KTI - WAS

$678 Find Cheap Flights from Phnom Penh to Washington, D.C. - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,189
Typical prices: $1,515-$1,955
Air China, Cathay Pacific
Mon 12/24Tue 1/9
KTI - IAD • 1 stop
Cheapest one-way
$678
Typical prices: $732-$1,332
Multiple Airlines
Sun 4/1
KTI - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Phnom Penh and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $1,272 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 40m (one-way)
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Flight Deals

Cheap Flights from Phnom Penh to Washington, D.C. (KTI-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phnom Penh to Washington, D.C.

Thu, Dec 24 - Sat, Jan 9
Multiple Airlines Logo
12:25 am - 6:30 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
30h 05m1 stop Beijing Capital
Multiple Airlines Logo
6:00 am - 10:25 amIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 25m2 stops Los Angeles Hong Kong Intl
$1,189Multiple Airlines
Mon, Mar 22 - Wed, Mar 31
Multiple Airlines Logo
12:25 am - 7:30 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
30h 05m1 stop Beijing Capital
Multiple Airlines Logo
12:30 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
43h 05m2 stops Tokyo Haneda Bangkok Suvarnabhumi
$1,254Multiple Airlines
Tue, Mar 23 - Wed, Mar 31
Etihad Airways Logo
8:15 am - 10:00 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
36h 45m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:10 pm - 7:10 amIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
29h 00m1 stop Abu Dhabi Zayed Intl
$1,261Etihad Airways
Tue, Mar 23 - Wed, Mar 31
Etihad Airways Logo
8:15 pm - 10:00 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
48h 45m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Etihad Airways Logo
3:10 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 25m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
$1,298Etihad Airways
Fri, Dec 25 - Sat, Jan 9
Etihad Airways Logo
8:15 am - 9:00 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
36h 45m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
2:25 pm - 6:40 amIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
28h 15m1 stop Abu Dhabi Zayed Intl
$1,317Etihad Airways
Sun, Mar 14 - Sat, Mar 27
Turkish Airlines Logo
8:15 pm - 8:25 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
35h 10m2 stops Bangkok Suvarnabhumi Istanbul
Turkish Airlines Logo
10:20 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
29h 20m2 stops Istanbul Bangkok Suvarnabhumi
$1,339Turkish Airlines
Mon, Oct 26 - Fri, Oct 30
Etihad Airways Logo
7:35 pm - 10:00 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
49h 25m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
Etihad Airways Logo
3:25 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 30m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
$1,351Etihad Airways
Mon, Oct 26 - Fri, Oct 30
Etihad Airways Logo
7:55 am - 10:00 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
37h 05m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:25 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 30m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
$1,356Etihad Airways
Sun, Mar 14 - Sat, Mar 27
Turkish Airlines Logo
8:15 pm - 8:25 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
35h 10m2 stops Bangkok Suvarnabhumi Istanbul
Turkish Airlines Logo
10:20 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
29h 20m2 stops Istanbul Bangkok Suvarnabhumi
$1,369Turkish Airlines
Sun, Dec 13 - Sat, Jan 16
Multiple Airlines Logo
6:30 pm - 11:45 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
29h 15m2 stops Kuala Lumpur Intl Istanbul
Multiple Airlines Logo
1:30 pm - 2:35 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
37h 05m2 stops Istanbul Bangkok Suvarnabhumi
$1,373Multiple Airlines
Booking Insights

Price, demand and travel trends for Phnom Penh to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Phnom Penh to Washington, D.C. flight route?

There's little price difference between Phnom Penh to Washington, D.C. routes. They average around $1,641 round-trip, based on KAYAK data over the past 12 months.

Find deals

Key details for Phnom Penh to Washington, D.C. flights

Cheapest flight

$678
One-way flight from Phnom Penh to Washington, D.C. Dulles Intl Airport

When to book flights from Phnom Penh to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Phnom Penh to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Phnom Penh to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Phnom Penh to Washington, D.C.?

    Three cabin classes are available on flights from Phnom Penh to Washington, D.C.:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Phnom Penh to Washington, D.C.?

    A nonstop flight from Phnom Penh to Washington, D.C. takes 00m, covering 8,955 miles.

  • Do I need a passport to fly from Phnom Penh to Washington, D.C.?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Phnom Penh to Washington, D.C. flight?

    Round-trip flights from Phnom Penh to Washington, D.C. range from $1,515 to $1,955, with an average of $1,641 over the past 12 months. Anything below $1,515 counts as a good deal.

  • Have flight prices from Phnom Penh to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,189 to $9,664. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Phnom Penh to Washington, D.C. looking right now?

    One-way fares from Phnom Penh to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $723, which is 29% below the typical average for this route.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $24:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Phnom Penh to Washington, D.C.?

    Flights from Phnom Penh to Washington, D.C. usually depart from Phnom Penh Techo Intl (KTI) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Phnom Penh to Washington, D.C. pass through?

    One-stop flights from Phnom Penh to Washington, D.C. most commonly connect through:

    • Incheon Intl (ICN) - 67% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 17% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) - 11% of one-stop connections
    • Beijing Capital (PEK) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Phnom Penh to Washington, D.C.?

    Yes. Flexible dates can save you up to 27% on flights from Phnom Penh to Washington, D.C.. Friday is the cheapest departure day at $1,544 round-trip on average, while Tuesday is the most expensive at $2,088, a difference of $544.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Phnom Penh to Washington, D.C.?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 21h 40m, compared with 22h 17m via Incheon Intl (ICN) and 33h 36m via Beijing Capital (PEK).

  • What is the time difference between Phnom Penh and Washington, D.C.?

    Washington, D.C. is 11 hours behind Phnom Penh (Eastern Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

Your guide to booking Phnom Penh to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Phnom Penh to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

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