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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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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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 June 16, 2025.

Round-trip from

$900
(FlightHub)

One-way from

$474
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,858
From Philadelphia to Southeast Asia
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One-way flight from Philadelphia to Southeast Asia
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Highest demand for flights based on searches. 12% potential increase in price ($201 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This FlightHub deal was found by Cheapflights users on 6/14. 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.
Wed 9/108:30 pmPHL - BKK
1 stop23h 25mQatar Airways
Wed 9/248:00 pmBKK - PHL
1 stop24h 00mQatar Airways
Deal found 6/14$900
This Air Canada deal was found by Cheapflights users on 6/14. 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 8/253:20 pmPHL - MNL
2 stops27h 00mAir Canada
Fri 9/129:25 amMNL - PHL
2 stops41h 13mAir Canada
Deal found 6/14$901
This Gurufare deal was found by Cheapflights users on 6/14. 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.
Tue 8/1212:38 pmPHL - BKK
2 stops30h 22mANA
Tue 9/29:35 pmBKK - PHL
2 stops27h 42mANA
Deal found 6/14$926
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 9/106:50 pmPHL - BKK
2 stops41h 35mDelta
Wed 9/249:50 amBKK - PHL
2 stops25h 33mDelta
Deal found 6/14$928
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:30 amPHL - MNL
2 stops34h 50mMultiple Airlines
Thu 9/189:10 amMNL - PHL
2 stops24h 28mMultiple Airlines
Deal found 6/14$929
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/1510:40 amPHL - BKK
2 stops30h 55mUnited Airlines
Tue 7/229:35 amBKK - PHL
2 stops54h 51mUnited Airlines
Deal found 6/14$934
This lol.travel deal was found by Cheapflights users on 6/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:20 amPHL - SIN
2 stops48h 05mUnited Airlines
Mon 7/288:45 amSIN - PHL
1 stop32h 41mUnited Airlines
Deal found 6/16$946
This Gurufare deal was found by Cheapflights users on 6/14. 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 8/256:30 amPHL - SGN
2 stops28h 25mANA
Mon 9/227:00 amSGN - PHL
2 stops28h 20mANA
Deal found 6/14$966
This oojo deal was found by Cheapflights users on 6/14. 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 10/18:30 pmPHL - SGN
1 stop24h 10mQatar Airways
Fri 10/318:55 amSGN - PHL
1 stop35h 05mQatar Airways
Deal found 6/14$967
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/35:07 pmPHL - SGN
3 stops41h 48mUnited Airlines
Mon 12/111:05 pmSGN - PHL
2 stops27h 12mUnited Airlines
Deal found 6/14$968
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Sat 9/66:00 amPHL - SIN
2 stops35h 00mKorean Air
Fri 9/197:30 amSIN - PHL
2 stops45h 47mKorean Air
Deal found 6/14$971
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/33:25 pmPHL - CEB
2 stops44h 55mMultiple Airlines
Tue 9/161:20 amCEB - PHL
2 stops32h 18mMultiple Airlines
Deal found 6/15$976

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 June 16, 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

