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

Direct flights offer convenience by reducing travel time and avoiding layovers. However, connecting flights can often be more economical, especially for long-haul routes. Consider your budget and time constraints when deciding between direct and connecting options.

Can flexible travel dates help on Philadelphia to Seoul flights?

Being flexible with your travel dates can significantly impact flight prices. Shifting your departure or return by a few days may reveal cheaper fares. Weekday travel or flying during less popular times often presents more affordable opportunities.

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 services. Some airlines may also charge for meals or entertainment. Understanding these additional expenses helps you calculate the true total cost of your journey.

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 4 days ago

456 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Philadelphia to Seoul

Explore current cheapest deals departing from Philadelphia to Seoul

2026-09-22 – 2026-10-05
PHL - Seoul
79% AI deal score
$1,119
$974
Round trip
2026-09-22 – 2026-10-19
PHL - Seoul
78% AI deal score
$1,099
$974
Round trip
2026-09-22 – 2026-10-13
PHL - Seoul
78% AI deal score
$1,097
$974
Round trip
2026-09-22 – 2026-10-06
PHL - Seoul
79% AI deal score
$1,118
$974
Round trip
2026-09-10 – 2026-09-25
PHL - Seoul
80% AI deal score
$1,149
$980
Round trip
2026-09-09 – 2026-09-25
PHL - Seoul
80% AI deal score
$1,151
$982
Round trip
2026-09-11 – 2026-09-25
PHL - Seoul
80% AI deal score
$1,156
$987
Round trip
2026-10-22 – 2026-10-27
PHL - Seoul
80% AI deal score
$1,156
$989
Round trip
2026-10-22 – 2026-10-29
PHL - Seoul
79% AI deal score
$1,125
$991
Round trip
2026-09-14 – 2026-09-25
PHL - Seoul
79% AI deal score
$1,136
$992
Round trip

Philadelphia to Seoul: Overview

Insights for flights from Philadelphia to Seoul

Fares for cheap flights from Philadelphia to Seoul typically range from $1008 to $1791, with a median price of $1186. Right now, current fares are above the typical level for this route. Approximately 14% of recent fares have been classified as a good price, indicating that competitive offers appear regularly.

A typical journey from Philadelphia to Seoul takes approximately 38h 13m, including connections. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, this duration reflects the comprehensive travel time for this long-haul route.

The route from Philadelphia to Seoul covers a significant distance of 11,135 kilometers, classifying it as a long-haul journey. This substantial distance means that travel typically involves extended flight times and often multiple connections.

When considering the cheapest time to fly from Philadelphia to Seoul, April stands out with a median fare of $704. Following closely, January offers a median fare of $722, and February presents a median of $793. These months generally provide more economical options for travelers.

How much is a round trip from Philadelphia to Seoul

Regular price: $993 - $1,909

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Seoul is between $993 and $1909. The current lowest deal is $987 with Frontier Airlines for travel from Sep 10-Sep 25.

now $987

Low $993

High $1,909

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. Generally, prices are 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

United Airlines

Deutsche Luft Hansa

Korean Air

Frontier Airlines

Last-minute flights going from Philadelphia to Seoul

Tue, Sep 1

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,189

$1,101

One-way

Tue, Sep 1

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,294

$1,107

One-way

Wed, Sep 2

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,295

$1,097

One-way

Fri, Sep 4

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,292

$1,115

One-way

Sat, Sep 5

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,292

$1,121

One-way

Wed, Sep 9

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,140

$1,097

One-way

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

3 nights

Nov 2 - Nov 5

$1,309 → $1,576

20%

9 nights

Oct 2 - Oct 11

$1,301 → $1,734

33%

13 nights

Nov 1 - Nov 14

$1,226 → $1,665

36%

7 nights

Sep 19 - Sep 26

$1,364 → $1,956

43%

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 typically involve 2 stopovers, with a median duration of 38h 13m.

✈️ Airlines & availability

Connecting flights are dominant

There are no direct flights available; connecting flights are the only option for this route.

🏆 Airline highlight

Frontier Airlines offers a recent deal

A recent deal from Frontier Airlines was found for $987, departing September 10 and returning September 25.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Philadelphia to Seoul are frequent, appearing within a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Fly from Philadelphia International for convenient departures to Seoul.

📍 ~11 km from city center (reachable by car or train)

💸 Flights from ~$987

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a major gateway for flights to Seoul from Philadelphia.

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$1,034

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative for regional international routes, despite fewer long-haul options.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$1,175

Business & First Class Flight Deals to Seoul

$4,518

Save $692

Aeroméxico, +1

Business Class

From PHL

Elite

Sep 14

Seoul, South Korea

81% AI deal score

$25,140

$22,915

Save $2,225

Alaska Airlines, Inc., +1

Business Class

From PHL

Elite

Nov 14

Seoul, South Korea

80% AI deal score

$5,016

$4,619

Save $397

Aeroméxico, +1

Business Class

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 also help you identify better deals. Sometimes, flying on weekdays or during off-peak seasons may result in lower fares.

Booking flights in advance often provides more options and potentially better prices. However, last-minute deals can sometimes appear, though they are less predictable. It's generally advisable to monitor prices over a period to identify trends.

Comparing nearby airports can sometimes reveal different flight options or prices. While it may add to your ground travel, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

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: $993 - $1,909

Prices are currently below the regular range.

The regular price range for flights from Philadelphia to Seoul is between $993 and $1909. The current lowest deal is $987 with Frontier Airlines for travel from Sep 10-Sep 25.

now $987

Low $993

High $1,909

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

United Airlines

Deutsche Luft Hansa

Korean Air

Frontier Airlines

Last-minute flights going from Philadelphia to Seoul

Tue, Sep 1

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,189

$1,101

One-way

Tue, Sep 1

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,294

$1,107

One-way

Wed, Sep 2

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,295

$1,097

One-way

Fri, Sep 4

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,292

$1,115

One-way

Sat, Sep 5

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,292

$1,121

One-way

Wed, Sep 9

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

United Airlines

$1,140

$1,097

One-way

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

3 nights

Nov 2 - Nov 5

$1,309 → $1,576

20%

9 nights

Oct 2 - Oct 11

$1,301 → $1,734

33%

13 nights

Nov 1 - Nov 14

$1,226 → $1,665

36%

7 nights

Sep 19 - Sep 26

$1,364 → $1,956

43%

Popular Airports to fly from Philadelphia to Seoul