Are direct flights from Philadelphia to Seoul always the best option?

Direct flights are often more convenient as they reduce travel time and the risk of missed connections. However, flights with layovers can sometimes be more economical. It's usually a trade-off between convenience and cost.

Can flexible travel dates help on Philadelphia to Seoul flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares. Even shifting your departure or return by a day or two may yield savings.

What extra costs should I check before booking Philadelphia to Seoul flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs. Some airlines may also charge for amenities like Wi-Fi or entertainment. Factor these into your total travel budget.

Flights From Philadelphia

To Seoul

Cheap Flights from Philadelphia to Seoul

Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Philadelphia

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Philadelphia to Seoul

Explore current cheapest deals departing from Philadelphia to Seoul

2026-08-19 – 2026-08-31
PHL - Seoul
88% AI deal score
$1,197
$895
Round trip
2026-08-19 – 2026-08-30
PHL - Seoul
88% AI deal score
$1,209
$901
Round trip
2026-08-06 – 2026-08-31
PHL - Seoul
87% AI deal score
$1,163
$915
Round trip
2026-08-19 – 2026-08-28
PHL - Seoul
87% AI deal score
$1,218
$933
Round trip
2026-08-13 – 2026-08-24
PHL - Seoul
87% AI deal score
$1,222
$950
Round trip
2026-09-18 – 2026-09-27
PHL - Seoul
86% AI deal score
$1,153
$955
Round trip
2026-08-08 – 2026-08-30
PHL - Seoul
86% AI deal score
$1,172
$956
Round trip
2026-08-20 – 2026-08-31
PHL - Seoul
86% AI deal score
$1,209
$958
Round trip
2026-08-19 – 2026-08-25
PHL - Seoul
87% AI deal score
$1,267
$960
Round trip
2026-08-18 – 2026-08-30
PHL - Seoul
86% AI deal score
$1,197
$961
Round trip

Philadelphia to Seoul: Overview

Insights for flights from Philadelphia to Seoul

A typical journey from Philadelphia to Seoul takes about 38h 13m including connections. Given the long-haul nature of this route, which spans 11,135 kilometers, most itineraries involve multiple stops. This extensive travel time is characteristic of flights covering such a significant distance.

For travelers seeking cheap flights from Philadelphia to Seoul, fares are typically $1008–$1791, with a median of $1186. Right now, current fares are above the typical level, and about 14% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find better prices.

The cheapest time to fly from Philadelphia to Seoul is during April, with a median fare of $704. Other economical months include January, where the median fare is $722, and February, with a median of $793. Planning your trip during these months can lead to significant savings.

When flying from Philadelphia to Seoul, most itineraries connect at least once, as 0% of recent fares were non-stop. For connecting flights, the typical number of stopovers is 2. This means you should anticipate at least two stops on your journey to Seoul.

How much is a round trip from Philadelphia to Seoul

Regular price: $1,007 - $1,815

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Seoul is $1007 to $1815. The current lowest deal is $896 with Frontier Airlines, for travel from Aug 19-Aug 31.

now $896

Low $1,007

High $1,815

The cheapest time to fly from Philadelphia to Seoul

The cheapest month to fly from Philadelphia to Seoul is April, with a median price of $704. The most expensive month is August, with a median price of $1686. Prices are generally lower from January to December.

April

Cheapest

Flights from $704

August

Most Expensive

Flights from $1,686

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Seoul

Air Canada

Frontier Airlines

Deutsche Luft Hansa

WestJet

Last-minute flights going from Philadelphia to Seoul

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,196

$1,104

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,338

$1,417

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Alaska Airlines, Inc.

$1,397

$1,488

One-way

Wed, Aug 5

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,469

$1,390

One-way

Thu, Aug 6

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,239

$1,104

One-way

Thu, Aug 6

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,192

$1,154

One-way

Biggest price drops on these dates for flights from Philadelphia to Seoul

7 nights

Aug 21 - Aug 28

$1,263 → $966

24%

12 nights

Aug 19 - Aug 31

$1,209 → $927

23%

11 nights

Aug 20 - Aug 31

$1,209 → $956

21%

11 nights

Aug 17 - Aug 28

$1,229 → $1,000

19%

Popular Airports to fly from Philadelphia to Seoul

Philadelphia - Seoul route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Philadelphia to Seoul are above the typical level, with a median price of $1186.

📅 Best time to fly

Fly in April for the best prices

Historically, April offers the lowest median prices at $704, followed by January at $722.

⏱️ Flight duration

Expect a long-haul flight

Flights to Seoul from Philadelphia typically take 38h 13m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant

There are no direct flights available from Philadelphia to Seoul; connecting flights are dominant.

🏆 Airline highlight

Frontier Airlines offers a recent deal

A recent deal with Frontier Airlines was found for $896 from August 19-August 31.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Philadelphia to Seoul are frequent, appearing often within 30 days.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a convenient departure point for flights to Seoul.

📍 ~10 km from city center (reachable by car or train)

💸 Flights from ~$1013

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International is a convenient arrival airport for flights from Philadelphia to Seoul.

📍 ~50 km from city center (reachable by car)

💸 Flights from ~$1013

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International is a practical alternative due to its proximity and international status for regional destinations.

📍 ~135 km from Seoul (reachable by express bus and rail).

💸 Flights from ~$1237

Business & First Class Flight Deals to Seoul

91% AI deal score

$2,831

$2,081

Save $750

Frequently Asked Questions About Flights to Seoul

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also notify you when fares drop.

Booking flights in advance, often several months out, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fare trends may help you decide the optimal booking time. Last-minute deals are rare for international routes.

Comparing nearby airports can sometimes offer more flight options or different pricing. While it may add to your ground travel, the potential savings on airfare could make it worthwhile. Always consider the total travel time and cost.

Related routes

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Flights to Seoul from other cities

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Philadelphia to Seoul: Overview

Insights for flights from Philadelphia to Seoul

How much is a round trip from Philadelphia to Seoul

Regular price: $1,007 - $1,815

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Seoul is $1007 to $1815. The current lowest deal is $896 with Frontier Airlines, for travel from Aug 19-Aug 31.

now $896

Low $1,007

High $1,815

The cheapest time to fly from Philadelphia to Seoul

April

Cheapest

Flights from $704

August

Most Expensive

Flights from $1,686

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Seoul

Air Canada

Frontier Airlines

Deutsche Luft Hansa

WestJet

Last-minute flights going from Philadelphia to Seoul

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,196

$1,104

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,338

$1,417

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Alaska Airlines, Inc.

$1,397

$1,488

One-way

Wed, Aug 5

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,469

$1,390

One-way

Thu, Aug 6

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,239

$1,104

One-way

Thu, Aug 6

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,192

$1,154

One-way

Biggest price drops on these dates for flights from Philadelphia to Seoul

7 nights

Aug 21 - Aug 28

$1,263 → $966

24%

12 nights

Aug 19 - Aug 31

$1,209 → $927

23%

11 nights

Aug 20 - Aug 31

$1,209 → $956

21%

11 nights

Aug 17 - Aug 28

$1,229 → $1,000

19%

Popular Airports to fly from Philadelphia to Seoul