The cheapest times to fly from PHL to SIN are

  • January 8th to May 20th (except the week of April 2nd)
  • October 8th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from PHL to SIN is early to mid May. Prices can be as high as $1885 for Saturday flights during mid December, or as low as $659 for Tuesday flights around early to mid May.


When to Fly to Singapore

Flying from Philadelphia, PA (PHL) to Singapore (SIN) will usually cost between $809 to $1386 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $759. Due to high demand the most expensive time to fly is mid December, with an average price of $1471. Planning your trip to low-cost times can easily save you $712 on economy flights and even more on first-class flights. Generally, any price below $956 can be considered a good price for a round-trip PHL to SIN flight.

See below for a graph of average weekly prices for the PHL to SIN route. All prices are for round-trip tickets in USD.

PHL to SIN Flight Prices

Compared to other flights, the PHL to SIN flight is priced close to the average and costs about as much as the average flight leaving from Philadelphia. The average price per mile (for a direct flight) is $0.06, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to SIN, and Sunday the cheapest day to fly back into PHL. Saturdays are the most expensive days to fly to Singapore, and Fridays are the most expensive days to return to Philadelphia. Selecting flights on the least expensive days could save you up to $109 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $922. Return trip prices are from the SIN to PHL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from PHL to SIN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 14 minutes may not be realistic.


Flight Hacking PHL to SIN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from PHL to SIN — but Champion Traveler does!

Hack #1: Beijing (PHL > PEK > SIN)

  • Price for both tickets: $835
  • Average savings: $121 (12.63%)

See PHL to PEK flights

Hack #2: Shanghai (PHL > PVG > SIN)

  • Price for both tickets: $892
  • Average savings: $65 (6.75%)

See PHL to PVG flights


Flight Questions Answered

Still have questions about flying from PHL to SIN? We’ve got answers.

Which airlines fly this route?

You can find 34 major airlines flying this route most often: Aer Lingus, Air Canada, Air China, Air France, Alaska, American, ANA, Asiana, Austrian, British Airways, Cathay Pacific, China Airlines, China Southern, Delta, Emirates, Ethiopian, Etihad, EVA Air, Finnair, Iberia, JAL, JetBlue, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qantas, Qatar Airways, Singapore Airlines, SWISS, Turkish Airlines, United, Virgin Atlantic, Xiamen, and potentially more during busy seasons.

How far away is it from Singapore Changi International Airport to Philadelphia International Airport?

The distance between the two airports is roughly 9586 miles or 15427 kilometers.

How long does it take to fly from PHL to SIN?

The real-world flight time for a nonstop PHL to SIN flight is about 18 hour 14 minutes.

How many flights go between Philadelphia, PA and Singapore?

It depends on the day of the week and the date, but a typical day might have around 82 available flights from PHL to SIN.


Airport Location Info


Departing Airport

Origination codePHL
Origination airport namePhiladelphia International Airport
CityPhiladelphia, PA
Countrythe United States

Return Airport

Destination codeSIN
Destination airport nameSingapore Changi International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.