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Dulles Intl

$673+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — IAD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$968
(Air China)

One-way from

$673
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,577
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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 21, 2025.

This Air China deal was found by Cheapflights users on 1/20. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1412:25 amPNH - IAD
1 stop25h 45mAir China
Tue 3/255:35 pmIAD - PNH
2 stops42h 35mAir China
Deal found 1/20$968
This Trip.com deal was found by Cheapflights users on 1/20. 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.
Tue 3/1812:10 pmPNH - IAD
2 stops43h 20mMultiple Airlines
Tue 3/253:00 pmIAD - PNH
2 stops38h 45mMultiple Airlines
Deal found 1/20$1,165
This KAYAK deal was found by Cheapflights users on 1/19. 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 3/611:45 pmPNH - IAD
1 stop22h 05mKorean Air
Thu 3/2012:50 pmIAD - PNH
1 stop22h 35mKorean Air
Deal found 1/19$1,575
This Emirates deal was found by Cheapflights users on 1/19. 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 3/69:30 pmPNH - IAD
2 stops46h 40mEmirates
Wed 3/1911:15 amIAD - PNH
2 stops44h 10mEmirates
Deal found 1/19$1,683
This FlightHub deal was found by Cheapflights users on 1/19. 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 3/512:30 amPNH - IAD
2 stops32h 40mAsiana Airlines
Thu 3/206:00 amIAD - PNH
2 stops30h 20mAsiana Airlines
Deal found 1/19$1,698

Find flights from Phnom Penh to Dulles Intl within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 3/14

12:25 am-3:10 pm

1 stop25h 45m

Washington, D.C. Dulles Intl

Tue 3/25

5:35 pm-11:10 pm

2 stops42h 35m

$968

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 3/18

12:10 pm-8:30 pm

2 stops43h 20m

Washington, D.C. Dulles Intl

Tue 3/25

3:00 pm-4:45 pm

2 stops38h 45m

$1,165

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 3/6

11:45 pm-9:50 am

1 stop22h 05m

Washington, D.C. Dulles Intl

Wed 3/19

12:50 pm-10:25 pm

1 stop22h 35m

$1,575

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 3/6

9:30 pm-8:10 am

2 stops46h 40m

Washington, D.C. Dulles Intl

Wed 3/19

11:15 am-6:25 pm

2 stops44h 10m

$1,683

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Wed 3/5

12:30 am-9:10 pm

2 stops32h 40m

Washington, D.C. Dulles Intl

Thu 3/20

6:00 am-11:20 pm

2 stops30h 20m

$1,698

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 3/1

7:10 am-2:45 pm

3 stops43h 35m

$673

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 2/28

12:25 am-2:10 pm

1 stop25h 45m

$707

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Thu 3/13

11:45 pm-10:50 am

1 stop22h 05m

$1,178

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Sat 4/26

5:30 pm-8:45 am

1 stop26h 15m

$1,223

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 4/25

1:15 am-4:38 pm

2 stops50h 23m

$1,475

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 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 Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust 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 Phnom Penh-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Phnom Penh to Dulles Intl

Get recent, data-driven insights about flights from Phnom Penh to Dulles Intl including ideal travel times, pricing trends, and more.

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 $389). 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 January 21, 2025.
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very good
3,358 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,754 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Philippine Airlines
7.3
Good
922 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 $968, Air China will fly you from Phnom Penh to Washington, D.C. Dulles Intl Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Korean Air and Emirates - these airlines can fly you to your destination from $1,575 and $1,683, respectively. Users have found that Air China is 50% 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 Air China ($707), Korean Air ($1,178), and Qatar Airways ($1,223).

  • 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 $389). 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
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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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 airline flying from Phnom Penh to Dulles Intl

Discover the top airline 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,533Average$1,829FlexibilityNo cancel feeOn-time81%
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