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

Flights via Montreal (YUL) offer the lowest average round-trip price of $899.

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

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 17h 20m.

What airlines fly to Seoul?

AIR PREMIA, Asiana Airlines 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 61% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 10 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

American 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?

Toronto (YYZ) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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

Montreal (YUL) has the shortest average layover time for this route: 1h 11m.

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 6 as of October 2026.

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.

$454 Cheap Flights from Philadelphia to Seoul in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

23h 50m2 stops Denver Intl San Francisco

11:30 am - 9:20 pmICN Incheon Intl-PHL Philadelphia

22h 50m1 stop San Francisco

$1,149United Airlines

Mon, Apr 5 - Thu, Apr 15

9:00 am - 5:40 amPHL Philadelphia-ICN Incheon Intl

30h 40m1 stop San Francisco

6:00 pm - 7:45 amICN Incheon Intl-PHL Philadelphia

27h 45m1 stop San Francisco

$1,149United Airlines

Thu, Jan 21 - Mon, Feb 22

7:00 am - 5:30 pmPHL Philadelphia-ICN Incheon Intl

21h 30m1 stop Seattle/Tacoma Intl

7:35 pm - 5:55 amICN Incheon Intl-PHL Philadelphia

23h 20m1 stop Seattle/Tacoma Intl

$1,149Alaska Airlines

Mon, Apr 19 - Fri, Apr 30

7:02 am - 5:35 pmPHL Philadelphia-ICN Incheon Intl

20h 33m1 stop Seattle/Tacoma Intl

8:00 pm - 5:40 amICN Incheon Intl-PHL Philadelphia

23h 40m1 stop Seattle/Tacoma Intl

$1,168Alaska Airlines

Sat, Nov 14 - Sat, Nov 21

9:15 am - 6:25 pmPHL Philadelphia-ICN Incheon Intl

19h 10m1 stop Toronto Pearson Intl

8:10 pm - 10:46 pmICN Incheon Intl-PHL Philadelphia

40h 36m1 stop Toronto Pearson Intl

$1,178Air Canada

Sun, Nov 1 - Mon, Nov 9

9:40 am - 5:25 pmPHL Philadelphia-ICN Incheon Intl

18h 45m1 stop Boston Logan Intl

9:30 am - 5:19 pmICN Incheon Intl-PHL Philadelphia

20h 49m1 stop Boston Logan Intl

$1,185Korean Air

Fri, Apr 9 - Fri, Apr 23

5:15 am - 6:20 pmPHL Philadelphia-ICN Incheon Intl

23h 05m1 stop Atlanta Hartsfield-Jackson

8:45 am - 4:14 pmICN Incheon Intl-PHL Philadelphia

21h 29m1 stop Atlanta Hartsfield-Jackson

$1,188Korean Air

Fri, Dec 4 - Fri, Dec 11

9:15 pm - 4:25 pmPHL Philadelphia-ICN Incheon Intl

29h 10m1 stop Dallas/Fort Worth

6:50 pm - 10:41 pmICN Incheon Intl-PHL Philadelphia

17h 51m1 stop Dallas/Fort Worth

$1,218American Airlines

Sun, Feb 21 - Fri, Feb 26

9:44 pm - 4:45 pmPHL Philadelphia-ICN Incheon Intl

29h 01m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

6:50 pm - 7:51 amICN Incheon Intl-PHL Philadelphia

27h 01m2 stops Dallas/Fort Worth Cincinnati Cinci./N. Kentucky

$1,223American Airlines

Sun, Dec 27 - Thu, Jan 21

3:20 pm - 5:10 pmPHL Philadelphia-ICN Incheon Intl

59h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:55 pm - 2:39 pmICN Incheon Intl-PHL Philadelphia

