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FlightsFrom Seoul

To Phnom Penh

Cheap Flights from Seoul to Phnom Penh

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

Deals from

Seoul

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Seoul to Phnom Penh

Explore current cheapest deals departing from Seoul to Phnom Penh

June 30 - July 1

Cheapest
Best
Earliest

ICN - Phnom Penh

$375

$329

Round trip

June 30 - July 26

Earliest

ICN - Phnom Penh

$323

$349

Round trip

August 23 - September 17

ICN - Phnom Penh

$316

$350

Round trip

August 28 - September 17

ICN - Phnom Penh

$319

$350

Round trip

August 21 - September 17

ICN - Phnom Penh

$316

$351

Round trip

June 30 - July 12

Earliest

ICN - Phnom Penh

$332

$356

Round trip

August 26 - September 17

ICN - Phnom Penh

$319

$358

Round trip

June 30 - July 29

Earliest

ICN - Phnom Penh

$323

$362

Round trip

August 29 - September 8

ICN - Phnom Penh

$257

$371

Round trip

August 26 - September 8

ICN - Phnom Penh

$252

$371

Round trip

Unlock all 500+ flight deals to Phnom Penh and get alerts when great deals appear

Route Intelligence β€” 486,190 Searches this Week

Insights for flights from Seoul to Phnom Penh

The journey from Seoul to Phnom Penh covers a distance of 3,598 km, classifying it as a medium-haul route. For travelers seeking cheap flights from Seoul to Phnom Penh, fares typically range from $325–$383, with a median of $366. Right now, fares are near the typical level, and about 19% of recent fares were considered a good price. New deals appear almost daily, suggesting frequent opportunities to find favorable pricing.
If you are looking for the cheapest time to fly from Seoul to Phnom Penh, March stands out as the most affordable month, with a median fare of just $200. Other cost-effective options include May, where the median fare is $342, and February, with a median fare of $360. Planning your trip during these months could result in significant savings.
When flying from Seoul to Phnom Penh, a meaningful share of itineraries are non-stop, while the rest connect once. Specifically, 45.2% of recent fares were for direct flights from Seoul to Phnom Penh. For itineraries that include connections, the typical number of stopovers is 2.
A typical journey from Seoul to Phnom Penh takes approximately 11h 5m, including connections. This duration accounts for both direct and connecting itineraries, providing a realistic expectation for your travel time.

How much is a round trip from Seoul to Phnom Penh

Regular price: $315 - $612

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

The regular price range for flights from Seoul to Phnom Penh is between $315 and $612. The current lowest deal is $329 with China Eastern Airlines for travel from Jun 30-Jul 1.

now $329

Low $315

High $612

The cheapest time to fly from Seoul to Phnom Penh

The cheapest month to fly from Seoul to Phnom Penh is March, with a median price of $200. The most expensive month is January, with a median price of $490. Prices are generally lower from February to October.

March

Cheapest

Flights from $200

January

Most Expensive

Flights from $490

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct

Direct flights from Seoul to Phnom Penh

Airline logo

Asiana Airlines

Last-minute flights going from Seoul to Phnom Penh

Sat, Jun 20

βŒ› Last-Minute

GMP - Phnom Penh

Seoul (GMP) - Phnom Penh (KTI)

$521

$679

One-way

Tue, Jun 23

βŒ› Last-Minute

GMP - Phnom Penh

Seoul (GMP) - Phnom Penh (KTI)

$501

$936

One-way

Tue, Jun 23

βŒ› Last-Minute

GMP - Phnom Penh

Seoul (GMP) - Phnom Penh (KTI)

$496

$1,143

One-way

Fri, Jun 26

βŒ› Last-Minute

GMP - Phnom Penh

Seoul (GMP) - Phnom Penh (KTI)

$473

$729

One-way

Tue, Jun 30

βŒ› Last-Minute

ICN - Phnom Penh

China Eastern Airlines

Seoul (ICN) - Phnom Penh (KTI)

China Eastern Airlines

$375

$329

One-way

Tue, Jun 30

βŒ› Last-Minute

ICN - Phnom Penh

China Eastern Airlines

Seoul (ICN) - Phnom Penh (KTI)

China Eastern Airlines

$323

$349

One-way

Biggest price drops on these dates for flights from Seoul to Phnom Penh

1 night

Jun 30 - Jul 1

$375Β Β β†’Β Β $329

12%

12 nights

Jun 30 - Jul 12

$332Β Β β†’Β Β $356

7%

26 nights

Jun 30 - Jul 26

$323Β Β β†’Β Β $349

8%

20 nights

Aug 28 - Sep 17

$319Β Β β†’Β Β $350

10%

Popular Airports to fly from Seoul to Phnom Penh

Seoul - Phnom Penh route insights

πŸ’Έ Price insights

Recent fares near the typical level

Recent fares are near the typical level, with 19% of deals historically considered good prices.

