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$1,023+ Cheap flights from Phnom Penh (PNH) to District of Columbia

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Phnom Penh to District of Columbia

Keep the following information in mind while searching for Phnom Penh to District of Columbia flight deals. Data was last updated September 15, 2025.

Round-trip from

$1,734
(Etihad Airways)

One-way from

$1,023
(oojo)
From Phnom Penh Pochentong to District of Columbia
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One-way flight from Phnom Penh Pochentong to District of Columbia
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Find flight deals from Phnom Penh to District of Columbia

Cheapest flights from Phnom Penh to District of Columbia
Explore the most affordable flight options available from Phnom Penh to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Etihad Airways deal was found by Cheapflights users on 9/13. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:55 amPNH - IAD
1 stop43h 55mEtihad Airways
Tue 11/119:10 pmIAD - PNH
1 stop33h 15mEtihad Airways
Deal found 9/13$1,734

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phnom Penh to District of Columbia 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 September 15, 2025.
Use the filters below to find and compare flights from Phnom Penh to District of Columbia that are best for you.

Fly from

Phnom Penh

Fly to

District of Columbia

Route

Depart

Return

Price

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 11/7

7:55 am-3:50 pm

1 stop43h 55m

Washington, D.C. Dulles Intl

Tue 11/11

9:10 pm-6:25 pm

1 stop33h 15m

$1,734

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 12/23

7:55 am-3:50 pm

1 stop43h 55m

$1,023

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 2/6

7:55 am-3:50 pm

1 stop43h 55m

$1,039

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 12/12

7:55 am-5:00 am

2 stops33h 05m

$1,131

Phnom PenhWashington, D.C.

PNH - DCA

PNHDCA

Phnom Penh Pochentong

Fri 12/12

7:55 am-2:24 pm

2 stops42h 29m

$1,303

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Tue 12/23

7:50 pm-8:30 pm

2 stops36h 40m

$1,951

Phnom PenhWashington, D.C.

PNH - IAD

PNHIAD

Phnom Penh Pochentong

Fri 2/6

7:55 am-8:30 pm

2 stops48h 35m

$1,967

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Phnom Penh to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Phnom Penh to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to District of Columbia (average of $292). Flying from Phnom Penh to District of Columbia in April is currently the most expensive (average of $337). 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 PNH to DC?

Find hourly flight availability from Phnom Penh to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Phnom Penh to District of Columbia as you normally would.

How much does it cost to fly round-trip from Phnom Penh to District of Columbia?

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Korean Air and Air China from Phnom Penh to District of Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

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
99 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

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 District of Columbia. 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 District of Columbia?

    Phnom Penh Pochentong (PNH) is the airport you will fly out of if you book a flight from Phnom Penh to District of Columbia. It is only a 5.0 mi journey to Pochentong (PNH) from Phnom Penh’s city center.

  • How long is the flight from Phnom Penh to District of Columbia?

    There are many flights that can get you from Phnom Penh to District of Columbia in 43h 55m. Fly via Etihad Airways to get the fastest option. The distance between Phnom Penh and District of Columbia is about 8939 mi.

  • Can I find deals for flights from Phnom Penh to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Phnom Penh to District of Columbia?

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

  • Can I find deals for business class flights from Phnom Penh to District of Columbia?

    Yes. Cheapflights offers flight deals from Phnom Penh to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Phnom Penh to District of Columbia (average of $292). Flying from Phnom Penh to District of Columbia in April is currently the most expensive (average of $337). 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.

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Top 2 airlines flying from Phnom Penh to District of Columbia

Discover the top 2 airlines that operate flights from Phnom Penh to District of Columbia. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$855Average$937FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,476Average$1,779FlexibilityNo cancel feeOn-time81%

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