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$400+ Cheap flights from Philadelphia (PHL) to Singapore (SIN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SIN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Philadelphia to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$790
(Trip.com)

One-way from

$400
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,046
From Philadelphia to Singapore Changi
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One-way flight from Philadelphia to Singapore Changi
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Highest demand for flights based on searches. 11% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Singapore

Cheapest flights from Philadelphia to Singapore
Explore the most affordable flight options available from Philadelphia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:50 pmPHL - SIN
2 stops31h 30mMultiple Airlines
Sun 10/1912:20 amSIN - PHL
2 stops42h 42mMultiple Airlines
Deal found 9/10$790
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:15 amPHL - SIN
2 stops34h 00mUnited Airlines
Sun 10/128:40 pmSIN - PHL
1 stop32h 47mUnited Airlines
Deal found 9/11$906
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:34 amPHL - SIN
1 stop23h 51mUnited Airlines
Wed 10/88:40 pmSIN - PHL
2 stops25h 07mUnited Airlines
Deal found 9/11$910
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:34 amPHL - SIN
1 stop23h 51mUnited Airlines
Sat 10/188:40 pmSIN - PHL
1 stop44h 46mUnited Airlines
Deal found 9/11$915
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:00 amPHL - SIN
2 stops28h 40mDelta
Sun 9/281:10 amSIN - PHL
2 stops35h 44mDelta
Deal found 9/10$920
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:00 pmPHL - SIN
2 stops45h 55mUnited Airlines
Sun 12/710:10 amSIN - PHL
1 stop22h 31mUnited Airlines
Deal found 9/11$921
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:34 amPHL - SIN
2 stops30h 11mUnited Airlines
Fri 10/108:45 amSIN - PHL
3 stops28h 00mUnited Airlines
Deal found 9/11$923
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:34 amPHL - SIN
1 stop23h 51mUnited Airlines
Sat 10/118:40 pmSIN - PHL
1 stop32h 47mUnited Airlines
Deal found 9/11$944
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:00 pmPHL - SIN
2 stops29h 15mUnited Airlines
Mon 10/208:45 amSIN - PHL
3 stops28h 00mUnited Airlines
Deal found 9/10$947
This CrystalTravel deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:25 pmPHL - SIN
1 stop24h 35mQatar Airways
Mon 9/296:45 pmSIN - PHL
1 stop26h 20mQatar Airways
Deal found 9/10$968

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to Singapore that are best for you.

Fly from

Philadelphia

Fly to

Singapore

Route

Depart

Return

Price

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 10/6

6:34 am-6:25 pm

1 stop23h 51m

Singapore Changi

Mon 10/20

8:40 pm-12:45 am

3 stops40h 05m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 9/24

8:15 am-6:15 am

2 stops34h 00m

Singapore Changi

Sun 10/12

8:40 pm-5:27 pm

1 stop32h 47m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 9/22

8:15 am-6:15 am

2 stops34h 00m

Singapore Changi

Tue 10/14

8:40 pm-5:27 pm

1 stop32h 47m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 9/24

6:30 am-6:25 pm

1 stop23h 55m

Singapore Changi

Mon 10/13

8:40 pm-12:45 am

3 stops40h 05m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 9/22

8:15 am-6:15 am

2 stops34h 00m

Singapore Changi

Wed 10/8

8:45 am-5:26 am

1 stop32h 41m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 9/24

6:33 pm-6:15 am

1 stop23h 42m

Singapore Changi

Fri 10/10

8:45 am-5:26 am

1 stop32h 41m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 9/22

8:15 am-6:15 am

2 stops34h 00m

Singapore Changi

Mon 10/13

8:40 pm-12:45 am

3 stops40h 05m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 10/13

6:34 am-6:25 pm

1 stop23h 51m

Singapore Changi

Mon 10/20

8:40 pm-5:27 pm

1 stop32h 47m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Tue 9/23

8:15 am-6:15 am

2 stops34h 00m

Singapore Changi

Tue 10/14

8:40 pm-12:45 am

3 stops40h 05m

$906

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 9/25

6:34 am-6:25 pm

1 stop23h 51m

Singapore Changi

Tue 10/14

8:40 pm-12:45 am

3 stops40h 05m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 results
1
2

Best time to book a flight from Philadelphia to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Singapore

What is the cheapest month to book a flight from Philadelphia to Singapore?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Singapore (average of $1,002). Flying from Philadelphia to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Philadelphia to Singapore?

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Qatar Airways and United Airlines from Philadelphia to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,624 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Overall

7.4

Comfort

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,624 reviews
Qatar Airways
7.4
Good
3,624 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Overall

7.4

Comfort

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
8,937 reviews
Qatar Airways
7.4
Good
3,624 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Overall

7.4

Comfort

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Singapore?

    United Airlines can get you from Philadelphia to Singapore in just under 23h 51m. Your travel time can differ by up to . The distance between Philadelphia and Singapore is about 9581 mi.

  • What are the cheapest airlines flying from Philadelphia to Singapore round-trip?

    United Airlines, at $1,024, was found to be the cheapest airline from Philadelphia to Singapore. An alternate airline flying to your destination would be Qatar Airways. United Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Philadelphia to Singapore one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $484. However, be on the lookout for offers from Japan Airlines and United Airlines, as they are both options that can get you from Philadelphia to Singapore for a low price.

  • Can I find deals for flights from Philadelphia to Singapore that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Singapore.

  • Can I find deals for business class flights from Philadelphia to Singapore?

    Yes. Cheapflights offers flight deals from Philadelphia to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Philadelphia to Singapore (average of $1,002). Flying from Philadelphia to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Philadelphia to Singapore

Discover the top 2 airlines that operate flights from Philadelphia to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,024Average$1,364FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,080Average$1,367FlexibilityNo cancel feeOn-time68%

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