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Flights from Philadelphia to Singapore

Philadelphia to Singapore Flight Information

The approximate distance between Philadelphia and Singapore is 15,435.69 km. According to Trip.com data, travel demand hits its peak in January.

Cheapest one-way
US$565
Qatar Airways Qatar Airways PHL-SIN 30h 15m · 1 stop Mon, Aug 31
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Cheapest round-trip
US$1,251
Qatar Airways Qatar Airways PHL-SIN 30h 15m · 2 stops Mon, Aug 24 - Sat, Aug 29
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Recommended airlines
Qatar Airways Qatar Airways Cheapest · From US$565 American Airlines American Airlines Most booked
When to fly
October
Cheapest
January
Peak season
Route details
15,435.69 km
Flight distance

Search cheap flights from Philadelphia to Singapore in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$565, and round-trip tickets start at US$1,251.

      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Mon, Aug 24 | Qatar Airways
        SIN 19:40
        30h 50m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Sat, Aug 29 | Qatar Airways
        US$1,251 US$2,900
        56% off
        56% off
        US$2,900 US$1,251
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Wed, Oct 14 | Qatar Airways
        SIN 03:15
        23h 50m
        1 stop
        PHL 15:05
        Singapore - Philadelphia | Sat, Oct 17 | Qatar Airways
        US$1,279 US$2,900
        56% off
        56% off
        US$2,900 US$1,279
      • PHL 06:00
        24h 35m
        1 stop
        SIN 18:35
        Philadelphia - Singapore | Wed, Oct 14 | United Airlines
        SIN 08:45
        35h 4m
        1 stop
        PHL 07:49
        Singapore - Philadelphia | Sat, Oct 17 | United Airlines
        US$1,369 US$2,900
        53% off
        53% off
        US$2,900 US$1,369
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Sun, Aug 23 | Qatar Airways
        SIN 03:15
        23h 15m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Sat, Aug 29 | Qatar Airways
        US$1,420
        51% off
        US$2,900 US$1,420
      • PHL 17:40
        34h 50m
        1 stop
        SIN 16:30
        Philadelphia - Singapore | Wed, Oct 14 | Lufthansa
        SIN 19:40
        31h 25m
        1 stop
        PHL 15:05
        Singapore - Philadelphia | Sat, Oct 17 | Qatar Airways
        US$1,659
        43% off
        US$2,900 US$1,659
      • PHL 18:36
        35h 59m
        1 stop
        SIN 18:35
        Philadelphia - Singapore | Thu, Aug 20 | United Airlines
        SIN 08:45
        24h 10m
        1 stop
        PHL 20:55
        Singapore - Philadelphia | Sun, Aug 23 | United Airlines
        US$1,695
        42% off
        US$2,900 US$1,695
      • PHL 17:40
        34h 50m
        1 stop
        SIN 16:30
        Philadelphia - Singapore | Mon, Aug 24 | Lufthansa
        SIN 10:20
        40h 10m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Sat, Aug 29 | Qatar Airways
        US$1,827
        37% off
        US$2,900 US$1,827
      • PHL 09:27
        32h 48m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Mon, Aug 24 | United Airlines
        SIN 10:20
        40h 10m
        1 stop
        PHL 14:30
        Singapore - Philadelphia | Sat, Aug 29 | Qatar Airways
        US$1,901
        34% off
        US$2,900 US$1,901
      • PHL 18:36
        23h 39m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Sun, Aug 23 | United Airlines
        SIN 20:35
        32h 55m
        1 stop
        PHL 17:30
        Singapore - Philadelphia | Sat, Aug 29 | United Airlines
        US$1,961
        32% off
        US$2,900 US$1,961
      • PHL 18:45
        33h 20m
        1 stop
        SIN 16:05
        Philadelphia - Singapore | Sun, Aug 23 | British Airways
        SIN 22:40
        30h
        1 stop
        PHL 16:40
        Singapore - Philadelphia | Sat, Aug 29 | British Airways
        US$2,088
        28% off
        US$2,900 US$2,088
      • PHL 13:00
        17h 25m
        1 stop
        SIN 14:00
        Philadelphia - Singapore | Wed, Aug 19 | Normal Airline
        SIN 15:00
        6h
        Nonstop
        PHL 16:00
        Singapore - Philadelphia | Fri, Aug 21 | Normal Airline
        More cheap flights
        More cheap flights
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Mon, Aug 31 | Qatar Airways
        US$565 US$1,087
        48% off
        48% off
        US$1,087 US$565
      • PHL 06:00
        24h 35m
        1 stop
        SIN 18:35
        Philadelphia - Singapore | Thu, Sep 17 | United Airlines
        US$567 US$1,087
        48% off
        48% off
        US$1,087 US$567
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Thu, Sep 17 | Qatar Airways
        US$579 US$1,087
        47% off
        47% off
        US$1,087 US$579
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Wed, Sep 23 | Qatar Airways
        US$579
        47% off
        US$1,087 US$579
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Wed, Sep 16 | Qatar Airways
        US$580
        47% off
        US$1,087 US$580
      • PHL 18:36
        35h 59m
        1 stop
        SIN 18:35
        Philadelphia - Singapore | Sat, Oct 3 | United Airlines
        US$585
        46% off
        US$1,087 US$585
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Thu, Aug 20 | Qatar Airways
        US$611
        44% off
        US$1,087 US$611
      • PHL 21:30
        35h 45m
        1 stop
        SIN 21:15
        Philadelphia - Singapore | Wed, Aug 19 | Qatar Airways
        US$614
        44% off
        US$1,087 US$614
      • PHL 21:30
        30h 15m
        1 stop
        SIN 15:45
        Philadelphia - Singapore | Thu, Sep 24 | Qatar Airways
        US$665
        39% off
        US$1,087 US$665
      • PHL 09:27
        32h 48m
        1 stop
        SIN 06:15
        Philadelphia - Singapore | Thu, Sep 24 | United Airlines
        US$782
        28% off
        US$1,087 US$782
      • PHL 13:00
        17h 25m
        1 stop
        SIN 14:00
        Philadelphia - Singapore | Wed, Aug 19 | Normal Airline
        More cheap flights
        More cheap flights

Popular airlines flying from Philadelphia to Singapore

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

Frequently Asked Questions

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

    Based on Trip.com data, Qatar Airways offers one-way fares as low as US$565 on Cheapest nonstop routes (e.g. PHL to SIN on Mon, Aug 31), while Qatar Airways offers Cheapest nonstop round-trips from US$1,251 departing on Mon, Aug 24 and returning on Sat, Aug 29.
  • 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.
  • 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 Mon, Aug 31, with one-way flights priced at just US$565.
    · 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 August flight calendar, it's currently cheapest to fly from Philadelphia to Singapore on August 30, 2026 with Qatar Airways, with prices starting at US$579.
  • 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 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Philadelphia to Singapore is US$1,206. Fares vary by travel date, airline and availability.
  • 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.

Trip.com Airline Insights on Flights from Philadelphia to Singapore

Which airline offers the cheapest direct flights from Philadelphia to Singapore?

Data is based on the average price of all nonstop flights from Philadelphia to Singapore on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Korean Air provides the lowest-priced direct flights from Philadelphia to Singapore, with fares starting at US$713.

US$499
US$713
US$928
US$1,143
US$1,357
Korean Air
US$713
Korean Air
All Nippon Airways
US$738
All Nippon Airways
Qatar Airways
US$908
Qatar Airways
American Airlines
US$1,219
American Airlines
United Airlines
US$1,357
United Airlines

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Note: Prices shown on this page are the estimated lowest 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 clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date 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.