HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$376+ Cheap flights from Pennsylvania 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BKK
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Pennsylvania to Southeast Asia

Keep the following information in mind while searching for Pennsylvania to Southeast Asia flight deals. Data was last updated junio 18, 2025.

Round-trip from

$790
(CrystalTravel)

One-way from

$376
(CrystalTravel)

Popular in

December

Cheapest in

September

Average price

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

Find flight deals from Pennsylvania to Southeast Asia

Cheapest flights from Pennsylvania to Southeast Asia
Explore the most affordable flight options available from Pennsylvania to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 18, 2025.

This Justfly.com deal was found by Cheapflights users on 6/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/91:30 amJFK - BKK
1 stop34h 40mMultiple Airlines
jue. 9/189:50 amBKK - JFK
1 stop24h 10mMultiple Airlines
Deal found 6/18$790
This CrystalTravel deal was found by Cheapflights users on 6/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/43:45 pmJFK - BKK
1 stop27h 45mEtihad Airways
jue. 10/162:55 amBKK - JFK
1 stop24h 10mEtihad Airways
Deal found 6/17$791
This United Airlines deal was found by Cheapflights users on 6/18. 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.
vie. 9/51:30 pmJFK - BKK
1 stop28h 05mUnited Airlines
jue. 9/189:35 amBKK - JFK
1 stop24h 20mUnited Airlines
Deal found 6/18$792
This Korean Air deal was found by Cheapflights users on 6/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/229:00 amLGA - BKK
2 stops25h 45mKorean Air
dom. 8/2411:30 pmBKK - LGA
2 stops28h 33mKorean Air
Deal found 6/18$792
This Asiana Airlines deal was found by Cheapflights users on 6/17. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1211:40 amJFK - BKK
1 stop22h 25mAsiana Airlines
dom. 11/1611:55 pmBKK - JFK
1 stop22h 05mAsiana Airlines
Deal found 6/17$793
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/29:30 pmJFK - BKK
2 stops37h 50mDelta
mié. 11/1211:15 pmBKK - JFK
1 stop22h 45mDelta
Deal found 6/17$794
This Ovago deal was found by Cheapflights users on 6/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/111:30 pmJFK - BKK
1 stop28h 05mANA
dom. 7/279:35 pmBKK - JFK
1 stop24h 25mANA
Deal found 6/18$797
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/96:00 amJFK - BKK
2 stops29h 20mKorean Air
mar. 11/251:00 amBKK - JFK
1 stop21h 00mKorean Air
Deal found 6/16$798
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:50 amLGA - BKK
2 stops28h 35mDelta
mar. 11/41:00 amBKK - LGA
2 stops22h 49mDelta
Deal found 6/16$798
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:18 amLGA - BKK
2 stops27h 37mANA
dom. 9/289:35 pmBKK - LGA
2 stops33h 42mANA
Deal found 6/16$800
This Delta deal was found by Cheapflights users on 6/18. 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.
lun. 10/208:00 amEWR - BKK
2 stops28h 25mDelta
mié. 11/1911:15 pmBKK - EWR
2 stops26h 33mDelta
Deal found 6/18$804
This FlightHub deal was found by Cheapflights users on 6/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1111:55 amEWR - BKK
1 stop21h 30mAir India
lun. 9/225:55 pmBKK - EWR
1 stop24h 40mAir India
Deal found 6/18$805

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania 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 junio 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Southeast Asia that are best for you.

