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Cheap flights from Philadelphia to Seoul from $538

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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Air Canada Logo
3:25 pm - 4:25 pm
PHL
-
ICN
36h 00m
1 stop
Air Canada Logo
6:00 pm - 10:46 pm
ICN
-
PHL
41h 46m
2 stops
$995Air Canada
Wed, Sep 9 - Wed, Sep 23
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
6:00 pm - 2:47 pm
ICN
-
PHL
33h 47m
1 stop
$1,019Air Canada
Sun, Sep 6 - Sun, Oct 4
United Airlines Logo
9:25 am - 4:20 am
PHL
-
ICN
29h 55m
1 stop
United Airlines Logo
11:30 am - 5:30 pm
ICN
-
PHL
19h 00m
1 stop
$1,022United Airlines
Wed, Jul 22 - Mon, Sep 7
United Airlines Logo
6:00 am - 3:00 pm
PHL
-
ICN
20h 00m
1 stop
United Airlines Logo
4:50 pm - 7:49 am
ICN
-
PHL
27h 59m
1 stop
$1,023United Airlines
Fri, Aug 21 - Wed, Aug 26
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
5:45 pm - 9:45 am
ICN
-
PHL
29h 00m
2 stops
$1,024Air Canada
Sun, Sep 6 - Sun, Oct 4
United Airlines Logo
1:31 pm - 4:20 am
PHL
-
ICN
25h 49m
2 stops
United Airlines Logo
4:50 pm - 9:43 am
ICN
-
PHL
29h 53m
2 stops
$1,027United Airlines
Fri, Aug 21 - Wed, Aug 26
United Airlines Logo
9:27 am - 3:00 pm
PHL
-
ICN
40h 33m
1 stop
United Airlines Logo
4:50 pm - 7:45 am
ICN
-
PHL
27h 55m
1 stop
$1,031United Airlines
Sun, Oct 4 - Tue, Oct 27
Japan Airlines Logo
7:00 am - 5:55 pm
PHL
-
GMP
21h 55m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,456Japan Airlines
Wed, Sep 9 - Wed, Sep 23
Japan Airlines Logo
7:00 am - 5:55 pm
PHL
-
GMP
21h 55m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,457Japan Airlines
Wed, Sep 9 - Wed, Sep 23
Japan Airlines Logo
7:00 am - 5:55 pm
PHL
-
GMP
21h 55m
2 stops
Japan Airlines Logo
8:00 am - 6:30 pm
GMP
-
PHL
23h 30m
2 stops
$1,465Japan Airlines
Wed, Sep 9 - Wed, Sep 23

Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Aug 30
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Sep 16
ICN5:45 pmIncheon Intl
34h 02m
2 stops
PHL2:47 pmPhiladelphia
$987
Air Canada
Sep 9
PHL3:25 pmPhiladelphia
36h 00m
1 stop
ICN4:25 pmIncheon Intl
Sep 23
ICN6:00 pmIncheon Intl
41h 46m
2 stops
PHL10:46 pmPhiladelphia
$995
Air Canada
Sep 6
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Oct 4
ICN6:00 pmIncheon Intl
33h 47m
1 stop
PHL2:47 pmPhiladelphia
$1,019

Asiana Airlines flights from Philadelphia to Seoul

Our best Asiana Airlines deals on Philadelphia to Seoul flight tickets
Asiana Airlines
Aug 27
PHL10:05 amPhiladelphia
17h 20m
1 stop
ICN4:25 pmIncheon Intl
Sep 14
ICN7:05 pmIncheon Intl
16h 41m
1 stop
PHL10:46 pmPhiladelphia
$1,086
Asiana Airlines
Aug 26
PHL10:50 amPhiladelphia
17h 40m
1 stop
ICN5:30 pmIncheon Intl
Sep 14
ICN7:05 pmIncheon Intl
16h 41m
1 stop
PHL10:46 pmPhiladelphia
$1,088
Asiana Airlines
Aug 26
PHL10:50 amPhiladelphia
17h 40m
1 stop
ICN5:30 pmIncheon Intl
Sep 16
ICN7:05 pmIncheon Intl
27h 40m
1 stop
PHL9:45 amPhiladelphia
$1,103

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 April 25, 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

Wed 9/9

3:25 pm-4:25 pm

1 stop36h 00m

Incheon Intl

Wed 9/23

6:00 pm-10:46 pm

2 stops41h 46m

$995

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 9/6

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Sun 10/4

6:00 pm-2:47 pm

1 stop33h 47m

$1,019

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 7/22

9:25 am-4:20 am

1 stop29h 55m

Incheon Intl

Mon 9/7

11:30 am-5:30 pm

1 stop19h 00m

$1,022

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 8/21

6:00 am-3:00 pm

1 stop20h 00m

Incheon Intl

Wed 8/26

4:50 pm-7:49 am

1 stop27h 59m

$1,023

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 9/6

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Sun 10/4

5:45 pm-9:45 am

2 stops29h 00m

$1,024

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 8/21

1:31 pm-4:20 am

2 stops25h 49m

Incheon Intl

Wed 8/26

4:50 pm-9:43 am

2 stops29h 53m

$1,027

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 10/4

9:27 am-3:00 pm

1 stop40h 33m

Incheon Intl

Tue 10/27

4:50 pm-7:45 am

1 stop27h 55m

$1,031
Quickest round-trip

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,456

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,457

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/9

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Wed 9/23

8:00 am-6:30 pm

2 stops23h 30m

$1,465

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 April is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $916.

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 $1,096 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 $928 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 22% 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 21m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 19h 21m
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 21m.

  • 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
10,965 reviews
Search Air Canada flights
United AirlinesPriceFrom $729Free CancellationRating
7.4
9,649 reviews
Search United Airlines flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,456 reviews
Search Delta flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
521 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,212 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