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?

Japan Airlines is the most popular carrier operating from Philadelphia to Seoul

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 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 travel time from Philadelphia to Seoul?

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

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.

$447 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.

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

19h 10m1 stop Toronto Pearson Intl

6:55 pm - 2:44 pmICN Incheon Intl-PHL Philadelphia

33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,038Air Canada

Thu, Jan 21 - Mon, Feb 22

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

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

6:55 pm - 4:21 pmICN Incheon Intl-PHL Philadelphia

35h 26m2 stops Vancouver Intl Toronto Pearson Intl

$1,038Air Canada

Sun, Jan 17 - Thu, Jan 28

9:15 am - 4:10 amPHL Philadelphia-ICN Incheon Intl

28h 55m2 stops Toronto Pearson Intl Tokyo Haneda

6:55 pm - 2:44 pmICN Incheon Intl-PHL Philadelphia

33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,058Multiple Airlines

Thu, Jan 21 - Mon, Feb 22

9:15 am - 4:10 amPHL Philadelphia-ICN Incheon Intl

28h 55m2 stops Toronto Pearson Intl Tokyo Haneda

6:55 pm - 2:44 pmICN Incheon Intl-PHL Philadelphia

33h 49m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,073Multiple Airlines

Thu, Jan 21 - Mon, Feb 22

7:00 am - 5:45 pmPHL Philadelphia-ICN Incheon Intl

20h 45m1 stop Seattle/Tacoma Intl

9:35 am - 7:19 pmICN Incheon Intl-PHL Philadelphia

23h 44m1 stop Detroit Metropolitan Wayne County

$1,118Delta

Sun, Nov 15 - Sun, Nov 22

5:15 am - 3:30 pmPHL Philadelphia-ICN Incheon Intl

20h 15m1 stop Atlanta Hartsfield-Jackson

9:35 am - 7:52 pmICN Incheon Intl-PHL Philadelphia

24h 17m1 stop Detroit Metropolitan Wayne County

$1,118Delta

Fri, Dec 4 - Sun, Dec 20

5:00 am - 4:25 pmPHL Philadelphia-ICN Incheon Intl

21h 25m1 stop Dallas/Fort Worth

6:50 pm - 10:37 pmICN Incheon Intl-PHL Philadelphia

17h 47m1 stop Dallas/Fort Worth

$1,118American Airlines

Sun, Jan 17 - Wed, Jan 27

7:06 am - 4:45 pmPHL Philadelphia-ICN Incheon Intl

20h 39m1 stop Dallas/Fort Worth

6:50 pm - 12:17 amICN Incheon Intl-PHL Philadelphia

19h 27m1 stop Dallas/Fort Worth

$1,218American Airlines

Fri, Oct 30 - Mon, Nov 9

6:46 pm - 4:25 pmPHL Philadelphia-ICN Incheon Intl

31h 39m2 stops Chicago O'Hare Intl Newark

12:45 pm - 5:38 pmICN Incheon Intl-PHL Philadelphia

18h 53m1 stop San Francisco

$1,342United Airlines

Fri, Nov 20 - Wed, Dec 2

3:05 pm - 5:40 amPHL Philadelphia-ICN Incheon Intl

24h 35m2 stops Washington, D.C. Dulles Intl San Francisco

12:45 pm - 10:56 pmICN Incheon Intl-PHL Philadelphia

24h 11m2 stops San Francisco Houston George Bush Intcntl

$1,342United Airlines

Sun, Nov 22 - Thu, Dec 3

Cheap last minute flights

Enter your travel dates to find the best prices.