πŸ“… Best time to fly

March is historically cheapest at $200

Historically, March is the cheapest month to fly, with a median price of $200.

⏱️ Flight duration

Median flight time is 11h 5m

The median flight time for this route is 11 hours and 5 minutes, classified as a medium-haul flight.

✈️ Airlines & availability

Frequent deals, mixed direct flight availability

Deals are frequent, with 45.2% of flights being direct and a median of 2 stopovers for connecting flights.

πŸ† Airline highlight

Asiana Airlines offers direct flights

Asiana Airlines is one of the carriers offering direct flights on this route.

🎯 Booking tip

Consider booking in advance for better prices

With deals appearing frequently, consider booking in advance to secure optimal prices for your trip.

Seoul main airports to depart from

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Seoul to Phnom Penh, offering competitive prices.

πŸ“ ~55 km from city center (reachable by car or train)

πŸ’Έ Flights from ~$316

Gimpo International (GMP)

Gimpo International Airport provides another departure choice for your journey from Seoul to Phnom Penh.

πŸ“ ~20 km from city center (reachable by car or train)

πŸ’Έ Flights from ~$506

Phnom Penh main airports to arrive at

Techo International Airport (KTI)

Cheapest

Techo International Airport offers a potential arrival option for flights to Phnom Penh.

πŸ“ ~20 km from Phnom Penh (reachable by car)

πŸ’Έ Flights from ~$301

Phnom Penh International (PNH)

Phnom Penh International is a key arrival airport for flights to Phnom Penh.

πŸ“ ~5 km from Phnom Penh (reachable by car)

πŸ’Έ Flights from ~$329

Airports nearby Phnom Penh used as alternative

Techo International Airport (KTI)

Consider this new facility as it is designed to be the primary international gateway for Phnom Penh.

πŸ“ ~20 km from Phnom Penh (check current operational status)

πŸ’Έ Flights from ~$301

Siem Reap–Angkor International Airport (SAI)

This airport offers excellent regional and international connectivity, useful if traveling to Siem Reap.

πŸ“ ~230 km from Phnom Penh (reachable by bus or private car)

πŸ’Έ Flights from ~$345

Tan Son Nhat International (SGN)

A major regional hub with extensive flight options, often offering competitive international pricing.

πŸ“ ~200 km from Phnom Penh (requires international border crossing into Vietnam)

πŸ’Έ Flights from ~$225

Sihanoukville International (KOS)

Useful for regional coastal connections within Cambodia, avoiding international border issues.

πŸ“ ~180 km from Phnom Penh (accessible via expressway)

πŸ’Έ Flights from ~$433

Phu Quoc International Airport (PQC)

Cheapest

An international airport with growing connectivity, geographically close to the Cambodian border.

πŸ“ ~190 km from Phnom Penh (requires border crossing and additional travel)

