$518 Cheap Flights from Philadelphia (PHL) to Singapore (SIN)

View $518 flight on Mon, Sep 7, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Singapore Changi Airport (SIN)

Cheap Flights from Philadelphia to Singapore (PHL-SIN)

Prices were available within the past 7 days and start at $518 for one-way flights and $905 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Mar 15 - Sun, Mar 29
PHL
Philadelphia
SIN
Singapore
$905 Roundtrip, found 8 hours ago
$905
Roundtrip
found 8 hours ago
Select United flight, departing Sun, Mar 15 from Philadelphia to Singapore, returning Sun, Mar 29, priced at $905 found 8 hours ago
United
Thu, Nov 13 - Tue, Nov 25
PHL
Philadelphia
SIN
Singapore
$910 Roundtrip, found 15 hours ago
$910
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Nov 13 from Philadelphia to Singapore, returning Tue, Nov 25, priced at $910 found 15 hours ago
Delta
Mon, Sep 7 - Fri, Sep 11
PHL
Philadelphia
SIN
Singapore
$924 Roundtrip, just found
$924
Roundtrip
just found
Select Delta flight, departing Mon, Sep 7 from Philadelphia to Singapore, returning Fri, Sep 11, priced at $924 just found
Korean Air
Mon, Sep 7 - Fri, Sep 11
PHL
Philadelphia
SIN
Singapore
$925 Roundtrip, just found
$925
Roundtrip
just found
Select Korean Air flight, departing Mon, Sep 7 from Philadelphia to Singapore, returning Fri, Sep 11, priced at $925 just found
All Nippon Airways
Mon, Jan 19 - Mon, Jan 26
PHL
Philadelphia
SIN
Singapore
$957 Roundtrip, found 10 hours ago
$957
Roundtrip
found 10 hours ago
Select All Nippon Airways flight, departing Mon, Jan 19 from Philadelphia to Singapore, returning Mon, Jan 26, priced at $957 found 10 hours ago
Qatar Airways
Mon, Jan 26 - Fri, Jan 30
PHL
Philadelphia
SIN
Singapore
$991 Roundtrip, just found
$991
Roundtrip
just found
Select Qatar Airways flight, departing Mon, Jan 26 from Philadelphia to Singapore, returning Fri, Jan 30, priced at $991 just found
Etihad Airways
Thu, Jan 15 - Thu, Feb 5
PHL
Philadelphia
SIN
Singapore
$999 Roundtrip, found 10 hours ago
$999
Roundtrip
found 10 hours ago
Select Etihad Airways flight, departing Thu, Jan 15 from Philadelphia to Singapore, returning Thu, Feb 5, priced at $999 found 10 hours ago
Air Canada
Fri, Jan 30 - Thu, Feb 5
PHL
Philadelphia
SIN
Singapore
$1,047 Roundtrip, found 1 day ago
$1,047
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Jan 30 from Philadelphia to Singapore, returning Thu, Feb 5, priced at $1,047 found 1 day ago
American Airlines
Tue, Feb 3 - Tue, Feb 10
PHL
Philadelphia
SIN
Singapore
$1,068 Roundtrip, found 2 days ago
$1,068
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Feb 3 from Philadelphia to Singapore, returning Tue, Feb 10, priced at $1,068 found 2 days ago
Japan Airlines
Mon, Jan 26 - Fri, Jan 30
PHL
Philadelphia
SIN
Singapore
$1,094 Roundtrip, just found
$1,094
Roundtrip
just found
Select Japan Airlines flight, departing Mon, Jan 26 from Philadelphia to Singapore, returning Fri, Jan 30, priced at $1,094 just found

Find the cheapest month to fly from Philadelphia (PHL) to Singapore (SIN)

October is typically the cheapest month to fly

From $903 - $1,492 per traveler.

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $915
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $915

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN) cost?
Secure a cheap one-way flight from $518 or cheap return flight from $905 from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN)?
Flying in March is a great way to save, as it's the cheapest month for flights between PHL and SIN. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN)?
To find the cheapest airline that'll fly you from PHL to SIN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN)?
Direct flights from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to SIN?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN)?
To land at Changi Airport (SIN) on schedule, choose a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN) last-minute?
Waiting until just before your departure to book a flight from PHL to SIN generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a PHL to SIN flight and hotel package?
Booking a PHL to SIN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Changi Airport (SIN)?
In most cases, you can cancel or reschedule your PHL to SIN flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Etihad Airways, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, STARLUX Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$905
Distance
9587 mi

Book with confidence

Philadelphia to Singapore Flights

The cheapest times to fly from Philadelphia to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Singapore are during the month of March. You can find some of the cheapest flights from Philadelphia to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Singapore

Sunday is one of the best days to book for cheap flights from Philadelphia to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Singapore Flights

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*Available to One Key members.