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Cheap Flights from Philadelphia to Singapore

Explore the cheapest flights from Philadelphia to Singapore in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at S$ 787, and round-trip tickets start at S$ 1,610.

      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Wed, Aug 19 | Qatar Airways
        SIN 19:40
        30h 50m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Mon, Aug 24 | Qatar Airways
        S$ 1,610 S$ 3,004
        46% off
        46% off
        S$ 3,004 S$ 1,610
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Tue, Aug 18 | Qatar Airways
        SIN 03:15
        23h 15m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Mon, Aug 24 | Qatar Airways
        S$ 1,828 S$ 3,004
        39% off
        39% off
        S$ 3,004 S$ 1,828
      • PHL 09:25
        32h 50m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Tue, Jul 28 | United Airlines
        SIN 20:35
        40h 48m
        1 stop
        PHL 01:23
        Singapore - Philadelphia | Fri, Jul 31 | United Airlines
        S$ 2,122 S$ 3,004
        28% off
        28% off
        S$ 3,004 S$ 2,122
      • PHL 06:00
        24h 35m
        1 stop
        SIN 18:35
        Philadelphia - Singapore | Thu, Aug 6 | United Airlines
        SIN 20:35
        32h 55m
        1 stop
        PHL 17:30
        Singapore - Philadelphia | Wed, Aug 12 | United Airlines
        S$ 2,163
        28% off
        S$ 3,004 S$ 2,163
      • PHL 21:30
        35h 45m
        1 stop
        SIN 21:15
        Philadelphia - Singapore | Sun, Aug 2 | Qatar Airways
        SIN 19:40
        31h 25m
        1 stop
        PHL 15:05
        Singapore - Philadelphia | Sun, Aug 9 | Qatar Airways
        S$ 2,256
        25% off
        S$ 3,004 S$ 2,256
      • PHL 17:40
        34h 50m
        1 stop
        SIN 16:30
        Philadelphia - Singapore | Wed, Aug 19 | Lufthansa
        SIN 10:20
        40h 10m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Mon, Aug 24 | Qatar Airways
        S$ 2,352
        22% off
        S$ 3,004 S$ 2,352
      • PHL 09:27
        32h 48m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Wed, Aug 19 | United Airlines
        SIN 10:20
        40h 10m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Mon, Aug 24 | Qatar Airways
        S$ 2,447
        19% off
        S$ 3,004 S$ 2,447
      • PHL 18:36
        23h 39m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Tue, Aug 18 | United Airlines
        SIN 20:35
        32h 55m
        1 stop
        PHL 17:30
        Singapore - Philadelphia | Mon, Aug 24 | United Airlines
        S$ 2,524
        16% off
        S$ 3,004 S$ 2,524
      • PHL 18:45
        33h 20m
        1 stop
        SIN 16:05
        Philadelphia - Singapore | Tue, Aug 18 | British Airways
        SIN 22:40
        30h
        1 stop
        PHL 16:40
        Singapore - Philadelphia | Mon, Aug 24 | British Airways
        S$ 2,687
        11% off
        S$ 3,004 S$ 2,687
      • PHL 18:45
        33h 20m
        1 stop
        SIN 16:05
        Philadelphia - Singapore | Wed, Aug 19 | British Airways
        SIN 22:40
        30h
        1 stop
        PHL 16:40
        Singapore - Philadelphia | Mon, Aug 24 | British Airways
        S$ 2,793
        7% off
        S$ 3,004 S$ 2,793
      • PHL 13:00
        17h 25m
        1 stop
        SIN 14:00
        Philadelphia - Singapore | Fri, Jul 24 | Normal Airline
        SIN 15:00
        6h
        Direct
        PHL 16:00
        Singapore - Philadelphia | Sun, Jul 26 | Normal Airline
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      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Thu, Aug 6 | Qatar Airways
        S$ 787 S$ 884
        11% off
        11% off
        S$ 884 S$ 787
      • PHL 21:30
        35h 45m
        1 stop
        SIN 21:15
        Philadelphia - Singapore | Wed, Aug 5 | Qatar Airways
        S$ 791 S$ 884
        11% off
        11% off
        S$ 884 S$ 791
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Fri, Aug 7 | Qatar Airways
        S$ 795 S$ 884
        10% off
        10% off
        S$ 884 S$ 795
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Fri, Aug 21 | Qatar Airways
        S$ 796
        10% off
        S$ 884 S$ 796
      • PHL 21:30
        23h 20m
        1 stop
        SIN 08:50
        Philadelphia - Singapore | Thu, Aug 13 | Qatar Airways
        S$ 797
        10% off
        S$ 884 S$ 797
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Mon, Aug 10 | Qatar Airways
        S$ 801
        9% off
        S$ 884 S$ 801
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Thu, Sep 3 | Qatar Airways
        S$ 814
        8% off
        S$ 884 S$ 814
      • PHL 21:30
        35h 45m
        1 stop
        SIN 21:15
        Philadelphia - Singapore | Wed, Sep 16 | Qatar Airways
        S$ 815
        8% off
        S$ 884 S$ 815
      • PHL 21:30
        35h 45m
        1 stop
        SIN 21:15
        Philadelphia - Singapore | Fri, Aug 14 | Qatar Airways
        S$ 820
        7% off
        S$ 884 S$ 820
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Tue, Sep 8 | Qatar Airways
        S$ 822
        7% off
        S$ 884 S$ 822
      • PHL 13:00
        17h 25m
        1 stop
        SIN 14:00
        Philadelphia - Singapore | Fri, Jul 24 | Normal Airline
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        Find more flights

Popular airlines from Philadelphia to Singapore

You can choose from 1 airlines that fly from Philadelphia to Singapore, including United Airlines, Qatar Airways offers the lowest prices on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Philadelphia to Singapore according to previous 12 months data from Trip.com.

Flying from Philadelphia to Singapore

The distance between Philadelphia and Singapore is approximately 15,435.69km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price S$ 787
Cheapest return ticket price S$ 1,610
Off-season for travel October
Peak season for travel January
Flight distance 15,435.69km
Popular airline United Airlines
Flight statistics for the Philadelphia–Singapore route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Philadelphia (PHL) to Singapore (SIN)?

    Based on Trip.com data, Qatar Airways offers one-way fares as low as S$ 787 on Cheapest nonstop routes (e.g. PHL to SIN on Thu, Aug 6), while Qatar Airways offers Cheapest nonstop round-trips from S$ 1,610 departing on Wed, Aug 19 and returning on Mon, Aug 24.
  • At the moment, several airlines serve connecting flights from Philadelphia to Singapore, including: United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • 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.
  • 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 Thu, Aug 6, with one-way flights priced at just S$ 787.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qatar Airways.
    · 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.
  • The cheapest months to fly from Philadelphia to Singapore is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Philadelphia to Singapore on July 28, 2026 with United Airlines, with prices starting at S$ 980.
  • 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).
  • The time difference between Singapore and Philadelphia is 13h.
  • Tickets can only be changed or cancelled 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.

Find Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.