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Cheap flights from Philadelphia to Seoul from $653

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 Seoul departing on 7/14. 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 Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:17 pm - 2:10 pm
PHL
-
ICN
29h 53m
1 stop
Delta Logo
6:50 pm - 9:36 am
ICN
-
PHL
27h 46m
1 stop
$1,197Delta
Thu, Jul 9 - Tue, Aug 25
Delta Logo
7:17 pm - 2:10 pm
PHL
-
ICN
29h 53m
1 stop
Delta Logo
6:50 pm - 8:48 am
ICN
-
PHL
26h 58m
2 stops
$1,201Delta
Thu, Jul 9 - Tue, Aug 25
Delta Logo
7:17 pm - 2:10 pm
PHL
-
ICN
29h 53m
1 stop
Delta Logo
7:00 pm - 5:40 am
ICN
-
PHL
23h 40m
1 stop
$1,247Delta
Thu, Jul 9 - Mon, Aug 24
Multiple Airlines Logo
4:26 pm - 5:30 pm
PHL
-
ICN
36h 04m
1 stop
Multiple Airlines Logo
12:55 pm - 3:07 pm
ICN
-
PHL
39h 12m
2 stops
$1,260Multiple Airlines
Sat, Jul 4 - Tue, Aug 25
Multiple Airlines Logo
7:26 pm - 3:50 pm
PHL
-
ICN
31h 24m
1 stop
Multiple Airlines Logo
12:55 pm - 3:07 pm
ICN
-
PHL
39h 12m
2 stops
$1,265Multiple Airlines
Sat, Jul 4 - Tue, Aug 25
Multiple Airlines Logo
7:27 pm - 4:30 am
PHL
-
ICN
44h 03m
1 stop
Multiple Airlines Logo
12:55 pm - 3:07 pm
ICN
-
PHL
39h 12m
2 stops
$1,274Multiple Airlines
Tue, Jul 7 - Tue, Aug 25
Multiple Airlines Logo
7:27 pm - 4:30 am
PHL
-
ICN
44h 03m
1 stop
Multiple Airlines Logo
12:55 pm - 3:07 pm
ICN
-
PHL
39h 12m
2 stops
$1,275Multiple Airlines
Tue, Jul 7 - Tue, Aug 25
Air Canada Logo
10:05 am - 4:05 pm
PHL
-
ICN
41h 00m
2 stops
Air Canada Logo
6:00 pm - 2:48 pm
ICN
-
PHL
33h 48m
1 stop
$1,294Air Canada
Sun, May 17 - Sun, Jun 14
Etihad Airways Logo
8:28 am - 10:50 am
PHL
-
ICN
37h 22m
2 stops
Etihad Airways Logo
5:45 pm - 8:00 pm
ICN
-
PHL
39h 15m
2 stops
$1,295Etihad Airways
Mon, Jul 6 - Mon, Aug 24
United Airlines Logo
7:45 pm - 3:00 pm
PHL
-
ICN
30h 15m
2 stops
United Airlines Logo
4:50 pm - 11:58 am
ICN
-
PHL
32h 08m
2 stops
$1,301United Airlines
Thu, Jul 9 - Mon, Aug 24

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets
Delta
Sep 20
PHL9:42 amPhiladelphia
17h 43m
1 stop
ICN4:25 pmIncheon Intl
Sep 27
ICN7:40 pmIncheon Intl
27h 53m
1 stop
PHL10:33 amPhiladelphia
$1,038
Delta
Sep 1
PHL7:00 amPhiladelphia
19h 20m
1 stop
ICN3:20 pmIncheon Intl
Oct 1
ICN7:00 pmIncheon Intl
24h 05m
1 stop
PHL6:05 amPhiladelphia
$1,046
Delta
Aug 31
PHL6:00 amPhiladelphia
21h 50m
2 stops
ICN4:50 pmIncheon Intl
Sep 30
ICN7:00 pmIncheon Intl
23h 43m
2 stops
PHL5:43 amPhiladelphia
$1,051

