To Siem Reap

Cheap Flights from Phnom Penh to Siem Reap

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

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Phnom Penh

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

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 Phnom Penh to Siem Reap

Explore current cheapest deals departing from Phnom Penh to Siem Reap

Round trip

Sort by: Cheapest

June 20 - July 7

Cheapest

Earliest

KTI - Siem Reap

$91

$119

Round trip

June 20 - July 9

Cheapest

Earliest

KTI - Siem Reap

$91

$119

Round trip

June 20 - June 27

Cheapest

Best

Earliest

KTI - Siem Reap

$102

$119

Round trip

June 20 - July 17

Cheapest

Earliest

KTI - Siem Reap

$91

$119

Round trip

June 20 - July 18

Earliest

KTI - Siem Reap

$91

$121

Round trip

June 20 - June 28

Earliest

KTI - Siem Reap

$99

$121

Round trip

June 20 - June 26

Earliest

KTI - Siem Reap

$102

$121

Round trip

July 19 - July 22

Best

KTI - Siem Reap

$97

$123

Round trip

July 5 - August 4

Best

KTI - Siem Reap

$84

$123

Round trip

July 22 - August 16

Best

KTI - Siem Reap

$85

$123

Round trip

Unlock all 500+ flight deals to Siem Reap and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Phnom Penh to Siem Reap

Right now, the cheapest flights from Phnom Penh to Siem Reap are significantly above the typical level. Fares for this route typically range from $103–$582, with a median of $309. Currently, 0% of recent fares are classified as a good price, indicating that finding a deal might require some flexibility or waiting for prices to adjust.

When is the cheapest time to fly from Phnom Penh to Siem Reap? The data indicates that October is the most affordable month, with a median fare of $100. Following closely are July and August, both offering median fares of $103. Planning your trip during these months could lead to substantial savings on your airfare.

For flights from Phnom Penh to Siem Reap, a meaningful share are non-stop, while the rest connect once. Specifically, 43.7% of recent fares are for direct flights from Phnom Penh to Siem Reap. For itineraries that include connections, the typical number of stopovers is 2, which can extend the overall travel time.

A typical journey from Phnom Penh to Siem Reap takes approximately 7h 15m, including connections. This duration accounts for both direct flights and those with stopovers, reflecting the overall travel experience on this route. Given that many itineraries involve connections, this median time provides a realistic expectation for your trip.

The distance between Phnom Penh and Siem Reap is 236 kilometers. This classifies the route as a short-haul flight, meaning you can expect a relatively quick journey between these two cities.

How much is a round trip from Phnom Penh to Siem Reap

Regular price: $75 - $208

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

The regular price range for flights on this route is between $75 and $208. The current lowest deal is $119 with Angkor Air for travel from Jun 20 to Jul 7.

now $119

Low $75

High $208

The cheapest time to fly from Phnom Penh to Siem Reap

The cheapest month to fly from PNH to REP is October, with a median price of $100. The most expensive month is November, with a median price of $550. Prices are generally lower from March to December.

October

Cheapest

Flights from $100

November

Most Expensive

Flights from $550

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Phnom Penh to Siem Reap

Angkor Air

Last-minute flights going from Phnom Penh to Siem Reap

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$91

$119

One-way

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$91

$119

One-way

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$102

$119

One-way

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$91

$119

One-way

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$91

$121

One-way

Sat, Jun 20

⌛ Last-Minute

KTI - Siem Reap

Phnom Penh (KTI) - Siem Reap (SAI)

Angkor Air

$99

$121

One-way

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

7 nights

Jun 20 - Jun 27

$102 → $119

17%

6 nights

Jun 20 - Jun 26

$102 → $121

19%

3 nights

Jun 28 - Jul 1

$104 → $123

18%

4 nights

Jun 29 - Jul 3

$102 → $123

20%

Popular Airports to fly from Phnom Penh to Siem Reap

Phnom Penh - Siem Reap route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Phnom Penh to Siem Reap are above the typical level at $119.

📅 Best time to fly

Fly in October for the best prices

Historically, October offers the lowest median prices at $100 for this route.

