intl
Sat 6/9
17:30-05:45
1 stop9h 15m
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Fri 15/8
18:52-23:59
1 stop8h 07m
Seattle/Tacoma Intl
Sat 23/8
05:07-17:21
2 stops9h 14m
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sat 30/8
18:58-22:00
Nonstop6h 02m
Seattle/Tacoma Intl
Sun 7/9
21:45-06:00
Nonstop5h 15m
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Thu 11/9
05:55-13:35
2 stops10h 40m
Seattle/Tacoma Intl
Sat 20/9
21:10-11:50
2 stops11h 40m
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Tue 26/8
07:20-10:12
Nonstop5h 52m
Seattle/Tacoma Intl
Tue 2/9
21:45-06:00
Nonstop5h 15m
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Wed 18/6
12:06-17:14
1 stop8h 08m
Seattle/Tacoma Intl
Fri 20/6
23:59-11:10
1 stop8h 11m
PhiladelphiaBangkok
PHL - BKK
PHLBKK
Philadelphia
Wed 10/9
20:30-13:25
1 stop29h 55m
Bangkok Suvarnabhumi
Wed 24/9
20:00-09:00
1 stop24h 00m
PhiladelphiaPhuket City
PHL - HKT
PHLHKT
Philadelphia
Mon 1/9
19:20-18:50
2 stops36h 30m
Phuket City
Tue 9/9
09:20-16:50
2 stops42h 30m
PhiladelphiaBangkok
PHL - BKK
PHLBKK
Philadelphia
Wed 3/9
05:25-01:05
2 stops32h 40m
Bangkok Suvarnabhumi
Tue 16/9
02:35-20:38
2 stops29h 03m
PhiladelphiaBangkok
PHL - BKK
PHLBKK
Philadelphia
Wed 3/9
06:00-23:25
2 stops30h 25m
Bangkok Suvarnabhumi
Wed 17/9
23:30-17:17
2 stops28h 47m
Best time to book a flight from Philadelphia
Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.
Travel insights for flights from Philadelphia
Get recent, data-driven insights about flights from Philadelphia including ideal travel times, pricing trends, and more.
When is the best time to book a flight from Philadelphia?
Use this chart to determine the optimal time to book a return flight from Philadelphia to Suvarnabhumi. Price data was last updated on 16 May 2025.
Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Philadelphia?
Currently, September is the cheapest month in which you can book a flight from Philadelphia (average of ฿24,811). Flying from Philadelphia in June will prove the most costly (average of ฿35,279). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
What are popular destinations to fly to from Philadelphia?
If you’re flying from Philadelphia, these routes are more frequently taken by airlines Chicago (589 flights per day), Orlando (458 flights per day) and Detroit (368 flights per day).
What is the cheapest place to fly to from Philadelphia?
The cheapest city to fly to from Philadelphia is Los Angeles, with prices starting at ฿8,215. Explore other affordable destinations below.
Airline reviews for flights from Philadelphia
Get insights into the airlines that provide service from Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Philadelphia. In the last 7 days, Cheapflights users made a total of 17,341 searches.
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Food
Comfort
Boarding
Entertainment
Overall
Crew
Reviews
Anonymous,May 2025
TPE - SEA
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Direct flights from Pennsylvania
Book a direct flight from one of these other cities located in Pennsylvania.
Related info for your journey
Access useful and relevant information related to your journey from Philadelphia. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 May 2025.
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How does Cheapflights help users find flights from Philadelphia?
Cheapflights makes it easy to find flights from Philadelphia by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Philadelphia?
Cheapflights simply makes it quick and affordable to book flights from Philadelphia by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Philadelphia with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Philadelphia become cheaper?
Yes, Cheapflights offers price alerts on flights from Philadelphia so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.