Southeast Asia

$474+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Aug 9 — Aug 161
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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 August 4, 2025.

Round-trip from

$856
(American Airlines)

One-way from

$474
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$1,269
From Philadelphia to Southeast Asia
One-way flight from Philadelphia to Southeast Asia
Highest demand for flights based on searches. 12% potential increase in price ($205 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($72 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 4, 2025.

This FlightHub deal was found by Cheapflights users on 8/3. 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.
Tue 11/43:30 pmPHL - MNL
2 stops26h 15mAir Canada
Mon 11/1010:25 amMNL - PHL
2 stops49h 31mAir Canada
Deal found 8/3$842
This American Airlines deal was found by Cheapflights users on 8/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:38 amPHL - SGN
2 stops28h 07mAmerican Airlines
Wed 9/38:00 amSGN - PHL
2 stops28h 10mAmerican Airlines
Deal found 8/4$856
This Air Canada deal was found by Cheapflights users on 8/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:35 amPHL - MNL
2 stops22h 40mMultiple Airlines
Fri 9/199:25 amMNL - PHL
2 stops24h 13mMultiple Airlines
Deal found 8/3$858
This Ovago deal was found by Cheapflights users on 8/2. 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 8/261:03 pmPHL - BKK
2 stops28h 32mANA
Tue 9/99:35 pmBKK - PHL
2 stops27h 42mANA
Deal found 8/2$924
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 9/29:39 amPHL - BKK
2 stops25h 06mDelta
Wed 9/179:50 amBKK - PHL
2 stops26h 04mDelta
Deal found 8/3$928
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/266:30 amPHL - BKK
2 stops35h 05mUnited Airlines
Thu 9/49:35 amBKK - PHL
2 stops30h 51mUnited Airlines
Deal found 8/4$933
This Korean Air deal was found by Cheapflights users on 8/2. 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.
Thu 9/116:00 amPHL - SGN
2 stops30h 15mKorean Air
Sat 10/2511:45 pmSGN - PHL
2 stops28h 15mKorean Air
Deal found 8/2$948
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:57 pmPHL - SGN
2 stops34h 23mChina Airlines
Sat 10/45:30 pmSGN - PHL
2 stops23h 10mChina Airlines
Deal found 8/3$951
This Ovago deal was found by Cheapflights users on 8/2. 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 11/412:22 pmPHL - SGN
2 stops45h 28mANA
Wed 11/1911:05 pmSGN - PHL
2 stops27h 02mANA
Deal found 8/2$962
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:25 pmPHL - SGN
1 stop24h 15mQatar Airways
Fri 10/318:55 amSGN - PHL
1 stop35h 05mQatar Airways
Deal found 8/2$965
This United Airlines deal was found by Cheapflights users on 8/4. 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 11/36:31 pmPHL - SGN
3 stops40h 24mUnited Airlines
Mon 12/111:05 pmSGN - PHL
2 stops25h 02mUnited Airlines
Deal found 8/4$968
This Booking.com deal was found by Cheapflights users on 8/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/313:20 pmPHL - SIN
2 stops27h 45mAir Canada
Tue 9/169:10 amSIN - PHL
2 stops25h 19mAir Canada
Deal found 8/3$968

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 August 4, 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

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Wed 8/27

6:38 am-9:45 pm

2 stops28h 07m

Ho Chi Minh City

Wed 9/3

8:00 am-1:10 am

2 stops28h 10m

$856

PhiladelphiaManila

PHL - MNL

PHLMNL

Philadelphia

Mon 9/1

10:35 am-9:15 pm

2 stops22h 40m

Manila Ninoy Aquino Intl

Fri 9/19

9:25 am-9:38 pm

2 stops24h 13m

$858

PhiladelphiaManila

PHL - MNL

PHLMNL

Philadelphia

Wed 10/8

4:50 pm-6:20 am

2 stops49h 30m

Manila Ninoy Aquino Intl

Mon 10/13

9:25 am-9:38 pm

2 stops48h 13m

$873

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 8/26

1:03 pm-4:35 am

2 stops28h 32m

Bangkok Suvarnabhumi

Tue 9/9

9:35 pm-2:17 pm

2 stops27h 42m

$924

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 9/2

9:39 am-9:45 pm

2 stops25h 06m

Bangkok Suvarnabhumi

Wed 9/17

9:50 am-12:54 am

2 stops26h 04m

$928

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 8/26

10:10 am-4:35 am

2 stops31h 25m

Bangkok Suvarnabhumi

Tue 9/2

9:35 am-9:31 pm

2 stops46h 56m

$933

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Thu 9/11

6:00 am-11:15 pm

2 stops30h 15m

Ho Chi Minh City

Sat 10/25

1:55 pm-5:00 pm

2 stops38h 05m

$948

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Sat 9/6

6:57 pm-4:20 pm

2 stops34h 23m

Ho Chi Minh City

Sat 10/4

5:30 pm-5:40 am

2 stops23h 10m

$951

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Wed 10/1

8:25 pm-7:40 am

1 stop24h 15m

Ho Chi Minh City

Fri 10/31

8:55 am-9:00 am

1 stop35h 05m

$965

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sun 8/31

3:20 pm-7:05 am

2 stops27h 45m

Singapore Changi

Tue 9/16

9:10 am-10:29 pm

2 stops25h 19m

$968

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

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, September is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $942). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $1,558). 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 August 4, 2025.

When flying from Philadelphia to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 4, 2025.
Read reviews from past customers who have flown EVA Air, ANA, and Korean Air 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.

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.4
Very good

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

  • 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, September is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $942). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $1,558). 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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Alternative routes for Philadelphia to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

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 August 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$724Average$1,191FlexibilityNo cancel feeOn-timeN/A
ANACheapest$807Average$1,181FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$839Average$1,296FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$900Average$1,366FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$932Average$1,365FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$958Average$1,145FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,002Average$1,128FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,054Average$1,219FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$1,108Average$1,530FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$1,219Average$1,450FlexibilityNo cancel feeOn-time72%

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