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Phnom Penh

$571+ Cheap flights from Dulles Intl (IAD) 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PNH
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Phnom Penh Pochentong are usually found in March or October, booked 29 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Dulles Intl to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Phnom Penh (PNH). 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 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,314
(United Airlines)

One-way from

$571
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,501
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Phnom Penh Pochentong flights.
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From Washington, D.C. Dulles Intl to Phnom Penh Pochentong
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One-way flight from Washington, D.C. Dulles Intl to Phnom Penh Pochentong
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Dulles Intl to Phnom Penh

Cheapest flights from Dulles Intl to Phnom Penh
Explore the most affordable flight options available from Dulles Intl to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/22:42 pmIAD - PNH
2 stops35h 23mMultiple Airlines
Sun 2/911:45 pmPNH - IAD
2 stops33h 08mMultiple Airlines
Deal found 1/15$1,314
This Korean Air deal was found by Cheapflights users on 1/15. 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.
Tue 3/411:50 amIAD - PNH
1 stop22h 35mKorean Air
Sun 3/3011:40 pmPNH - IAD
1 stop22h 35mKorean Air
Deal found 1/15$1,386
This oojo deal was found by Cheapflights users on 1/15. 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 2/1812:35 pmIAD - PNH
2 stops46h 35mAir China
Mon 3/1712:25 amPNH - IAD
1 stop25h 45mAir China
Deal found 1/15$1,415
This Gurufare deal was found by Cheapflights users on 1/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:00 pmIAD - PNH
3 stops52h 40mSingapore Airlines
Wed 9/176:55 pmPNH - IAD
3 stops56h 55mSingapore Airlines
Deal found 1/15$1,469
This Malaysia Airlines deal was found by Cheapflights users on 1/15. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:05 pmIAD - PNH
2 stops33h 25mMalaysia Airlines
Sun 3/306:20 pmPNH - IAD
2 stops32h 50mMalaysia Airlines
Deal found 1/15$1,511
This oojo deal was found by Cheapflights users on 1/16. 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 4/2310:00 amIAD - PNH
2 stops51h 15mPhilippine Airlines
Tue 4/291:15 amPNH - IAD
2 stops41h 28mPhilippine Airlines
Deal found 1/16$1,649
This United deal was found by Cheapflights users on 1/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:17 pmIAD - PNH
2 stops41h 03mUnited Airlines
Mon 3/1712:30 amPNH - IAD
2 stops41h 20mUnited Airlines
Deal found 1/15$1,674
This FlightHub deal was found by Cheapflights users on 1/15. 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.
Mon 4/710:55 amIAD - PNH
1 stop42h 40mEmirates
Sat 5/109:25 amPNH - IAD
2 stops34h 15mEmirates
Deal found 1/15$1,696
This StudentUniverse deal was found by Cheapflights users on 1/14. 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.
Sun 10/2610:30 pmIAD - PNH
1 stop21h 50mEtihad Airways
Sun 11/97:25 pmPNH - IAD
2 stops32h 40mEtihad Airways
Deal found 1/14$1,736

Find flights from Dulles Intl to Phnom Penh within your budget

Customize your flight search to find flights from Dulles Intl 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Sun 2/2

2:42 pm-2:05 pm

2 stops35h 23m

Phnom Penh Pochentong

Sun 2/9

11:45 pm-8:53 pm

2 stops33h 08m

$1,314

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 3/4

11:50 am-10:25 pm

1 stop22h 35m

Phnom Penh Pochentong

Sun 3/30

11:40 pm-11:15 am

1 stop22h 35m

$1,386

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 2/18

12:35 pm-11:10 pm

2 stops46h 35m

Phnom Penh Pochentong

Mon 3/17

12:25 am-3:10 pm

1 stop25h 45m

$1,415

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 3/4

8:05 pm-5:30 pm

2 stops33h 25m

Phnom Penh Pochentong

Sun 3/30

6:20 pm-4:10 pm

2 stops32h 50m

$1,511

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Tue 2/18

6:17 pm-11:20 pm

2 stops41h 03m

Phnom Penh Pochentong

Mon 3/17

12:30 am-6:50 am

2 stops41h 20m

$1,674

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 4/7

10:55 am-4:35 pm

1 stop42h 40m

Phnom Penh Pochentong

Sat 5/10

9:25 am-8:40 am

2 stops34h 15m

$1,696

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Fri 2/28

6:48 pm-8:35 am

2 stops49h 47m

Phnom Penh Pochentong

Wed 4/2

6:55 pm-5:22 pm

3 stops57h 27m

$1,906

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 4/2

7:00 am-12:15 am

2 stops54h 15m

Phnom Penh Pochentong

Thu 4/17

1:15 am-5:34 am

2 stops39h 19m

$2,037

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 2/17

9:30 pm-4:30 pm

3 stops55h 00m

$571

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 2/17

11:50 am-10:25 pm

1 stop22h 35m

$1,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Dulles Intl to Phnom Penh

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 Dulles Intl to Phnom Penh in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy2 starsTrust Score*2 stars
FlightnetworkPrice Accuracy2 starsTrust Score*1 star
KAYAKPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 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 Washington, D.C. Dulles Intl Airport-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Phnom Penh 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 Washington, D.C. Dulles Intl Airport-Phnom Penh 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 Dulles Intl to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Dulles Intl 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 Dulles Intl to Phnom Penh

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Phnom Penh. Price data was last updated on January 10, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Phnom Penh is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phnom Penh (average of $1,014). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to PNH?

Find hourly flight availability from Dulles Intl 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 January 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Phnom Penh in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Phnom Penh?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Phnom Penh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Phnom Penh flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 16, 2025.
Read reviews from past customers who have flown Korean Air and Air China from Washington, D.C. to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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
3,350 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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.

Singapore Airlines
8.1
Very good
1,327 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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.

United Airlines
7.4
Good
8,965 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

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 Dulles Intl 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 Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Phnom Penh, you will be flying into Pochentong. Phnom Penh Pochentong (PNH) is just 5.0 mi from the center of the city. Pochentong is the only Phnom Penh airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 5 airlines have flights to Phnom Penh Pochentong from Washington, D.C. Dulles Intl on a regular basis.

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

    Korean Air, at $1,386, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Phnom Penh.Alternate airlines to your destination round-trip include Air China and Malaysia Airlines. Korean Air is currently priced 14% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phnom Penh (average of $1,014). Flying from Washington, D.C. Dulles Intl Airport 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 Dulles Intl to Phnom Penh

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

Top 5 airlines flying from Dulles Intl to Phnom Penh

Discover the top 5 airlines that operate flights from Dulles Intl 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,048Average$1,115FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,239Average$1,386FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,299Average$1,555FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,342Average$1,678FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$1,371Average$1,385FlexibilityNo cancel feeOn-time67%
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