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Phnom Penh

$1,063+ Cheap flights from District of Columbia 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.
IAD — PNH
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

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. (WAS)-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Phnom Penh Pochentong flights.
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From District of Columbia 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).
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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 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 April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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 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
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:05 pmIAD - PNH
2 stops31h 30mMultiple Airlines
Wed 10/18:50 pmPNH - IAD
2 stops54h 20mMultiple Airlines
Deal found 4/28$1,159
This oojo deal was found by Cheapflights users on 4/28. 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 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
This oojo deal was found by Cheapflights users on 4/29. 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.
Mon 9/226:09 pmIAD - PNH
2 stops28h 41mChina Airlines
Mon 10/205:10 pmPNH - IAD
2 stops23h 45mChina Airlines
Deal found 4/29$1,242
This oojo deal was found by Cheapflights users on 4/28. 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.
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
This oojo deal was found by Cheapflights users on 4/28. 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.
Thu 8/78:19 pmIAD - PNH
2 stops27h 56mEVA Air
Tue 9/3012:35 pmPNH - IAD
2 stops29h 57mEVA Air
Deal found 4/28$1,326
This oojo deal was found by Cheapflights users on 4/28. 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 amPNH - IAD
1 stop44h 10mEtihad Airways
Deal found 4/28$1,334
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Fri 9/129:40 pmIAD - PNH
2 stops23h 55mTurkish Airlines
Sat 9/279:40 amPNH - IAD
2 stops37h 05mTurkish Airlines
Deal found 4/27$1,368
This oojo deal was found by Cheapflights users on 4/28. 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 10/319:05 pmIAD - PNH
2 stops33h 25mMalaysia Airlines
Sat 11/1511:10 amPNH - IAD
2 stops33h 10mMalaysia Airlines
Deal found 4/28$1,410
This oojo deal was found by Cheapflights users on 4/28. 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 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
This oojo deal was found by Cheapflights users on 4/29. 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.
Mon 8/111:30 pmIAD - PNH
1 stop21h 40mKorean Air
Sun 8/3111:30 pmPNH - IAD
1 stop22h 25mKorean Air
Deal found 4/29$1,565
This oojo deal was found by Cheapflights users on 4/28. 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.
Thu 5/19:00 pmIAD - PNH
1 stop32h 15mQatar Airways
Thu 5/295:40 pmPNH - IAD
2 stops26h 00mQatar Airways
Deal found 4/28$1,618

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 April 30, 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

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

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sun 7/13

7:59 pm-10:15 am

2 stops51h 16m

Phnom Penh Pochentong

Fri 8/1

6:30 pm-4:25 pm

2 stops56h 55m

$1,383

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 5/14

7:00 am-11:15 am

2 stops41h 15m

Phnom Penh Pochentong

Sun 5/18

12:35 pm-4:14 pm

2 stops38h 39m

$1,393

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sun 5/25

1:30 pm-8:50 am

2 stops32h 20m

Phnom Penh Pochentong

Sun 6/15

9:40 am-11:45 am

2 stops37h 05m

$1,471

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sun 7/20

11:00 am-10:00 am

2 stops36h 00m

Phnom Penh Pochentong

Wed 8/20

11:10 am-8:40 am

2 stops32h 30m

$1,503

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

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 5/14

6:30 am-12:15 am

2 stops54h 45m

Phnom Penh Pochentong

Sat 5/17

1:15 am-7:36 am

2 stops41h 21m

$1,702

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sat 6/28

7:59 pm-4:05 pm

2 stops33h 06m

Phnom Penh Pochentong

Fri 8/8

10:50 am-6:50 am

2 stops31h 00m

$1,748

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 29 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 $1,582). 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 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 April 30, 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 April 30, 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
1,186 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

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

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,066 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

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

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

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

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

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

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

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

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 $2,518. Users have also found prices from $4,365 and $8,537 on Korean Air and Singapore 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 $991). Flying from District of Columbia 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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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,048Average$1,118FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,239Average$1,419FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,299Average$1,559FlexibilityNo cancel feeOn-time68%
Malaysia AirlinesCheapest$1,334Average$1,384FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,339Average$1,810FlexibilityNo cancel feeOn-time81%

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