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Cheap flights from South Korea to Philadelphia from $424

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 10/10. 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

Hawaiian Airlines Logo
8:35 pm - 5:37 amICN-PHL
23h 02m1 stop
Hawaiian Airlines Logo
6:35 pm - 6:35 pmPHL-ICN
34h 00m1 stop
$527Hawaiian Airlines
Find Deal
Fri, Dec 26 - Sat, Jan 10
Alaska Airlines Logo
8:35 pm - 5:42 amICN-PHL
23h 07m1 stop
Alaska Airlines Logo
7:02 am - 6:35 pmPHL-ICN
21h 33m1 stop
$537Alaska Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
United Airlines Logo
6:00 pm - 9:46 amICN-PHL
29h 46m2 stops
United Airlines Logo
10:34 am - 5:40 amPHL-ICN
29h 06m2 stops
$548United Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
United Airlines Logo
6:00 pm - 2:31 pmICN-PHL
34h 31m2 stops
United Airlines Logo
8:35 am - 4:15 pmPHL-ICN
41h 40m1 stop
$550United Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 8
United Airlines Logo
12:45 pm - 5:12 pmICN-PHL
18h 27m1 stop
United Airlines Logo
10:34 am - 5:40 amPHL-ICN
29h 06m2 stops
$551United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Delta Logo
7:30 pm - 11:46 pmICN-PHL
18h 16m1 stop
Delta Logo
6:00 am - 4:30 pmPHL-ICN
20h 30m2 stops
$638Delta
Find Deal
Fri, Jan 30 - Sun, Feb 8
Delta Logo
7:40 pm - 5:36 amICN-PHL
23h 56m1 stop
Delta Logo
5:20 pm - 4:30 pmPHL-ICN
33h 10m2 stops
$640Delta
Find Deal
Fri, Dec 26 - Sat, Jan 10
Korean Air Logo
7:25 pm - 10:51 pmICN-PHL
17h 26m1 stop
Korean Air Logo
7:00 am - 4:35 pmPHL-ICN
19h 35m1 stop
$789Korean Air
Find Deal
Thu, Dec 25 - Fri, Jan 2
Air Canada Logo
6:55 pm - 3:49 pmICN-PHL
34h 54m2 stops
Air Canada Logo
9:15 am - 4:05 pmPHL-ICN
41h 50m2 stops
$904Air Canada
Find Deal
Wed, Jan 14 - Thu, Jul 30
Air Canada Logo
6:55 pm - 3:49 pmICN-PHL
34h 54m2 stops
Air Canada Logo
9:15 am - 4:15 pmPHL-ICN
18h 00m1 stop
$936Air Canada
Find Deal
Wed, Jan 14 - Thu, Jul 30

American Airlines flights from South Korea to Philadelphia

Our best American Airlines deals on South Korea to Philadelphia flight tickets
American Airlines
Dec 26
ICN7:15 pmIncheon Intl
40h 28m
2 stops
PHL9:43 pmPhiladelphia
Jan 10
PHL5:50 pmPhiladelphia
56h 55m
2 stops
ICN4:45 pmIncheon Intl
$606
Find similar
American Airlines
Oct 31
ICN5:55 pmIncheon Intl
28h 07m
2 stops
PHL9:02 amPhiladelphia
Nov 7
PHL5:00 amPhiladelphia
21h 45m
1 stop
ICN4:45 pmIncheon Intl
$721
Find similar
American Airlines
Nov 1
ICN5:55 pmIncheon Intl
30h 33m
1 stop
PHL11:28 amPhiladelphia
Nov 8
PHL6:45 pmPhiladelphia
32h 00m
1 stop
ICN4:45 pmIncheon Intl
$792
Find similar

Delta flights from South Korea to Philadelphia

Our best Delta deals on South Korea to Philadelphia flight tickets
Delta
Jan 30
ICN7:30 pmIncheon Intl
18h 16m
1 stop
PHL11:46 pmPhiladelphia
Feb 8
PHL6:00 amPhiladelphia
20h 30m
2 stops
ICN4:30 pmIncheon Intl
$638
Find similar
Delta
Dec 26
ICN7:40 pmIncheon Intl
23h 56m
1 stop
PHL5:36 amPhiladelphia
Jan 10
PHL5:20 pmPhiladelphia
33h 10m
2 stops
ICN4:30 pmIncheon Intl
$640
Find similar
Delta
Dec 26
ICN7:40 pmIncheon Intl
23h 56m
1 stop
PHL5:36 amPhiladelphia
Jan 10
PHL5:20 pmPhiladelphia
33h 10m
2 stops
ICN4:30 pmIncheon Intl
$641
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 September 18, 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

6:35 pm-6:35 pm

1 stop34h 00m

$527

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Sun 11/2

8:35 pm-5:42 am

1 stop23h 07m

Philadelphia

Sun 11/9

7:02 am-6:35 pm

1 stop21h 33m

$537

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 11/19

6:00 pm-9:46 am

2 stops29h 46m

Philadelphia

Tue 11/25

10:34 am-5:40 am

2 stops29h 06m

$548

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 1/30

6:00 pm-2:31 pm

2 stops34h 31m

Philadelphia

Sun 2/8

8:35 am-4:15 pm

1 stop41h 40m

$550

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 11/5

12:45 pm-5:12 pm

1 stop18h 27m

Philadelphia

Wed 11/12

10:34 am-5:40 am

2 stops29h 06m

$551

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 1/30

7:30 pm-11:46 pm

1 stop18h 16m

Philadelphia

Sun 2/8

6:00 am-4:30 pm

2 stops20h 30m

$638

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Fri 12/26

7:40 pm-5:36 am

1 stop23h 56m

Philadelphia

Sat 1/10

5:20 pm-4:30 pm

2 stops33h 10m

$640

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Thu 12/25

7:25 pm-10:51 pm

1 stop17h 26m

Philadelphia

Fri 1/2

7:00 am-4:35 pm

1 stop19h 35m

$789

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 1/14

6:55 pm-3:49 pm

2 stops34h 54m

Philadelphia

Thu 7/30

9:15 am-4:05 pm

2 stops41h 50m

$904

IncheonPhiladelphia

ICN - PHL

ICNPHL

Incheon Intl

Wed 1/14

6:55 pm-3:49 pm

2 stops34h 54m

Philadelphia

Thu 7/30

9:15 am-4:15 pm

1 stop18h 00m

$936

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 $699, 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 15% 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 $695Free CancellationRating
7.9
7,964 reviews
Search Delta flights
Korean AirPriceFrom $782Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights
Air CanadaPriceFrom $811Free CancellationRating
7.1
10,000 reviews
Search Air Canada 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
Dewey Beach
Reading
Newark
Cherry Hill
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
West Chester

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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