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Cheap flights from South Korea to Philadelphia from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Philadelphia departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from South Korea to Philadelphia

Recent round-trip flight deals from South Korea to Philadelphia

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
8:35 pm - 5:37 amICN-PHL
23h 02m1 stop
Hawaiian Airlines Logo
7:06 pm - 6:35 pmPHL-ICN
33h 29m1 stop
$493Hawaiian Airlines
Find Deal
Fri, Dec 26 - Sat, Jan 10
United Airlines Logo
12:45 pm - 2:31 pmICN-PHL
39h 46m2 stops
United Airlines Logo
8:35 am - 4:15 pmPHL-ICN
41h 40m1 stop
$525United Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 8
United Airlines Logo
12:45 pm - 2:31 pmICN-PHL
39h 46m3 stops
United Airlines Logo
5:00 pm - 4:15 pmPHL-ICN
33h 15m2 stops
$526United Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 8
American Airlines Logo
6:50 pm - 2:27 pmICN-PHL
33h 37m1 stop
American Airlines Logo
6:45 pm - 4:45 pmPHL-ICN
32h 00m1 stop
$585American Airlines
Find Deal
Thu, Feb 12 - Mon, Feb 16
American Airlines Logo
6:50 pm - 2:27 pmICN-PHL
33h 37m1 stop
American Airlines Logo
9:30 pm - 4:45 pmPHL-ICN
29h 15m2 stops
$586American Airlines
Find Deal
Thu, Feb 12 - Mon, Feb 16
Delta Logo
7:40 pm - 5:50 amICN-PHL
24h 10m1 stop
Delta Logo
5:17 pm - 4:30 pmPHL-ICN
33h 13m2 stops
$623Delta
Find Deal
Fri, Dec 26 - Sat, Jan 10
Delta Logo
7:30 pm - 11:55 pmICN-PHL
18h 25m1 stop
Delta Logo
5:17 pm - 4:30 pmPHL-ICN
33h 13m2 stops
$629Delta
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Fri, Dec 26 - Sat, Jan 10
Multiple Airlines Logo
12:40 pm - 8:16 pmICN-PHL
21h 36m1 stop
Multiple Airlines Logo
8:35 am - 5:45 amPHL-ICN
31h 10m1 stop
$687Multiple Airlines
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Wed, Jan 21 - Sat, Feb 14
Multiple Airlines Logo
12:40 pm - 8:16 pmICN-PHL
21h 36m1 stop
Multiple Airlines Logo
6:20 pm - 5:45 amPHL-ICN
21h 25m1 stop
$689Multiple Airlines
Find Deal
Wed, Jan 21 - Sat, Feb 14
Korean Air Logo
9:10 am - 12:40 pmICN-PHL
17h 30m1 stop
Korean Air Logo
6:18 am - 3:30 pmPHL-ICN
19h 12m1 stop
$1,416Korean Air
Find Deal
Wed, Nov 19 - Wed, Dec 17

Alaska Airlines flights from South Korea to Philadelphia

Our best Alaska Airlines deals on South Korea to Philadelphia flight tickets
Alaska Airlines
Dec 25
ICN8:35 pmIncheon Intl
23h 02m
1 stop
PHL5:37 amPhiladelphia
Jan 3
PHL7:00 amPhiladelphia
21h 35m
1 stop
ICN6:35 pmIncheon Intl
$794
Find similar
Alaska Airlines
Nov 16
ICN8:35 pmIncheon Intl
23h 07m
1 stop
PHL5:42 amPhiladelphia
Nov 20
PHL7:02 amPhiladelphia
21h 33m
1 stop
ICN6:35 pmIncheon Intl
$3,348
Find similar

