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$478+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ICN
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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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 14, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$988
(Kiwi.com)

One-way from

$478
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,173
Provider with most accurate pricing for Philadelphia-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Seoul (SEL) flights.
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From Philadelphia to South Korea
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One-way flight from Philadelphia to South Korea
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Highest demand for flights based on searches. 3% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 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 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 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Thu 5/2210:29 pmPHL - ICN
2 stops33h 01mMultiple Airlines
Wed 6/1110:05 pmICN - PHL
1 stop21h 53mMultiple Airlines
Deal found 5/13$988
This Air Canada deal was found by Cheapflights users on 5/14. 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.
Wed 10/13:25 pmPHL - ICN
1 stop35h 50mAir Canada
Thu 10/165:45 pmICN - PHL
2 stops29h 05mAir Canada
Deal found 5/14$1,010
This Delta deal was found by Cheapflights users on 5/13. 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 9/1612:35 pmPHL - ICN
1 stop26h 25mDelta
Tue 9/306:40 pmICN - PHL
1 stop18h 03mDelta
Deal found 5/13$1,132
This Booking.com deal was found by Cheapflights users on 5/13. 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.
Tue 12/26:30 amPHL - GMP
2 stops26h 00mMultiple Airlines
Tue 12/167:45 amGMP - PHL
2 stops40h 06mMultiple Airlines
Deal found 5/13$1,166
This United Airlines deal was found by Cheapflights users on 5/13. 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 5/13$1,247
This KAYAK deal was found by Cheapflights users on 5/13. 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 10/209:15 pmPHL - GMP
2 stops24h 30mJapan Airlines
Mon 11/107:50 amGMP - PHL
2 stops19h 01mJapan Airlines
Deal found 5/13$1,362
This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amPHL - PUS
2 stops22h 15mKorean Air
Wed 1/284:10 pmPUS - PHL
2 stops21h 36mKorean Air
Deal found 5/14$1,485
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:03 pmPHL - GMP
2 stops33h 02mANA
Sun 9/217:55 pmGMP - PHL
2 stops34h 26mANA
Deal found 5/14$1,596
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:00 amPHL - TAE
2 stops25h 35mKorean Air
Sun 6/87:05 amTAE - PHL
2 stops22h 44mKorean Air
Deal found 5/14$1,702
This Delta deal was found by Cheapflights users on 5/13. 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.
Sat 5/247:20 amPHL - PUS
2 stops35h 25mDelta
Sun 6/298:45 amPUS - PHL
2 stops28h 41mDelta
Deal found 5/13$1,754
This Jetabroad deal was found by Cheapflights users on 5/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:30 amPHL - PUS
2 stops25h 05mMultiple Airlines
Tue 7/84:45 pmPUS - PHL
2 stops49h 41mMultiple Airlines
Deal found 5/13$1,774

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 14, 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

Sun 10/19

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Wed 10/22

6:00 pm-9:38 pm

1 stop16h 38m

$1,003

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 5/24

6:41 pm-8:30 pm

2 stops36h 49m

Incheon Intl

Tue 6/17

12:45 pm-7:00 am

1 stop31h 15m

$1,029

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/16

12:35 pm-4:00 am

1 stop26h 25m

Incheon Intl

Tue 9/30

6:40 pm-11:43 pm

1 stop18h 03m

$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

Wed 10/1

10:20 am-10:05 pm

2 stops46h 45m

Incheon Intl

Wed 10/15

1:35 am-10:22 pm

2 stops33h 47m

$1,296

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 10/14

3:00 pm-5:40 pm

2 stops37h 40m

Incheon Intl

Wed 10/29

12:10 am-7:33 am

2 stops44h 23m

$1,360

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 10/20

9:15 pm-10:45 am

2 stops24h 30m

Seoul Gimpo Intl

Mon 11/10

7:50 am-12:51 pm

2 stops19h 01m

$1,362

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 7/17

6:45 am-4:50 pm

1 stop21h 05m

Incheon Intl

Tue 9/2

6:50 pm-12:27 am

1 stop18h 37m

$1,363

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 7/8

6:46 am-3:30 pm

1 stop19h 44m

Incheon Intl

Sun 7/20

5:25 pm-12:59 am

1 stop20h 34m

$1,377

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-2:29 pm

2 stops19h 34m

$1,391

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 26 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 $1,002). 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 14, 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 14, 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines and ANA 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.
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,073 reviews
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,471 reviews
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
864 reviews
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,946 reviews
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,730 reviews
Korean Air
8.4
Very good
1,073 reviews

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 $577. However, be on the lookout for offers from United Airlines and Delta, 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?

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

  • 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 $1,002). 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.

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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.
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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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$533Average$1,206FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$795Average$1,099FlexibilityNo cancel feeOn-time67%
DeltaCheapest$873Average$1,325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$903Average$1,326FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,076Average$1,814FlexibilityNo cancel feeOn-time81%

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