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Cheap flights from Philadelphia to Seoul from $412

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 2/23. 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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0 bags

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Find the cheapest flights from Philadelphia to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:30 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
$769Air Canada
Mon, Feb 9 - Mon, Feb 16
Air Canada Logo
3:30 pm - 4:00 pm
PHL
-
ICN
34h 30m
2 stops
Air Canada Logo
8:10 pm - 10:46 pm
ICN
-
PHL
16h 36m
1 stop
$773Air Canada
Mon, Feb 9 - Mon, Feb 16
Air Canada Logo
3:30 pm - 4:00 pm
PHL
-
ICN
34h 30m
2 stops
Air Canada Logo
8:10 pm - 3:24 pm
ICN
-
PHL
33h 14m
1 stop
$774Air Canada
Mon, Feb 9 - Thu, Feb 12
Air Canada Logo
3:30 pm - 4:00 pm
PHL
-
ICN
34h 30m
2 stops
Air Canada Logo
8:10 pm - 2:47 pm
ICN
-
PHL
32h 37m
2 stops
$777Air Canada
Mon, Feb 9 - Thu, Feb 12
Air Canada Logo
7:50 am - 6:25 pm
PHL
-
ICN
20h 35m
1 stop
Air Canada Logo
8:10 pm - 10:46 pm
ICN
-
PHL
16h 36m
1 stop
$778Air Canada
Mon, Feb 9 - Thu, Feb 12
Air Canada Logo
9:15 am - 5:30 pm
PHL
-
ICN
19h 15m
1 stop
Air Canada Logo
7:05 pm - 2:48 pm
ICN
-
PHL
32h 43m
2 stops
$782Air Canada
Mon, Apr 20 - Tue, May 12
Multiple Airlines Logo
3:30 pm - 4:00 pm
PHL
-
ICN
34h 30m
2 stops
Multiple Airlines Logo
2:40 pm - 10:46 pm
ICN
-
PHL
22h 06m
2 stops
$798Multiple Airlines
Wed, Feb 4 - Wed, Feb 25
Japan Airlines Logo
3:07 pm - 10:55 am
PHL
-
GMP
29h 48m
2 stops
Japan Airlines Logo
7:40 pm - 2:39 pm
GMP
-
PHL
32h 59m
2 stops
$931Japan Airlines
Wed, Feb 4 - Wed, Feb 25
Japan Airlines Logo
7:17 am - 10:55 am
PHL
-
GMP
37h 38m
2 stops
Japan Airlines Logo
7:40 pm - 2:37 pm
GMP
-
PHL
56h 57m
2 stops
$966Japan Airlines
Wed, Feb 11 - Wed, Feb 18
Japan Airlines Logo
3:07 pm - 10:55 am
PHL
-
GMP
29h 48m
2 stops
Japan Airlines Logo
12:05 pm - 2:37 pm
GMP
-
PHL
40h 32m
2 stops
$1,084Japan Airlines
Mon, Feb 9 - Mon, Feb 16

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
$769
Air Canada
Feb 9
PHL3:30 pmPhiladelphia
34h 30m
2 stops
ICN4:00 pmIncheon Intl
Feb 16
ICN8:10 pmIncheon Intl
16h 36m
1 stop
PHL10:46 pmPhiladelphia
$773
Air Canada
Feb 9
PHL3:30 pmPhiladelphia
34h 30m
2 stops
ICN4:00 pmIncheon Intl
Feb 12
ICN8:10 pmIncheon Intl
33h 14m
1 stop
PHL3:24 pmPhiladelphia
$774

Asiana Airlines flights from Philadelphia to Seoul

Our best Asiana Airlines deals on Philadelphia to Seoul flight tickets
Asiana Airlines
Mar 22
PHL6:20 pmPhiladelphia
21h 20m
1 stop
ICN4:40 amIncheon Intl
Mar 30
ICN4:50 pmIncheon Intl
28h 25m
1 stop
PHL8:15 amPhiladelphia
$806
Asiana Airlines
Feb 11
PHL7:45 pmPhiladelphia
30h 30m
2 stops
ICN4:15 pmIncheon Intl
Feb 15
ICN6:00 pmIncheon Intl
27h 15m
1 stop
PHL7:15 amPhiladelphia
$810
Asiana Airlines
Apr 5
PHL6:21 pmPhiladelphia
20h 59m
1 stop
ICN4:20 amIncheon Intl
Apr 26
ICN11:30 amIncheon Intl
33h 45m
1 stop
PHL8:15 amPhiladelphia
$813

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 16, 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

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

$769

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

3:30 pm-4:00 pm

2 stops34h 30m

Incheon Intl

Mon 2/16

8:10 pm-10:46 pm

1 stop16h 36m

$773

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

3:30 pm-4:00 pm

2 stops34h 30m

Incheon Intl

Thu 2/12

8:10 pm-3:24 pm

1 stop33h 14m

$774

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

3:30 pm-4:00 pm

2 stops34h 30m

Incheon Intl

Thu 2/12

8:10 pm-2:47 pm

2 stops32h 37m

$777

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 2/9

7:50 am-6:25 pm

1 stop20h 35m

Incheon Intl

Thu 2/12

8:10 pm-10:46 pm

1 stop16h 36m

$778

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Mon 4/20

9:15 am-5:30 pm

1 stop19h 15m

Incheon Intl

Tue 5/12

7:05 pm-2:48 pm

2 stops32h 43m

$782

PhiladelphiaIncheon

PHL - ICN

PHLICN

Philadelphia

Wed 2/4

3:30 pm-4:00 pm

2 stops34h 30m

Incheon Intl

Wed 2/25

2:40 pm-10:46 pm

2 stops22h 06m

$798

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 2/4

3:07 pm-10:55 am

2 stops29h 48m

Seoul Gimpo Intl

Wed 2/25

7:40 pm-2:39 pm

2 stops32h 59m

$931

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Wed 2/11

7:17 am-10:55 am

2 stops37h 38m

Seoul Gimpo Intl

Wed 2/18

7:40 pm-2:37 pm

2 stops56h 57m

$966

PhiladelphiaSeoul

PHL - GMP

PHLGMP

Philadelphia

Mon 2/9

3:07 pm-10:55 am

2 stops29h 48m

Seoul Gimpo Intl

Mon 2/16

12:05 pm-2:37 pm

2 stops40h 32m

$1,084

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 March is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $906.

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

19h 20m

Direct flights

None
The fastest flight from Philadelphia to Seoul takes 19h 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 19h 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
9,163 reviews
Search United Airlines flights
Air CanadaPriceFrom $785Free CancellationRating
7.1
10,624 reviews
Search Air Canada flights
DeltaPriceFrom $845Free CancellationRating
7.9
8,049 reviews
Search Delta flights
American AirlinesPriceFrom $865Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,187 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