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Southeast Asia

$350+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap 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 January 22, 2026.

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.
Fri 1/236:30 am
PHL
-
SGN
3 stops29h 45m
United Airlines
Sun 1/2511:05 pm
SGN
-
PHL
2 stops31h 50m
United Airlines
Deal found 1/19$694
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.
Thu 1/2210:10 am
PHL
-
SGN
3 stops48h 45m
United Airlines
Mon 1/2611:05 pm
SGN
-
PHL
2 stops34h 47m
United Airlines
Deal found 1/19$695
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.
Tue 1/271:10 pm
PHL
-
SGN
2 stops68h 40m
United Airlines
Tue 2/177:30 am
SGN
-
PHL
2 stops23h 41m
United Airlines
Deal found 1/20$700
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.
Mon 1/267:45 pm
PHL
-
SGN
3 stops39h 10m
United Airlines
Sat 2/76:00 am
SGN
-
PHL
2 stops27h 52m
United Airlines
Deal found 1/20$715
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.
Thu 3/55:10 pm
PHL
-
SGN
3 stops41h 45m
United Airlines
Mon 4/137:00 am
SGN
-
PHL
2 stops36h 15m
United Airlines
Deal found 1/20$722
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:27 am
PHL
-
SGN
2 stops51h 23m
ANA
Mon 3/1611:05 pm
SGN
-
PHL
2 stops26h 19m
ANA
Deal found 1/21$723
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/261:10 pm
PHL
-
BKK
2 stops29h 20m
ANA
Mon 2/210:25 pm
BKK
-
PHL
2 stops25h 42m
ANA
Deal found 1/21$731
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 3/26:27 am
PHL
-
BKK
2 stops34h 43m
United Airlines
Tue 4/77:00 am
BKK
-
PHL
2 stops27h 43m
United Airlines
Deal found 1/21$736
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.
Thu 2/268:35 am
PHL
-
BKK
2 stops38h 50m
United Airlines
Wed 4/299:35 am
BKK
-
PHL
2 stops39h 41m
United Airlines
Deal found 1/19$741
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 1/267:45 pm
PHL
-
BKK
3 stops51h 40m
United Airlines
Mon 2/24:55 pm
BKK
-
PHL
2 stops40h 57m
United Airlines
Deal found 1/21$756
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 1/257:45 pm
PHL
-
BKK
2 stops45h 25m
United Airlines
Sun 2/14:55 pm
BKK
-
PHL
2 stops40h 57m
United Airlines
Deal found 1/20$758
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.
Thu 2/268:35 am
PHL
-
BKK
2 stops38h 50m
United Airlines
Thu 3/54:55 pm
BKK
-
PHL
2 stops26h 20m
United Airlines
Deal found 1/20$760

Find 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 January 22, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$718
(United Airlines)

One-way from

$350
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,141
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. 14% potential increase in price ($210 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($75 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 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 January 22, 2026.
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

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Thu 3/5

9:55 am-9:50 pm

2 stops47h 55m

Ho Chi Minh City

Mon 4/13

7:00 am-8:15 am

2 stops36h 15m

$718

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Mon 3/2

6:27 am-5:10 am

2 stops34h 43m

Bangkok Suvarnabhumi

Tue 4/7

7:00 am-11:43 pm

2 stops27h 43m

$736

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 2/26

8:35 am-11:25 am

2 stops38h 50m

Bangkok Suvarnabhumi

Wed 4/29

9:35 am-2:16 pm

2 stops39h 41m

$741

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 2/26

6:20 pm-11:25 am

2 stops29h 05m

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-7:15 am

2 stops26h 20m

$760

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Wed 2/25

8:02 pm-10:55 pm

3 stops38h 53m

Ho Chi Minh City

Wed 3/18

11:05 pm-7:09 pm

2 stops31h 04m

$772

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sat 2/28

8:35 am-12:20 am

2 stops51h 45m

Bangkok Suvarnabhumi

Tue 3/10

4:55 pm-11:30 pm

3 stops41h 35m

$785

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Fri 2/20

6:20 pm-11:25 am

2 stops29h 05m

Bangkok Suvarnabhumi

Sun 3/8

4:55 pm-7:15 am

2 stops49h 20m

$789

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 3/3

10:35 am-11:25 am

3 stops36h 50m

Bangkok Suvarnabhumi

Sun 3/8

4:55 pm-7:15 am

2 stops25h 20m

$798

PhiladelphiaCebu City

PHL - CEB

PHLCEB

Philadelphia

Fri 5/1

6:58 pm-7:05 pm

2 stops36h 07m

Cebu City Mactan Intl

Tue 5/12

8:05 pm-5:40 am

2 stops45h 35m

$889

PhiladelphiaJakarta

PHL - CGK

PHLCGK

Philadelphia

Wed 3/18

8:45 pm-3:10 pm

1 stop31h 25m

Jakarta Soekarno-Hatta Intl

Tue 6/30

6:30 pm-9:00 am

1 stop25h 30m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 June is currently the most expensive (average of $761). 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 January 22, 2026.

It’s optimal to fly from Philadelphia to Southeast Asia in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

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 March 30, 2025.

Travelers seeking maximum savings on their Philadelphia to Southeast Asia flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday 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 January 22, 2026.
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
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.
ANA
8.4
Very good
1,078 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.
Korean Air
8.4
Very good
1,187 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.
Japan Airlines
8.3
Very good
1,689 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.
Qatar Airways
7.4
Good
3,720 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.
United Airlines
7.4
Good
9,193 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Food

7.7

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

OKA - HND

food is good international entertainment is best but not in okinwa to tokyo.

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 25m. United Airlines provides one of the quickest options available for as low as $896. 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 ($402), and Qatar Airways ($410).

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

    The most popular route from Philadelphia to Southeast Asia is Philadelphia - Manila Ninoy Aquino Intl. You may also consider Philadelphia - Bangkok Suvarnabhumi 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 June is currently the most expensive (average of $761). 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$568Average$983FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$704Average$1,019FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$733Average$1,154FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$769Average$1,286FlexibilityNo cancel feeOn-time68%
ANACheapest$769Average$1,090FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$857Average$1,065FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$921Average$1,411FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$958Average$1,121FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$958Average$1,347FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$964Average$1,412FlexibilityNo cancel feeOn-time71%

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