DCA - KTI

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1 adult
1 adult, Economy, 0 bags

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Everything you should know

When to travel
August
Cheapest • 15% price drop
February
Most popular
Good to know
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Flight Deals

Cheap Flights from Reagan-National to Phnom Penh (DCA-KTI)

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

Recent round-trip flight deals from Reagan-National to Phnom Penh

Multiple Airlines Logo
DCA  Reagan Washington National Airport-KTI Phnom Penh Techo Intl
8959 mimulti-stop
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KTI  Phnom Penh Techo Intl-DCA Reagan Washington National Airport
8959 mimulti-stop
Multiple Airlines
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Key details for Washington, D.C. Reagan-National Airport to Phnom Penh flights

Low season

October
Most popular time to fly and prices are also 1% lower on average.

When to book flights from Reagan-National to Phnom Penh

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

Your Washington, D.C. Reagan-National Airport to Phnom Penh 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 Washington, D.C. Reagan-National Airport to Phnom Penh?

    Flights from Washington, D.C. Reagan-National Airport to Phnom Penh usually depart from Washington, D.C. Reagan-National (DCA) and arrive at Phnom Penh Techo Intl (KTI).

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    Yes. Being flexible with your travel dates can save you up to 50% on the Washington, D.C. Reagan-National Airport to Phnom Penh route. Wednesday is the cheapest departure day at $1,079 round-trip on average, while Sunday is the most expensive at $2,147, a difference of $1,068. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    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.

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

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

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

    Round-trip flights from Washington, D.C. Reagan-National Airport to Phnom Penh range from $1,079 to $1,414, with an average of $1,209 over the past 12 months. Anything below $1,079 counts as a good deal.

Your guide to booking Washington, D.C. Reagan-National Airport to Phnom Penh 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 Wednesday departure instead of Sunday. On this route, Wednesday flights average $1,079 - about $1,068 less than Sunday (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Reagan-National Airport to Phnom Penh trip for August. Fares historically average $1,031 round-trip in that month - typically $1,116 less than the most expensive month, which is March (based on the last 12 months).

Everything you need to know for your flight from Reagan-National to Phnom Penh

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)
Phnom Penh (KTI)