33h 44m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,260Air Canada

Sat, Nov 14 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

5:30 pm - 12:00 pmPHL Philadelphia-ICN Incheon Intl

29h 30m2 stops Los Angeles Manila Ninoy Aquino Intl

7:30 am - 7:06 amICN Incheon Intl-PHL Philadelphia

37h 36m2 stops Manila Ninoy Aquino Intl Los Angeles

$5,833Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

5:30 pm - 12:00 pmPHL Philadelphia-ICN Incheon Intl

29h 30m2 stops Los Angeles Manila Ninoy Aquino Intl

7:30 am - 7:06 amICN Incheon Intl-PHL Philadelphia

37h 36m2 stops Manila Ninoy Aquino Intl Los Angeles

$5,833Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

4:33 pm - 12:00 pmPHL Philadelphia-ICN Incheon Intl

30h 27m2 stops San Francisco Manila Ninoy Aquino Intl

7:30 am - 8:06 amICN Incheon Intl-PHL Philadelphia

38h 36m2 stops Manila Ninoy Aquino Intl Los Angeles

$5,833Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

5:05 pm - 5:25 pmPHL Philadelphia-ICN Incheon Intl

35h 20m1 stop Toronto Pearson Intl

6:55 pm - 2:39 pmICN Incheon Intl-PHL Philadelphia

33h 44m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$8,167Air Canada

Sun, Oct 25 - Mon, Nov 2

6:00 am - 3:00 pmPHL Philadelphia-ICN Incheon Intl

20h 00m1 stop San Francisco

12:45 pm - 11:39 pmICN Incheon Intl-PHL Philadelphia

24h 54m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Fri, Oct 23 - Tue, Nov 3

1:05 pm - 4:20 amPHL Philadelphia-ICN Incheon Intl

26h 15m2 stops Houston George Bush Intcntl San Francisco

12:45 pm - 7:31 pmICN Incheon Intl-PHL Philadelphia

20h 46m2 stops San Francisco Denver Intl

$8,996Asiana Airlines

Fri, Oct 23 - Tue, Nov 3

3:20 pm - 4:10 pmPHL Philadelphia-ICN Incheon Intl

35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 6:40 pmICN Incheon Intl-PHL Philadelphia

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

$9,077Air Canada

Tue, Oct 27 - Wed, Jul 21

3:20 pm - 4:10 pmPHL Philadelphia-ICN Incheon Intl

35h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

6:00 pm - 6:40 pmICN Incheon Intl-PHL Philadelphia

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

$9,077Air Canada

Tue, Oct 27 - Tue, Jul 20

6:21 pm - 4:40 amPHL Philadelphia-ICN Incheon Intl

21h 19m1 stop San Francisco

11:30 am - 9:20 pmICN Incheon Intl-PHL Philadelphia

22h 50m1 stop San Francisco

$9,618United Airlines

Mon, Oct 26 - Wed, Jul 21

6:21 pm - 4:40 amPHL Philadelphia-ICN Incheon Intl

21h 19m1 stop San Francisco

4:50 pm - 7:45 amICN Incheon Intl-PHL Philadelphia

27h 55m1 stop San Francisco

$9,618United Airlines

Mon, Oct 26 - Mon, Jul 19

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United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

