Which layover airport has the shortest travel time from Philadelphia to Seoul?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 17h 54m.

Which layover airport offers the lowest fares from Philadelphia to Seoul?

Flights via Montreal (YUL) offer the lowest average round-trip price of $857.

Which layover airport has the shortest connection time from Philadelphia to Seoul?

Montreal (YUL) has the shortest average layover time for this route: 1h 49m.

What is the cheapest airline that flies from Philadelphia to Seoul?

United Airlines, Hawaiian Airlines, and Japan Airlines are the most popular carriers operating from Philadelphia to Seoul

Which airport is the most popular layover for flights between Philadelphia and Seoul?

Minneapolis (MSP) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Seoul?

AIR PREMIA, Air Canada and Korean Air are the top three most popular airlines that fly to Seoul from Philadelphia according to our data. AIR PREMIA is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 14 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Philadelphia Airport to Seoul is 5 as of December 2025.

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.

$423 Cheap Flights from Philadelphia to Seoul in 2025/26

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Find the cheapest flights from Philadelphia to Seoul

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One-way

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7:50 am - 6:25 pm

PHL

ICN

20h 35m1 stop

8:10 pm - 10:46 pm

ICN

PHL

16h 36m1 stop

$477Air Canada

Sat, Jan 24 - Sat, Jan 31

4:25 pm - 5:30 pm

PHL

ICN

36h 05m1 stop

5:45 pm - 2:48 pm

ICN

PHL

34h 03m2 stops

$801Air Canada

Sun, Apr 19 - Tue, May 19

3:30 pm - 5:10 pm

PHL

ICN

35h 40m2 stops

6:55 pm - 2:47 pm

ICN

PHL

33h 52m2 stops

$808Air Canada

Sun, Jan 18 - Mon, Mar 2

3:30 pm - 5:10 pm

PHL

ICN

35h 40m2 stops

8:10 pm - 10:46 pm

ICN

PHL

16h 36m1 stop

$811Air Canada

Sun, Jan 18 - Mon, Mar 2

4:35 pm - 6:25 pm

PHL

ICN

35h 50m1 stop

8:10 pm - 10:46 pm

ICN

PHL

16h 36m1 stop

$814Air Canada

Sun, Jan 18 - Mon, Mar 2

7:50 am - 6:25 pm

PHL

ICN

20h 35m1 stop

7:05 pm - 2:48 pm

ICN

PHL

32h 43m2 stops

$817Air Canada

Wed, Feb 25 - Tue, Jun 9

9:15 am - 5:30 pm

PHL

ICN

19h 15m1 stop

9:00 am - 10:53 pm

ICN

PHL

26h 53m2 stops

$826Multiple Airlines

Thu, Apr 16 - Mon, Apr 27

8:50 am - 10:55 am

PHL

GMP

36h 05m2 stops

12:05 pm - 7:46 am

GMP

PHL

33h 41m2 stops

$892Japan Airlines

Tue, Jan 20 - Thu, Jan 29

8:50 am - 10:55 am

PHL

GMP

36h 05m2 stops

12:05 pm - 7:46 am

GMP

PHL

33h 41m2 stops

$893Japan Airlines

Mon, Jan 12 - Fri, Jan 23

6:15 am - 10:05 pm

PHL

GMP

25h 50m2 stops

7:40 pm - 2:44 pm

GMP

PHL

33h 04m2 stops

$899Japan Airlines

Mon, Feb 9 - Mon, Feb 16

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

Delta

Jan 18

PHL5:59 pmPhiladelphia

21h 46m

1 stop

ICN5:45 amIncheon Intl

Mar 4

ICN7:30 pmIncheon Intl

18h 14m

1 stop

PHL11:44 pmPhiladelphia

$846

Find similar

Delta

Jan 12

PHL5:17 pmPhiladelphia

33h 33m

1 stop

ICN4:50 pmIncheon Intl

Feb 26

ICN9:35 amIncheon Intl

16h 08m

1 stop

PHL11:43 amPhiladelphia

$851

Find similar

Delta

Jan 12

PHL5:17 pmPhiladelphia

33h 33m

1 stop

ICN4:50 pmIncheon Intl

Jan 19

ICN8:05 pmIncheon Intl

26h 45m

2 stops

PHL8:50 amPhiladelphia

$856

Find similar

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

United Airlines

Jan 18

PHL3:43 pmPhiladelphia

23h 57m

2 stops

ICN5:40 amIncheon Intl

Mar 5

ICN12:45 pmIncheon Intl

24h 45m

2 stops

PHL11:30 pmPhiladelphia

$850

Find similar

United Airlines

Jan 9

PHL7:45 pmPhiladelphia

30h 30m

2 stops

ICN4:15 pmIncheon Intl

Jan 19

ICN6:00 pmIncheon Intl

32h 07m

2 stops

PHL12:07 pmPhiladelphia

$863

Find similar

United Airlines

Mar 3

PHL8:35 amPhiladelphia

31h 05m

1 stop

ICN5:40 amIncheon Intl

Mar 19

ICN5:00 pmIncheon Intl

27h 15m

1 stop

PHL7:15 amPhiladelphia

$866

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sat 1/24

7:50 am-6:25 pm

1 stop20h 35m

Incheon Intl

Sat 1/31

8:10 pm-10:46 pm

1 stop16h 36m

$477

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 4/19

4:25 pm-5:30 pm

1 stop36h 05m

Incheon Intl

Tue 5/19

5:45 pm-2:48 pm

2 stops34h 03m

$801

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 1/18

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

Mon 3/2

6:55 pm-2:47 pm

2 stops33h 52m

$808

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 1/18

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

Mon 3/2

8:10 pm-10:46 pm

1 stop16h 36m

$811

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 1/18

4:35 pm-6:25 pm

1 stop35h 50m

Incheon Intl

Mon 3/2

8:10 pm-10:46 pm

1 stop16h 36m

$814

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 2/25

7:50 am-6:25 pm

1 stop20h 35m

Incheon Intl

Tue 6/9

7:05 pm-2:48 pm