πŸ’Έ Flights from ~$195

Business & First Class Flight Deals to Phnom Penh

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

Elite

Best Elite deals to Phnom Penh

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

From ICN

Elite

Jun 22

Phnom Penh, Cambodia

92% AI deal score

$1,470

$787

Save $683

From ICN

Elite

Jun 30

Phnom Penh, Cambodia

91% AI deal score

$1,654

$628

Save $1,026

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

91% AI deal score

$1,684

$807

Save $877

From ICN

Elite

Jul 03

Phnom Penh, Cambodia

91% AI deal score

$1,666

$822

Save $844

From ICN

Elite

Jul 01

Phnom Penh, Cambodia

91% AI deal score

$1,636

$822

Save $814

From ICN

Elite

Jun 24

Phnom Penh, Cambodia

91% AI deal score

$1,598

$845

Save $753

From ICN

Elite

Jun 24

Phnom Penh, Cambodia

91% AI deal score

$1,611

$845

Save $766

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

91% AI deal score

$1,666

$852

Save $814

From ICN

Elite

Jun 25

Phnom Penh, Cambodia

91% AI deal score

$1,642

$856

Save $786

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

91% AI deal score

$1,652

$859

Save $793

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

91% AI deal score

$1,639

$859

Save $780

From ICN

Elite

Jun 24

Phnom Penh, Cambodia

91% AI deal score

$1,624

$864

Save $760

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

90% AI deal score

$1,386

$876

Save $510

From ICN

Elite

Jun 22

Phnom Penh, Cambodia

90% AI deal score

$1,386

$876

Save $510

From ICN

Elite

Sep 30

Phnom Penh, Cambodia

90% AI deal score

$1,449

$876

Save $573

From ICN

Elite

Jul 01

Phnom Penh, Cambodia

90% AI deal score

$1,452

$876

Save $576

From ICN

Elite

Sep 17

Phnom Penh, Cambodia

90% AI deal score

$1,414

$876

Save $538

From ICN

Elite

Aug 26

Phnom Penh, Cambodia

90% AI deal score

$1,328

$877

Save $451

From ICN

Elite

Aug 23

Phnom Penh, Cambodia

90% AI deal score

$1,324

$877

Save $447

From ICN

Elite

Jul 06

Phnom Penh, Cambodia

90% AI deal score

$1,403

$877

Save $526

From ICN

Elite

Jun 21

Phnom Penh, Cambodia

90% AI deal score

$1,465

$877

Save $588

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,422

$877

Save $545

From ICN

Elite

Jun 29

Phnom Penh, Cambodia

90% AI deal score

$1,642

$679

Save $963

From ICN

Elite

Jun 30

Phnom Penh, Cambodia

90% AI deal score

$1,654

$682

Save $972

From ICN

Elite

Aug 21

Phnom Penh, Cambodia

90% AI deal score

$1,650

$697

Save $953

From ICN

Elite

Jun 24

Phnom Penh, Cambodia

90% AI deal score

$1,567

$845

Save $722

From ICN

Elite

Jun 25

Phnom Penh, Cambodia

90% AI deal score

$1,611

$856

Save $755

From ICN

Elite

Jun 25

Phnom Penh, Cambodia

90% AI deal score

$1,596

$856

Save $740

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,630

$857

Save $773

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

90% AI deal score

$1,634

$859

Save $775

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,638

$864

Save $774

From ICN

Elite

Jul 03

Phnom Penh, Cambodia

90% AI deal score

$1,644

$866

Save $778

From ICN

Elite

Jul 03

Phnom Penh, Cambodia

90% AI deal score

$1,638

$871

Save $767

From ICN

Elite

Jul 03

Phnom Penh, Cambodia

90% AI deal score

$1,638

$878

Save $760

From ICN

Elite

Jul 03

Phnom Penh, Cambodia

90% AI deal score

$1,684

$899

Save $785

From ICN

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Jul 11

Phnom Penh, Cambodia

90% AI deal score

$1,669

$901

Save $768

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,652

$901

Save $751

From ICN

Elite

Jul 11

Phnom Penh, Cambodia

90% AI deal score

$1,687

$901

Save $786

From ICN

Elite

Jul 11

Phnom Penh, Cambodia

90% AI deal score

$1,648

$901

Save $747

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,651

$901

Save $750

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,651

$901

Save $750

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

90% AI deal score

$1,652

$901

Save $751

From ICN

Elite

Jun 24

Phnom Penh, Cambodia

90% AI deal score

$1,598

$906

Save $692

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

89% AI deal score

$1,361

$876

Save $485

From ICN

Elite

Jun 20

Phnom Penh, Cambodia

89% AI deal score

$1,331

$876

Save $455

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

89% AI deal score

$1,302

$876

Save $426

From ICN

Elite

Jun 27

Phnom Penh, Cambodia

89% AI deal score

$1,327

$876

Save $451

From ICN

Elite

Jul 01

Phnom Penh, Cambodia

89% AI deal score

$1,371

$876

Save $495

From ICN

Elite

Jul 01

Phnom Penh, Cambodia

89% AI deal score

$1,360

$876

Save $484

From ICN

Elite

Jun 23

Phnom Penh, Cambodia

89% AI deal score

$1,320

$876

Save $444

From ICN

Elite

Jul 01

Phnom Penh, Cambodia

89% AI deal score

$1,379

$876

Save $503

From ICN

Elite

Aug 27

Phnom Penh, Cambodia

89% AI deal score

$1,267

$877

Save $390

From ICN

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Aug 30

Phnom Penh, Cambodia

89% AI deal score

$1,266

$877

Save $389

From ICN

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Jul 05

Phnom Penh, Cambodia

89% AI deal score

$1,362

$877

Save $485

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