⏱️ Flight duration

Median flight time is 7h 15m

The median flight time for this route is 7 hours and 15 minutes, including layovers.

✈️ Airlines & availability

Angkor Air offers direct flights

Angkor Air provides direct flights, with 43.7% of all deals being direct.

🏆 Airline highlight

Angkor Air is a prominent carrier

Angkor Air is a key airline for direct flights from Phnom Penh to Siem Reap.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Phnom Penh to Siem Reap are frequent, with about 0.9 deals per day.

Phnom Penh main airports to depart from

Techo International Airport (KTI)

Cheapest

Techo International Airport offers flights to Siem Reap, providing a convenient option for your journey.

📍 ~20 km from Phnom Penh (reachable by car)

💸 Flights from ~$89

Phnom Penh International (PNH)

Phnom Penh International is a key departure point for flights to Siem Reap.

📍 ~5 km from Phnom Penh (reachable by car)

💸 Flights from ~$119

Siem Reap main airports to arrive at

Siem Reap–Angkor International Airport (SAI)

Cheapest

Siem Reap–Angkor International Airport is a key arrival point for exploring Siem Reap and its surroundings.

📍 ~40 km from city center (reachable by car)

💸 Flights from ~$119

Airports nearby Siem Reap used as alternative

Siem Reap–Angkor International Airport (SAI)

Cheapest

Consider SAI as it has replaced REP as the main airport for Siem Reap, offering modern infrastructure.

📍 ~39 km from Siem Reap city (reachable by car, ~45-60 mins travel time).

💸 Flights from ~$119

Suvarnabhumi (BKK)

BKK is a major global hub, often providing lower fares for international routes to the region.

📍 ~340 km from Siem Reap city (requires international border crossing, land transfer can take 7-9 hours).

💸 Flights from ~$124

Don Mueang International (DMK)

DMK is a main hub for low-cost carriers, excellent for budget-friendly regional connections to the area.

📍 ~365 km from Siem Reap city (requires international border crossing, further from the border than BKK).

