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$374+ Cheap flights from Philadelphia (PHL) to Southeast Asia

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Philadelphia to Southeast Asia

Cheapest flights from Philadelphia to Southeast Asia
Explore the most affordable flight options available from Philadelphia to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. 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 11/296:16 amPHL - SIN
1 stop24h 59mUnited Airlines
Sun 12/710:10 amSIN - PHL
1 stop22h 31mUnited Airlines
Deal found 11/25$905
This Justfly.com deal was found by Cheapflights users on 11/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:05 amPHL - BKK
2 stops31h 05mANA
Tue 12/910:25 pmBKK - PHL
2 stops27h 43mANA
Deal found 11/25$931
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Tue 11/2512:40 pmPHL - BKK
3 stops34h 45mUnited Airlines
Thu 12/44:55 pmBKK - PHL
3 stops33h 12mUnited Airlines
Deal found 11/24$948
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Tue 11/2510:05 amPHL - BKK
3 stops37h 20mUnited Airlines
Tue 12/24:55 pmBKK - PHL
2 stops38h 46mUnited Airlines
Deal found 11/24$956
This United Airlines deal was found by Cheapflights users on 11/25. 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 11/266:25 pmPHL - BKK
2 stops29h 00mUnited Airlines
Wed 12/34:55 pmBKK - PHL
3 stops35h 46mUnited Airlines
Deal found 11/25$957
This Ovago deal was found by Cheapflights users on 11/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:05 amPHL - BKK
2 stops42h 15mANA
Tue 12/22:20 pmBKK - PHL
2 stops42h 50mANA
Deal found 11/24$958
This Gurufare deal was found by Cheapflights users on 11/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:05 amPHL - BKK
2 stops42h 15mANA
Wed 12/32:20 pmBKK - PHL
2 stops35h 47mANA
Deal found 11/25$965
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Tue 11/253:48 pmPHL - SGN
2 stops44h 27mUnited Airlines
Tue 12/2311:05 pmSGN - PHL
2 stops34h 26mUnited Airlines
Deal found 11/25$997
This United Airlines deal was found by Cheapflights users on 11/24. 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 11/2710:05 amPHL - BKK
3 stops61h 20mUnited Airlines
Tue 12/94:55 pmBKK - PHL
3 stops31h 12mUnited Airlines
Deal found 11/24$1,003
This Delta deal was found by Cheapflights users on 11/24. 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.
Sun 11/306:00 amPHL - BKK
2 stops30h 55mDelta
Wed 12/102:05 amBKK - PHL
2 stops34h 46mDelta
Deal found 11/24$1,009
This United Airlines deal was found by Cheapflights users on 11/25. 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 11/266:00 amPHL - MNL
2 stops26h 00mUnited Airlines
Wed 12/39:55 amMNL - PHL
2 stops36h 40mUnited Airlines
Deal found 11/25$1,010
This Justfly.com deal was found by Cheapflights users on 11/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:30 pmPHL - BKK
1 stop28h 45mQatar Airways
Fri 12/129:05 amBKK - PHL
1 stop36h 15mQatar Airways
Deal found 11/24$1,024

Cheap flight deals from Philadelphia to Southeast Asia

Keep the following information in mind while searching for Philadelphia to Southeast Asia flight deals. Data was last updated November 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$650
(United Airlines)

One-way from

$374
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,269
Provider with most accurate pricing for Philadelphia-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Manila Ninoy Aquino Intl flights.
Search Deals
From Philadelphia to Southeast Asia
Search Deals
One-way flight from Philadelphia to Southeast Asia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($263 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($93 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Southeast Asia 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 November 26, 2025.
Use the filters below to find and compare flights from Philadelphia to Southeast Asia that are best for you.

