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Dulles Intl

$782+ Cheap flights from Phnom Penh (PNH) to Dulles Intl (IAD)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Phnom Penh to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$1,276
(FlightHub)

One-way from

$782
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,886
Provider with most accurate pricing for Phnom Penh Pochentong-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Washington, D.C. Dulles Intl flights.
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From Phnom Penh Pochentong to Washington, D.C. Dulles Intl
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One-way flight from Phnom Penh Pochentong to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 6% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($56 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 Phnom Penh to Dulles Intl

Cheapest flights from Phnom Penh to Dulles Intl
Explore the most affordable flight options available from Phnom Penh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 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.
Wed 5/146:20 pmPNH - IAD
2 stops49h 20mMultiple Airlines
Thu 5/2210:55 amIAD - PNH
2 stops36h 05mMultiple Airlines
Deal found 4/28$1,276
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 5/1012:35 pmPNH - IAD
2 stops38h 25mEVA Air
Sat 5/246:15 pmIAD - PNH
2 stops30h 00mEVA Air
Deal found 4/28$1,369
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1011:30 pmPNH - IAD
1 stop22h 45mKorean Air
Sat 5/246:17 pmIAD - PNH
2 stops40h 53mKorean Air
Deal found 4/28$2,046
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:40 pmPNH - IAD
1 stop33h 00mQatar Airways
Thu 5/229:00 pmIAD - PNH
1 stop32h 15mQatar Airways
Deal found 4/28$2,174
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.
Tue 6/241:15 amPNH - IAD
2 stops41h 12mPhilippine Airlines
Sun 7/68:19 pmIAD - PNH
2 stops40h 56mPhilippine Airlines
Deal found 4/28$6,289
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:25 amPNH - IAD
2 stops41h 50mSWISS
Thu 6/198:45 pmIAD - PNH
2 stops48h 55mSWISS
Deal found 4/27$8,248
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/58:50 pmPNH - IAD
2 stops46h 50mEmirates
Thu 6/193:35 pmIAD - PNH
3 stops38h 00mEmirates
Deal found 4/27$17,600

Cheapflights Fare Finder

Customize your flight search to find flights from Phnom Penh to Dulles Intl 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 29, 2025.
Use the filters below to find and compare flights from Phnom Penh to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Phnom Penh

Fly to

Dulles Intl

Route

Depart

Return

Price

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 5/14

6:20 pm-8:40 am

2 stops49h 20m

Washington, D.C. Dulles Intl

Thu 5/22

10:55 am-10:00 am

2 stops36h 05m

$1,276

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 5/10

12:35 pm-4:00 pm

2 stops38h 25m

Washington, D.C. Dulles Intl

Sat 5/24

6:15 pm-11:15 am

2 stops30h 00m

$1,369

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 5/10

11:30 pm-11:15 am

1 stop22h 45m

Washington, D.C. Dulles Intl

Sat 5/24

6:17 pm-10:10 pm

2 stops40h 53m

$2,046

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 5/14

5:40 pm-3:40 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Thu 5/22

9:00 pm-4:15 pm

1 stop32h 15m

$2,174

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 6/24

1:15 am-7:27 am

2 stops41h 12m

Washington, D.C. Dulles Intl

Sun 7/6

8:19 pm-12:15 am

2 stops40h 56m

$6,289

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 6/5

9:25 am-4:15 pm

2 stops41h 50m

Washington, D.C. Dulles Intl

Thu 6/19

8:45 pm-8:40 am

2 stops48h 55m

$8,248

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 6/5

8:50 pm-8:40 am

2 stops46h 50m

Washington, D.C. Dulles Intl

Thu 6/19

3:35 pm-4:35 pm

3 stops38h 00m

$17,600

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 9/6

7:05 pm-7:40 am

1 stop23h 35m

$782

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sun 9/7

11:30 pm-10:55 am

1 stop22h 25m

$1,178

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 7/29

5:40 pm-3:40 pm

1 stop33h 00m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 12 results
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Compare providers for flights from Phnom Penh to Dulles Intl

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 Phnom Penh to Dulles Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 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 Phnom Penh-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Phnom Penh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Phnom Penh-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip 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 Phnom Penh-Washington, D.C. Dulles Intl Airport 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 Phnom Penh to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Phnom Penh 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 Phnom Penh to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Phnom Penh to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Phnom Penh to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 29, 2025.
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,064 reviews
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Emirates
8.0
Very good
3,213 reviews
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
SWISS
7.5
Good
1,587 reviews
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Qatar Airways
7.4
Good
3,561 reviews
EVA Air
8.4
Very good
1,186 reviews

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Dulles Intl. 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 from for flights from Phnom Penh to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Phnom Penh, you will be flying from Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh. There are 0 flights from Pochentong to Washington, D.C. Dulles Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Phnom Penh to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $1,369, EVA Air will fly you from Phnom Penh to Washington, D.C. Dulles Intl Airport and back. In addition to EVA Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Korean Air and Qatar Airways - these airlines can fly you to your destination from $2,046 and $2,174, respectively. Users have found that EVA Air is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Phnom Penh to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Phnom Penh to Washington, D.C. Dulles Intl Airport are Korean Air ($1,178), Qatar Airways ($1,401), and Philippine Airlines ($1,488).

  • Can I find deals for flights from Phnom Penh to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Phnom Penh to Dulles Intl?

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

  • Can I find deals for business class flights from Phnom Penh to Dulles Intl?

    Yes. Cheapflights offers flight deals from Phnom Penh to Dulles Intl 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 Phnom Penh to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Phnom Penh to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

Traveling to a place near Phnom Penh?

Book flights to Phnom Penh if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Towson
National Harbor
Oxon Hill

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Alternative routes for Phnom Penh to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Phnom Penh to Reagan-National flights

Top 2 airlines flying from Phnom Penh to Dulles Intl

Discover the top 2 airlines that operate flights from Phnom Penh to Dulles Intl. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$855Average$937FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,550Average$1,797FlexibilityNo cancel feeOn-time81%

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