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Cheap flights from Philadelphia to South Korea from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to South Korea departing on 10/1. 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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0 bags

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Find the cheapest flights from Philadelphia to South Korea

Cheap round-trip flights

Logo
7:22 am - 6:35 pmPHL-ICN
22h 13m1 stop
Logo
6:00 pm - 2:38 pmICN-PHL
33h 38m1 stop
$784
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Wed, Oct 1 - Wed, Oct 8
Delta Logo
6:25 pm - 4:00 amPHL-ICN
20h 35m1 stop
Delta Logo
6:40 pm - 11:55 pmICN-PHL
18h 15m1 stop
$826Delta
Find Deal
Mon, Sep 1 - Fri, Sep 12
Alaska Airlines Logo
7:22 am - 6:35 pmPHL-ICN
22h 13m1 stop
Alaska Airlines Logo
8:35 pm - 5:40 amICN-PHL
22h 05m1 stop
$866Alaska Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16
Alaska Airlines Logo
7:10 am - 6:35 pmPHL-ICN
21h 25m1 stop
Alaska Airlines Logo
8:35 pm - 5:47 amICN-PHL
23h 12m1 stop
$867Alaska Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Air Canada Logo
3:25 pm - 4:15 pmPHL-ICN
35h 50m1 stop
Air Canada Logo
5:45 pm - 2:38 pmICN-PHL
33h 53m2 stops
$869Air Canada
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Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
10:10 am - 5:40 amPHL-ICN
29h 30m2 stops
United Airlines Logo
12:45 pm - 5:28 pmICN-PHL
18h 43m1 stop
$871United Airlines
Find Deal
Sat, Jan 10 - Wed, Feb 4
Air Canada Logo
3:30 pm - 5:10 pmPHL-ICN
35h 40m2 stops
Air Canada Logo
8:10 pm - 3:49 pmICN-PHL
33h 39m1 stop
$872Air Canada
Find Deal
Tue, Nov 25 - Mon, Dec 1
United Airlines Logo
6:25 am - 5:40 amPHL-ICN
33h 15m1 stop
United Airlines Logo
12:45 pm - 7:41 pmICN-PHL
20h 56m1 stop
$874United Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
Japan Airlines Logo
1:39 pm - 10:55 amPHL-GMP
31h 16m2 stops
Japan Airlines Logo
7:50 am - 8:13 pmGMP-PHL
26h 23m2 stops
$960Japan Airlines
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Fri, Dec 5 - Mon, Dec 15
Japan Airlines Logo
9:15 pm - 10:45 amPHL-GMP
24h 30m2 stops
Japan Airlines Logo
7:50 am - 2:55 pmGMP-PHL
20h 05m2 stops
$966Japan Airlines
Find Deal
Thu, Oct 23 - Thu, Oct 30

Alaska Airlines flights from Philadelphia to South Korea

Our best Alaska Airlines deals on Philadelphia to South Korea flight tickets
Alaska Airlines
Oct 1
PHL7:22 amPhiladelphia
22h 13m
1 stop
ICN6:35 pmIncheon Intl
Oct 16
ICN8:35 pmIncheon Intl
22h 05m
1 stop
PHL5:40 amPhiladelphia
$866
Find similar
Alaska Airlines
Nov 21
PHL7:10 amPhiladelphia
21h 25m
1 stop
ICN6:35 pmIncheon Intl
Nov 24
ICN8:35 pmIncheon Intl
23h 12m
1 stop
PHL5:47 amPhiladelphia
$867
Find similar
Alaska Airlines
Sep 27
PHL7:22 amPhiladelphia
22h 13m
1 stop
ICN6:35 pmIncheon Intl
May 17
ICN8:35 pmIncheon Intl
22h 05m
1 stop
PHL5:40 amPhiladelphia
$868
Find similar

