Cheap flights from Washington, D.C. to Phnom Penh from £489

Cheap flights from Washington, D.C. to Phnom Penh from £489

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Phnom Penh

3 stops
Tue, Aug 4
Washington, D.C. IADPhnom Penh KTI
£489
Search
2 stops
Wed, Aug 5
Washington, D.C. IADPhnom Penh KTI
£493
Search
2 stops
Fri, Aug 7
Washington, D.C. IADPhnom Penh KTI
£506
Search
2 stops
Tue, Aug 4
Washington, D.C. IADPhnom Penh KTI
£517
Search
2 stops
Thu, Aug 6
Washington, D.C. IADPhnom Penh KTI
£517
Search
2 stops
Mon, Aug 3
Washington, D.C. IADPhnom Penh KTI
£517
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

2 stops
Wed, Aug 5 – Wed, Aug 12
Washington, D.C. IADPhnom Penh KTI
£1,111
Search
2 stops
Wed, Aug 5 – Wed, Aug 12
Washington, D.C. IADPhnom Penh KTI
£1,145
Search
2 stops
Fri, Aug 7 – Wed, Aug 12
Washington, D.C. IADPhnom Penh KTI
£1,164
Search
2 stops
Fri, Aug 7 – Wed, Aug 12
Washington, D.C. IADPhnom Penh KTI
£1,178
Search
2 stops
Wed, Aug 5 – Tue, Aug 11
Washington, D.C. IADPhnom Penh KTI
£1,208
Search
2 stops
Tue, Aug 4 – Tue, Aug 11
Washington, D.C. IADPhnom Penh KTI
£1,232
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to Phnom Penh cost?

Cheapest one-way trip

£489

Cheapest round-trip

£1,111

Average round-trip

£1,226

Includes rare itinerary

Travel hack

Most popular airline

Korean Air

Getting from Phnom Penh airport to the city center

Fastest options: taxi and ride-hailing services. Best value: airport shuttle bus and tuk-tuk.

Phnom Penh is served by Phnom Penh International Airport (PNH), located approximately 10 km west of the city center. The airport offers several airport transfers to city center options including taxis, ride-hailing services, tuk-tuks, and shuttle buses. Journey times typically range from 20 to 45 minutes depending on traffic conditions, which can be heavy during peak hours. Most transport options are available around the clock, though frequencies may vary at night.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

20-40 min

៛36,000 – ៛48,000; KHR 36,000–48,000 (USD 9–12); fixed rate to city center

on-demand 24/7 (traffic dependent)

convenience and comfort

20-40 min

៛20,000 – ៛36,000; KHR 20,000–36,000 (USD 5–9); price varies with demand

on-demand 24/7 (traffic dependent)

app-based booking

25-45 min

៛16,000 – ៛28,000; KHR 16,000–28,000 (USD 4–7); negotiate before departure

on-demand (traffic dependent)

budget travelers

20-40 min

៛16,000 – ៛32,000; KHR 16,000–32,000 (USD 4–8); local ride-hailing app

on-demand 24/7 (traffic dependent)

local app users

20-35 min

៛60,000 – ៛100,000; KHR 60,000–100,000 (USD 15–25); pre-booked service

pre-booked (traffic dependent)

groups and families

15-30 min

៛8,000 – ៛16,000; KHR 8,000–16,000 (USD 2–4); not suitable for luggage

on-demand (traffic dependent)

solo travelers, light luggage

Notes:

  • Prices in KHR with USD equivalents; table created in 2025 and subject to change.
  • US dollars are widely accepted in Cambodia; small change may be given in Cambodian riel.
  • Tuk-tuk and motorbike taxi fares should be negotiated before departure.
  • Traffic congestion is common during morning and evening rush hours.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Phnom Penh

Depart from
Washington Dulles International
Arrive to
Techo International Airport
Average flights per week
400
Flight distance

Check-in for a flight from Washington, D.C. to Phnom Penh

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
Frontier AirlinesFFTF9No
Cathay PacificCPACXNo
Air CanadaACAACYes
Thai AirwaysTHATGNo

Online check-in is not available for these airlines.

Weather in Phnom Penh

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January32°C22°C
February34°C23°C
March36°C25°C
April35°C26°C
May34°C26°C
June33°C25°C
July32°C25°C
August32°C25°C
September31°C25°C
October31°C24°C
November30°C23°C
December30°C22°C
Hottest Month
36°C
March
Coldest month
22°C
January
Sunny days
203
days per year

14 day forecast

Saturday
18 Jul
17%
37°C25°C
25 Jul
65%
32°C24°C
Sunday
19 Jul
17%
37°C26°C
26 Jul
34°C25°C
Monday
20 Jul
38°C24°C
27 Jul
12%
33°C26°C
Tuesday
21 Jul
38°C24°C
28 Jul
17%
31°C26°C
Wednesday
22 Jul
57%
36°C25°C
29 Jul
34°C26°C
Thursday
23 Jul
75%
34°C25°C
30 Jul
33°C26°C
Friday
24 Jul
69%
28°C25°C
31 Jul
33°C26°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Phnom Penh. The most popular airlines for this route are Korean Air, Frontier Airlines, Cathay Pacific, Air Canada, and Thai Airways. Washington, D.C. and Phnom Penh have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.
What are the most popular routes to and from Phnom Penh?
Travelers frequently search for route combinations, such as Phnom Penh and Bangkok, London, Ho Chi Minh City, Siem Reap, Denpasar, Kuala Lumpur, Phuket Province, Bali, Phuket City, Chiang Mai, Singapore, Perth, Hanoi, Manila, Manchester, Da Nang, Melbourne, Jakarta, Krabi, Tokyo.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster.
What airports are near Phnom Penh?
The main airport in Phnom Penh is Phnom Penh International. It is also served by Tan Son Nhat International, Sihanoukville International, Can Tho International, Rach Gia.
Which airlines fly between Washington, D.C. and Phnom Penh?
Currently, you can fly between Washington, D.C. and Phnom Penh with Korean Air, Frontier Airlines, Cathay Pacific, Air Canada, Thai Airways.
When’s the best time to travel between Washington, D.C. and Phnom Penh?
If you don’t have specific dates for your trip between Washington, D.C. and Phnom Penh, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Washington, D.C. and Phnom Penh?
Traveling between Washington, D.C. and Phnom Penh, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Washington, D.C.?
There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional, Lancaster
How many airports are there near Phnom Penh?
What time do nonstop (direct) flights between Washington, D.C. and Phnom Penh depart?
What time do nonstop (direct) flights between Washington, D.C. and Phnom Penh arrive?
What time do flights between Washington, D.C. and Phnom Penh depart?
What time do flights between Washington, D.C. and Phnom Penh arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

Search flightsSearch direct flights

Explore alternative trips

Flights from Washington, D.C.

Flights to Phnom Penh

Popular routes

The nearest countries with flights to Phnom Penh

Here is a list of countries people are flying from

Other destination countries from Washington, D.C.

Here is a list of countries people are flying to

Airports near Washington, D.C.

Airports near Phnom Penh

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Search flights
Find the best connection from Washington, D.C. to Phnom Penh

Search, compare, and book flights to get there.

Search flights