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Phnom Penh

$488+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PNH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,053
(oojo)

One-way from

$488
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,700
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 ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 10/2510:05 pmIAD - PNH
1 stop21h 25mEtihad Airways
Tue 11/47:55 pmPNH - IAD
1 stop32h 10mEtihad Airways
Deal found 6/10$1,053
This oojo deal was found by Cheapflights users on 6/11. 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 stops56h 05mAsiana Airlines
Deal found 6/11$1,082
This oojo deal was found by Cheapflights users on 6/11. 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 11/57:43 amIAD - PNH
2 stops52h 32mPhilippine Airlines
Thu 11/131:15 amPNH - IAD
2 stops41h 08mPhilippine Airlines
Deal found 6/11$1,237
This oojo deal was found by Cheapflights users on 6/11. 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 11/57:43 amIAD - PNH
2 stops51h 12mAsiana Airlines
Sun 11/1611:55 pmPNH - IAD
2 stops52h 51mAsiana Airlines
Deal found 6/11$1,242
This oojo deal was found by Cheapflights users on 6/11. 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 11/16:11 pmIAD - PNH
2 stops35h 04mChina Airlines
Thu 11/205:20 pmPNH - IAD
2 stops25h 03mChina Airlines
Deal found 6/11$1,247
This oojo deal was found by Cheapflights users on 6/12. 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 8/111:30 pmIAD - PNH
1 stop21h 40mKorean Air
Sun 8/3111:30 pmPNH - IAD
1 stop22h 25mKorean Air
Deal found 6/12$1,249
This oojo deal was found by Cheapflights users on 6/10. 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 10/299:05 pmIAD - PNH
2 stops31h 20mQatar Airways
Fri 1/235:10 pmPNH - IAD
2 stops34h 45mQatar Airways
Deal found 6/10$1,353
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:19 pmIAD - PNH
2 stops26h 56mMultiple Airlines
Tue 7/2211:25 amPNH - IAD
2 stops40h 00mMultiple Airlines
Deal found 6/10$1,361
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Thu 12/256:55 pmIAD - PNH
2 stops49h 40mSingapore Airlines
Thu 1/229:35 amPNH - IAD
2 stops44h 20mSingapore Airlines
Deal found 6/11$1,451
This oojo deal was found by Cheapflights users on 6/11. 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 8/19:59 amDCA - PNH
2 stops36h 51mChina Airlines
Sun 8/3110:50 amPNH - DCA
2 stops42h 09mChina Airlines
Deal found 6/11$1,455
This oojo deal was found by Cheapflights users on 6/10. 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 7/19:59 amDCA - PNH
2 stops38h 16mEVA Air
Tue 7/2212:35 pmPNH - DCA
2 stops40h 23mEVA Air
Deal found 6/10$1,492
This oojo deal was found by Cheapflights users on 6/10. 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 10/298:25 amDCA - PNH
2 stops28h 50mPhilippine Airlines
Thu 1/221:15 amPNH - DCA
2 stops31h 40mPhilippine Airlines
Deal found 6/10$1,528

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 June 12, 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

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

$1,053

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 stops56h 05m

$1,082

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 11/5

7:43 am-12:15 am

2 stops52h 32m

Phnom Penh Pochentong

Thu 11/13

1:15 am-6:23 am

2 stops41h 08m

$1,237

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 11/5

7:43 am-10:55 pm

2 stops51h 12m

Phnom Penh Pochentong

Sun 11/16

11:55 pm-4:46 pm

2 stops52h 51m

$1,242

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sat 11/1

6:11 pm-4:15 pm

2 stops35h 04m

Phnom Penh Pochentong

Thu 11/20

5:20 pm-6:23 am

2 stops25h 03m

$1,247

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 8/11

1:30 pm-10:10 pm

1 stop21h 40m

Phnom Penh Pochentong

Sun 8/31

11:30 pm-10:55 am

1 stop22h 25m

$1,249

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 10/29

9:05 pm-3:25 pm

2 stops31h 20m

Phnom Penh Pochentong

Fri 1/23

5:10 pm-3:55 pm

2 stops34h 45m

$1,353

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 7/1

8:19 pm-10:15 am

2 stops26h 56m

Phnom Penh Pochentong

Tue 7/22

11:25 am-4:25 pm

2 stops40h 00m

$1,361

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Fri 8/1

9:59 am-9:50 am

2 stops36h 51m

Phnom Penh Pochentong

Sun 8/31

10:50 am-5:59 pm

2 stops42h 09m

$1,455

Washington, D.C.Phnom Penh

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Tue 7/1

9:59 am-11:15 am

2 stops38h 16m

Phnom Penh Pochentong

Tue 7/22

12:35 pm-5:58 pm

2 stops40h 23m

$1,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 33 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 $991). Flying from District of Columbia to Phnom Penh in June is currently the most expensive (average of $1,570). 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 June 12, 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.

Rainfall in Phnom Penh by month

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

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

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 June 12, 2025.
To help decide which airline to fly from District of Columbia to Phnom Penh, see what other customers have to say about EVA Air, Korean Air and China Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

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 Cathay Pacific. According to our data, you can fly for as low as $651. Users have also found prices from $690 and $708 on China Airlines and Korean Air, 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 $991). Flying from District of Columbia to Phnom Penh in June is currently the most expensive (average of $1,570). 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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Top 5 airlines flying from District of Columbia to Phnom Penh

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,048Average$1,110FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,299Average$1,559FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,304Average$1,790FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$1,311Average$1,419FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$1,334Average$1,382FlexibilityNo cancel feeOn-time67%

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