Latest deals
When to book
FAQs
Price Alerts
Flights to Phnom Penh Pochentong

$3,367 Cheap flights to Phnom Penh

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Phnom Penh departing on 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Phnom Penh

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:25 pm - 10:00 am
IAD
-
PNH
48h 35m
2 stops
British Airways Logo
6:20 pm - 7:40 pm
PNH
-
IAD
36h 20m
2 stops
$3,367British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 7:15 pm
PNH
-
IAD
35h 55m
3 stops
$3,465British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 7:15 pm
PNH
-
IAD
35h 55m
3 stops
$3,466British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 8:20 pm
PNH
-
IAD
37h 00m
2 stops
$3,743British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 7:40 pm
PNH
-
IAD
36h 20m
2 stops
$4,713British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 3:50 pm
PNH
-
IAD
32h 30m
2 stops
$4,715British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
7:15 pm - 10:00 am
IAD
-
PNH
51h 45m
2 stops
British Airways Logo
6:20 pm - 3:45 pm
PNH
-
IAD
32h 25m
3 stops
$4,813British Airways
Thu, Jul 30 - Tue, Aug 11
Multiple Airlines Logo
10:25 pm - 10:00 am
IAD
-
PNH
48h 35m
2 stops
Multiple Airlines Logo
6:20 pm - 7:15 pm
PNH
-
IAD
35h 55m
3 stops
$6,081Multiple Airlines
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
5:40 pm - 10:00 am
IAD
-
PNH
29h 20m
3 stops
British Airways Logo
6:20 pm - 3:45 pm
PNH
-
IAD
32h 25m
3 stops
$8,215British Airways
Thu, Jul 30 - Tue, Aug 11
British Airways Logo
5:40 pm - 10:00 am
IAD
-
PNH
29h 20m
3 stops
British Airways Logo
6:20 pm - 3:45 pm
PNH
-
IAD
32h 25m
3 stops
$8,216British Airways
Thu, Jul 30 - Tue, Aug 11

momondo Fare Finder

 
Locate flights to Phnom Penh Pochentong that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on April 11, 2026.
Use the filters below to find and compare flights to Phnom Penh that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

10:25 pm-10:00 am

2 stops48h 35m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:40 pm

2 stops36h 20m

$3,367

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$3,465

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$3,466

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-8:20 pm

2 stops37h 00m

$3,743

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:40 pm

2 stops36h 20m

$4,713

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:50 pm

2 stops32h 30m

$4,715

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

7:15 pm-10:00 am

2 stops51h 45m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:45 pm

3 stops32h 25m

$4,813

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

10:25 pm-10:00 am

2 stops48h 35m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-7:15 pm

3 stops35h 55m

$6,081
Quickest round-trip

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

5:40 pm-10:00 am

3 stops29h 20m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:45 pm

3 stops32h 25m

$8,215

Washington, D.C.Phnom Penh

IAD - PNH

IADPNH

Washington, D.C. Dulles Intl

Thu 7/30

5:40 pm-10:00 am

3 stops29h 20m

Phnom Penh Pochentong

Tue 8/11

6:20 pm-3:45 pm

3 stops32h 25m

$8,216

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheapest flights to Phnom Penh Pochentong

Find the cheapest flights to Phnom Penh Pochentong from your nearest city or airport
Find flights from Los Angeles to Phnom Penh
CHEAPEST MONTH TO FLY TO PHNOM PENH FROM LOS ANGELESFebruary30% cheaperFlying from Los Angeles to Phnom Penh costs on average just $693 in February
MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM LOS ANGELESJune41% more expensiveIt costs about $1,398 for flights to Phnom Penh from Los Angeles in June
MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM LOS ANGELESJune511% more users visitedMore momondo users searched in flights to Phnom Penh from Los Angeles in June than any other month

Cheap Phnom Penh flight deals and tips

Summary info about Phnom Penh flight prices, duration and airlines

Best Round-Trip Price

$3,367

Fastest flight time

48h 35m

Popular in

December
The best round-trip flight price to Phnom Penh from United States in the last 72 hours is $3,367 (Washington, D.C. Dulles Intl to Phnom Penh Pochentong).
Search Deals
The fastest flight to Phnom Penh from United States takes 48h 35m (Washington, D.C. Dulles Intl to Phnom Penh Pochentong).
Search Deals
December has the highest demand for flights to Phnom Penh, with a 6% price increase on average.
Search Deals

Frequently asked questions about flying to Phnom Penh

What is the cheapest month to fly to Phnom Penh?

In general, November is the cheapest month to fly from United States to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $973. If you aren’t able to travel to Phnom Penh during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,013.

Is there an alternative airport near Phnom Penh?

Phnom Penh Pochentong Airport can be an alternative airport used for travel to Phnom Penh.

Is there a cheaper alternative to flying into Phnom Penh?

With an average price of $234 per person, Phnom Penh Pochentong Airport is the cheapest airport to fly into when planning your trip to Phnom Penh. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Phnom Penh?

In the past two weeks, users have booked deals to Phnom Penh for $67/person, which is 71% cheaper than the average flight to Phnom Penh. To find the cheapest price to Phnom Penh from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Phnom Penh Pochentong Airport?

Prices for flights to Phnom Penh Pochentong Airport are updated daily.

How many operators does momondo search for flights to Phnom Penh Pochentong Airport?

There are 27 operators available for flights to Phnom Penh Pochentong Airport as of April 2026.

How old do you have to be to fly to Phnom Penh Pochentong Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Phnom Penh Pochentong Airport.

What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Phnom Penh?

It is quick and easy to find flights to Phnom Penh on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phnom Penh that suits you.

Can I find flights to Phnom Penh with flexible booking policies on momondo?

Flights to Phnom Penh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Phnom Penh?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Phnom Penh.

I’m not ready to book a flight to Phnom Penh right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Phnom Penh, momondo offers a useful price alert feature which will track prices for flights to Phnom Penh and alert you when they change.

An easier way to manage your Phnom Penh Pochentong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/11
Mon 5/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Phnom Penh