Fly from

Pennsylvania

Fly to

Southeast Asia

Route

Depart

Return

Price

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

mar. 9/9

1:30 am-11:10 pm

1 stop34h 40m

Bangkok Suvarnabhumi

jue. 9/18

9:50 am-11:00 pm

1 stop24h 10m

$790

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

sáb. 10/4

3:45 pm-6:30 am

1 stop27h 45m

Bangkok Suvarnabhumi

jue. 10/16

2:55 am-4:05 pm

1 stop24h 10m

$791

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

vie. 9/5

1:30 pm-4:35 am

1 stop28h 05m

Bangkok Suvarnabhumi

jue. 9/18

9:35 am-10:55 pm

1 stop24h 20m

$792

New YorkBangkok

LGA - BKK

LGABKK

New York LaGuardia

mar. 7/22

9:00 am-9:45 pm

2 stops25h 45m

Bangkok Suvarnabhumi

dom. 8/24

11:30 pm-5:03 pm

2 stops28h 33m

$792

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

mié. 11/12

11:40 am-10:05 pm

1 stop22h 25m

Bangkok Suvarnabhumi

dom. 11/16

11:55 pm-10:00 am

1 stop22h 05m

$793

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

dom. 11/2

9:30 pm-11:20 pm

2 stops37h 50m

Bangkok Suvarnabhumi

mié. 11/12

9:30 pm-10:00 am

1 stop24h 30m

$794

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

vie. 7/11

1:30 pm-4:35 am

1 stop28h 05m

Bangkok Suvarnabhumi

dom. 7/27

9:35 pm-11:00 am

1 stop24h 25m

$797

New YorkBangkok

JFK - BKK

JFKBKK

New York John F Kennedy Intl

dom. 11/9

6:00 am-11:20 pm

2 stops29h 20m

Bangkok Suvarnabhumi

mar. 11/25

1:00 am-10:00 am

1 stop21h 00m

$798

New YorkBangkok

LGA - BKK

LGABKK

New York LaGuardia

mié. 10/22

7:50 am-11:25 pm

2 stops28h 35m

Bangkok Suvarnabhumi

mar. 11/4

1:00 am-11:49 am

2 stops22h 49m

$798

New YorkBangkok

LGA - BKK

LGABKK

New York LaGuardia

mar. 9/16

9:18 am-11:55 pm

2 stops27h 37m

Bangkok Suvarnabhumi

dom. 9/28

9:35 pm-8:17 pm

2 stops33h 42m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Southeast Asia

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

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

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Southeast Asia (average of $953). Flying from Pennsylvania 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 PA to YJX?

Find hourly flight availability from Pennsylvania 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 junio 18, 2025.

When flying from Pennsylvania 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 junio 18, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Pennsylvania to Southeast Asia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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
EVA Air
8.4
Very good
1,205 reviews
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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
Korean Air
8.4
Very good
1,090 reviews
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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
Japan Airlines
8.3
Very good
1,494 reviews
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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
China Airlines
8.3
Very good
742 reviews
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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
ANA
8.3
Very good
886 reviews
EVA Air
8.4
Very good
1,205 reviews

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

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 Pennsylvania 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 are the cheapest airlines to fly from Pennsylvania to Southeast Asia one-way?

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $376. However, be on the lookout for offers from ANA and United Airlines, as they are both options that can get you from Pennsylvania to Southeast Asia for a low price.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Southeast Asia (average of $953). Flying from Pennsylvania 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

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.

Alternative routes for Pennsylvania to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
Seattle to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
John F Kennedy Intl to Narita flights
Los Angeles to Manila flights
Seattle to Haneda flights
San Francisco to Manila flights
Los Angeles to Suvarnabhumi flights
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
Dallas/Fort Worth to Suvarnabhumi flights
John F Kennedy Intl to Hong Kong flights
Dulles Intl to Haneda flights
San Francisco to New Delhi flights
San Francisco to Ho Chi Minh City flights
Newark to Suvarnabhumi flights
Seattle to Suvarnabhumi flights
Los Angeles to Incheon Intl flights
Hobby to Haneda flights
Boston to Narita flights
Ontario to Narita flights
San Francisco to Hong Kong flights
O'Hare Intl to Narita flights
John F Kennedy Intl to Incheon Intl flights
O'Hare Intl to Haneda flights
LaGuardia to Suvarnabhumi flights
John F Kennedy Intl to Mumbai flights
San Francisco to Suvarnabhumi flights
San Francisco to Mumbai flights
Newark to New Delhi flights
Dulles Intl to Suvarnabhumi flights
John F Kennedy Intl to New Delhi flights
John F Kennedy Intl to Manila flights
Los Angeles to Taiwan Taoyuan Intl flights
Los Angeles to Ho Chi Minh City flights
John F Kennedy Intl to Hongqiao Intl flights
Seattle to Taiwan Taoyuan Intl flights
San Diego to Narita flights
Honolulu to Narita flights
Seattle to Incheon Intl flights
Ontario to Haneda flights
Hobby to Narita flights

Top 10 airlines flying from Pennsylvania to Southeast Asia

Discover the top 10 airlines that operate flights from Pennsylvania 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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$724Average$1,387FlexibilityNo cancel feeOn-timeN/A
ANACheapest$807Average$1,258FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$842Average$1,380FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$872Average$1,387FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$914Average$1,241FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$932Average$1,411FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$976Average$1,403FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,002Average$1,124FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,054Average$1,229FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$1,178Average$1,545FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.