KTI - IAD

$608 Find Cheap Flights from Phnom Penh to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,165
Typical prices: $1,544-$1,872
Etihad Airways
Fri 9/28Thu 10/11
KTI - IAD • 1 stop
Cheapest one-way
$608
Typical prices: $705-$1,125
Multiple Airlines
Fri 9/28
KTI - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Phnom Penh and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
June
Cheapest • 16% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $1,272 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 40m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Phnom Penh to Dulles Intl (KTI-IAD)

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

Recent round-trip flight deals from Phnom Penh to Dulles Intl

Mon, Sep 28 - Sun, Oct 11
Etihad Airways Logo
8:55 am - 9:45 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
35h 50m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:10 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 35m1 stop Abu Dhabi Zayed Intl
$1,165Etihad Airways
Mon, Sep 28 - Sun, Oct 11
Multiple Airlines Logo
11:10 am - 8:50 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
32h 40m2 stops Kuala Lumpur Intl Dubai Intl
Multiple Airlines Logo
10:55 am - 10:00 amIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
36h 05m2 stops Dubai Intl Kuala Lumpur Intl
$1,349Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
1:55 pm - 8:45 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
29h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
Multiple Airlines Logo
9:00 pm - 12:45 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
28h 45m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
$1,404Multiple Airlines
Mon, Sep 28 - Sun, Oct 11
Etihad Airways Logo
8:00 pm - 9:45 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 - 6:45 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
40h 35m1 stop Abu Dhabi Zayed Intl
$1,420Etihad Airways
Fri, Dec 18 - Thu, Jan 7
Multiple Airlines Logo
8:15 pm - 7:25 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
35h 10m2 stops Bangkok Suvarnabhumi Istanbul
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
$1,448Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
8:55 am - 9:45 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
35h 50m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
3:10 pm - 7:20 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
41h 10m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
$1,467Multiple Airlines
Fri, Dec 18 - Thu, Jan 7
Multiple Airlines Logo
7:50 pm - 9:05 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
25h 15m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
2:35 pm - 5:30 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
38h 55m2 stops Abu Dhabi Zayed Intl Kuala Lumpur Intl
$1,493Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
9:10 am - 10:00 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
23h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
3:10 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
33h 45m3 stops Abu Dhabi Zayed Intl Kochi Kuala Lumpur Intl
$1,502Multiple Airlines
Wed, Oct 7 - Sun, Oct 18
Multiple Airlines Logo
9:10 am - 10:00 pmKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
23h 50m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:15 pm - 10:15 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
22h 00m1 stop Incheon Intl
$1,537Multiple Airlines
Mon, Sep 28 - Sun, Oct 11
Multiple Airlines Logo
11:25 am - 5:40 amKTI  Phnom Penh Techo Intl-IAD Washington, D.C. Dulles Intl
29h 15m3 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
12:15 pm - 7:20 pmIAD  Washington, D.C. Dulles Intl-KTI Phnom Penh Techo Intl
44h 05m2 stops Tokyo Haneda Bangkok Suvarnabhumi
$1,546Multiple Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Phnom Penh to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Phnom Penh to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Phnom Penh to Washington, D.C. Dulles Intl Airport start at $1,165. Prices are below average for this route right now, with typical round-trip fares ranging from $1,544 to $1,872. The lowest price found in the past 5 days was $1,165 on Etihad Airways.

What's the cheapest day of the week to fly from Phnom Penh to Washington, D.C. Dulles Intl Airport?

Friday is the cheapest day of the week to fly from Phnom Penh to Washington, D.C. Dulles Intl Airport, it is 6% cheaper than the average day. Tuesday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

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

Low season

August

Cheapest flight

$608
Flight from Phnom Penh to Washington, D.C. Dulles Intl Airport

When to book flights from Phnom Penh to Dulles Intl

Are your dates flexible? Find out the best times to travel from Phnom Penh to Dulles Intl 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. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Flights from Phnom Penh to Washington, D.C. Dulles Intl Airport usually depart from Phnom Penh Techo Intl (KTI) and arrive at Washington, D.C. Dulles Intl (IAD).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • Incheon Intl (ICN) - 76% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) - 12% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 6% of one-stop connections
    • Beijing Capital (PEK) - 6% of one-stop connections

    Incheon Intl (ICN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 27% on the Phnom Penh to Washington, D.C. Dulles Intl Airport route. 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.

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

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

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

    A nonstop flight from Phnom Penh to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 8,951 miles.

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

    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.

  • Have flight prices from Phnom Penh to Washington, D.C. Dulles Intl Airport 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 $1,165 to $10,173. That means the highest observed fare was about 9x higher than the lowest one.

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

    One-way fares from Phnom Penh to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $671, which is 30% below the typical average for this route.

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

    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 29h 47m via Abu Dhabi Zayed Intl (AUH).

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

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

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

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

    Round-trip flights from Phnom Penh to Washington, D.C. Dulles Intl Airport range from $1,544 to $1,872, with an average of $1,641 over the past 12 months. Anything below $1,544 counts as a good deal.

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $1,544 - about $544 less than Tuesday (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Phnom Penh to Washington, D.C. Dulles Intl Airport trip for June. Fares historically average $1,380 round-trip in that month - typically $575 less than the most expensive month, which is April (based on the last 12 months).

More options for your flight from Phnom Penh to Dulles Intl

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