What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh (average of $991). Flying from Washington, D.C. Reagan-National Airport to Phnom Penh in June is currently the most expensive (average of $1,582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Phnom Penh?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Phnom Penh flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Phnom Penh?

September is one of the best times of the year to fly to Phnom Penh from Washington, D.C. Reagan-National Airport. Prices for September average $1,670 per person but you can even find prices for as low as $1,152. The most expensive prices can be found in the month of May. Opting for a September flight can save you 20% on your journey compared to booking in May

What is the cheapest time of day to fly from DCA to PNH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Phnom Penh as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Phnom Penh flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Phnom Penh flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Phnom Penh flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Phnom Penh flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Phnom Penh from Washington, D.C. Reagan-National?

Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Phnom Penh. 0 airlines have flights to Pochentong from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Phnom Penh Pochentong should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.

Can I find deals for flights from Reagan-National to Phnom Penh that include hotel bookings?

Yes. In addition to deals on Reagan-National to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Phnom Penh?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Phnom Penh.

Can I find deals for business class flights from Reagan-National to Phnom Penh?

Yes. Cheapflights offers flight deals from Reagan-National to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,063+ Flights from Washington, D.C. Reagan-National Airport to Phnom Penh

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1. Tell us where you want to go

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Cheap flight deals from Reagan-National to Phnom Penh

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,333 (FlightHub)
Popular in	May
Cheapest in	September
Average price	$1,391

Provider with most accurate pricing for Washington, D.C. Reagan-National-Phnom Penh Pochentong flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Phnom Penh Pochentong flights.

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From Washington, D.C. Reagan-National to Phnom Penh Pochentong

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Reagan-National to Phnom Penh

Cheapest flights from Reagan-National to Phnom Penh
Explore the most affordable flight options available from Reagan-National to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Thu 5/111:54 amDCA - PNH

2 stops42h 26mCathay Pacific

Thu 5/2911:25 amPNH - DCA

2 stops24h 21mCathay Pacific

Deal found 4/28

$1,063

Wed 9/38:59 amDCA - PNH

2 stops37h 51mChina Airlines

Wed 10/110:50 amPNH - DCA

2 stops45h 09mChina Airlines

Deal found 4/28

$1,222

Thu 8/79:59 amDCA - PNH

2 stops38h 16mEVA Air

Tue 9/3012:35 pmPNH - DCA

2 stops43h 24mEVA Air

Deal found 4/28

$1,326

Wed 9/38:29 amDCA - PNH

2 stops28h 46mPhilippine Airlines

Tue 9/301:15 amPNH - DCA

2 stops30h 59mPhilippine Airlines

Deal found 4/28

$1,451

Fri 10/319:30 amDCA - PNH

3 stops36h 05mSingapore Airlines

Sat 11/152:50 pmPNH - DCA

2 stops42h 05mSingapore Airlines

Deal found 4/28

$1,672

Fri 5/308:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Fri 6/2010:50 amPNH - DCA

2 stops45h 52mMultiple Airlines

Deal found 4/28

$1,820

Thu 9/46:58 pmDCA - PNH

3 stops34h 17mQatar Airways

Wed 10/155:40 pmPNH - DCA

3 stops32h 55mQatar Airways

Deal found 4/27

$1,946

Fri 10/315:00 pmDCA - PNH

3 stops36h 35mEmirates

Sat 11/158:35 pmPNH - DCA

3 stops39h 10mEmirates

Deal found 4/28

$2,132

Thu 5/2912:00 pmDCA - PNH

3 stops47h 55mUnited Airlines

Thu 6/1211:55 pmPNH - DCA

2 stops28h 02mUnited Airlines

Deal found 4/29

$2,665

Best flights from Reagan-National to Phnom Penh
Discover carefully curated flight deals from Reagan-National to Phnom Penh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Sun 7/2012:10 pmDCA - PNH

2 stops35h 05mCathay Pacific

Wed 8/206:30 pmPNH - DCA

2 stops41h 35mCathay Pacific

Deal found 4/29

$1,333

Wed 5/148:59 amDCA - PNH

2 stops37h 51mChina Airlines

Sun 5/1810:50 amPNH - DCA

2 stops45h 09mChina Airlines

Deal found 4/28

$1,596

Fri 5/308:59 amDCA - PNH

2 stops39h 16mEVA Air

Fri 6/2012:35 pmPNH - DCA

2 stops44h 07mEVA Air

Deal found 4/28

$1,770

Fri 5/308:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Fri 6/2010:50 amPNH - DCA

