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Cheap flights from Philadelphia to Seoul from $460

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 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:25 pm - 4:05 pm
PHL
-
ICN
35h 40m
2 stops
Air Canada Logo
6:55 pm - 2:44 pm
ICN
-
PHL
33h 49m
2 stops
$1,046Air Canada
Tue, Sep 29 - Mon, Nov 2
Air Canada Logo
3:25 pm - 4:25 pm
PHL
-
ICN
36h 00m
1 stop
Air Canada Logo
8:10 pm - 10:56 pm
ICN
-
PHL
16h 46m
1 stop
$1,050Air Canada
Mon, Sep 28 - Tue, Nov 3
Air Canada Logo
7:00 am - 5:30 pm
PHL
-
ICN
21h 30m
1 stop
Air Canada Logo
8:10 pm - 4:21 pm
ICN
-
PHL
34h 11m
1 stop
$1,055Air Canada
Thu, Oct 1 - Mon, Nov 2
Air Canada Logo
3:25 pm - 4:25 pm
PHL
-
ICN
36h 00m
1 stop
Air Canada Logo
5:45 pm - 9:32 pm
ICN
-
PHL
40h 47m
2 stops
$1,056Air Canada
Wed, Sep 30 - Wed, Oct 14
Air Canada Logo
7:00 am - 5:30 pm
PHL
-
ICN
21h 30m
1 stop
Air Canada Logo
6:55 pm - 2:44 pm
ICN
-
PHL
33h 49m
2 stops
$1,060Air Canada
Thu, Oct 1 - Mon, Nov 2
Air Canada Logo
7:00 am - 5:30 pm
PHL
-
ICN
21h 30m
1 stop
Air Canada Logo
5:45 pm - 10:09 am
ICN
-
PHL
29h 24m
2 stops
$1,064Air Canada
Thu, Oct 1 - Wed, Oct 14
Multiple Airlines Logo
7:00 am - 2:15 am
PHL
-
ICN
30h 15m
2 stops
Multiple Airlines Logo
6:55 pm - 2:44 pm
ICN
-
PHL
57h 49m
2 stops
$1,066Multiple Airlines
Thu, Oct 1 - Mon, Nov 2
Japan Airlines Logo
7:42 am - 9:15 pm
PHL
-
GMP
24h 33m
2 stops
Japan Airlines Logo
8:00 am - 4:43 pm
GMP
-
PHL
21h 43m
2 stops
$1,637Japan Airlines
Tue, Aug 4 - Wed, Aug 26
Japan Airlines Logo
10:36 am - 9:15 pm
PHL
-
GMP
21h 39m
2 stops
Japan Airlines Logo
8:00 am - 4:39 pm
GMP
-
PHL
21h 39m
2 stops
$1,664Japan Airlines
Tue, Sep 1 - Sun, Sep 27
Japan Airlines Logo
7:30 am - 9:15 pm
PHL
-
GMP
24h 45m
2 stops
Japan Airlines Logo
8:00 am - 4:39 pm
GMP
-
PHL
21h 39m
2 stops
$1,665Japan Airlines
Wed, Sep 2 - Sat, Sep 26

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Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Sep 29
PHL3:25 pmPhiladelphia
35h 40m
2 stops
ICN4:05 pmIncheon Intl
Nov 2
ICN6:55 pmIncheon Intl
33h 49m
2 stops
PHL2:44 pmPhiladelphia
$1,046
Air Canada
Sep 28
PHL3:25 pmPhiladelphia
36h 00m
1 stop
ICN4:25 pmIncheon Intl
Nov 3
ICN8:10 pmIncheon Intl
16h 46m
1 stop
PHL10:56 pmPhiladelphia
$1,050
Air Canada
Oct 1
PHL7:00 amPhiladelphia
21h 30m
1 stop
ICN5:30 pmIncheon Intl
Nov 2
ICN8:10 pmIncheon Intl
34h 11m
1 stop
PHL4:21 pmPhiladelphia
$1,055

Asiana Airlines flights from Philadelphia to Seoul

Our best Asiana Airlines deals on Philadelphia to Seoul flight tickets
Asiana Airlines
Nov 19
PHL9:15 amPhiladelphia
19h 10m
1 stop
ICN6:25 pmIncheon Intl
Dec 1
ICN8:10 pmIncheon Intl
34h 11m
1 stop
PHL4:21 pmPhiladelphia
$1,114
Asiana Airlines
Jul 9
PHL7:00 amPhiladelphia
44h 05m
2 stops
ICN4:05 pmIncheon Intl
Aug 3
ICN7:05 pmIncheon Intl
16h 41m
1 stop
PHL10:46 pmPhiladelphia
$1,589
Asiana Airlines
Jul 9
PHL4:20 pmPhiladelphia
36h 10m
1 stop
ICN5:30 pmIncheon Intl
Aug 3
ICN7:05 pmIncheon Intl
16h 41m
1 stop
PHL10:46 pmPhiladelphia
$1,660

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 July 6, 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

Cheapest round-trip

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Tue 9/29

3:25 pm-4:05 pm

2 stops35h 40m

Incheon Intl

Mon 11/2

6:55 pm-2:44 pm

2 stops33h 49m

$1,046

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 9/28

3:25 pm-4:25 pm

1 stop36h 00m

Incheon Intl

Tue 11/3

8:10 pm-10:56 pm

1 stop16h 46m

$1,050

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 10/1

7:00 am-5:30 pm

1 stop21h 30m

Incheon Intl

Mon 11/2

8:10 pm-4:21 pm

1 stop34h 11m

$1,055

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 9/30

3:25 pm-4:25 pm

1 stop36h 00m

Incheon Intl

Wed 10/14

5:45 pm-9:32 pm

2 stops40h 47m

$1,056

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 10/1

7:00 am-5:30 pm

1 stop21h 30m

Incheon Intl

Mon 11/2

6:55 pm-2:44 pm

2 stops33h 49m

$1,060

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 10/1

7:00 am-5:30 pm

1 stop21h 30m

Incheon Intl

Wed 10/14

5:45 pm-10:09 am

2 stops29h 24m

$1,064

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Thu 10/1

7:00 am-2:15 am

2 stops30h 15m

Incheon Intl

Mon 11/2

6:55 pm-2:44 pm

2 stops57h 49m

$1,066

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 8/4

7:42 am-9:15 pm

2 stops24h 33m

Seoul Gimpo Intl

Wed 8/26

8:00 am-4:43 pm

2 stops21h 43m

$1,637
Quickest round-trip

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Tue 9/1

10:36 am-9:15 pm

2 stops21h 39m

Seoul Gimpo Intl

Sun 9/27

8:00 am-4:39 pm

2 stops21h 39m

$1,664

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 9/2

7:30 am-9:15 pm

2 stops24h 45m

Seoul Gimpo Intl

Sat 9/26

8:00 am-4:39 pm

2 stops21h 39m

$1,665

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $1,138 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

21h 27m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 21h 27m
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 21h 27m.

  • 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
Air CanadaPriceFrom $780Free CancellationRating
7.1
11,313 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,783 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $845Free CancellationRating
7.9
12,631 reviews
Search Alaska Airlines flights
DeltaPriceFrom $845Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $850Free CancellationRating
7.4
9,945 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $915Free CancellationRating
8.1
550 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,129Free CancellationRating
8.4
1,221 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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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