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 is the cheapest airline that flies from Philadelphia to Seoul?

American Airlines and WestJet are the most popular carriers operating from Philadelphia to Seoul

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.

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 58% 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.

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

Toronto (YYZ) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

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 July 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.

$465 Cheap Flights from Philadelphia to Seoul in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $1,160 to $1,508. The lowest price recently found on this route was $966.

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.

6:19 pm - 4:20 am

PHL

ICN

21h 01m

1 stop

11:30 am - 5:30 pm

ICN

PHL

19h 00m

1 stop

$966United Airlines

Mon, Aug 3 - Mon, Aug 31

5:01 pm - 4:20 am

PHL

ICN

22h 19m

2 stops

11:30 am - 9:43 pm

ICN

PHL

23h 13m

2 stops

$970United Airlines

Thu, Aug 13 - Mon, Aug 31

7:02 am - 5:30 pm

PHL

ICN

21h 28m

1 stop

7:35 pm - 5:40 am

ICN

PHL

23h 05m

1 stop

$972Alaska Airlines

Wed, Sep 2 - Sat, Sep 26

6:59 pm - 5:30 pm

PHL

ICN

33h 31m

1 stop

7:35 pm - 5:56 pm

ICN

PHL

35h 21m

1 stop

$975Alaska Airlines

Tue, Sep 15 - Fri, Sep 25

9:27 am - 3:00 pm

PHL

ICN

40h 33m

1 stop

4:50 pm - 10:11 am

ICN

PHL

30h 21m

2 stops

$977United Airlines

Sun, Oct 4 - Sun, Oct 18

7:02 am - 5:30 pm

PHL

ICN

21h 28m

1 stop

8:00 pm - 5:33 am

ICN

PHL

23h 33m

1 stop

$981Alaska Airlines

Wed, Sep 2 - Mon, Nov 2

7:00 am - 10:20 pm

PHL

GMP

26h 20m

2 stops

7:45 am - 10:56 pm

GMP

PHL

28h 11m

2 stops

$1,295Multiple Airlines

Tue, Oct 20 - Thu, Oct 29

3:30 pm - 2:10 pm

PHL

GMP

32h 40m

3 stops

8:35 am - 10:36 pm

GMP

PHL

28h 01m

2 stops

$1,303Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

7:00 am - 5:55 pm

PHL

GMP

21h 55m

2 stops

7:15 pm - 4:30 pm

GMP

PHL

58h 15m

2 stops

$1,510Japan Airlines

Fri, Aug 28 - Fri, Sep 4

5:43 am - 9:15 pm

PHL

GMP

26h 32m

2 stops

8:00 am - 6:42 pm

GMP

PHL

23h 42m

2 stops

$1,572Japan Airlines

Fri, Aug 21 - Wed, Aug 26

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Alaska Airlines flights from Philadelphia to Seoul

Our best Alaska Airlines deals on Philadelphia to Seoul flight tickets

Alaska Airlines

Sep 2

PHL7:02 amPhiladelphia

21h 28m

1 stop

ICN5:30 pmIncheon Intl

Sep 26

ICN7:35 pmIncheon Intl

23h 05m

1 stop

PHL5:40 amPhiladelphia

$972

Alaska Airlines

Sep 15

PHL6:59 pmPhiladelphia

33h 31m

1 stop

ICN5:30 pmIncheon Intl

Sep 25

ICN7:35 pmIncheon Intl

35h 21m

1 stop

PHL5:56 pmPhiladelphia

$975

Alaska Airlines

Sep 2

PHL7:02 amPhiladelphia

21h 28m

1 stop

ICN5:30 pmIncheon Intl

Sep 16

ICN7:35 pmIncheon Intl

23h 05m

1 stop

PHL5:40 amPhiladelphia

$981

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets

United Airlines

Aug 3

PHL6:19 pmPhiladelphia

21h 01m

1 stop

ICN4:20 amIncheon Intl

Aug 31

ICN11:30 amIncheon Intl

19h 00m

1 stop

PHL5:30 pmPhiladelphia

$966

United Airlines

Aug 13

PHL5:01 pmPhiladelphia

22h 19m

2 stops

ICN4:20 amIncheon Intl

Aug 31

ICN11:30 amIncheon Intl

23h 13m

2 stops

PHL9:43 pmPhiladelphia

$970

United Airlines

Oct 4

PHL9:27 amPhiladelphia

40h 33m

1 stop

ICN3:00 pmIncheon Intl

Oct 18

ICN4:50 pmIncheon Intl

30h 21m

2 stops

PHL10:11 amPhiladelphia

$977

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 8/3

6:19 pm-4:20 am

1 stop21h 01m

Incheon Intl

Mon 8/31

11:30 am-5:30 pm

1 stop19h 00m

$966

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 8/13

5:01 pm-4:20 am

2 stops22h 19m

Incheon Intl

Mon 8/31

11:30 am-9:43 pm

2 stops23h 13m

$970

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/2

7:02 am-5:30 pm

1 stop21h 28m

Incheon Intl

Sat 9/26

7:35 pm-5:40 am

1 stop23h 05m

$972

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/15

6:59 pm-5:30 pm

1 stop33h 31m

Incheon Intl

Fri 9/25

7:35 pm-5:56 pm

1 stop35h 21m

$975

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Sun 10/4

9:27 am-3:00 pm

1 stop40h 33m

Incheon Intl

Sun 10/18

4:50 pm-10:11 am

2 stops30h 21m

$977

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/2

7:02 am-5:30 pm

1 stop21h 28m

Incheon Intl

Mon 11/2

8:00 pm-5:33 am

1 stop23h 33m

$981

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 10/20

7:00 am-10:20 pm

2 stops26h 20m

Seoul Gimpo Intl

Thu 10/29

7:45 am-10:56 pm

2 stops28h 11m

$1,295

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Sun 11/1

3:30 pm-2:10 pm

3 stops32h 40m

Seoul Gimpo Intl

Sun 11/15

8:35 am-10:36 pm

2 stops28h 01m

$1,303

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 8/28

7:00 am-5:55 pm

2 stops21h 55m

Seoul Gimpo Intl

Fri 9/4

7:15 pm-4:30 pm

2 stops58h 15m

$1,510

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Fri 8/21

5:43 am-9:15 pm

2 stops26h 32m

Seoul Gimpo Intl

Wed 8/26

8:00 am-6:42 pm

2 stops23h 42m

$1,572

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?

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 $1,141 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.

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	17h 45m
Direct flights	None

The fastest flight from Philadelphia to Seoul takes 17h 45m

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

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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 17h 45m.
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 July 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 (51% of total bookings). The next most popular airlines are Air Canada (22%), United Airlines (14%), 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
Air Canada	PriceFrom $780	Free Cancellation	Rating 7.1 11,282 reviews	Search Air Canada flights
American Airlines	PriceFrom $845	Free Cancellation	Rating 7.1 11,765 reviews	Search American Airlines flights
Delta	PriceFrom $845	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $850	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $915	Free Cancellation	Rating 8.1 550 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $1,129	Free Cancellation	Rating 8.4 1,220 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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Cheap flights from Philadelphia to Seoul from $465

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 8/22. 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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Alaska Airlines flights from Philadelphia to Seoul

Our best Alaska Airlines 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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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?

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

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Seoul

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

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

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

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