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Cheap flights from Philadelphia to Seoul from $587

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 7/27. 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.
Alaska Airlines Logo
7:02 am - 5:30 pm
PHL
-
ICN
21h 28m
1 stop
Alaska Airlines Logo
7:35 pm - 5:40 am
ICN
-
PHL
23h 05m
1 stop
$1,016Alaska Airlines
Mo, Aug 31 - Mi, Sep 30
United Airlines Logo
5:01 pm - 4:20 am
PHL
-
ICN
22h 19m
2 stops
United Airlines Logo
4:50 pm - 7:49 am
ICN
-
PHL
27h 59m
1 stop
$1,021United Airlines
Mi, Sep 2 - Mi, Sep 16
United Airlines Logo
6:36 pm - 3:00 pm
PHL
-
ICN
31h 24m
1 stop
United Airlines Logo
4:50 pm - 7:49 am
ICN
-
PHL
27h 59m
1 stop
$1,024United Airlines
So, Sep 13 - Do, Sep 24
United Airlines Logo
10:00 am - 4:20 am
PHL
-
ICN
29h 20m
2 stops
United Airlines Logo
4:50 pm - 12:23 pm
ICN
-
PHL
32h 33m
2 stops
$1,034United Airlines
Mi, Aug 5 - Di, Aug 25
United Airlines Logo
6:36 pm - 4:20 am
PHL
-
ICN
20h 44m
1 stop
United Airlines Logo
11:30 am - 5:30 pm
ICN
-
PHL
19h 00m
1 stop
$1,066United Airlines
Fr, Sep 4 - Mo, Sep 21
United Airlines Logo
8:26 pm - 4:15 pm
PHL
-
ICN
29h 49m
2 stops
United Airlines Logo
12:45 pm - 9:20 pm
ICN
-
PHL
22h 35m
1 stop
$1,071United Airlines
So, Nov 1 - Sa, Nov 14
Alaska Airlines Logo
6:08 pm - 5:30 pm
PHL
-
ICN
34h 22m
1 stop
Alaska Airlines Logo
7:35 pm - 5:40 am
ICN
-
PHL
23h 05m
1 stop
$1,074Alaska Airlines
So, Sep 6 - So, Okt 4
United Airlines Logo
6:23 pm - 3:00 pm
PHL
-
ICN
31h 37m
1 stop
United Airlines Logo
4:50 pm - 11:58 am
ICN
-
PHL
32h 08m
2 stops
$1,080United Airlines
Sa, Aug 1 - Mi, Sep 30
Japan Airlines Logo
5:00 am - 5:55 pm
PHL
-
GMP
23h 55m
2 stops
Japan Airlines Logo
7:15 pm - 4:20 pm
GMP
-
PHL
34h 05m
2 stops
$1,635Japan Airlines
Di, Aug 25 - Mi, Sep 2
Japan Airlines Logo
7:00 am - 9:15 pm
PHL
-
GMP
25h 15m
2 stops
Japan Airlines Logo
8:00 am - 4:43 pm
GMP
-
PHL
21h 43m
2 stops
$1,649Japan Airlines
Fr, Aug 28 - Fr, Sep 4

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets
United Airlines
Aug 31
PHL6:00 amPhiladelphia
20h 00m
1 stop
ICN3:00 pmIncheon Intl
Sep 21
ICN4:50 pmIncheon Intl
27h 59m
1 stop
PHL7:49 amPhiladelphia
$1,016
United Airlines
Sep 2
PHL5:01 pmPhiladelphia
22h 19m
2 stops
ICN4:20 amIncheon Intl
Sep 16
ICN4:50 pmIncheon Intl
27h 59m
1 stop
PHL7:49 amPhiladelphia
$1,021
United Airlines
Sep 13
PHL6:36 pmPhiladelphia
31h 24m
1 stop
ICN3:00 pmIncheon Intl
Sep 24
ICN4:50 pmIncheon Intl
27h 59m
1 stop
PHL7:49 amPhiladelphia
$1,024

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets
Delta
Aug 13
PHL6:55 pmPhiladelphia
20h 05m
1 stop
ICN4:00 amIncheon Intl
Aug 31
ICN7:20 pmIncheon Intl
23h 45m
1 stop
PHL6:05 amPhiladelphia
$1,146
Delta
Aug 31
PHL5:45 amPhiladelphia
22h 05m
2 stops
ICN4:50 pmIncheon Intl
Sep 30
ICN7:40 pmIncheon Intl
26h 02m
2 stops
PHL8:42 amPhiladelphia
$1,151
Delta
Aug 31
PHL6:05 amPhiladelphia
21h 20m
1 stop
ICN4:25 pmIncheon Intl
Sep 30
ICN7:00 pmIncheon Intl
23h 50m
1 stop
PHL5:50 amPhiladelphia
$1,176

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 Juni 1, 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

Mo 8/31

7:02 am-5:30 pm

1 stop21h 28m

Incheon Intl

Mi 9/30

7:35 pm-5:40 am

1 stop23h 05m

$1,016

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mi 9/2

5:01 pm-4:20 am

2 stops22h 19m

Incheon Intl

Mi 9/16

4:50 pm-7:49 am

1 stop27h 59m

$1,021

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

So 9/13

6:36 pm-3:00 pm

1 stop31h 24m

Incheon Intl

Do 9/24

4:50 pm-7:49 am

1 stop27h 59m

$1,024

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mi 8/5

10:00 am-4:20 am

2 stops29h 20m

Incheon Intl

Di 8/25

4:50 pm-12:23 pm

2 stops32h 33m

$1,034
Quickest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fr 9/4

6:36 pm-4:20 am

1 stop20h 44m

Incheon Intl

Mo 9/21

11:30 am-5:30 pm

1 stop19h 00m

$1,066

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

So 11/1

8:26 pm-4:15 pm

2 stops29h 49m

Incheon Intl

Sa 11/14

12:45 pm-9:20 pm

1 stop22h 35m

$1,071

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

So 9/6

6:08 pm-5:30 pm

1 stop34h 22m

Incheon Intl

So 10/4

7:35 pm-5:40 am

1 stop23h 05m

$1,074

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sa 8/1

6:23 pm-3:00 pm

1 stop31h 37m

Incheon Intl

Mi 9/30

4:50 pm-11:58 am

2 stops32h 08m

$1,080

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Di 8/25

5:00 am-5:55 pm

2 stops23h 55m

Seoul Gimpo Intl

Mi 9/2

7:15 pm-4:20 pm

2 stops34h 05m

$1,635

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fr 8/28

7:00 am-9:15 pm

2 stops25h 15m

Seoul Gimpo Intl

Fr 9/4

8:00 am-4:43 pm

2 stops21h 43m

$1,649

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 November is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $543.

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 $1,106 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 25% 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

20h 00m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 20h 00m
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 20h 00m.

  • 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 $778Free CancellationRating
7.1
11,107 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,410 reviews
Search Delta flights
United AirlinesPriceFrom $850Free CancellationRating
7.4
9,769 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
535 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