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Dulles Intl

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

PNH — IAD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

February

Average price

$1,710
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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Highest demand for flights based on searches. 15% potential increase in price ($328 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phnom Penh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, March is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. Dulles Intl Airport (average of $912). Flying from Phnom Penh to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,239). 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.

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 October 29, 2025.
Read reviews from past customers who have flown Korean Air and Air China from Phnom Penh to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air China
7.2
Good
117 reviews
Korean Air
8.4
Very good
1,155 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 $855, 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. Check Cheapflights for deals on Korean Air for as low as $1,477. Users have found that Air China is 51% cheaper than the other options available to this destination.

  • 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, March is the cheapest month in which you can book a flight from Phnom Penh to Washington, D.C. Dulles Intl Airport (average of $912). Flying from Phnom Penh to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $2,239). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$855Average$937FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,477Average$1,737FlexibilityNo cancel feeOn-time81%

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