9:35 am - 4:25 pmPHL Philadelphia-ICN Incheon Intl

17h 50m1 stop Detroit Metropolitan Wayne County

7:00 pm - 5:44 amICN Incheon Intl-PHL Philadelphia

23h 44m1 stop Seattle/Tacoma Intl

$1,218Delta

Sun, Oct 4 - Sun, Oct 18

7:20 am - 3:20 pmPHL Philadelphia-ICN Incheon Intl

19h 00m1 stop Salt Lake City

6:40 pm - 5:55 amICN Incheon Intl-PHL Philadelphia

25h 15m1 stop Salt Lake City

$1,218Delta

Tue, Oct 6 - Mon, Nov 30

6:41 pm - 11:00 amPHL Philadelphia-ICN Incheon Intl

27h 19m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

6:55 pm - 4:21 pmICN Incheon Intl-PHL Philadelphia

35h 26m2 stops Vancouver Intl Toronto Pearson Intl

$1,471Multiple Airlines

Tue, Oct 6 - Mon, Nov 30

6:41 pm - 11:00 amPHL Philadelphia-ICN Incheon Intl

27h 19m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

7:45 pm - 9:15 pmICN Incheon Intl-PHL Philadelphia

38h 30m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,473Multiple Airlines

Tue, Oct 6 - Thu, Oct 8

5:20 am - 2:10 pmPHL Philadelphia-ICN Incheon Intl

19h 50m1 stop Atlanta Hartsfield-Jackson

7:25 pm - 12:56 amICN Incheon Intl-PHL Philadelphia

18h 31m1 stop Atlanta Hartsfield-Jackson

$1,554Korean Air

Wed, Oct 7 - Sat, Oct 31

8:32 pm - 3:45 pmPHL Philadelphia-ICN Incheon Intl

30h 13m1 stop Dallas/Fort Worth

5:50 pm - 12:25 amICN Incheon Intl-PHL Philadelphia

19h 35m1 stop Dallas/Fort Worth

$1,712American Airlines

Tue, Oct 6 - Thu, Oct 8

7:30 pm - 3:20 pmPHL Philadelphia-ICN Incheon Intl

30h 50m2 stops Washington, D.C. Dulles Intl Newark

4:50 pm - 7:49 amICN Incheon Intl-PHL Philadelphia

27h 59m1 stop San Francisco

$3,080Asiana Airlines

Sun, Oct 4 - Sun, Oct 18

5:08 pm - 3:20 pmPHL Philadelphia-ICN Incheon Intl

33h 12m2 stops Chicago O'Hare Intl Newark

4:50 pm - 10:09 amICN Incheon Intl-PHL Philadelphia

30h 19m2 stops San Francisco Chicago O'Hare Intl

$3,080Asiana Airlines

Sun, Oct 4 - Sun, Oct 18

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

21h 30m1 stop Toronto Pearson Intl

8:10 pm - 4:21 pmICN Incheon Intl-PHL Philadelphia

34h 11m1 stop Toronto Pearson Intl

$7,869Air Canada

Tue, Oct 6 - Mon, Nov 30

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

21h 30m1 stop Toronto Pearson Intl

6:55 pm - 4:21 pmICN Incheon Intl-PHL Philadelphia

35h 26m2 stops Vancouver Intl Toronto Pearson Intl

$8,014Air Canada

Tue, Oct 6 - Mon, Nov 30

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Cathay Pacific flights from Philadelphia to Seoul

