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$433+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SIN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 3/88:46 am
PHL
-
SIN
1 stop34h 14m
United Airlines
Thu 4/238:35 pm
SIN
-
PHL
1 stop23h 40m
United Airlines
Deal found 1/21$837
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/89:55 am
PHL
-
SIN
2 stops33h 05m
United Airlines
Wed 5/69:00 am
SIN
-
PHL
1 stop24h 29m
United Airlines
Deal found 1/21$841
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/96:20 pm
PHL
-
SIN
1 stop37h 55m
United Airlines
Thu 4/309:00 am
SIN
-
PHL
1 stop24h 29m
United Airlines
Deal found 1/21$846
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/1610:06 am
PHL
-
SIN
2 stops31h 49m
United Airlines
Fri 2/2010:20 pm
SIN
-
PHL
3 stops28h 59m
United Airlines
Deal found 1/19$851
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/258:21 am
PHL
-
SIN
1 stop34h 39m
United Airlines
Sat 5/98:35 pm
SIN
-
PHL
1 stop23h 25m
United Airlines
Deal found 1/20$891
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:55 am
PHL
-
SIN
2 stops43h 40m
ANA
Sun 5/311:05 am
SIN
-
PHL
2 stops49h 40m
ANA
Deal found 1/21$893
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/2312:15 pm
PHL
-
SIN
2 stops30h 45m
United Airlines
Sat 5/28:35 pm
SIN
-
PHL
2 stops25h 54m
United Airlines
Deal found 1/19$895
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/226:20 pm
PHL
-
SIN
1 stop37h 55m
United Airlines
Fri 5/88:35 pm
SIN
-
PHL
1 stop23h 25m
United Airlines
Deal found 1/20$900
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 3/2112:26 pm
PHL
-
SIN
2 stops52h 34m
Delta
Wed 5/137:30 am
SIN
-
PHL
2 stops34h 35m
Delta
Deal found 1/20$910
This Delta deal was found by Cheapflights users on 1/21. 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.
Mon 3/96:59 am
PHL
-
SIN
2 stops34h 01m
Delta
Sat 5/27:30 am
SIN
-
PHL
2 stops28h 28m
Delta
Deal found 1/21$918

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$837
(United Airlines)

One-way from

$433
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$954
Provider with most accurate pricing for Philadelphia-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Singapore Changi flights.
Search Deals
From Philadelphia to Singapore Changi
Search Deals
One-way flight from Philadelphia to Singapore Changi
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Sun 3/8

8:46 am-7:00 am

1 stop34h 14m

Singapore Changi

Fri 5/1

8:35 pm-4:59 pm

1 stop32h 24m

$837

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 2/16

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Fri 2/20

10:10 am-9:33 pm

1 stop24h 23m

$837

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sat 3/7

5:10 pm-8:15 pm

2 stops38h 05m

Singapore Changi

Fri 5/1

8:35 pm-10:29 am

2 stops25h 54m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 2/16

8:02 am-8:00 am

2 stops34h 58m

Singapore Changi

Mon 2/23

10:20 pm-9:48 am

2 stops24h 28m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sat 3/7

5:10 pm-8:15 pm

2 stops38h 05m

Singapore Changi

Mon 4/27

8:35 pm-12:17 pm

2 stops27h 42m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Tue 3/10

12:15 pm-7:00 am

2 stops30h 45m

Singapore Changi

Sun 5/3

8:35 pm-9:54 am

2 stops25h 19m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Tue 3/10

9:55 am-7:00 am

2 stops33h 05m

Singapore Changi

Tue 5/5

8:35 pm-8:00 am

1 stop23h 25m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 3/9

12:15 pm-8:15 pm

2 stops44h 00m

Singapore Changi

Mon 4/27

8:35 pm-8:15 am

1 stop23h 40m

$841

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 3/9

8:46 am-8:15 pm

1 stop47h 29m

Singapore Changi

Sat 5/2

8:35 pm-4:59 pm

1 stop32h 24m

$846

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 2/18

8:35 am-8:00 am

1 stop34h 25m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
1
2

Compare providers for flights from Philadelphia to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Singapore in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Singapore flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Philadelphia to Singapore (average of $547). Flying from Philadelphia to Singapore in June is currently the most expensive (average of $1,049). 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 January 21, 2026.
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
3,718 reviews

Comfort

7.4

Overall

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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
3,718 reviews
Qatar Airways
7.4
Good
3,718 reviews

Comfort

7.4

Overall

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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
9,191 reviews
Qatar Airways
7.4
Good
3,718 reviews

Comfort

7.4

Overall

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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 34h 14m. 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?

    Qatar Airways, at $769, was found to be the cheapest airline from Philadelphia to Singapore. An alternate airline flying to your destination would be United Airlines. Qatar Airways is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Singapore (average of $547). Flying from Philadelphia to Singapore in June is currently the most expensive (average of $1,049). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$769Average$1,255FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$835Average$1,195FlexibilityNo cancel feeOn-time69%

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