South Korea

$434+ Cheap flights from Philadelphia (PHL) to South Korea

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ICN
May 6 — May 131
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Cheap flight deals from Philadelphia to South Korea

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

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$951
(Kiwi.com)

One-way from

$434
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,192
Provider with most accurate pricing for Philadelphia-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Seoul (SEL) flights.
From Philadelphia to South Korea
One-way flight from Philadelphia to South Korea
Highest demand for flights based on searches. 2% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from Philadelphia to South Korea

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

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:10 amPHL - ICN
2 stops24h 20mMultiple Airlines
Wed 6/410:05 pmICN - PHL
1 stop21h 25mMultiple Airlines
Deal found 4/30$951
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:25 pmPHL - ICN
1 stop35h 50mAir Canada
Wed 9/246:00 pmICN - PHL
1 stop33h 38mAir Canada
Deal found 4/30$1,003
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.
Wed 8/206:15 pmPHL - ICN
1 stop20h 45mDelta
Tue 8/266:50 pmICN - PHL
1 stop18h 37mDelta
Deal found 4/30$1,132
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.
Tue 7/810:10 amPHL - ICN
2 stops29h 10mUnited Airlines
Mon 7/1411:30 amICN - PHL
3 stops26h 00mUnited Airlines
Deal found 4/30$1,247
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:00 amPHL - ICN
2 stops47h 45mWestJet
Fri 6/208:45 pmICN - PHL
2 stops39h 09mWestJet
Deal found 4/30$1,265
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:20 amPHL - ICN
2 stops46h 45mEtihad Airways
Fri 10/101:35 amICN - PHL
2 stops30h 07mEtihad Airways
Deal found 4/30$1,315
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:47 amPHL - GMP
2 stops26h 03mJapan Airlines
Tue 8/267:20 pmGMP - PHL
2 stops32h 35mJapan Airlines
Deal found 4/30$1,340
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:00 amPHL - ICN
1 stop22h 25mKorean Air
Tue 6/109:30 amICN - PHL
1 stop20h 19mKorean Air
Deal found 4/30$1,355
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amPHL - PUS
2 stops23h 35mKorean Air
Wed 1/2812:00 pmPUS - PHL
2 stops25h 46mKorean Air
Deal found 4/30$1,485
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amPHL - TAE
2 stops22h 35mKorean Air
Wed 1/287:40 amTAE - PHL
2 stops30h 06mKorean Air
Deal found 4/30$1,493
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:33 pmPHL - TAE
2 stops36h 02mDelta
Sat 8/97:05 amTAE - PHL
2 stops27h 53mDelta
Deal found 4/29$1,528
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.
Mon 9/88:55 amPHL - GMP
2 stops23h 55mMultiple Airlines
Wed 9/247:55 amGMP - PHL
2 stops20h 00mMultiple Airlines
Deal found 4/30$1,554

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to South Korea 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 Philadelphia to South Korea that are best for you.

Fly from

Philadelphia

Fly to

South Korea

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 5/28

7:10 am-8:30 pm

2 stops24h 20m

Incheon Intl

Wed 6/4

10:05 pm-6:30 am

1 stop21h 25m

$951

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 9/8

3:25 pm-4:15 pm

1 stop35h 50m

Incheon Intl

Wed 9/24

6:00 pm-2:38 pm

1 stop33h 38m

$1,003

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 8/20

6:15 pm-4:00 am

1 stop20h 45m

Incheon Intl

Tue 8/26

6:50 pm-12:27 am

1 stop18h 37m

$1,132

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 7/8

10:10 am-4:20 am

2 stops29h 10m

Incheon Intl

Mon 7/14

11:30 am-12:30 am

3 stops26h 00m

$1,247

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 6/1

6:00 am-6:45 pm

2 stops47h 45m

Incheon Intl

Fri 6/20

8:45 pm-10:54 pm

2 stops39h 09m

$1,265

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 9/26

10:20 am-10:05 pm

2 stops46h 45m

Incheon Intl

Fri 10/10

1:35 am-6:42 pm

2 stops30h 07m

$1,315

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 8/20

6:47 am-9:50 pm

2 stops26h 03m

Seoul Gimpo Intl

Tue 8/26

7:20 pm-2:55 pm

2 stops32h 35m

$1,340

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 5/20

6:00 am-5:25 pm

1 stop22h 25m

Incheon Intl

Tue 6/10

9:30 am-4:49 pm

1 stop20h 19m

$1,355

PhiladelphiaDaegu

PHL - TAE

PHLTAE

Philadelphia

Sun 7/20

7:33 pm-8:35 pm

2 stops36h 02m

Daegu

Sat 8/9

7:05 am-9:58 pm

2 stops27h 53m

$1,528

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 9/8

8:55 am-9:50 pm

2 stops23h 55m

Seoul Gimpo Intl

Wed 9/24

7:55 am-2:55 pm

2 stops20h 00m

$1,554

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 32 results
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Best time to book a flight from Philadelphia to South Korea

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

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to South Korea (average of $1,001). Flying from Philadelphia to South Korea in December is currently the most expensive (average of $1,635). 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 KR?

Find hourly flight availability from Philadelphia to South Korea. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to South Korea as you normally would.

Rainfall in South Korea by month

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

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan Airlines from Philadelphia to South Korea to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Comfort

8.3

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

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 Philadelphia to South Korea. 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 South Korea?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to South Korea.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $507. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Philadelphia to South Korea for a low price.

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to South Korea (average of $1,001). Flying from Philadelphia to South Korea in December is currently the most expensive (average of $1,635). 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 South Korea

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

Top 5 airlines flying from Philadelphia to South Korea

Discover the top 5 airlines that operate flights from Philadelphia to South Korea. 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
United AirlinesCheapest$560Average$1,251FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$795Average$1,099FlexibilityNo cancel feeOn-time67%
DeltaCheapest$875Average$1,325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$903Average$1,339FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,076Average$1,798FlexibilityNo cancel feeOn-time81%

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