Air Canada flights from Philadelphia to South Korea

Our best Air Canada deals on Philadelphia to South Korea flight tickets
Air Canada
Oct 1
PHL3:25 pmPhiladelphia
35h 50m
1 stop
ICN4:15 pmIncheon Intl
Oct 8
ICN5:45 pmIncheon Intl
33h 53m
2 stops
PHL2:38 pmPhiladelphia
$869
Find similar
Air Canada
Nov 25
PHL3:30 pmPhiladelphia
35h 40m
2 stops
ICN5:10 pmIncheon Intl
Dec 1
ICN8:10 pmIncheon Intl
33h 39m
1 stop
PHL3:49 pmPhiladelphia
$872
Find similar
Air Canada
Sep 16
PHL4:50 pmPhiladelphia
34h 15m
2 stops
ICN4:05 pmIncheon Intl
Sep 30
ICN7:05 pmIncheon Intl
16h 24m
1 stop
PHL10:29 pmPhiladelphia
$879
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Philadelphia to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 10/1

7:22 am-6:35 pm

1 stop22h 13m

Incheon Intl

Wed 10/8

6:00 pm-2:38 pm

1 stop33h 38m

$784

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 9/1

6:25 pm-4:00 am

1 stop20h 35m

Incheon Intl

Fri 9/12

6:40 pm-11:55 pm

1 stop18h 15m

$826

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 10/1

7:22 am-6:35 pm

1 stop22h 13m

Incheon Intl

Thu 10/16

8:35 pm-5:40 am

1 stop22h 05m

$866

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 11/21

7:10 am-6:35 pm

1 stop21h 25m

Incheon Intl

Mon 11/24

8:35 pm-5:47 am

1 stop23h 12m

$867

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 10/1

3:25 pm-4:15 pm

1 stop35h 50m

Incheon Intl

Wed 10/8

5:45 pm-2:38 pm

2 stops33h 53m

$869

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 1/10

10:10 am-5:40 am

2 stops29h 30m

Incheon Intl

Wed 2/4

12:45 pm-5:28 pm

1 stop18h 43m

$871

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 11/25

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

Mon 12/1

8:10 pm-3:49 pm

1 stop33h 39m

$872

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 11/23

6:25 am-5:40 am

1 stop33h 15m

Incheon Intl

Sun 12/7

12:45 pm-7:41 pm

1 stop20h 56m

$874

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 12/5

1:39 pm-10:55 am

2 stops31h 16m

Seoul Gimpo Intl

Mon 12/15

7:50 am-8:13 pm

2 stops26h 23m

$960

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Thu 10/23

9:15 pm-10:45 am

2 stops24h 30m

Seoul Gimpo Intl

Thu 10/30

7:50 am-2:55 pm

2 stops20h 05m

$966

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 South Korea from

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

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 South Korea?

If you aren’t able to travel to South Korea during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $976.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Philadelphia is on a Friday. momondo users have found tickets for Friday departures for as low as $1,137. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to South Korea for around $1,368.

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

Flying to South Korea from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,187 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,412 on average. Flights to South Korea from Philadelphia in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,067 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Philadelphia for as low as $882 on momondo.

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

You could potentially save up to 48% on your flight if you consider stops on a Philadelphia to South Korea flight.

Cheap Philadelphia to South Korea flight deals and tips

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

Best Price Found

$414

Fastest flight time

17h 46m

Direct flights

None

Airports in South Korea

3 airports
The best one-way flight to South Korea from Philadelphia in the past 72 hours is $414. The best round-trip flight deal from Philadelphia to South Korea found on momondo in the last 72 hours is $784.
The fastest flight from Philadelphia to South Korea takes 17h 46m
There are no direct flights from Philadelphia to South Korea. Popular non-direct routes for this connection are Philadelphia Airport - Seoul Gimpo Intl Airport, Philadelphia Airport - Busan Gimhae Airport and Philadelphia Airport - Incheon Intl Airport.
There are 3 airports near South Korea: Incheon Intl (ICN), Seoul Gimpo Intl (GMP), Busan Gimhae (PUS)
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  • When did momondo last update prices for flights from Philadelphia Airport to South Korea?

    Prices for flights from Philadelphia Airport to South Korea refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The required travel and health documents for your South Korea 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 South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Philadelphia to South Korea

Compare and see reviews for airlines that fly from Philadelphia to South Korea with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $560Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Air CanadaPriceFrom $795Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
American AirlinesPriceFrom $871Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $872Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Korean AirPriceFrom $1,060Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to South Korea. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to South Korea from Philadelphia with this policy.

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

Once all potential Philadelphia to South Korea flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Philadelphia to South Korea now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South Korea and let you know when they change.

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