89% AI deal score

$1,356

$877

Save $479

From ICN

Elite

Aug 26

Phnom Penh, Cambodia

89% AI deal score

$1,309

$877

Save $432

From ICN

Elite

Jul 06

Phnom Penh, Cambodia

89% AI deal score

$1,359

$877

Save $482

From ICN

Elite

Aug 23

Phnom Penh, Cambodia

89% AI deal score

$1,272

$877

Save $395

From ICN

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Jul 06

Phnom Penh, Cambodia

89% AI deal score

$1,370

$877

Save $493

From ICN

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Aug 26

Phnom Penh, Cambodia

89% AI deal score

$1,270

$877

Save $393

From ICN

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Aug 27

Phnom Penh, Cambodia

89% AI deal score

$1,278

$877

Save $401

From ICN

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Jul 04

Phnom Penh, Cambodia

89% AI deal score

$1,371

$877

Save $494

From ICN

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Jun 30

Phnom Penh, Cambodia

89% AI deal score

$1,314

$877

Save $437

From ICN

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Jun 23

Phnom Penh, Cambodia

89% AI deal score

$1,378

$877

Save $501

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

89% AI deal score

$1,356

$877

Save $479

From ICN

Elite

Aug 30

Phnom Penh, Cambodia

89% AI deal score

$1,268

$877

Save $391

From ICN

Elite

Sep 12

Phnom Penh, Cambodia

89% AI deal score

$1,441

$883

Save $558

From ICN

Elite

Sep 26

Phnom Penh, Cambodia

89% AI deal score

$1,435

$884

Save $551

From ICN

Elite

Sep 25

Phnom Penh, Cambodia

89% AI deal score

$1,435

$884

Save $551

From ICN

Elite

Sep 09

Phnom Penh, Cambodia

89% AI deal score

$1,494

$884

Save $610

From ICN

Elite

Sep 25

Phnom Penh, Cambodia

89% AI deal score

$1,521

$895

Save $626

From ICN

Elite

Jul 04

Phnom Penh, Cambodia

89% AI deal score

$1,638

$901

Save $737

From ICN

Elite

Jul 22

Phnom Penh, Cambodia

89% AI deal score

$1,633

$904

Save $729

From ICN

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Jul 15

Phnom Penh, Cambodia

88% AI deal score

$1,413

$821

Save $592

From ICN

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Aug 25

Phnom Penh, Cambodia

88% AI deal score

$1,323

$821

Save $502

From ICN

Elite

Nov 06

Phnom Penh, Cambodia

88% AI deal score

$1,658

$735

Save $923

From ICN

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Aug 18

Phnom Penh, Cambodia

87% AI deal score

$1,261

$883

Save $378

From ICN

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Aug 18

Phnom Penh, Cambodia

87% AI deal score

$1,258

$883

Save $375

From ICN

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Aug 30

Phnom Penh, Cambodia

87% AI deal score

$1,325

$911

Save $414

From ICN

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Aug 17

Phnom Penh, Cambodia

86% AI deal score

$1,255

$905

Save $350

From ICN

Elite

Aug 16

Phnom Penh, Cambodia

86% AI deal score

$1,268

$905

Save $363

From ICN

Elite

Aug 17

Phnom Penh, Cambodia

86% AI deal score

$1,258

$905

Save $353

From ICN

Elite

Aug 26

Phnom Penh, Cambodia

86% AI deal score

$1,278

$911

Save $367

From ICN

Elite

Jul 18

Phnom Penh, Cambodia

75% AI deal score

$1,332

$1,166

Save $166

From ICN

Elite

Sep 09

Phnom Penh, Cambodia

74% AI deal score

$1,255

$1,095

Save $160

From ICN

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Jul 08

Phnom Penh, Cambodia

74% AI deal score

$1,333

$1,208

Save $125

From ICN

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Aug 05

Phnom Penh, Cambodia

70% AI deal score

$1,055

From ICN

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Jul 06

Phnom Penh, Cambodia

70% AI deal score

$1,095

From ICN

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Aug 26

Phnom Penh, Cambodia

70% AI deal score

$1,099

From ICN

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Aug 23

Phnom Penh, Cambodia

69% AI deal score

$1,136

From ICN

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Jun 29

Phnom Penh, Cambodia

69% AI deal score

$1,226

From ICN

Elite

Jul 27

Phnom Penh, Cambodia

69% AI deal score

$1,234

From ICN

Elite

Jul 18

Phnom Penh, Cambodia

69% AI deal score

$1,234

From GMP

Elite

Nov 17

Phnom Penh, Cambodia

69% AI deal score

$1,530

From ICN

Elite

Jun 20

Phnom Penh, Cambodia

65% AI deal score

$4,130

Frequently Asked Questions About Flights to Phnom Penh

Historically, the lowest prices for flights from Seoul to Phnom Penh are found when booking 7-13 days in advance. During this period, the average price was $329. Booking 0-6 days out typically resulted in an average price of $343. For those booking 60+ days in advance, the average price was significantly higher at $437, based on data from the trailing 90 days.

Across the trailing quarter, a good price for a flight from Seoul to Phnom Penh was considered to be $325. The median price for this route was $366. Prices typically ranged up to $383 for the upper quartile, based on data from the trailing 90 days.

Historically, March has been the cheapest month to fly from Seoul to Phnom Penh, with a median price of $200. May also offered competitive prices, with a median of $342. The annual median price for this route was $366, based on data from the trailing 270 days.