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$429+ Cheap flights from South Korea to Philadelphia (PHL)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from South Korea to Philadelphia

Keep the following information in mind while searching for South Korea to Philadelphia flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$622
(United Airlines)

One-way from

$429
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,086
Provider with most accurate pricing for Seoul (SEL)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Philadelphia flights.
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From South Korea to Philadelphia
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One-way flight from South Korea to Philadelphia
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Highest demand for flights based on searches. 17% potential increase in price ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from South Korea to Philadelphia

Cheapest flights from South Korea to Philadelphia
Explore the most affordable flight options available from South Korea to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 9/2211:30 amICN - PHL
3 stops25h 44mUnited Airlines
Sun 9/287:58 pmPHL - ICN
2 stops30h 02mUnited Airlines
Deal found 4/30$622
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/305:25 pmICN - PHL
2 stops36h 49mAmerican Airlines
Sat 6/146:35 pmPHL - ICN
2 stops31h 55mAmerican Airlines
Deal found 4/29$756
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:40 pmICN - PHL
1 stop22h 50mMultiple Airlines
Thu 5/227:45 amPHL - ICN
1 stop20h 50mMultiple Airlines
Deal found 4/29$806
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:45 pmICN - PHL
2 stops29h 05mAir Canada
Fri 10/316:30 amPHL - ICN
1 stop21h 55mAir Canada
Deal found 4/30$815
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 7/187:20 pmICN - PHL
2 stops26h 14mDelta
Mon 8/116:00 amPHL - ICN
2 stops22h 20mDelta
Deal found 4/30$822
This Korean Air deal was found by Cheapflights users on 4/30. 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.
Mon 8/256:50 pmICN - PHL
1 stop18h 37mKorean Air
Fri 8/295:55 amPHL - ICN
1 stop19h 15mKorean Air
Deal found 4/30$972
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:55 pmGMP - PHL
2 stops31h 11mANA
Sun 9/286:30 amPHL - GMP
2 stops26h 50mANA
Deal found 4/30$1,335
This Japan Airlines deal was found by Cheapflights users on 4/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:55 amGMP - PHL
2 stops19h 34mJapan Airlines
Tue 9/308:55 amPHL - GMP
2 stops23h 55mJapan Airlines
Deal found 4/30$1,481
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 7/187:55 amGMP - PHL
2 stops22h 55mMultiple Airlines
Mon 8/119:15 pmPHL - GMP
2 stops24h 30mMultiple Airlines
Deal found 4/30$1,680

Cheapflights Fare Finder

Customize your flight search to find flights from South Korea to Philadelphia 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 May 1, 2025.
Use the filters below to find and compare flights from South Korea to Philadelphia that are best for you.

Fly from

South Korea

Fly to

Philadelphia

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 9/22

11:30 am-5:28 pm

1 stop18h 58m

Philadelphia

Sun 9/28

6:33 pm-3:00 pm

1 stop31h 27m

$622

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 5/30

5:25 pm-5:14 pm

2 stops36h 49m

Philadelphia

Sat 6/14

6:35 pm-3:30 pm

2 stops31h 55m

$756

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 5/19

8:40 pm-6:30 am

1 stop22h 50m

Philadelphia

Thu 5/22

7:45 am-5:35 pm

1 stop20h 50m

$806

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 10/20

5:45 pm-9:50 am

2 stops29h 05m

Philadelphia

Fri 10/31

6:30 am-5:25 pm

1 stop21h 55m

$815

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 7/18

7:20 pm-8:34 am

2 stops26h 14m

Philadelphia

Mon 8/11

6:00 am-5:20 pm

2 stops22h 20m

$822

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 8/25

6:50 pm-12:27 am

1 stop18h 37m

Philadelphia

Fri 8/29

5:55 am-2:10 pm

1 stop19h 15m

$972

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Mon 9/22

7:55 pm-2:06 pm

2 stops31h 11m

Philadelphia

Sun 9/28

6:30 am-10:20 pm

2 stops26h 50m

$1,335

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Wed 9/10

7:55 am-2:29 pm

2 stops19h 34m

Philadelphia

Tue 9/30

8:55 am-9:50 pm

2 stops23h 55m

$1,481

SeoulPhiladelphia

GMP - PHL

GMPPHL

Seoul Gimpo Intl

Fri 7/18

7:55 am-5:50 pm

2 stops22h 55m

Philadelphia

Mon 8/11

9:15 pm-10:45 am

2 stops24h 30m

$1,680

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Mon 5/5

6:20 pm-11:18 am

2 stops29h 58m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 24 results
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Best time to book a flight from South Korea to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from South Korea 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 South Korea to Philadelphia

What is the cheapest month to book a flight from South Korea to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from South Korea to Philadelphia (average of $236). Flying from South Korea to Philadelphia in March is currently the most expensive (average of $295). 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 KR to PHL?

Find hourly flight availability from South Korea to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from South Korea to Philadelphia, 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 Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from South Korea to Philadelphia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,068 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,464 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Delta
8.0
Very good
7,934 reviews
EVA Air
8.4
Very good
1,186 reviews

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from South Korea to Philadelphia. 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 into for flights to Philadelphia from South Korea?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from South Korea to Philadelphia. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

  • What are the cheapest airlines to fly from South Korea to Philadelphia one-way?

    $501 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Korean Air, with prices starting from $503 and $535, respectively.

  • What are the most popular routes from South Korea to Philadelphia?

    The most popular flight routes from South Korea to Philadelphia are Incheon Intl - Philadelphia, Seoul Gimpo Intl - Philadelphia and Jeju City - Philadelphia.

  • Can I find deals for flights from South Korea to Philadelphia that include hotel bookings?

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

  • How can I find direct flights from South Korea to Philadelphia?

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

  • Can I find deals for business class flights from South Korea to Philadelphia?

    Yes. Cheapflights offers flight deals from South Korea to Philadelphia 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 South Korea to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from South Korea to Philadelphia (average of $236). Flying from South Korea to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near South Korea?

Book flights to South Korea if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from South Korea to Philadelphia

Discover the top 5 airlines that operate flights from South Korea to Philadelphia. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$552Average$807FlexibilityNo cancel feeOn-time71%
DeltaCheapest$646Average$1,156FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$659Average$731FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$811Average$1,112FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$885Average$1,086FlexibilityNo cancel feeOn-time81%

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