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Wed 9/10

8:30 pm-6:55 am

1 stop23h 25m

Bangkok Suvarnabhumi

Wed 9/24

8:00 pm-9:00 am

1 stop24h 00m

$900

PhiladelphiaManila

PHL - MNL

PHLMNL

Philadelphia

Mon 8/25

3:20 pm-6:20 am

2 stops27h 00m

Manila Ninoy Aquino Intl

Fri 9/12

9:25 am-2:38 pm

2 stops41h 13m

$901

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 8/12

12:38 pm-6:00 am

2 stops30h 22m

Bangkok Suvarnabhumi

Tue 9/2

9:35 pm-2:17 pm

2 stops27h 42m

$926

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Wed 9/10

6:50 pm-11:25 pm

2 stops41h 35m

Bangkok Suvarnabhumi

Wed 9/24

9:50 am-12:23 am

2 stops25h 33m

$928

PhiladelphiaManila

PHL - MNL

PHLMNL

Philadelphia

Mon 9/1

7:30 am-6:20 am

2 stops34h 50m

Manila Ninoy Aquino Intl

Thu 9/18

9:10 am-9:38 pm

2 stops24h 28m

$929

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Tue 7/15

10:40 am-4:35 am

2 stops30h 55m

Bangkok Suvarnabhumi

Tue 7/22

9:35 am-5:26 am

2 stops54h 51m

$934

PhiladelphiaSingapore

PHL - SIN

PHLSIN

Philadelphia

Sat 7/12

6:20 am-6:25 pm

2 stops48h 05m

Singapore Changi

Mon 7/28

8:45 am-5:26 am

1 stop32h 41m

$946

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Mon 8/25

8:25 pm-7:40 am

1 stop24h 15m

Ho Chi Minh City

Mon 9/22

8:00 pm-9:00 am

1 stop24h 00m

$966

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Mon 11/3

12:40 pm-10:55 pm

3 stops46h 15m

Ho Chi Minh City

Mon 12/1

11:05 pm-5:24 pm

2 stops30h 19m

$968

PhiladelphiaHo Chi Minh City

PHL - SGN

PHLSGN

Philadelphia

Tue 11/4

12:40 pm-9:50 pm

2 stops45h 10m

Ho Chi Minh City

Wed 11/19

11:05 pm-2:07 pm

2 stops27h 02m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

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, March is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $953). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $1,574). 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 June 16, 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.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 June 16, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Philadelphia to Southeast Asia to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,204 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,090 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,494 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
740 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Entertainment

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 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 Qatar Airways ($474), Korean Air ($489), and United Airlines ($522).

  • 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, March is the cheapest month in which you can book a flight from Philadelphia to Southeast Asia (average of $953). Flying from Philadelphia to Southeast Asia in December is currently the most expensive (average of $1,574). 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.
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
John F Kennedy Intl to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
Dulles Intl to Haneda flights
John F Kennedy Intl to Hong Kong flights
John F Kennedy Intl to Incheon Intl flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
John F Kennedy Intl to Manila flights
Newark to Suvarnabhumi flights
Newark to New Delhi flights
John F Kennedy Intl to Mumbai flights
Newark to Mumbai flights
Dulles Intl to Suvarnabhumi flights
John F Kennedy Intl to Hongqiao Intl flights
LaGuardia to Suvarnabhumi flights
John F Kennedy Intl to New Delhi flights
Dulles Intl to Narita flights
Dulles Intl to Incheon Intl flights
LaGuardia to New Delhi flights
John F Kennedy Intl to Ahmedabad flights
Reagan-National to Narita flights
Reagan-National to Haneda flights
Newark to Taiwan Taoyuan Intl flights
Newark to Hongqiao Intl flights
Newark to Ahmedabad flights
Newark to Manila flights
LaGuardia to Mumbai flights
John F Kennedy Intl to Pu Dong flights
LaGuardia to Taiwan Taoyuan Intl flights
John F Kennedy Intl to Don Mueang Intl flights
John F Kennedy Intl to Hyderabad flights
John F Kennedy Intl to Sung Shan flights
Reagan-National to Suvarnabhumi flights
John F Kennedy Intl to Singapore flights
John F Kennedy Intl to Dhaka flights
Newark to Incheon Intl flights
John F Kennedy Intl to Fuzhou flights
Dulles Intl to Manila flights
Newark to Hyderabad flights
Dulles Intl to Hyderabad flights
Dulles Intl to Mumbai flights
Dulles Intl to New Delhi flights
LaGuardia to Manila flights
John F Kennedy Intl to Denpasar flights
LaGuardia to Incheon Intl flights
John F Kennedy Intl to Gimpo Intl flights

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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$724Average$1,595FlexibilityNo cancel feeOn-timeN/A
ANACheapest$807Average$1,247FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$872Average$1,433FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$909Average$1,377FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$932Average$1,393FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$980Average$1,153FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,002Average$1,124FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,054Average$1,233FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$1,120Average$1,562FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$1,219Average$1,454FlexibilityNo cancel feeOn-time72%

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