💸 Flights from ~$141

Business & First Class Flight Deals to Siem Reap

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

Elite

Best Elite deals to Siem Reap

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

From KTI

Elite

Oct 29

Siem Reap, Cambodia

67% AI deal score

$1,727

$929

Save $798

From KTI

Elite

Oct 12

Siem Reap, Cambodia

66% AI deal score

$1,711

$936

Save $775

From KTI

Elite

Oct 12

Siem Reap, Cambodia

66% AI deal score

$1,711

$936

Save $775

From KTI

Elite

Oct 12

Siem Reap, Cambodia

66% AI deal score

$1,711

$936

Save $775

From KTI

Elite

Oct 12

Siem Reap, Cambodia

66% AI deal score

$1,711

$940

Save $771

From KTI

Elite

Oct 12

Siem Reap, Cambodia

66% AI deal score

$1,711

$941

Save $770

From KTI

Elite

Oct 29

Siem Reap, Cambodia

50% AI deal score

$1,676

$933

Save $743

From KTI

Elite

Oct 29

Siem Reap, Cambodia

50% AI deal score

$1,675

$933

Save $742

From KTI

Elite

Oct 29

Siem Reap, Cambodia

50% AI deal score

$1,681

$938

Save $743

From KTI

Elite

Oct 29

Siem Reap, Cambodia

50% AI deal score

$1,681

$938

Save $743

From KTI

Elite

Oct 29

Siem Reap, Cambodia

50% AI deal score

$1,681

$943

Save $738

From KTI

Elite

Oct 29

Siem Reap, Cambodia

49% AI deal score

$1,673

$933

Save $740

From KTI

Elite

Oct 29

Siem Reap, Cambodia

49% AI deal score

$1,678

$938

Save $740

From KTI

Elite

Oct 29

Siem Reap, Cambodia

49% AI deal score

$1,675

$939

Save $736

From KTI

Elite

Nov 04

Siem Reap, Cambodia

42% AI deal score

$1,425

$941

Save $484

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,387

$929

Save $458

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,388

$931

Save $457

From KTI

Elite

Nov 09

Siem Reap, Cambodia

41% AI deal score

$1,374

$931

Save $443

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,413

$933

Save $480

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,399

$933

Save $466

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,422

$936

Save $486

From KTI

Elite

Nov 19

Siem Reap, Cambodia

41% AI deal score

$1,373

$937

Save $436

From KTI

Elite

Nov 19

Siem Reap, Cambodia

41% AI deal score

$1,377

$937

Save $440

From KTI

Elite

Nov 19

Siem Reap, Cambodia

41% AI deal score

$1,412

$937

Save $475

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,386

$938

Save $448

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,422

$938

Save $484

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,387

$938

Save $449

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,383

$939

Save $444

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,383

$940

Save $443

From KTI

Elite

Nov 09

Siem Reap, Cambodia

41% AI deal score

$1,370

$940

Save $430

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,383

$940

Save $443

From KTI

Elite

Nov 09

Siem Reap, Cambodia

41% AI deal score

$1,371

$940

Save $431

From KTI

Elite

Nov 09

Siem Reap, Cambodia

41% AI deal score

$1,409

$941

Save $468

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,413

$941

Save $472

From KTI

Elite

Nov 04

Siem Reap, Cambodia

41% AI deal score

$1,386

$941

Save $445

From KTI

Elite

Nov 10

Siem Reap, Cambodia

41% AI deal score

$1,369

$941

Save $428

From KTI

Elite

Nov 10

Siem Reap, Cambodia

41% AI deal score

$1,373

$941

Save $432

From KTI

Elite

Nov 05

Siem Reap, Cambodia

41% AI deal score

$1,382

$943

Save $439

From KTI

Elite

Nov 08

Siem Reap, Cambodia

41% AI deal score

$1,385

$946

Save $439

From KTI

Elite

Nov 09

Siem Reap, Cambodia

41% AI deal score

$1,372

$946

Save $426

From KTI

Elite

Dec 01

Siem Reap, Cambodia

40% AI deal score

$1,274

$934

Save $340

From KTI

Elite

Nov 22

Siem Reap, Cambodia

38% AI deal score

$427

$367

Save $60

From KTI

Elite

Oct 29

Siem Reap, Cambodia

38% AI deal score

$453

$384

Save $69

From KTI

Elite

Oct 29

Siem Reap, Cambodia

38% AI deal score

$456

$384

Save $72

From KTI

Elite

Oct 12

Siem Reap, Cambodia

38% AI deal score

$454

$386

Save $68

From KTI

Elite

Oct 12

Siem Reap, Cambodia

38% AI deal score

$458

$386

Save $72

From KTI

Elite

Nov 05

Siem Reap, Cambodia

37% AI deal score

$432

$384

Save $48

From KTI

Elite

Nov 05

Siem Reap, Cambodia

37% AI deal score

$430

$384

Save $46

From KTI

Elite

Nov 05

Siem Reap, Cambodia

37% AI deal score

$430

$384

Save $46

From KTI

Elite

Nov 05

Siem Reap, Cambodia

37% AI deal score

$427

$384

Save $43

From KTI

Elite

Nov 26

Siem Reap, Cambodia

37% AI deal score

$428

$386

Save $42

From KTI

Elite

Nov 09