United Airlines

Nov 1

PHL6:00 amPhiladelphia

20h 15m

1 stop

ICN4:15 pmIncheon Intl

Nov 14

ICN12:45 pmIncheon Intl

18h 30m

1 stop

PHL5:15 pmPhiladelphia

$1,149

United Airlines

Jan 12

PHL4:55 pmPhiladelphia

33h 30m

2 stops

ICN4:25 pmIncheon Intl

Jan 20

ICN12:45 pmIncheon Intl

18h 48m

1 stop

PHL5:33 pmPhiladelphia

$1,153

United Airlines

Jan 3

PHL1:01 pmPhiladelphia

26h 39m

2 stops

ICN5:40 amIncheon Intl

Jan 20

ICN12:45 pmIncheon Intl

18h 48m

1 stop

PHL5:33 pmPhiladelphia

$1,158

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

Delta

Apr 19

PHL12:09 pmPhiladelphia

26h 51m

1 stop

ICN4:00 amIncheon Intl

Apr 30

ICN7:20 pmIncheon Intl

23h 21m

1 stop

PHL5:41 amPhiladelphia

$1,218

Delta

Feb 13

PHL2:12 pmPhiladelphia

25h 33m

1 stop

ICN5:45 amIncheon Intl

Feb 24

ICN8:35 pmIncheon Intl

17h 05m

1 stop

PHL11:40 pmPhiladelphia

$1,219

Delta

Apr 19

PHL5:15 pmPhiladelphia

21h 45m

2 stops

ICN4:00 amIncheon Intl

Apr 29

ICN7:00 pmIncheon Intl

23h 41m

2 stops

PHL5:41 amPhiladelphia

$1,223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 4/5

3:30 pm-4:20 am

2 stops23h 50m

Incheon Intl

Thu 4/15

11:30 am-9:20 pm

1 stop22h 50m

$1,149

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Thu 1/21

9:00 am-5:40 am

1 stop30h 40m

Incheon Intl

Mon 2/22

6:00 pm-7:45 am

1 stop27h 45m

$1,149

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Mon 4/19

7:00 am-5:30 pm

1 stop21h 30m

Incheon Intl

Fri 4/30

7:35 pm-5:55 am

1 stop23h 20m

$1,149

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sat 11/14

7:02 am-5:35 pm

1 stop20h 33m

Incheon Intl

Sat 11/21

8:00 pm-5:40 am

1 stop23h 40m

$1,168

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 11/1

9:15 am-6:25 pm

1 stop19h 10m

Incheon Intl

Mon 11/9

8:10 pm-10:46 pm

1 stop40h 36m

$1,178

Quickest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 4/9

9:40 am-5:25 pm

1 stop18h 45m

Incheon Intl

Fri 4/23

9:30 am-5:19 pm

1 stop20h 49m

$1,185

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 12/4

5:15 am-6:20 pm

1 stop23h 05m

Incheon Intl

Fri 12/11

8:45 am-4:14 pm

1 stop21h 29m

$1,188

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 2/21

9:15 pm-4:25 pm

1 stop29h 10m

Incheon Intl

Fri 2/26

6:50 pm-10:41 pm

1 stop17h 51m

$1,218

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 12/27

9:44 pm-4:45 pm

2 stops29h 01m

Incheon Intl

Thu 1/21

6:50 pm-7:51 am

2 stops27h 01m

$1,223

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sat 11/14

3:20 pm-5:10 pm

2 stops59h 50m

Incheon Intl

Wed 11/18

6:55 pm-2:39 pm

2 stops33h 44m

$1,260

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

Prices are currently typical for flights on this route.

Typical prices usually range from $866 to $1,401.
The lowest price recently found on this route was $1,149.

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 $928.

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 $1,169 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 $952 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 21% 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

Best Price Found	$454
Fastest flight time	19h 15m
Direct flights	None

The best one-way flight to Seoul from Philadelphia in the past 72 hours is $454. The best round-trip flight deal from Philadelphia to Seoul found on momondo in the last 72 hours is $1,149.

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

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 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 6 as of October 2026.
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 Delta (49% of total bookings). The next most popular airlines are Air Canada (26%), United Airlines (15%), and American Airlines (10%).

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
American Airlines	PriceFrom $738	Free Cancellation	Rating 7.0 12,186 reviews	Search American Airlines flights
Air Canada	PriceFrom $808	Free Cancellation	Rating 7.1 11,794 reviews	Search Air Canada flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.3 10,404 reviews	Search United Airlines flights
Delta	PriceFrom $865	Free Cancellation	Rating 7.8 8,662 reviews	Search Delta flights
Asiana Airlines	PriceFrom $915	Free Cancellation	Rating 8.1 567 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,129	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights

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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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Cheap flights from Philadelphia to Seoul from $454

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 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Philadelphia to Seoul

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United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Seoul that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from Philadelphia to Seoul

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

What is the cheapest month to fly to Seoul?

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

Can stopping save me money on Philadelphia to Seoul flights?

How have Philadelphia to Seoul flight prices changed over time?

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

What airlines fly to Seoul?

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

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

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

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

When to book flights from Philadelphia to Seoul

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Philadelphia

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year