Fly from

Philadelphia

Fly to

Southeast Asia

Route

Depart

Return

Price

PhiladelphiaJakarta

PHL - CGK

PHLCGK

Philadelphia

Tue 2/24

3:05 pm-6:00 am

2 stops50h 55m

Jakarta Soekarno-Hatta Intl

Tue 3/3

9:45 pm-9:38 pm

2 stops35h 53m

$650

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Thu 1/22

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$793

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sat 1/24

8:35 am-8:00 am

1 stop34h 25m

Singapore Changi

Fri 2/6

10:10 am-9:52 pm

1 stop24h 42m

$793

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sat 1/10

8:05 am-8:00 am

2 stops34h 55m

Singapore Changi

Sat 1/17

10:10 am-9:52 pm

1 stop24h 42m

$798

PhiladelphiaKuala Lumpur

PHL - KUL

PHLKUL

Philadelphia

Mon 2/9

5:50 pm-12:15 am

2 stops41h 25m

Kuala Lumpur Intl

Mon 3/16

8:30 pm-9:31 pm

2 stops37h 01m

$823

PhiladelphiaJakarta

PHL - CGK

PHLCGK

Philadelphia

Sat 1/17

10:10 am-11:55 pm

2 stops49h 45m

Jakarta Soekarno-Hatta Intl

Wed 1/28

9:45 pm-2:10 pm

2 stops28h 25m

$843

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 2/23

10:06 am-5:10 am

2 stops31h 04m

Bangkok Suvarnabhumi

Tue 3/3

7:10 am-7:11 pm

2 stops24h 01m

$890

PhiladelphiaJakarta

PHL - CGK

PHLCGK

Philadelphia

Tue 2/24

7:55 pm-3:10 pm

1 stop31h 15m

Jakarta Soekarno-Hatta Intl

Tue 3/3

6:10 pm-9:30 am

1 stop27h 20m

$894

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 2/19

6:20 pm-11:25 am

2 stops53h 05m

Bangkok Suvarnabhumi

Fri 2/27

4:55 pm-2:24 pm

3 stops33h 29m

$896

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 1/11

5:50 pm-8:15 pm

2 stops37h 25m

Singapore Changi

Mon 1/26

10:10 am-9:52 pm

1 stop24h 42m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
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Best time to book a flight from Philadelphia to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $533). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $766). 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.

What is the cheapest time of day to fly from PHL to YJX?

Find hourly flight availability from Philadelphia to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

It’s optimal to fly from Philadelphia to Southeast Asia at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Philadelphia to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to Southeast Asia flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated November 26, 2025.
Read reviews from past customers who have flown ANA, Korean Air, and Japan Airlines from Philadelphia to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
1,010 reviews
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Korean Air
8.4
Very good
1,172 reviews
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,630 reviews
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Qatar Airways
7.4
Good
3,677 reviews
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
United Airlines
7.4
Good
9,049 reviews
ANA
8.4
Very good
1,010 reviews

Crew

8.7

Overall

8.4

Boarding

8.6

Comfort

8.2

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

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

  • What airport do you fly from for flights from Philadelphia to Southeast Asia?

    For a flight from Philadelphia to Southeast Asia, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Philadelphia to Southeast Asia?

    A quick flight from Philadelphia to Southeast Asia can take about 31h 15m. United Airlines provides one of the quickest options available for as low as $894. The distance from Philadelphia to Southeast Asia is about 10095 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 to fly from Philadelphia to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Southeast Asia are United Airlines ($374), ANA ($391), and Qatar Airways ($443).

  • What are the most popular routes from Philadelphia to Southeast Asia?

    The most popular route from Philadelphia to Southeast Asia is Philadelphia - Bangkok Suvarnabhumi. You may also consider Philadelphia - Manila Ninoy Aquino Intl or Philadelphia - Ho Chi Minh City.

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

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

  • How can I find direct flights from Philadelphia to Southeast Asia?

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Southeast Asia 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 Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $533). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $766). 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

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Alternative routes for Philadelphia to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Philadelphia to Southeast Asia

Discover the top 10 airlines that operate flights from Philadelphia to Southeast Asia. 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$535Average$1,052FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$769Average$1,295FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$842Average$1,207FlexibilityNo cancel feeOn-time69%
ANACheapest$855Average$1,130FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$883Average$1,189FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$893Average$1,082FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$958Average$1,136FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$983Average$1,427FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,002Average$1,302FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,051Average$1,150FlexibilityNo cancel feeOn-time79%

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