United Airlines flights from South Korea to Philadelphia

Our best United Airlines deals on South Korea to Philadelphia flight tickets
United Airlines
Jan 30
ICN12:45 pmIncheon Intl
39h 46m
2 stops
PHL2:31 pmPhiladelphia
Feb 8
PHL8:35 amPhiladelphia
41h 40m
1 stop
ICN4:15 pmIncheon Intl
$525
Find similar
United Airlines
Jan 30
ICN12:45 pmIncheon Intl
39h 46m
3 stops
PHL2:31 pmPhiladelphia
Feb 8
PHL5:00 pmPhiladelphia
33h 15m
2 stops
ICN4:15 pmIncheon Intl
$526
Find similar
United Airlines
Jan 30
ICN6:00 pmIncheon Intl
35h 50m
2 stops
PHL3:50 pmPhiladelphia
Feb 8
PHL8:35 amPhiladelphia
41h 40m
1 stop
ICN4:15 pmIncheon Intl
$530
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from South Korea to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 12/26

8:35 pm-5:37 am

1 stop23h 02m

Philadelphia

Sat 1/10

7:06 pm-6:35 pm

1 stop33h 29m

$493

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 1/30

12:45 pm-2:31 pm

2 stops39h 46m

Philadelphia

Sun 2/8

8:35 am-4:15 pm

1 stop41h 40m

$525

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 1/30

12:45 pm-2:31 pm

3 stops39h 46m

Philadelphia

Sun 2/8

5:00 pm-4:15 pm

2 stops33h 15m

$526

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 2/12

6:50 pm-2:27 pm

1 stop33h 37m

Philadelphia

Mon 2/16

6:45 pm-4:45 pm

1 stop32h 00m

$585

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 2/12

6:50 pm-2:27 pm

1 stop33h 37m

Philadelphia

Mon 2/16

9:30 pm-4:45 pm

2 stops29h 15m

$586

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 12/26

7:40 pm-5:50 am

1 stop24h 10m

Philadelphia

Sat 1/10

5:17 pm-4:30 pm

2 stops33h 13m

$623

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 12/26

7:30 pm-11:55 pm

1 stop18h 25m

Philadelphia

Sat 1/10

5:17 pm-4:30 pm

2 stops33h 13m

$629

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 1/21

12:40 pm-8:16 pm

1 stop21h 36m

Philadelphia

Sat 2/14

8:35 am-5:45 am

1 stop31h 10m

$687

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 1/21

12:40 pm-8:16 pm

1 stop21h 36m

Philadelphia

Sat 2/14

6:20 pm-5:45 am

1 stop21h 25m

$689

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 11/19

9:10 am-12:40 pm

1 stop17h 30m

Philadelphia

Wed 12/17

6:18 am-3:30 pm

1 stop19h 12m

$1,416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from South Korea to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from South Korea is in October. Flight prices, which tend to average around $689, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from South Korea averaging around $709.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from South Korea to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $919. On the other hand, Saturday is the most expensive day to depart from South Korea because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,072.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from South Korea to Philadelphia in the afternoon for as low as $916. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the evening when prices are around $1,846.

Can stopping save me money on South Korea to Philadelphia flights?

You could potentially save up to 6% on your flight if you consider stops on a South Korea to Philadelphia flight.

Cheap South Korea to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to Philadelphia

Direct flights

None
There are no direct flights from South Korea to Philadelphia. There are no popular flight routes from South Korea to Philadelphia.
Search flight deals

  • When did momondo last update prices for flights from South Korea to Philadelphia Airport?

    Prices for flights from South Korea to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from South Korea to Philadelphia Airport?

  • How old do you have to be to fly from South Korea to Philadelphia Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from South Korea to Philadelphia

Compare and see reviews for airlines that fly from South Korea to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $633Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Korean AirPriceFrom $782Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Cherry Hill
Dewey Beach
Newark
Reading
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Essington
Vineland
Pottstown
New Castle
Somers Point

Why use momondo?

Why should I use momondo to find a flight deal from South Korea to Philadelphia?

It is quick and easy to find South Korea to Philadelphia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Philadelphia that suits you.

Can I find flights from South Korea to Philadelphia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Philadelphia from South Korea which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from South Korea to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from South Korea.

I’m not ready to book a flight from South Korea to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for South Korea to Philadelphia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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