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$425+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SIN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This Korean Air deal was found by Cheapflights users on 2/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am
PHL
-
SIN
2 stops29h 10m
Korean Air
Tue 11/171:35 am
SIN
-
PHL
2 stops27h 09m
Korean Air
Deal found 2/19$759
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:59 pm
PHL
-
SIN
2 stops44h 01m
Delta
Tue 4/217:30 am
SIN
-
PHL
2 stops34h 29m
Delta
Deal found 2/19$794
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/246:12 am
PHL
-
SIN
1 stop24h 23m
United Airlines
Thu 4/308:35 pm
SIN
-
PHL
2 stops25h 55m
United Airlines
Deal found 2/17$819
This Korean Air deal was found by Cheapflights users on 2/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am
PHL
-
SIN
2 stops35h 00m
Korean Air
Thu 11/1210:40 am
SIN
-
PHL
2 stops39h 04m
Korean Air
Deal found 2/19$830
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/96:12 am
PHL
-
SIN
1 stop24h 23m
United Airlines
Wed 4/229:00 am
SIN
-
PHL
1 stop44h 15m
United Airlines
Deal found 2/18$844
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/266:12 am
PHL
-
SIN
1 stop24h 23m
United Airlines
Fri 5/18:35 pm
SIN
-
PHL
1 stop23h 25m
United Airlines
Deal found 2/18$854
This Delta deal was found by Cheapflights users on 2/18. 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 8/205:30 am
PHL
-
SIN
2 stops35h 30m
Delta
Wed 8/267:30 am
SIN
-
PHL
2 stops34h 35m
Delta
Deal found 2/18$863
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:59 pm
PHL
-
SIN
2 stops44h 01m
Delta
Mon 4/2010:00 pm
SIN
-
PHL
2 stops43h 59m
Delta
Deal found 2/19$883
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 3/18:35 am
PHL
-
SIN
1 stop34h 25m
United Airlines
Tue 4/218:35 pm
SIN
-
PHL
1 stop32h 40m
United Airlines
Deal found 2/19$888
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/212:55 pm
PHL
-
SIN
2 stops30h 05m
United Airlines
Sun 4/198:35 pm
SIN
-
PHL
1 stop23h 40m
United Airlines
Deal found 2/19$892

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$794
(Delta)

One-way from

$425
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,133
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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 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

Tue 3/3

6:05 am-5:00 am

2 stops33h 55m

Singapore Changi

Thu 4/23

7:30 am-5:59 am

2 stops34h 29m

$794

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Fri 4/24

6:12 am-6:35 pm

1 stop24h 23m

Singapore Changi

Thu 4/30

8:35 pm-10:30 am

2 stops25h 55m

$819

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Fri 4/17

6:12 am-6:35 pm

1 stop24h 23m

Singapore Changi

Sun 4/26

8:35 pm-8:15 am

1 stop23h 40m

$854

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 4/26

6:12 am-6:35 pm

1 stop24h 23m

Singapore Changi

Fri 5/1

8:35 pm-8:00 am

1 stop23h 25m

$854

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 5/10

6:00 am-6:35 pm

1 stop24h 35m

Singapore Changi

Mon 5/18

8:35 pm-2:16 pm

3 stops29h 41m

$858

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Tue 3/3

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Thu 4/23

8:35 pm-5:15 pm

1 stop32h 40m

$888

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Mon 3/2

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Wed 4/22

8:35 pm-5:15 pm

1 stop32h 40m

$888

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 3/1

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Thu 4/23

8:35 pm-8:15 am

1 stop23h 40m

$888

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Wed 3/4

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Thu 4/23

8:35 pm-5:15 pm

1 stop32h 40m

$892

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Fri 4/24

6:12 am-6:35 pm

1 stop24h 23m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 13 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 FlightHub the most. FlightHub 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 $519). Flying from Philadelphia to Singapore in June is currently the most expensive (average of $1,066). 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.

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 February 19, 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
3,739 reviews

Boarding

7.5

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Entertainment

7.4

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
3,739 reviews
Qatar Airways
7.4
Good
3,739 reviews

Boarding

7.5

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Entertainment

7.4

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
9,321 reviews
Qatar Airways
7.4
Good
3,739 reviews

Boarding

7.5

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Entertainment

7.4

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?

    Delta and United Airlines can get you from Philadelphia to Singapore in just under 24h 23m. Your travel time can differ by up to 9h 32m. The distance between Philadelphia and Singapore is about 9581 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Qatar Airways, at $773, 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 37% 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 $519). Flying from Philadelphia to Singapore in June is currently the most expensive (average of $1,066). 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$773Average$1,186FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$835Average$1,137FlexibilityNo cancel feeOn-time69%

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