$547 Cheap Flights from Philadelphia (PHL) to Singapore (SIN)

View $547 flight on Wed, Aug 26, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Philadelphia to Singapore (PHL-SIN)

Prices were available within the past 7 days and start at $547 for one-way flights and $1,031 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 5 - Wed, Sep 9
PHL
Philadelphia
SIN
Singapore
$1,031 Roundtrip, found 2 hours ago
$1,031
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 5 from Philadelphia to Singapore, returning Wed, Sep 9, priced at $1,031 found 2 hours ago
Etihad Airways
Thu, Sep 10 - Thu, Sep 24
PHL
Philadelphia
SIN
Singapore
$1,091 Roundtrip, found 9 hours ago
$1,091
Roundtrip
found 9 hours ago
Select Etihad Airways flight, departing Thu, Sep 10 from Philadelphia to Singapore, returning Thu, Sep 24, priced at $1,091 found 9 hours ago
American Airlines
Tue, Nov 3 - Thu, Nov 12
PHL
Philadelphia
SIN
Singapore
$1,148 Roundtrip, found 6 days ago
$1,148
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Nov 3 from Philadelphia to Singapore, returning Thu, Nov 12, priced at $1,148 found 6 days ago
Delta
Tue, Feb 9 - Tue, Mar 9
PHL
Philadelphia
SIN
Singapore
$1,233 Roundtrip, found 2 days ago
$1,233
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 9 from Philadelphia to Singapore, returning Tue, Mar 9, priced at $1,233 found 2 days ago
Korean Air
Tue, Sep 29 - Tue, Oct 6
PHL
Philadelphia
SIN
Singapore
$1,238 Roundtrip, found 8 hours ago
$1,238
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Tue, Sep 29 from Philadelphia to Singapore, returning Tue, Oct 6, priced at $1,238 found 8 hours ago
Qatar Airways
Sun, Oct 4 - Mon, Oct 12
PHL
Philadelphia
SIN
Singapore
$1,253 Roundtrip, found 7 hours ago
$1,253
Roundtrip
found 7 hours ago
Select Qatar Airways flight, departing Sun, Oct 4 from Philadelphia to Singapore, returning Mon, Oct 12, priced at $1,253 found 7 hours ago
Japan Airlines
Thu, Jan 21 - Tue, Jan 26
PHL
Philadelphia
SIN
Singapore
$1,264 Roundtrip, found 19 hours ago
$1,264
Roundtrip
found 19 hours ago
Select Japan Airlines flight, departing Thu, Jan 21 from Philadelphia to Singapore, returning Tue, Jan 26, priced at $1,264 found 19 hours ago
United
Wed, Mar 10 - Wed, Mar 17
PHL
Philadelphia
SIN
Singapore
$1,284 Roundtrip, found 13 hours ago
$1,284
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Mar 10 from Philadelphia to Singapore, returning Wed, Mar 17, priced at $1,284 found 13 hours ago
All Nippon Airways
Tue, Oct 27 - Tue, Nov 10
PHL
Philadelphia
SIN
Singapore
$1,329 Roundtrip, found 6 days ago
$1,329
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Tue, Oct 27 from Philadelphia to Singapore, returning Tue, Nov 10, priced at $1,329 found 6 days ago
Air Canada
Sun, Oct 4 - Sun, Oct 11
PHL
Philadelphia
SIN
Singapore
$1,343 Roundtrip, found 7 hours ago
$1,343
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Sun, Oct 4 from Philadelphia to Singapore, returning Sun, Oct 11, priced at $1,343 found 7 hours ago

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 $1,730
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $1,730

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

September is typically the cheapest month to fly

From $904 - $1,178 per traveler.

Frequently asked questions

How much does a flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights and cheap return flights from $1,031 Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) with Expedia. One-way flights usually range from $585 to $9248, and return flights typically cost between $1172 and $9118. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
February is the cheapest month to fly from Philadelphia, PA (PHL) to Singapore (SIN), with average round-trip fares around $906. This price is about 29% lower than the average for the year, as travel demand tends to decrease after the holiday season. Other budget-friendly months to consider are August and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
Enter PHL to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
Starlux Airlines is one of the cheapest airlines offering connecting flights from Philadelphia (PHL) to Singapore (SIN) with a layover in Seattle - Tacoma Intl. (SEA), starting from around $1,152 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
The best times to fly from Philadelphia to Singapore are February and August. February offers return flights at an average price of about $906, making it a more affordable option. These months are ideal as they provide a balance of reasonable prices and favorable travel conditions, enhancing your overall experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
The earliest flight from Philadelphia International Airport (PHL) to Changi Airport (SIN) typically departs at around 5:00 AM, operated by American Airlines and Japan Airlines. This is a seasonal service active in January, April, June, July, August, and December. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
The most popular departure times for flights from Philadelphia International Airport (PHL) to Changi Airport (SIN) are in the evening, from 6pm to 9pm. About 32% of passengers prefer this time window. Many major carriers, including American Airlines and British Airways, offer flights during this window. This timing works well because it allows you to spend the day in Philadelphia before your long-haul flight.
How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
Flights from PHL to SIN with one stop typically take around 24 hours, covering approximately 9,588 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
Business class is available on flights from PHL to SIN. Airlines that offer business class service on this route include:

  • United Airlines
  • American Airlines
  • Air Canada
  • British Airways
  • Delta Air Lines
  • Aer Lingus
  • JetBlue Airways

First class is available with United Airlines.
How do I earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Philadelphia Intl. (PHL)?
From Philadelphia Intl. (PHL), you can fly into Changi (SIN) to reach Singapore. Some flights may connect through major hubs like Logan Intl. (BOS), O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages 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 stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi)?
If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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, United
Roundtrip price
$1,031
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 September. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $547 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

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia