Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Seoul from $368

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 6/3. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:25 am - 6:35 pm
PHL
-
ICN
22h 10m
1 stop
Multiple Airlines Logo
5:45 pm - 3:44 pm
ICN
-
PHL
58h 59m
2 stops
$745Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
7:25 am - 6:35 pm
PHL
-
ICN
22h 10m
1 stop
Multiple Airlines Logo
7:05 pm - 3:44 pm
ICN
-
PHL
33h 39m
1 stop
$759Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
6:47 pm - 6:35 pm
PHL
-
ICN
34h 48m
1 stop
Multiple Airlines Logo
5:45 pm - 2:46 pm
ICN
-
PHL
58h 01m
2 stops
$788Multiple Airlines
Fri, Apr 3 - Sun, Apr 19
Air Canada Logo
3:30 pm - 4:00 pm
PHL
-
ICN
34h 30m
2 stops
Air Canada Logo
6:55 pm - 2:47 pm
ICN
-
PHL
33h 52m
2 stops
$798Air Canada
Mon, Feb 9 - Mon, Feb 16
Air Canada Logo
3:30 pm - 5:10 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
5:55 pm - 3:49 pm
ICN
-
PHL
34h 54m
2 stops
$802Air Canada
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
3:30 pm - 5:10 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
5:55 pm - 3:49 pm
ICN
-
PHL
34h 54m
2 stops
$803Air Canada
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
4:05 pm - 4:00 pm
PHL
-
ICN
33h 55m
2 stops
Air Canada Logo
5:55 pm - 3:49 pm
ICN
-
PHL
34h 54m
2 stops
$807Air Canada
Wed, Feb 25 - Tue, Mar 10
Japan Airlines Logo
6:15 am - 10:05 pm
PHL
-
GMP
25h 50m
2 stops
Japan Airlines Logo
12:05 pm - 2:37 pm
GMP
-
PHL
40h 32m
2 stops
$944Japan Airlines
Mon, Feb 9 - Mon, Feb 16
Japan Airlines Logo
7:00 am - 10:05 pm
PHL
-
GMP
26h 05m
2 stops
Japan Airlines Logo
7:40 pm - 2:07 pm
GMP
-
PHL
31h 27m
2 stops
$1,178Japan Airlines
Mon, Mar 9 - Mon, Mar 16
Japan Airlines Logo
9:00 am - 10:55 am
PHL
-
GMP
35h 55m
2 stops
Japan Airlines Logo
12:05 pm - 7:30 am
GMP
-
PHL
33h 25m
2 stops
$1,192Japan Airlines
Wed, Feb 18 - Thu, Feb 26

United Airlines flights from Philadelphia to Seoul

Our best United Airlines deals on Philadelphia to Seoul flight tickets
United Airlines
Feb 26
PHL6:20 pmPhiladelphia
21h 20m
1 stop
ICN5:40 amIncheon Intl
Mar 1
ICN6:00 pmIncheon Intl
27h 15m
1 stop
PHL7:15 amPhiladelphia
$846
United Airlines
Feb 1
PHL8:35 amPhiladelphia
31h 05m
1 stop
ICN5:40 amIncheon Intl
Feb 19
ICN12:45 pmIncheon Intl
22h 48m
1 stop
PHL9:33 pmPhiladelphia
$847
United Airlines
Feb 23
PHL5:55 pmPhiladelphia
32h 20m
2 stops
ICN4:15 pmIncheon Intl
Mar 11
ICN5:00 pmIncheon Intl
20h 16m
2 stops
PHL12:16 amPhiladelphia
$851

Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Feb 9
PHL3:30 pmPhiladelphia
34h 30m
2 stops
ICN4:00 pmIncheon Intl
Feb 16
ICN6:55 pmIncheon Intl
33h 52m
2 stops
PHL2:47 pmPhiladelphia
$798
Air Canada
Mar 3
PHL3:30 pmPhiladelphia
35h 40m
2 stops
ICN5:10 pmIncheon Intl
Mar 11
ICN5:55 pmIncheon Intl
34h 54m
2 stops
PHL3:49 pmPhiladelphia
$802
Air Canada
Mar 3
PHL3:30 pmPhiladelphia
35h 40m
2 stops
ICN5:10 pmIncheon Intl
Mar 11
ICN5:55 pmIncheon Intl
34h 54m
2 stops
PHL3:49 pmPhiladelphia
$803

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 January 24, 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

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 4/9

7:25 am-6:35 pm

1 stop22h 10m

Incheon Intl

Thu 4/16

5:45 pm-3:44 pm

2 stops58h 59m

$745

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 4/9

7:25 am-6:35 pm

1 stop22h 10m

Incheon Intl

Thu 4/16

7:05 pm-3:44 pm

1 stop33h 39m

$759

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Fri 4/3

6:47 pm-6:35 pm

1 stop34h 48m

Incheon Intl

Sun 4/19

5:45 pm-2:46 pm

2 stops58h 01m

$788

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

3:30 pm-4:00 pm

2 stops34h 30m

Incheon Intl

Mon 2/16

6:55 pm-2:47 pm

2 stops33h 52m

$798

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 3/3

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

Wed 3/11

5:55 pm-3:49 pm

2 stops34h 54m

$802

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 3/3

3:30 pm-5:10 pm

2 stops35h 40m

Incheon Intl

Wed 3/11

5:55 pm-3:49 pm

2 stops34h 54m

$803

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 2/25

4:05 pm-4:00 pm

2 stops33h 55m

Incheon Intl

Tue 3/10

5:55 pm-3:49 pm

2 stops34h 54m

$807

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 2/9

6:15 am-10:05 pm

2 stops25h 50m

Seoul Gimpo Intl

Mon 2/16

12:05 pm-2:37 pm

2 stops40h 32m

$944

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 3/9

7:00 am-10:05 pm

2 stops26h 05m

Seoul Gimpo Intl

Mon 3/16

7:40 pm-2:07 pm

2 stops31h 27m

$1,178

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 2/18

9:00 am-10:55 am

2 stops35h 55m

Seoul Gimpo Intl

Thu 2/26

12:05 pm-7:30 am

2 stops33h 25m

$1,192

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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.

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 $1,078 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 $905 on momondo.

Can stopping save me money on Philadelphia to Seoul flights?

You could potentially save up to 1% on your flight if you consider stops on a Philadelphia to Seoul flight.

How have Philadelphia to Seoul flight prices changed over time?

As of January 2026, prices for Philadelphia to Seoul flights are approximately 17% 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

21h 20m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 21h 20m
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 21h 20m.

  • 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
United AirlinesPriceFrom $504Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
Air CanadaPriceFrom $780Free CancellationRating
7.1
10,652 reviews
Search Air Canada flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,110 reviews
Search Delta flights
American AirlinesPriceFrom $865Free CancellationRating
7.2
11,193 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,188 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 2/23
Mon 3/2
By creating a price alert you accept our terms of use and privacy policy.

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