Cheap Flights from Philadelphia to Singapore from $564

Frequently Asked Questions

• What are the cheapest flights from Philadelphia to Singapore (PHL-SIN)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $564 on Cheapest nonstop routes (e.g. PHL to SIN on Fri, Sep 11), while Qatar Airways offers Cheapest nonstop round-trips from $1,250 departing on Thu, Aug 20 and returning on Tue, Aug 25.

• Which airlines offer flights from Philadelphia to Singapore?

  At the moment, several airlines serve connecting flights from Philadelphia to Singapore, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Philadelphia to Singapore?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to Singapore is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Philadelphia to Singapore?

  To find best deals on flights from Philadelphia to Singapore, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 11, with one-way flights priced at just $564.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Singapore travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Philadelphia (PHL) to Singapore (SIN) the cheapest?

  The cheapest months to fly from Philadelphia to Singapore is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Philadelphia to Singapore on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Philadelphia to Singapore on August 30, 2026 with Qatar Airways, with prices starting at $579.

• Which airports can I fly to for Singapore from Philadelphia?

  You can land at any one of the following hubs in Singapore, with Philadelphia International Airport to Singapore Changi Airport (PHL-SIN) is by far the most common option on this route: Singapore Changi Airport (SIN) Seletar Airport (XSP).

• Is there any time difference between Philadelphia and Singapore?

  The time difference between Singapore and Philadelphia is 13h.

• How do I change or cancel my ticket from Philadelphia to Singapore?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Philadelphia to Singapore?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Philadelphia to Singapore is $1,325. Fares vary by travel date, airline and availability.

• How do I book flights from Philadelphia to Singapore on Trip.com?

  Enter Philadelphia and Singapore, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.