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).

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

Yes. Flexible dates can save you up to 50% on flights from Washington, D.C. Reagan-National Airport to Phnom Penh. 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 $1,441, with an average of $1,198 over the past 12 months. Anything below $1,079 counts as a good deal.

Which airline is the cheapest to fly from Washington, D.C. Reagan-National Airport to Phnom Penh?

Korean Air ($1,127) and Cathay Pacific ($1,185) are the cheapest airlines to fly round-trip from Washington, D.C. Reagan-National Airport to Phnom Penh according to KAYAK data over the last 5 days.

$501 CHEAP FLIGHTS from Reagan Washington to Phnom Penh (DCA - KTI)

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Cheapest round-trip

$1,116

Typical prices: $1,079-$1,441

Multiple Airlines

Sun 11/4Thu 11/15

DCA - KTI • 2 stops

Cheapest one-way

$501

Typical prices: $792-$927

Multiple Airlines

Fri 1/19

DCA - KTI • 2 stops

When to travel

August

Cheapest • 14% price drop

February

Most popular

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

Cheap flights from Reagan-National to Phnom Penh with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Wed, Nov 4 - Sun, Nov 15

5:05 pm - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

29h 20m2 stops Los Angeles Hong Kong Intl

7:05 pm - 9:00 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

37h 55m2 stops Hong Kong Intl Los Angeles

$1,116Multiple Airlines

Mon, Feb 1 - Sun, Feb 28

6:05 am - 10:45 pmDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

28h 40m2 stops New York John F Kennedy Intl Incheon Intl

12:10 am - 6:05 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

29h 55m2 stops Incheon Intl New York John F Kennedy Intl

$1,127Korean Air

Wed, Feb 3 - Mon, Feb 15

5:01 pm - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

29h 24m2 stops Los Angeles Hong Kong Intl

11:45 am - 9:59 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

46h 14m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,160Multiple Airlines

Mon, Nov 2 - Wed, Nov 11

5:05 pm - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

29h 20m2 stops Los Angeles Hong Kong Intl

7:05 pm - 9:59 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

38h 54m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,160Multiple Airlines

Wed, Feb 3 - Sat, Feb 13

8:20 am - 10:45 pmDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

26h 25m2 stops Boston Logan Intl Incheon Intl

12:10 am - 2:38 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

26h 28m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,177Korean Air

Mon, Nov 2 - Mon, Dec 7

10:11 am - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

36h 14m2 stops Chicago O'Hare Intl Hong Kong Intl

7:05 pm - 6:04 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

34h 59m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,185Cathay Pacific

Wed, Feb 3 - Wed, Mar 3

10:10 am - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

36h 15m2 stops Chicago O'Hare Intl Hong Kong Intl

7:05 pm - 10:49 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

39h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$1,220Cathay Pacific

Thu, Feb 11 - Sun, Feb 28

10:13 am - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

36h 12m2 stops Chicago O'Hare Intl Hong Kong Intl

7:05 pm - 5:59 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

34h 54m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,222Cathay Pacific

Mon, Nov 2 - Tue, Nov 10

10:11 am - 10:25 amDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

36h 14m2 stops Chicago O'Hare Intl Hong Kong Intl

11:45 am - 10:46 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

23h 01m2 stops Hong Kong Intl Dallas/Fort Worth

$1,237Cathay Pacific

Tue, Nov 3 - Sun, Nov 15

7:45 am - 10:45 pmDCA Washington, D.C. Reagan-National-KTI Phnom Penh Techo Intl

27h 00m2 stops Minneapolis St Paul Incheon Intl

12:10 am - 8:41 pmKTI Phnom Penh Techo Intl-DCA Washington, D.C. Reagan-National

32h 31m2 stops Incheon Intl Atlanta Hartsfield-Jackson

$1,239Delta

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Phnom Penh flights

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

Which airline is the cheapest to fly from Washington, D.C. Reagan-National Airport to Phnom Penh?: Korean Air ($1,127) and Cathay Pacific ($1,185) are the cheapest airlines to fly round-trip from Washington, D.C. Reagan-National Airport to Phnom Penh according to KAYAK data over the last 5 days.

Find deals

High season	February
Cheapest flight	$501

The most popular month to fly with an average 40% increase in travelers.

One-way flight from Washington, D.C. Reagan-National Airport to Phnom Penh

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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
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.
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 $1,441, with an average of $1,198 over the past 12 months. Anything below $1,079 counts as a good deal.
How are flight prices from Washington, D.C. Reagan-National Airport to Phnom Penh looking right now?
One-way fares from Washington, D.C. Reagan-National Airport to Phnom Penh are currently lower than usual. Average one-way flight prices are about $592, which is 30% below the typical average for this route.
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).
Can I save money by using flexible dates for flights from Washington, D.C. Reagan-National Airport to Phnom Penh?
Yes. Flexible dates can save you up to 50% on flights from Washington, D.C. Reagan-National Airport to Phnom Penh. 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.
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.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $1,079, about $1,068 less than Sunday fares (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).

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DCA - KTI

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Everything you should know

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

Cheap flights from Reagan-National to Phnom Penh with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Phnom Penh flights

Which airline is the cheapest to fly from Washington, D.C. Reagan-National Airport to Phnom Penh?

Key details for Washington, D.C. Reagan-National Airport to Phnom Penh flights

High season

Cheapest flight

When to book flights from Reagan-National to Phnom Penh

Your Washington, D.C. Reagan-National Airport to Phnom Penh flight questions, answered

Your guide to booking Washington, D.C. Reagan-National Airport to Phnom Penh flights

More options for your flight from Reagan-National to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Phnom Penh

Find direct flights to and from Reagan-National and Phnom Penh

Flights from domestic origins to Phnom Penh

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