Our best Cathay Pacific deals on Philadelphia to Seoul flight tickets

Cathay Pacific

Mar 17

PHL10:30 amPhiladelphia

37h 15m

2 stops

ICN12:45 pmIncheon Intl

Mar 21

ICN7:35 pmIncheon Intl

47h 20m

2 stops

PHL5:55 amPhiladelphia

$1,341

Cathay Pacific

Mar 14

PHL5:56 pmPhiladelphia

53h 49m

2 stops

ICN12:45 pmIncheon Intl

Mar 24

ICN7:35 pmIncheon Intl

47h 20m

2 stops

PHL5:55 amPhiladelphia

$1,352

Cathay Pacific

Oct 7

PHL7:02 amPhiladelphia

28h 23m

2 stops

ICN12:25 amIncheon Intl

Oct 31

ICN1:50 pmIncheon Intl

47h 05m

2 stops

PHL11:55 pmPhiladelphia

$1,551

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets

Delta

Oct 14

PHL6:10 amPhiladelphia

21h 15m

1 stop

ICN4:25 pmIncheon Intl

Oct 28

ICN7:25 pmIncheon Intl

18h 31m

1 stop

PHL12:56 amPhiladelphia

$1,118

Delta

Oct 14

PHL6:10 amPhiladelphia

21h 40m

2 stops

ICN4:50 pmIncheon Intl

Oct 28

ICN8:35 pmIncheon Intl

16h 15m

1 stop

PHL11:50 pmPhiladelphia

$1,122

Delta

Jan 21

PHL6:15 amPhiladelphia

21h 30m

2 stops

ICN5:45 pmIncheon Intl

Feb 22

ICN6:45 pmIncheon Intl

18h 55m

2 stops

PHL11:40 pmPhiladelphia

$1,123

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Thu 1/21

9:15 am-6:25 pm

1 stop19h 10m

Incheon Intl

Mon 2/22

6:55 pm-2:44 pm

2 stops33h 49m

$1,038

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 1/17

3:20 pm-5:10 pm

2 stops35h 50m

Incheon Intl

Thu 1/28

6:55 pm-4:21 pm

2 stops35h 26m

$1,038

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Thu 1/21

9:15 am-4:10 am

2 stops28h 55m

Incheon Intl

Mon 2/22

6:55 pm-2:44 pm

2 stops33h 49m

$1,058

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Thu 1/21

9:15 am-4:10 am

2 stops28h 55m

Incheon Intl

Mon 2/22

6:55 pm-2:44 pm

2 stops33h 49m

$1,073

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 11/15

7:00 am-5:45 pm

1 stop20h 45m

Incheon Intl

Sun 11/22

9:35 am-7:19 pm

1 stop23h 44m

$1,118

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 12/4

5:15 am-3:30 pm

1 stop20h 15m

Incheon Intl

Sun 12/20

9:35 am-7:52 pm

1 stop24h 17m

$1,118

Quickest round-trip

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 1/17

5:00 am-4:25 pm

1 stop21h 25m

Incheon Intl

Wed 1/27

6:50 pm-10:37 pm

1 stop17h 47m

$1,118

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 10/30

7:06 am-4:45 pm

1 stop20h 39m

Incheon Intl

Mon 11/9

6:50 pm-12:17 am

1 stop19h 27m

$1,218

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Fri 11/20

6:46 pm-4:25 pm

2 stops31h 39m

Incheon Intl

Wed 12/2

12:45 pm-5:38 pm

1 stop18h 53m

$1,342

PhiladelphiaIncheon

PHL Philadelphia - ICN Incheon Intl

PHLICN

Philadelphia

Sun 11/22

3:05 pm-5:40 am

2 stops24h 35m

Incheon Intl

Thu 12/3

12:45 pm-10:56 pm

2 stops24h 11m

$1,342

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 $867 to $1,196.
The lowest price recently found on this route was $1,085.

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 $879.

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 $1,170 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 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

Best Price Found	$447
Fastest flight time	19h 00m
Direct flights	None

The best one-way flight to Seoul from Philadelphia in the past 72 hours is $447. The best round-trip flight deal from Philadelphia to Seoul found on momondo in the last 72 hours is $1,038.

The fastest flight from Philadelphia to Seoul takes 19h 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 19h 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?
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 (52% of total bookings). The next most popular airlines are Air Canada (24%), United Airlines (14%), 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
American Airlines	PriceFrom $738	Free Cancellation	Rating 7.0 12,131 reviews	Search American Airlines flights
Air Canada	PriceFrom $791	Free Cancellation	Rating 7.1 11,717 reviews	Search Air Canada flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.4 10,283 reviews	Search United Airlines flights
Delta	PriceFrom $865	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
Asiana Airlines	PriceFrom $915	Free Cancellation	Rating 8.1 563 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,129	Free Cancellation	Rating 8.4 1,218 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.

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.

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Fly into one of these airports located in Seoul

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Cheap flights from Philadelphia to Seoul from $447

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 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

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Cheap last minute flights

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Filter for what you want

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Cathay Pacific flights from Philadelphia to Seoul

Our best Cathay Pacific 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

Complete your trip to Seoul

Explore popular destinations other users love

According to popular flight searches on momondo this year