Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,162 (China Airlines) |
One-way from | $978 (KAYAK) |
Popular in | June |
Cheapest in | October |
Average price | $1,943 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Mon 4/28
7:13 pm-9:50 am
2 stops27h 37m
Phnom Penh Pochentong
Thu 5/8
5:10 pm-4:00 pm
2 stops33h 50m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Fri 4/25
10:05 pm-8:35 am
2 stops47h 30m
Phnom Penh Pochentong
Sat 5/10
7:25 pm-4:10 pm
2 stops55h 45m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 4/30
9:00 pm-5:25 pm
2 stops33h 25m
Phnom Penh Pochentong
Sun 5/11
11:10 am-3:40 pm
2 stops39h 30m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Fri 6/20
1:30 pm-8:50 am
2 stops32h 20m
Phnom Penh Pochentong
Mon 7/7
9:40 am-11:45 am
2 stops37h 05m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Tue 4/29
5:38 pm-8:40 am
3 stops52h 02m
Phnom Penh Pochentong
Sun 5/11
6:55 pm-4:00 pm
2 stops56h 05m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 6/28
7:59 pm-4:05 pm
2 stops33h 06m
Phnom Penh Pochentong
Fri 8/8
10:50 am-4:25 pm
2 stops40h 35m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Mon 4/28
1:15 pm-10:10 pm
1 stop21h 55m
Phnom Penh Pochentong
Wed 5/7
11:30 pm-11:15 am
1 stop22h 45m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Mon 4/28
12:40 pm-4:35 pm
3 stops40h 55m
Phnom Penh Pochentong
Thu 5/8
8:50 pm-11:58 pm
3 stops38h 08m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Mon 6/30
9:00 pm-4:15 pm
2 stops32h 15m
Phnom Penh Pochentong
Tue 7/15
5:40 pm-8:40 am
1 stop26h 00m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 5/24
7:45 am-10:10 pm
2 stops27h 25m
Phnom Penh Pochentong
Sat 6/7
11:30 pm-11:15 am
1 stop22h 45m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy- | Trust Score*3 stars | |
Price Accuracy- | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*2 stars |
The best time to book flights from Washington, D.C. Dulles Intl Airport to Phnom Penh is 74 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.
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phnom Penh (average of $994). 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.
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.
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.
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).
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$1,048 | Average$1,118 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$1,239 | Average$1,386 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,299 | Average$1,565 | FlexibilityNo cancel fee | On-time68% | |
Cheapest$1,334 | Average$1,384 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$1,340 | Average$1,624 | FlexibilityNo cancel fee | On-time81% |