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

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with layovers can sometimes be more affordable, depending on the route and airline. Consider your priorities for cost versus travel time when making your decision.

Can flexible travel dates help on Philadelphia to Seoul flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices for airfare can vary significantly depending on the day of the week or season. Adjusting your departure or return by a few days may result in notable 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 services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional expenses can help you budget accurately for your trip.

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 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Philadelphia to Seoul

Explore current cheapest deals departing from Philadelphia to Seoul

2026-10-21 – 2026-10-27
PHL - Seoul
79% AI deal score
$1,127
$988
Round trip
2026-10-17 – 2026-10-27
PHL - Seoul
78% AI deal score
$1,089
$993
Round trip
2026-10-21 – 2026-10-26
PHL - Seoul
80% AI deal score
$1,160
$1,003
Round trip
2026-10-24 – 2026-10-27
PHL - Seoul
80% AI deal score
$1,182
$1,005
Round trip
2026-10-17 – 2026-10-26
PHL - Seoul
78% AI deal score
$1,095
$1,008
Round trip
2026-11-01 – 2026-11-15
PHL - Seoul
78% AI deal score
$1,037
$1,012
Round trip
2026-10-18 – 2026-10-26
PHL - Seoul
81% AI deal score
$1,098
$1,015
Round trip
2026-11-08 – 2026-11-16
PHL - Seoul
79% AI deal score
$1,049
$1,015
Round trip
2026-11-02 – 2026-11-17
PHL - Seoul
74% AI deal score
$1,032
$1,024
Round trip
2026-10-24 – 2026-10-31
PHL - Seoul
81% AI deal score
$1,126
$1,030
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: $915 - $1,652

Prices for flights from Philadelphia to Seoul are currently within the regular range.

The regular price range for this route is $915 to $1652. The current lowest deal is $1007 with Alaska Airlines, Inc. for travel from Nov 1-Nov 15.

now $1,007

Low $915

High $1,652

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 15

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,295

$1,064

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,204

$1,054

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,267

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,272

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,183

$1,272

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,272

One-way

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

4 nights

Sep 19 - Sep 23

$1,506 → $1,119

26%

3 nights

Sep 24 - Sep 27

$1,356 → $1,081

20%

14 nights

Sep 16 - Sep 30

$1,207 → $1,004

17%

13 nights

Sep 17 - Sep 30

$1,205 → $1,003

17%

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

Cheapest months are April, January, and February

Historically, the cheapest months to fly are April ($704), January ($722), and February ($793).

⏱️ Flight duration

Connecting flights average 38h 13m

Flights from Philadelphia to Seoul typically involve connections, with a median duration of 38h 13m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not available for this route; connecting flights are dominant, with 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers deals from $1007

Alaska Airlines, Inc. recently offered a deal for $1007 from Philadelphia to Seoul for November 1-15.

🎯 Booking tip

Deals are frequent on this route

Deals on 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

Discover luxury on the budget with premium cabin class on flights from Philadelphia to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From PHL

Elite

Feb 07

Seoul, South Korea

90% AI deal score

$2,932

$2,317

Save $615

United Airlines

Business Class

From PHL

Elite

Dec 03

Seoul, South Korea

89% AI deal score

$2,904

$2,417

Save $487

United Airlines

Business Class

From PHL

Elite

Oct 21

Seoul, South Korea

84% AI deal score

$2,786

$2,342

Save $444

United Airlines

Business Class

From PHL

Elite

Oct 20

Seoul, South Korea

84% AI deal score

$2,786

$2,347

Save $439

United Airlines

Business Class

From PHL

Elite

Nov 17

Seoul, South Korea

83% AI deal score

$2,736

$2,317

Save $419

United Airlines

Business Class

From PHL

Elite

Nov 09

Seoul, South Korea

83% AI deal score

$2,730

$2,317

Save $413

United Airlines

Business Class

From PHL

Elite

Oct 25

Seoul, South Korea

83% AI deal score

$2,792

$2,383

Save $409

United Airlines

Business Class

From PHL

Elite

Nov 19

Seoul, South Korea

83% AI deal score

$2,798

$2,417

Save $381

United Airlines

Business Class

From PHL

Elite

Oct 26

Seoul, South Korea

83% AI deal score

$2,820

$2,437

Save $383

United Airlines

Business Class

From PHL

Elite

Nov 14

Seoul, South Korea

82% AI deal score

$5,115

$4,472

Save $643

Alaska Airlines, Inc., +1

Business Class

From PHL

Elite

Oct 30

Seoul, South Korea

82% AI deal score

$2,781

$2,433

Save $348

United Airlines

Business Class

From PHL

Elite

Dec 23

Seoul, South Korea

82% AI deal score

$2,903

$2,595

Save $308

United Airlines

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 platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months out, can sometimes lead to lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different pricing compared to weekends.