2 stops45h 52mMultiple Airlines

Deal found 4/28

$1,820

Sun 7/209:59 amDCA - PNH

3 stops40h 11mSingapore Airlines

Wed 8/206:55 pmPNH - DCA

2 stops61h 04mSingapore Airlines

Deal found 4/29

$1,953

Sun 7/208:20 amDCA - PNH

2 stops52h 55mPhilippine Airlines

Tue 8/191:15 amPNH - DCA

2 stops30h 44mPhilippine Airlines

Deal found 4/29

$2,083

Thu 5/2912:00 pmDCA - PNH

3 stops47h 55mUnited Airlines

Thu 6/1211:55 pmPNH - DCA

2 stops28h 02mUnited Airlines

Deal found 4/29

$2,665

Thu 5/296:26 pmDCA - PNH

3 stops34h 49mQatar Airways

Thu 6/125:40 pmPNH - DCA

3 stops28h 53mQatar Airways

Deal found 4/29

$2,832

Fri 5/305:00 pmDCA - PNH

3 stops36h 35mEmirates

Fri 6/208:50 pmPNH - DCA

3 stops36h 52mEmirates

Deal found 4/28

$3,183

Last-minute flights from Reagan-National to Phnom Penh
Discover last-minute flight deals from Reagan-National to Phnom Penh. Data last updated April 29, 2025 and is based on user searches.

Thu 5/111:54 amDCA - PNH

2 stops42h 26mCathay Pacific

Thu 5/2911:25 amPNH - DCA

2 stops24h 21mCathay Pacific

Deal found 4/28

$1,063

Thu 5/112:30 pmDCA - PNH

2 stops40h 45mQatar Airways

Thu 5/295:40 pmPNH - DCA

3 stops39h 42mQatar Airways

Deal found 4/28

$1,984

Thu 5/18:59 amDCA - PNH

3 stops41h 11mSingapore Airlines

Thu 5/299:35 amPNH - DCA

3 stops70h 24mSingapore Airlines

Deal found 4/28

$2,663

Thu 5/81:44 pmDCA - PNH

2 stops33h 31mCathay Pacific

Fri 5/236:30 pmPNH - DCA

2 stops35h 37mCathay Pacific

Deal found 4/28

$6,608

Wed 5/148:59 amDCA - PNH

2 stops37h 51mChina Airlines

Sun 5/1810:50 amPNH - DCA

2 stops45h 09mChina Airlines

Deal found 4/28

$1,596

Wed 5/148:15 amDCA - PNH

2 stops29h 00mPhilippine Airlines

Sat 5/171:15 amPNH - DCA

2 stops54h 37mPhilippine Airlines

Deal found 4/28

$2,317

Thu 5/2912:00 pmDCA - PNH

3 stops47h 55mUnited Airlines

Thu 6/1211:55 pmPNH - DCA

2 stops28h 02mUnited Airlines

Deal found 4/29

$2,665

Fri 5/308:59 amDCA - PNH

2 stops39h 16mEVA Air

Fri 6/2012:35 pmPNH - DCA

2 stops44h 07mEVA Air

Deal found 4/28

$1,770

Fri 5/308:59 amDCA - PNH

2 stops37h 51mMultiple Airlines

Fri 6/2010:50 amPNH - DCA

2 stops45h 52mMultiple Airlines

Deal found 4/28

$1,820

Fri 5/305:00 pmDCA - PNH

3 stops36h 35mEmirates

Fri 6/208:50 pmPNH - DCA

3 stops36h 52mEmirates

Deal found 4/28

$3,183

One-way flights from Reagan-National to Phnom Penh
Search for one-way flight options from Reagan-National to Phnom Penh. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Mon 7/712:10 pmDCA - PNH