Siem Reap, Cambodia

37% AI deal score

$422

$386

Save $36

From KTI

Elite

Nov 08

Siem Reap, Cambodia

37% AI deal score

$430

$386

Save $44

From KTI

Elite

Nov 08

Siem Reap, Cambodia

37% AI deal score

$426

$386

Save $40

From KTI

Elite

Nov 09

Siem Reap, Cambodia

37% AI deal score

$426

$386

Save $40

From KTI

Elite

Nov 08

Siem Reap, Cambodia

37% AI deal score

$423

$386

Save $37

From KTI

Elite

Nov 25

Siem Reap, Cambodia

37% AI deal score

$427

$392

Save $35

From KTI

Elite

Nov 23

Siem Reap, Cambodia

36% AI deal score

$419

$386

Save $33

From KTI

Elite

Nov 23

Siem Reap, Cambodia

36% AI deal score

$417

$386

Save $31

From KTI

Elite

Nov 09

Siem Reap, Cambodia

36% AI deal score

$420

$386

Save $34

From KTI

Elite

Nov 26

Siem Reap, Cambodia

36% AI deal score

$417

$386

Save $31

From KTI

Elite

Nov 25

Siem Reap, Cambodia

36% AI deal score

$420

$392

Save $28

From KTI

Elite

Oct 29

Siem Reap, Cambodia

36% AI deal score

$456

$424

Save $32

From KTI

Elite

Dec 02

Siem Reap, Cambodia

34% AI deal score

$385

From KTI

Elite

Nov 05

Siem Reap, Cambodia

34% AI deal score

$424

From KTI

Elite

Nov 09

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 21

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 17

Siem Reap, Cambodia

34% AI deal score

$428

$426

Save $2

From KTI

Elite

Nov 08

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 17

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 21

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 17

Siem Reap, Cambodia

34% AI deal score

$426

From KTI

Elite

Nov 22

Siem Reap, Cambodia

34% AI deal score

$627

From KTI

Elite

Nov 22

Siem Reap, Cambodia

34% AI deal score

$627

From KTI

Elite

Sep 20

Siem Reap, Cambodia

33% AI deal score

$545

From KTI

Elite

Nov 23

Siem Reap, Cambodia

32% AI deal score

$637

From KTI

Elite

Oct 28

Siem Reap, Cambodia

32% AI deal score

$639

From KTI

Elite

Nov 07

Siem Reap, Cambodia

32% AI deal score

$639

From KTI

Elite

Oct 28

Siem Reap, Cambodia

32% AI deal score

$639

From KTI

Elite

Nov 07

Siem Reap, Cambodia

32% AI deal score

$639

From KTI

Elite

Nov 07

Siem Reap, Cambodia

32% AI deal score

$640

From KTI

Elite

Oct 10

Siem Reap, Cambodia

32% AI deal score

$642

From KTI

Elite

Oct 10

Siem Reap, Cambodia

32% AI deal score

$642

From KTI

Elite

Oct 02

Siem Reap, Cambodia

32% AI deal score

$642

From KTI

Elite

Nov 29

Siem Reap, Cambodia

31% AI deal score

$637

From KTI

Elite

Nov 23

Siem Reap, Cambodia

31% AI deal score

$637

From KTI

Elite

Nov 07

Siem Reap, Cambodia

31% AI deal score

$637

From KTI

Elite

Nov 07

Siem Reap, Cambodia

31% AI deal score

$637

From KTI

Elite

Oct 28

Siem Reap, Cambodia

31% AI deal score

$639

From KTI

Elite

Oct 28

Siem Reap, Cambodia

31% AI deal score

$640

From KTI

Elite

Aug 28

Siem Reap, Cambodia

30% AI deal score

$644

From KTI

Elite

Jul 12

Siem Reap, Cambodia

30% AI deal score

$649

From KTI

Elite

Jun 19

Siem Reap, Cambodia

30% AI deal score

$650

From KTI

Elite

Jul 18

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jul 13

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jul 15

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jul 13

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jun 29

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jul 10

Siem Reap, Cambodia

30% AI deal score

$651

From KTI

Elite

Jul 02

Siem Reap, Cambodia

30% AI deal score

$651

Frequently Asked Questions About Flights to Siem Reap

Historically, the optimal booking window for flights from Phnom Penh to Siem Reap is typically 28-59 days before departure. During this period, the average price observed was $144. Booking within 0-6 days of departure generally sees a significantly higher average price of $563. Prices for flights booked 14-27 days out averaged $318, indicating that planning ahead can lead to better value.

Across the trailing quarter, a fare of $103 or less from Phnom Penh to Siem Reap is considered a good price. The median price for this route during the same period was $309. Fares can go as high as $582 or more, representing the 75th percentile of prices observed.

Historically, October has shown the cheapest flights from Phnom Penh to Siem Reap, with a median price of $100. July and August also offer competitive prices, both with a median of $103. The annual median price for this route is $309, indicating that these months offer significant savings compared to the yearly average.

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