Comparing nearby airports can sometimes uncover alternative flight options or potentially lower fares. While it may add to your travel time, the savings could be significant. Always factor in the additional transportation costs and convenience when considering this option.

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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: $915 - $1,652

Prices for flights from Philadelphia to Seoul are currently within the regular range.

The regular price range for this route is $915 to $1652. The current lowest deal is $1007 with Alaska Airlines, Inc. for travel from Nov 1-Nov 15.

now $1,007

Low $915

High $1,652

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 15

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,295

$1,064

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Deutsche Luft Hansa

$1,204

$1,054

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,267

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,272

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,183

$1,272

One-way

Wed, Sep 16

⌛ Last-Minute

PHL - Seoul

Philadelphia (PHL) - Seoul (ICN)

Air Canada

$1,182

$1,272

One-way

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

4 nights

Sep 19 - Sep 23

$1,506 → $1,119

26%

3 nights

Sep 24 - Sep 27

$1,356 → $1,081

20%

14 nights

Sep 16 - Sep 30

$1,207 → $1,004

17%

13 nights

Sep 17 - Sep 30

$1,205 → $1,003

17%

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

Cheapest months are April, January, and February

Historically, the cheapest months to fly are April ($704), January ($722), and February ($793).

⏱️ Flight duration

Connecting flights average 38h 13m

Flights from Philadelphia to Seoul typically involve connections, with a median duration of 38h 13m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not available for this route; connecting flights are dominant, with 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers deals from $1007

Alaska Airlines, Inc. recently offered a deal for $1007 from Philadelphia to Seoul for November 1-15.

🎯 Booking tip

Deals are frequent on this route

Deals on 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.

Seoul, South Korea

82% AI deal score

$2,903

$2,595

Save $308

United Airlines

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Philadelphia to Seoul

Today’s best flight deals from Philadelphia to Seoul

Philadelphia to Seoul: Overview

Insights for flights from Philadelphia to Seoul

How much is a round trip from Philadelphia to Seoul

The cheapest time to fly from Philadelphia to Seoul

Direct flights from Philadelphia to Seoul

Last-minute flights going from Philadelphia to Seoul

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

Popular Airports to fly from Philadelphia to Seoul

Philadelphia - Seoul route insights

Recent fares are above the typical level

Cheapest months are April, January, and February

Connecting flights average 38h 13m

Connecting flights are dominant on this route

Alaska Airlines, Inc. offers deals from $1007

Deals are frequent on this route

Philadelphia main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Feb 07

Dec 03

Oct 21

Oct 20

Nov 17

Nov 09

Oct 25

Nov 19

Oct 26

Nov 14

Oct 30

Dec 23

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Philadelphia to Seoul?

When should I book flights from Philadelphia to Seoul?

Should I compare nearby airports for flights from Philadelphia to Seoul?

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

Can flexible travel dates help on Philadelphia to Seoul flights?

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

Related routes

More routes from Philadelphia

Flights to Seoul from other cities

Philadelphia to Seoul: Overview

Insights for flights from Philadelphia to Seoul

How much is a round trip from Philadelphia to Seoul

The cheapest time to fly from Philadelphia to Seoul

Direct flights from Philadelphia to Seoul

Last-minute flights going from Philadelphia to Seoul

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

Popular Airports to fly from Philadelphia to Seoul

Philadelphia - Seoul route insights

Recent fares are above the typical level

Cheapest months are April, January, and February

Connecting flights average 38h 13m

Connecting flights are dominant on this route

Alaska Airlines, Inc. offers deals from $1007

Deals are frequent on this route

Philadelphia main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Feb 07

Dec 03

Oct 21

Oct 20

Nov 17

Nov 09

Oct 25

Nov 19

Oct 26

Nov 14

Oct 30

Dec 23

Frequently Asked Questions About Flights to Seoul

How can I find cheap flights from Philadelphia to Seoul?

When should I book flights from Philadelphia to Seoul?

Should I compare nearby airports for flights from Philadelphia to Seoul?