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Cheap flights from Philadelphia to Seoul from $505

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 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Philadelphia to Seoul.
 Logo
5:05 am - 8:30 pmPHL-ICN
26h 25m2 stops
 Logo
12:45 pm - 8:25 pmICN-PHL
20h 40m1 stop
$1,016
Find Deal
Mon, Apr 28 - Tue, May 13
 Logo
5:15 am - 8:30 pmPHL-ICN
26h 15m2 stops
 Logo
12:45 pm - 6:30 amICN-PHL
30h 45m1 stop
$1,031
Find Deal
Fri, May 2 - Fri, May 9
 Logo
5:05 am - 8:30 pmPHL-ICN
26h 25m2 stops
 Logo
12:45 pm - 6:30 amICN-PHL
30h 45m1 stop
$1,033
Find Deal
Mon, Apr 28 - Wed, May 14
Air Canada Logo
9:45 am - 4:05 pmPHL-ICN
41h 20m2 stops
Air Canada Logo
5:45 pm - 2:36 pmICN-PHL
33h 51m2 stops
$1,107Air Canada
Find Deal
Fri, May 2 - Fri, May 9
Air Canada Logo
3:20 pm - 4:05 pmPHL-ICN
35h 45m2 stops
Air Canada Logo
7:05 pm - 3:48 pmICN-PHL
33h 43m1 stop
$1,133Air Canada
Find Deal
Sun, May 18 - Mon, Jun 2
Delta Logo
7:20 pm - 4:00 amPHL-ICN
19h 40m1 stop
Delta Logo
7:25 pm - 12:23 amICN-PHL
17h 58m1 stop
$1,206Delta
Find Deal
Tue, Sep 16 - Tue, Oct 28
Delta Logo
6:15 am - 4:30 pmPHL-ICN
21h 15m2 stops
Delta Logo
4:25 pm - 8:38 pmICN-PHL
17h 13m1 stop
$1,211Delta
Find Deal
Mon, Sep 1 - Mon, Sep 22
United Airlines Logo
8:30 am - 4:20 amPHL-ICN
30h 50m1 stop
United Airlines Logo
11:30 am - 5:14 pmICN-PHL
18h 44m1 stop
$1,276United Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
United Airlines Logo
4:12 pm - 3:00 pmPHL-ICN
33h 48m3 stops
United Airlines Logo
4:50 pm - 5:35 amICN-PHL
25h 45m2 stops
$1,281United Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 21
Korean Air Logo
5:50 pm - 4:00 amPHL-ICN
21h 10m1 stop
Korean Air Logo
9:30 am - 5:17 pmICN-PHL
20h 47m1 stop
$1,416Korean Air
Find Deal
Tue, Apr 15 - Tue, May 13

Air Canada flights from Philadelphia to Seoul

Our best Air Canada deals on Philadelphia to Seoul flight tickets
Air Canada
Apr 5
PHL4:25 pmPhiladelphia
34h 40m
2 stops
ICN4:05 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
29h 35m
2 stops
PHL10:20 amPhiladelphia
Air Canada
Apr 5
PHL4:25 pmPhiladelphia
36h 05m
1 stop
ICN5:30 pmIncheon Intl
May 4
ICN5:45 pmIncheon Intl
29h 35m
2 stops
PHL10:20 amPhiladelphia
Air Canada
May 2
PHL9:45 amPhiladelphia
41h 20m
2 stops
ICN4:05 pmIncheon Intl
May 9
ICN5:45 pmIncheon Intl
33h 51m
2 stops
PHL2:36 pmPhiladelphia

Delta flights from Philadelphia to Seoul

Our best Delta deals on Philadelphia to Seoul flight tickets
Delta
Sep 16
PHL7:20 pmPhiladelphia
19h 40m
1 stop
ICN4:00 amIncheon Intl
Oct 28
ICN7:25 pmIncheon Intl
17h 58m
1 stop
PHL12:23 amPhiladelphia
Delta
Sep 1
PHL6:15 amPhiladelphia
21h 15m
2 stops
ICN4:30 pmIncheon Intl
Sep 22
ICN4:25 pmIncheon Intl
17h 13m
1 stop
PHL8:38 pmPhiladelphia
Delta
Sep 27
PHL7:20 pmPhiladelphia
29h 50m
1 stop
ICN2:10 pmIncheon Intl
Oct 13
ICN6:50 pmIncheon Intl
17h 07m
1 stop
PHL10:57 pmPhiladelphia

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 November is another great option to travel to Seoul, with average flight prices from Philadelphia averaging around $977.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Friday is the cheapest day to fly to Seoul from Philadelphia. The lowest ticket price found for a Friday departure recently was $1,137. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,368.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,187 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,412 per ticket.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,155 when searching 4 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 $987 on momondo.

How have Philadelphia to Seoul flight prices changed over time?

As of April 2025, prices for Philadelphia to Seoul flights are approximately 11% 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

Best Price Found

$505

Fastest flight time

17h 30m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from Philadelphia in the past 72 hours is $505. The best round-trip flight deal from Philadelphia to Seoul found on momondo in the last 72 hours is $1,016.
The fastest flight from Philadelphia to Seoul takes 17h 30m
There are no direct flights from Philadelphia to Seoul. Popular non-direct routes for this connection are Philadelphia Airport - Seoul Gimpo Intl Airport and Philadelphia Airport - Incheon Intl Airport.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • 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 30m.

  • 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 $796Free CancellationRating
7.0
9,031 reviews
Search Air Canada flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
DeltaPriceFrom $879Free CancellationRating
8.0
7,897 reviews
Search Delta flights
American AirlinesPriceFrom $903Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,076Free CancellationRating
8.4
1,053 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