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Ko Phi Phi

$611+ Cheap flights from Reagan-National (DCA) to Ko Phi Phi, Thailand

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HKT
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Reagan-National to Ko Phi Phi

Cheapest flights from Reagan-National to Ko Phi Phi
Explore the most affordable flight options available from Reagan-National to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:32 am
DCA
-
HKT
2 stops44h 48m
Cathay Pacific
Tue 4/2811:50 am
HKT
-
DCA
2 stops56h 14m
Cathay Pacific
Deal found 2/2$941
This Cathay Pacific deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:59 am
DCA
-
HKT
2 stops37h 21m
Multiple Airlines
Sun 11/226:35 pm
HKT
-
DCA
2 stops36h 19m
Multiple Airlines
Deal found 2/3$993
This Cathay Pacific deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:30 pm
DCA
-
HKT
2 stops41h 50m
Cathay Pacific
Sun 9/2011:50 am
HKT
-
DCA
2 stops43h 25m
Cathay Pacific
Deal found 2/3$1,012
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2311:57 am
DCA
-
HKT
2 stops36h 23m
Cathay Pacific
Tue 3/3111:50 am
HKT
-
DCA
2 stops47h 00m
Cathay Pacific
Deal found 2/2$1,016
This oojo deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:47 pm
DCA
-
HKT
2 stops58h 33m
Cathay Pacific
Sun 4/2611:50 am
HKT
-
DCA
2 stops47h 07m
Cathay Pacific
Deal found 2/3$1,022
This Cathay Pacific deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:28 pm
DCA
-
HKT
2 stops28h 22m
Multiple Airlines
Wed 10/146:20 pm
HKT
-
DCA
2 stops37h 39m
Multiple Airlines
Deal found 2/1$1,024
This Cathay Pacific deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:28 pm
DCA
-
HKT
2 stops28h 22m
Multiple Airlines
Thu 10/1511:50 am
HKT
-
DCA
2 stops43h 10m
Multiple Airlines
Deal found 2/1$1,034
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:15 pm
DCA
-
HKT
2 stops56h 35m
Cathay Pacific
Sat 4/2511:50 am
HKT
-
DCA
2 stops47h 40m
Cathay Pacific
Deal found 2/2$1,037
This Cathay Pacific deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:59 pm
DCA
-
HKT
2 stops31h 21m
Multiple Airlines
Mon 3/236:35 pm
HKT
-
DCA
2 stops34h 06m
Multiple Airlines
Deal found 2/3$1,049
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:28 pm
DCA
-
HKT
2 stops28h 22m
Cathay Pacific
Fri 10/1611:50 am
HKT
-
DCA
2 stops43h 26m
Cathay Pacific
Deal found 2/1$1,056
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:20 am
DCA
-
HKT
2 stops39h 00m
Cathay Pacific
Thu 3/1212:20 pm
HKT
-
DCA
2 stops41h 35m
Cathay Pacific
Deal found 2/2$1,066

Find flight deals from Reagan-National to Ko Phi Phi

Keep the following information in mind while searching for Reagan-National to Ko Phi Phi flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$941
(oojo)

One-way from

$611
(Cathay Pacific)

Popular in

December

Cheapest in

September

Average price

$1,180
Provider with most accurate pricing for Washington, D.C. (WAS)-Phuket City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Phuket City flights.
Search Deals
From Washington, D.C. Reagan-National to Ko Phi Phi
Search Deals
One-way flight from Washington, D.C. Reagan-National to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Ko Phi Phi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ko Phi Phi that are best for you.

Fly from

Reagan-National

Fly to

Ko Phi Phi

Route

Depart

Return

Price

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 4/22

9:32 am-5:20 pm

2 stops44h 48m

Phuket City

Tue 4/28

11:50 am-9:04 am

2 stops56h 14m

$941

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 3/23

11:57 am-11:20 am

2 stops36h 23m

Phuket City

Tue 3/31

11:50 am-11:50 pm

2 stops47h 00m

$1,016

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Tue 4/14

7:47 pm-5:20 pm

2 stops58h 33m

Phuket City

Sun 4/26

11:50 am-11:57 pm

2 stops47h 07m

$1,022

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 3/9

4:59 pm-11:20 am

2 stops31h 21m

Phuket City

Mon 3/23

6:35 pm-5:41 pm

2 stops34h 06m

$1,049

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Sun 3/8

9:20 am-11:20 am

2 stops39h 00m

Phuket City

Thu 3/12

12:20 pm-6:55 pm

2 stops41h 35m

$1,066

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 3/2

6:00 am-11:20 am

2 stops41h 20m

Phuket City

Mon 3/9

12:20 pm-6:55 pm

2 stops41h 35m

$1,157

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 3/11

11:57 am-5:35 pm

2 stops42h 38m

Phuket City

Wed 3/18

6:35 pm-11:00 pm

2 stops39h 25m

$1,247

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 4/1

6:00 am-10:10 pm

2 stops29h 10m

Phuket City

Tue 4/7

11:25 pm-7:40 pm

2 stops31h 15m

$1,275

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 4/1

6:03 pm-7:50 am

2 stops26h 47m

Phuket City

Tue 4/7

9:20 am-4:50 pm

2 stops42h 30m

$1,296

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 2/18

6:37 pm-11:20 am

2 stops28h 43m

Phuket City

Sat 3/7

12:20 pm-7:59 am

2 stops55h 39m

$1,299

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 14 results
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Best time to book a flight from Reagan-National to Ko Phi Phi

Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ko Phi Phi
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Ko Phi Phi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Ko Phi Phi?

    Departing from Washington, D.C. Reagan-National Airport to Ko Phi Phi will take you 44h 48m. Airlines will cover a distance of 9172 mi.

  • Can I find deals for flights from Reagan-National to Ko Phi Phi that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ko Phi Phi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ko Phi Phi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ko Phi Phi.

  • Can I find deals for business class flights from Reagan-National to Ko Phi Phi?

    Yes. Cheapflights offers flight deals from Reagan-National to Ko Phi Phi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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