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Phnom Penh

$537+ Cheap flights from District of Columbia to Phnom Penh (PNH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PNH
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Phnom Penh

Keep the following information in mind while searching for District of Columbia to Phnom Penh flight deals. Data was last updated July 31, 2025.

Round-trip from

$968
(oojo)

One-way from

$537
(oojo)

Popular in

December

Cheapest in

August

Average price

$1,544
From District of Columbia to Phnom Penh Pochentong
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One-way flight from District of Columbia to Phnom Penh Pochentong
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Highest demand for flights based on searches. 5% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from District of Columbia to Phnom Penh

Cheapest flights from District of Columbia to Phnom Penh
Explore the most affordable flight options available from District of Columbia to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:00 pmIAD - PNH
1 stop37h 10mAir China
Thu 11/612:25 amPNH - IAD
1 stop30h 05mAir China
Deal found 7/30$968
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/258:35 amDCA - PNH
2 stops26h 35mKorean Air
Tue 11/2511:45 pmPNH - DCA
2 stops30h 20mKorean Air
Deal found 7/30$1,050
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:30 pmIAD - PNH
1 stop21h 40mKorean Air
Tue 10/2111:30 pmPNH - IAD
2 stops54h 48mKorean Air
Deal found 7/30$1,050
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:59 amDCA - PNH
2 stops43h 16mChina Airlines
Mon 11/105:20 pmPNH - DCA
2 stops35h 33mChina Airlines
Deal found 7/29$1,113
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:13 pmIAD - PNH
2 stops41h 42mAsiana Airlines
Fri 12/1211:55 pmPNH - IAD
2 stops42h 00mAsiana Airlines
Deal found 7/30$1,115
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:05 pmIAD - PNH
1 stop21h 25mEtihad Airways
Tue 11/47:55 pmPNH - IAD
1 stop32h 10mEtihad Airways
Deal found 7/30$1,116
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:59 amDCA - PNH
2 stops48h 56mAsiana Airlines
Sun 11/1611:55 pmPNH - DCA
2 stops32h 05mAsiana Airlines
Deal found 7/30$1,146
This United deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:58 pmIAD - PNH
2 stops31h 12mMultiple Airlines
Fri 11/79:35 amPNH - IAD
2 stops33h 55mMultiple Airlines
Deal found 7/30$1,164
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:13 pmIAD - PNH
2 stops35h 02mChina Airlines
Mon 11/105:20 pmPNH - IAD
2 stops25h 03mChina Airlines
Deal found 7/29$1,175
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:59 amDCA - PNH
2 stops37h 26mEVA Air
Tue 1/1312:45 pmPNH - DCA
2 stops44h 10mEVA Air
Deal found 7/31$1,247
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:48 pmIAD - PNH
2 stops49h 47mSingapore Airlines
Fri 11/77:40 pmPNH - IAD
2 stops46h 43mSingapore Airlines
Deal found 7/30$1,297
This KAYAK deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:30 amDCA - PNH
2 stops23h 50mCathay Pacific
Sat 8/3011:25 amPNH - DCA
2 stops24h 51mCathay Pacific
Deal found 7/31$1,311

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from District of Columbia to Phnom Penh that are best for you.

Fly from

District of Columbia

Fly to

Phnom Penh

Route

Depart

Return

Price

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Fri 10/24

11:00 pm-11:10 pm

1 stop37h 10m

Phnom Penh Pochentong

Thu 11/6

12:25 am-6:30 pm

1 stop30h 05m

$968

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Mon 8/25

6:05 am-10:10 pm

2 stops29h 05m

Phnom Penh Pochentong

Sun 11/23

11:45 pm-6:05 pm

2 stops30h 20m

$1,050

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 8/20

1:30 pm-10:10 pm

1 stop21h 40m

Phnom Penh Pochentong

Tue 10/21

11:30 pm-7:18 pm

2 stops54h 48m

$1,050

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Sat 11/1

9:59 am-4:15 pm

2 stops43h 16m

Phnom Penh Pochentong

Mon 11/10

5:20 pm-4:53 pm

2 stops35h 33m

$1,113

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 10/28

6:13 pm-10:55 pm

2 stops41h 42m

Phnom Penh Pochentong

Fri 12/12

11:55 pm-5:55 am

2 stops42h 00m

$1,115

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sat 10/25

10:05 pm-6:30 am

1 stop21h 25m

Phnom Penh Pochentong

Tue 11/4

7:55 pm-4:05 pm

1 stop32h 10m

$1,116

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 1/1

1:30 pm-2:40 pm

2 stops37h 10m

Phnom Penh Pochentong

Thu 1/29

7:15 pm-7:15 pm

2 stops36h 00m

$1,132

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Wed 11/5

9:59 am-10:55 pm

2 stops48h 56m

Phnom Penh Pochentong

Sun 11/16

11:55 pm-8:00 pm

2 stops32h 05m

$1,146

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 10/20

6:58 pm-1:10 pm

2 stops31h 12m

Phnom Penh Pochentong

Fri 11/7

9:35 am-7:30 am

2 stops33h 55m

$1,164

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sat 11/1

6:13 pm-4:15 pm

2 stops35h 02m

Phnom Penh Pochentong

Mon 11/10

5:20 pm-6:23 am

2 stops25h 03m

$1,175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 27 results
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Best time to book a flight from District of Columbia to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from District of Columbia 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 District of Columbia to Phnom Penh

What is the cheapest month to book a flight from District of Columbia to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to Phnom Penh (average of $988). Flying from District of Columbia to Phnom Penh in June is currently the most expensive (average of $1,549). 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 time of day to fly from DC to PNH?

Find hourly flight availability from District of Columbia to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Phnom Penh as you normally would.

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and China Airlines from District of Columbia to Phnom Penh by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
468 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,338 reviews
EVA Air
8.4
Very good
1,220 reviews

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Most people fly into Phnom Penh Pochentong (PNH) if they book a flight to Phnom Penh from District of Columbia. Pochentong is conveniently located just 5.0 mi from Phnom Penh’s city center.

  • What are the cheapest airlines to fly from District of Columbia to Phnom Penh one-way?

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $537. Users have also found prices from $627 and $630 on Cathay Pacific and China Airlines, respectively.

  • Can I find deals for flights from District of Columbia to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Phnom Penh?

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

  • Can I find deals for business class flights from District of Columbia to Phnom Penh?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to Phnom Penh (average of $988). Flying from District of Columbia to Phnom Penh in June is currently the most expensive (average of $1,549). 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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Alternative routes for District of Columbia to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Krong Preah Sihanouk flights

Top 6 airlines flying from District of Columbia to Phnom Penh

Discover the top 6 airlines that operate flights from District of Columbia to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,048Average$1,112FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,299Average$1,559FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,302Average$1,727FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$1,311Average$1,603FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$1,334Average$1,382FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$1,415Average$1,415FlexibilityNo cancel feeOn-time76%

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