$511+ Cheap flights from District of Columbia 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from District of Columbia to Phnom Penh with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 24, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,107 (Mytrip) |
One-way from | $511 (StudentUniverse) |
Popular in | May |
Cheapest in | September |
Average price | $1,391 |
Find flight deals from District of Columbia to Phnom Penh
Cheapest flights from District of Columbia to Phnom PenhExplore 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 24, 2025.
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 24, 2025.
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/22. 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.
This China Airlines deal was found by Cheapflights users on 4/21. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 4/22. 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.
This oojo deal was found by Cheapflights users on 4/22. 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.
This Gurufare deal was found by Cheapflights users on 4/21. 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.
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/21. 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.
This Gurufare deal was found by Cheapflights users on 4/23. 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.
This oojo deal was found by Cheapflights users on 4/22. 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.
This oojo deal was found by Cheapflights users on 4/22. 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.
This FlightHub deal was found by Cheapflights users on 4/22. 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.
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 24, 2025.
Use the filters below to find and compare flights from District of Columbia to Phnom Penh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Fri 6/6
11:00 am-8:55 am
3 stops34h 55m
Phnom Penh Pochentong
Fri 6/13
4:40 pm-7:40 am
2 stops26h 00m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Tue 9/2
1:30 pm-8:50 am
2 stops32h 20m
Phnom Penh Pochentong
Tue 9/23
9:40 am-7:45 pm
2 stops45h 05m
Washington, D.C.Phnom Penh
DCA - PNH
DCAPNH
Washington, D.C. Reagan-National
Tue 9/2
9:00 am-11:15 am
2 stops39h 15m
Phnom Penh Pochentong
Tue 9/23
12:35 pm-8:59 pm
2 stops43h 24m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Thu 10/16
5:31 pm-5:20 pm
2 stops36h 49m
Phnom Penh Pochentong
Sun 11/9
7:05 pm-10:18 pm
2 stops39h 13m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 10/18
10:05 pm-6:55 am
1 stop21h 50m
Phnom Penh Pochentong
Sat 11/8
3:20 pm-4:05 pm
2 stops36h 45m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 8/2
8:19 pm-4:05 pm
2 stops32h 46m
Phnom Penh Pochentong
Fri 8/15
10:50 am-4:25 pm
2 stops40h 35m
Washington, D.C.Phnom Penh
DCA - PNH
DCAPNH
Washington, D.C. Reagan-National
Sat 8/2
9:59 am-4:05 pm
2 stops43h 06m
Phnom Penh Pochentong
Fri 8/15
10:50 am-9:42 pm
2 stops45h 52m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 10/15
9:00 pm-5:25 pm
2 stops33h 25m
Phnom Penh Pochentong
Sun 11/9
6:30 pm-3:55 pm
2 stops33h 25m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Tue 10/7
11:00 pm-11:05 pm
1 stop37h 05m
Phnom Penh Pochentong
Mon 10/27
12:25 am-7:30 pm
1 stop30h 05m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Mon 8/11
1:30 pm-10:10 pm
1 stop21h 40m
Phnom Penh Pochentong
Sun 8/31
11:30 pm-10:55 am
1 stop22h 25m
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.
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 $994). 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 24, 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 24, 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.
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Gary,Apr 2025
DPS - TPE
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.
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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.
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 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,048 | Average$1,118 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,239 | Average$1,419 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,299 | Average$1,559 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,334 | Average$1,384 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,339 | Average$1,809 | FlexibilityNo cancel fee | On-time81% |