American Airlines flights from Philadelphia to Seoul

Our best American Airlines deals on Philadelphia to Seoul flight tickets
American Airlines
Aug 31
PHL7:00 amPhiladelphia
19h 45m
1 stop
ICN3:45 pmIncheon Intl
Sep 10
ICN5:50 pmIncheon Intl
19h 29m
1 stop
PHL12:19 amPhiladelphia
$1,047
American Airlines
Aug 30
PHL8:15 pmPhiladelphia
30h 30m
1 stop
ICN3:45 pmIncheon Intl
Sep 9
ICN5:50 pmIncheon Intl
18h 05m
1 stop
PHL10:55 pmPhiladelphia
$1,054
American Airlines
Aug 23
PHL4:28 pmPhiladelphia
34h 17m
1 stop
ICN3:45 pmIncheon Intl
Sep 2
ICN5:50 pmIncheon Intl
26h 40m
2 stops
PHL7:30 amPhiladelphia
$1,058

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Seoul 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 May 9, 2026.
Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 7/9

7:17 pm-2:10 pm

1 stop29h 53m

Incheon Intl

Tue 8/25

6:50 pm-9:36 am

1 stop27h 46m

$1,197

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 7/9

7:17 pm-2:10 pm

1 stop29h 53m

Incheon Intl

Tue 8/25

6:50 pm-8:48 am

2 stops26h 58m

$1,201
Quickest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 7/9

7:17 pm-2:10 pm

1 stop29h 53m

Incheon Intl

Mon 8/24

7:00 pm-5:40 am

1 stop23h 40m

$1,247

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 7/4

4:26 pm-5:30 pm

1 stop36h 04m

Incheon Intl

Tue 8/25

12:55 pm-3:07 pm

2 stops39h 12m

$1,260

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 7/4

7:26 pm-3:50 pm

1 stop31h 24m

Incheon Intl

Tue 8/25

12:55 pm-3:07 pm

2 stops39h 12m

$1,265

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 7/7

7:27 pm-4:30 am

1 stop44h 03m

Incheon Intl

Tue 8/25

12:55 pm-3:07 pm

2 stops39h 12m

$1,274

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 7/7

7:27 pm-4:30 am

1 stop44h 03m

Incheon Intl

Tue 8/25

12:55 pm-3:07 pm

2 stops39h 12m

$1,275

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 5/17

10:05 am-4:05 pm

2 stops41h 00m

Incheon Intl

Sun 6/14

6:00 pm-2:48 pm

1 stop33h 48m

$1,294

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 7/6

8:28 am-10:50 am

2 stops37h 22m

Incheon Intl

Mon 8/24

5:45 pm-8:00 pm

2 stops39h 15m

$1,295

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 7/9

7:45 pm-3:00 pm

2 stops30h 15m

Incheon Intl

Mon 8/24

4:50 pm-11:58 am

2 stops32h 08m

$1,301

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 Seoul from

How to get the cheapest flight ticket from Philadelphia to Seoul

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 typical price of a round-trip flight between Philadelphia and Seoul?

What is the cheapest month to fly to Seoul?

The month of August is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $493.

How far in advance should I book a flight from Philadelphia to Seoul?

You are more likely to see cheaper flights to Seoul from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,097 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Philadelphia for as low as $866 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 27% on your flight if you consider stops on a Philadelphia to Seoul flight.

How have Philadelphia to Seoul flight prices changed over time?

When to book flights from Philadelphia to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Seoul (PHL to SEL) flight deals and tips

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

Fastest flight time

19h 40m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 19h 40m
There are no direct flights from Philadelphia to Seoul. There are no popular flight routes from Philadelphia to Seoul.
Search flight deals

Frequently asked questions about flying from Philadelphia to Seoul

  • How far is Philadelphia to Seoul by plane?

    Philadelphia and Seoul are 6895.9 mi apart from one another. In terms of flight time, this usually takes a little over 19h 40m.

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

    Prices for flights from Philadelphia Airport to Seoul refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Philadelphia to Seoul?

Best airlines flying from Philadelphia to Seoul

Compare and see reviews for airlines that fly from Philadelphia to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $675Free CancellationRating
7.1
11,012 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $845Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,455 reviews
Search Delta flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
530 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights

Why use momondo?

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

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

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

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

How can momondo help me find flights from Philadelphia to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Seoul.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Philadelphia and alert you when they change.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport