Round-trip from | $1,053 (oojo) |
---|---|
One-way from | $488 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $2,126 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 10/25
10:05 pm-6:30 am
1 stop21h 25m
Phnom Penh Pochentong
Tue 11/4
7:55 pm-4:05 pm
1 stop32h 10m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 11/5
7:43 am-12:15 am
2 stops52h 32m
Phnom Penh Pochentong
Thu 11/13
1:15 am-6:23 am
2 stops41h 08m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 11/5
7:43 am-10:55 pm
2 stops51h 12m
Phnom Penh Pochentong
Sun 11/16
11:55 pm-4:46 pm
2 stops52h 51m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 11/1
6:11 pm-4:15 pm
2 stops35h 04m
Phnom Penh Pochentong
Thu 11/20
5:20 pm-6:23 am
2 stops25h 03m
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
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 10/29
9:05 pm-3:25 pm
2 stops31h 20m
Phnom Penh Pochentong
Fri 1/23
5:10 pm-3:55 pm
2 stops34h 45m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Tue 7/1
8:19 pm-10:15 am
2 stops26h 56m
Phnom Penh Pochentong
Tue 7/22
11:25 am-4:25 pm
2 stops40h 00m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sat 11/1
6:30 am-11:10 pm
2 stops29h 40m
Phnom Penh Pochentong
Wed 11/19
12:25 am-7:21 am
2 stops42h 56m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Wed 10/29
11:15 am-4:35 pm
2 stops42h 20m
Phnom Penh Pochentong
Fri 1/23
8:35 pm-9:05 pm
3 stops36h 30m
Washington, D.C.Phnom Penh
IAD - PNH
IADPNH
Washington, D.C. Dulles Intl
Sun 6/29
7:59 pm-11:15 am
2 stops28h 16m
Phnom Penh Pochentong
Fri 8/8
12:35 pm-6:50 am
2 stops29h 15m
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 $991). Flying from Washington, D.C. Dulles Intl Airport to Phnom Penh in June is currently the most expensive (average of $1,570). 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).
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,May 2025
TPE - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$1,048 | Average$1,110 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$1,299 | Average$1,559 | FlexibilityNo cancel fee | On-time68% | |
Cheapest$1,304 | Average$1,631 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,311 | Average$1,419 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$1,334 | Average$1,382 | FlexibilityNo cancel fee | On-time67% |