2 stops42h 10mCathay Pacific

Deal found 4/29

$2,533

Sun 7/68:59 amDCA - PNH

3 stops38h 16mMultiple Airlines

Deal found 4/29

$3,008

Sat 7/59:59 amDCA - PNH

3 stops44h 41mSingapore Airlines

Deal found 4/29

$8,537

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Sun 7/20

12:10 pm-10:15 am

2 stops35h 05m

Phnom Penh Pochentong

Wed 8/20

6:30 pm-1:05 am

2 stops41h 35m

$1,333

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Wed 5/14

8:59 am-9:50 am

2 stops37h 51m

Phnom Penh Pochentong

Sun 5/18

10:50 am-8:59 pm

2 stops45h 09m

$1,596

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Fri 5/30

8:59 am-11:15 am

2 stops39h 16m

Phnom Penh Pochentong

Fri 6/20

12:35 pm-9:42 pm

2 stops44h 07m

$1,770

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Fri 5/30

8:59 am-9:50 am

2 stops37h 51m

Phnom Penh Pochentong

Fri 6/20

10:50 am-9:42 pm

2 stops45h 52m

$1,820

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Sun 7/20

9:59 am-1:10 pm

3 stops40h 11m

Phnom Penh Pochentong

Wed 8/20

6:55 pm-8:59 pm

2 stops61h 04m

$1,953

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Sun 7/20

8:20 am-12:15 am

2 stops52h 55m

Phnom Penh Pochentong

Tue 8/19

1:15 am-8:59 pm

2 stops30h 44m

$2,083

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Thu 5/29

12:00 pm-10:55 pm

3 stops47h 55m

Phnom Penh Pochentong

Thu 6/12

11:55 pm-4:57 pm

2 stops28h 02m

$2,665

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Thu 5/29

6:26 pm-4:15 pm

3 stops34h 49m

Phnom Penh Pochentong

Thu 6/12

5:40 pm-11:33 am

3 stops28h 53m

$2,832

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Fri 5/30

5:00 pm-4:35 pm

3 stops36h 35m

Phnom Penh Pochentong

Fri 6/20

8:50 pm-10:42 pm

3 stops36h 52m

$3,183

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Mon 7/7

12:10 pm-5:20 pm

2 stops42h 10m

$2,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results

Compare providers for flights from Reagan-National to Phnom Penh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Phnom Penh in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Phnom Penh flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Phnom Penh flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Phnom Penh flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Phnom Penh flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Phnom Penh

Rainfall in Phnom Penh by month

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Temperature in Phnom Penh by month

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Phnom Penh

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Singapore Airlines

8.1

Very good

1,292 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Emirates

8.0

Very good

3,213 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Cathay Pacific

7.5

Good

852 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What airport do you fly into for flights to Phnom Penh from Washington, D.C. Reagan-National?
Phnom Penh Pochentong (PNH), located 5.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Reagan-National to Phnom Penh. 0 airlines have flights to Pochentong from Washington, D.C. Reagan-National on a regular basis. Booking flights from Washington, D.C. Reagan-National to Phnom Penh Pochentong should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day.
Can I find deals for flights from Reagan-National to Phnom Penh that include hotel bookings?
Yes. In addition to deals on Reagan-National to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Phnom Penh?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Phnom Penh.
Can I find deals for business class flights from Reagan-National to Phnom Penh?
Yes. Cheapflights offers flight deals from Reagan-National to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh (average of $991). Flying from Washington, D.C. Reagan-National Airport to Phnom Penh in June is currently the most expensive (average of $1,582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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$1,063+ Cheap flights from Reagan-National (DCA) to Phnom Penh (PNH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Phnom Penh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Phnom Penh

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Phnom Penh

Cheapest flights from Reagan-National to Phnom PenhExplore the most affordable flight options available from Reagan-National to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Reagan-National to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Phnom Penh that are best for you.

Compare providers for flights from Reagan-National to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Phnom Penh in April.

Best time to book a flight from Reagan-National to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Phnom Penh

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

Reviews of airlines servicing Phnom Penh

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Phnom Penh from Washington, D.C. Reagan-National?

Can I find deals for flights from Reagan-National to Phnom Penh that include hotel bookings?

How can I find direct flights from Reagan-National to Phnom Penh?

Can I find deals for business class flights from Reagan-National to Phnom Penh?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Phnom Penh?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Phnom Penh

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Cheapest flights from Reagan-National to Phnom Penh
Explore the most affordable flight options available from Reagan-National to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.