2 stops32h 43m

$817

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 4/16

9:15 am-5:30 pm

1 stop19h 15m

Incheon Intl

Mon 4/27

9:00 am-10:53 pm

2 stops26h 53m

$826

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 1/20

8:50 am-10:55 am

2 stops36h 05m

Seoul Gimpo Intl

Thu 1/29

12:05 pm-7:46 am

2 stops33h 41m

$892

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 1/12

8:50 am-10:55 am

2 stops36h 05m

Seoul Gimpo Intl

Fri 1/23

12:05 pm-7:46 am

2 stops33h 41m

$893

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 2/9

6:15 am-10:05 pm

2 stops25h 50m

Seoul Gimpo Intl

Mon 2/16

7:40 pm-2:44 pm

2 stops33h 04m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $915.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Friday is the cheapest day to fly to Seoul from Philadelphia. The lowest ticket price found for a Friday departure recently was $1,137. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,368.

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

Flying to Seoul 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. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,412 per ticket.

How far in advance should I book a flight 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 $1,084 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 $949 on momondo.

How have Philadelphia to Seoul flight prices changed over time?

As of December 2025, prices for Philadelphia to Seoul flights are approximately 28% cheaper when compared to flights at the same time last year.

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 15m
Direct flights	None

The fastest flight from Philadelphia to Seoul takes 19h 15m

There are no direct flights from Philadelphia to Seoul. There are no popular flight routes from Philadelphia to Seoul.

Search flight deals

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 15m.
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?
The number of operators available for flights from Philadelphia Airport to Seoul is 5 as of December 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Seoul is Air Canada (45% of total bookings). The next most popular airlines are Delta (31%), United Airlines (10%), and American Airlines (9%).

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
United Airlines	PriceFrom $533	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Air Canada	PriceFrom $795	Free Cancellation	Rating 7.1 10,516 reviews	Search Air Canada flights
Delta	PriceFrom $847	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $871	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Korean Air	PriceFrom $1,060	Free Cancellation	Rating 8.4 1,184 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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Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

Incheon Intl Airport

Cheap flights from Philadelphia to Seoul from $423

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 1/10. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Philadelphia to Seoul

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Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

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See travel insights to Seoul from

How to get the cheapest flight ticket from Philadelphia to Seoul

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $915.

What is the cheapest day to depart on your flight to Seoul?

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

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

How have Philadelphia to Seoul flight prices changed over time?

As of December 2025, prices for Philadelphia to Seoul flights are approximately 28% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Philadelphia to Seoul?

United Airlines, Hawaiian Airlines, and Japan Airlines are the most popular carriers operating from Philadelphia to Seoul

What airlines fly to Seoul?

Which airport is the most popular layover for flights between Philadelphia and Seoul?

Minneapolis (MSP) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Philadelphia to Seoul?

Flights via Montreal (YUL) offer the lowest average round-trip price of $857.

Which layover airport has the shortest travel time from Philadelphia to Seoul?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 17h 54m.

Which layover airport has the shortest connection time from Philadelphia to Seoul?

Montreal (YUL) has the shortest average layover time for this route: 1h 49m.

When to book flights from Philadelphia to Seoul

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

Direct flights

How far is Philadelphia to Seoul by plane?

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

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?

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

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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