Cheap flights from Washington, D.C. (WAS) to Phnom Penh (PNH) from $652

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.
WAS — PNH
Jun 6 — Jun 131

The best prices from Washington, D.C. to Phnom Penh Pochentong are usually found in October or February, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from Washington, D.C. (WAS) to Phnom Penh (PNH)

All the information you need to plan the best WAS to PNH flight in 2023: compare Washington, D.C. to Phnom Penh flight prices with the expected peak season, weather and rainfall in Phnom Penh.

Popular in

June

Cheapest in

October

Round-trip from

$1,049

One-way from

$1,001
High demand for flights, 20% potential price rise
Best time to find cheap flights, 28% potential price drop
From Washington, D.C. (WAS) to Phnom Penh Pochentong
One-way flight from Washington, D.C. (WAS) to Phnom Penh Pochentong

WAS - PNH

Price

$1,049 - $1,942

PNH

Temperature

77 - 84.2 °F

PNH

Rainfall

0 - 9.8 inches

Cheap flights from Washington, D.C. to Phnom Penh in June, July 2023

The best prices found for WAS to PNH flights for June, July
Check out some of the best flight deals from Washington, D.C. to Phnom Penh in 2023. For more flight deals, be sure to check back very soon.

Washington, D.C. to Phnom Penh 2023 flight deals

Cheap flights to Phnom Penh from Washington, D.C. found for this year
Check out some of the best flight deals from Washington, D.C. to Phnom Penh in 2023. For more flight deals, be sure to check back very soon.

Cheap Qatar Airways flights from Washington, D.C. to Phnom Penh

Take a peek at the cheapest Qatar Airways flights we've detected traveling from Washington, D.C. to Phnom Penh. Come back soon if you're not finding the exact deal you're looking for.

Cheap Singapore Airlines flights from Washington, D.C. to Phnom Penh

Browse through some of the cheapest Singapore Airlines flights traveling from Washington, D.C. to Phnom Penh. Ensure the flight price, dates, time, and airline match your criteria before you book.

Last minute flights from Washington, D.C. to Phnom Penh

Late deals on return flights to Phnom Penh from Washington, D.C., departing today and this week
Book one of these great deals on flights from Washington, D.C. to Phnom Penh. Tip: verify your flight details before completing your reservation.

One-way flights to Phnom Penh from Washington, D.C.

The cheapest one-way flights from Washington, D.C. to Phnom Penh
Users traveling one-way from Washington, D.C. to Phnom Penh can select one of these great deals. Users in need of a round-trip flight from Washington, D.C. to Phnom Penh instead should update the search form at the top of page.

Find flights from Washington, D.C. to Phnom Penh within your budget

Use the slider to find flights from Washington, D.C. to Phnom Penh that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,142 - $2,334

Route

Depart

Return

Price

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 9/20

2 stops30h 55m

Phnom Penh Pochentong

Wed 10/18

2 stops28h 20m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 9/20

2 stops34h 35m

Phnom Penh Pochentong

Wed 10/18

2 stops28h 20m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 8/24

2 stops40h 45m

Phnom Penh Pochentong

Mon 9/25

2 stops35h 25m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Mon 11/13

2 stops30h 30m

Phnom Penh Pochentong

Wed 11/29

2 stops32h 20m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 10/11

2 stops33h 55m

Phnom Penh Pochentong

Wed 3/6

2 stops44h 25m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 8/24

3 stops34h 20m

Phnom Penh Pochentong

Mon 9/25

3 stops41h 40m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 9/20

1 stop21h 45m

Phnom Penh Pochentong

Tue 10/17

1 stop22h 00m

Washington, D.C. Dulles IntlPhnom Penh Pochentong

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Wed 9/20

3 stops38h 00m

Phnom Penh Pochentong

Wed 10/18

2 stops39h 05m

Washington, D.C. Reagan-NationalPhnom Penh Pochentong

DCA - PNH

DCAPNH

Washington, D.C. Reagan-National

Wed 9/20

3 stops40h 15m

Phnom Penh Pochentong

Wed 10/18

3 stops30h 19m

Flights are sorted by cheapest first

Deals found on 6/1

Reviews of Airlines Servicing Phnom Penh

To help decide which airline to fly from Washington, D.C. to Phnom Penh, see what other customers have to say about Qatar Airways, Singapore Airlines and Korean Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

Korean Air
8.2
Very good
240 reviews
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

Singapore Airlines
8.2
Very good
302 reviews
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

United Airlines
7.6
Good
1,531 reviews
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

Austrian Airlines
7.5
Good
150 reviews
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

Qatar Airways
7.3
Good
1,339 reviews
Korean Air
8.2
Very good
240 reviews

Food

8.0

Comfort

8.1

Crew

8.6

Overall

8.2

Boarding

8.3

Entertainment

8.2

Reviews

1 / 10

Out of all airlines, I find the Korean Air airborne staff to be super efficient and courteous.

Related info for your journey

Useful info, stats and facts about Washington, D.C. to Phnom Penh flights.

Other flights from Washington, D.C.

Top 4 airlines flying from Washington, D.C. to Phnom Penh

The chart below displays the airlines Cheapflights users traveling from Washington, D.C. to Phnom Penh choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Singapore AirlinesCheapest$1,140Average$1,323FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
Etihad AirwaysCheapest$1,147Average$1,259FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Etihad Airways flights
Korean AirCheapest$1,454Average$1,977FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights
Qatar AirwaysCheapest$1,525Average$1,851FlexibilityNo cancel feeOn-time68%COVID-19 safety
Search Qatar Airways flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.