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Ko Phi Phi

$510+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HKT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This oojo deal was found by Cheapflights users on 10/26. 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 10/2712:31 pmDCA - HKT
2 stops35h 49mCathay Pacific
Tue 11/412:20 pmHKT - DCA
2 stops47h 36mCathay Pacific
Deal found 10/26$1,014
This oojo deal was found by Cheapflights users on 10/27. 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.
Thu 10/303:25 pmDCA - HKT
2 stops32h 55mCathay Pacific
Thu 11/612:20 pmHKT - DCA
2 stops46h 40mCathay Pacific
Deal found 10/27$1,064
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:10 amDCA - HKT
2 stops29h 00mDelta
Thu 11/611:40 pmHKT - DCA
2 stops35h 00mDelta
Deal found 10/26$1,068
This oojo deal was found by Cheapflights users on 10/26. 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 11/58:40 amDCA - HKT
2 stops38h 40mCathay Pacific
Tue 11/1112:20 pmHKT - DCA
2 stops42h 24mCathay Pacific
Deal found 10/26$1,089
This Ovago deal was found by Cheapflights users on 10/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:45 amDCA - HKT
2 stops43h 50mCathay Pacific
Tue 12/1612:20 pmHKT - DCA
2 stops42h 34mCathay Pacific
Deal found 10/25$1,226
This Korean Air deal was found by Cheapflights users on 10/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:29 amDCA - HKT
2 stops27h 41mMultiple Airlines
Tue 12/1611:40 pmHKT - DCA
2 stops25h 02mMultiple Airlines
Deal found 10/26$1,256
This Korean Air deal was found by Cheapflights users on 10/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:29 amDCA - HKT
2 stops27h 41mMultiple Airlines
Thu 11/2711:40 pmHKT - DCA
2 stops26h 55mMultiple Airlines
Deal found 10/27$1,401
This oojo deal was found by Cheapflights users on 10/26. 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 11/199:45 amDCA - HKT
2 stops43h 50mCathay Pacific
Thu 11/2712:20 pmHKT - DCA
2 stops33h 57mCathay Pacific
Deal found 10/26$1,403
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:44 pmDCA - HKT
2 stops25h 06mMultiple Airlines
Thu 12/188:30 pmHKT - DCA
2 stops32h 05mMultiple Airlines
Deal found 10/27$1,409
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:24 amDCA - HKT
2 stops25h 31mQatar Airways
Sun 11/212:50 amHKT - DCA
2 stops32h 40mQatar Airways
Deal found 10/26$1,500

Cheap 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 October 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,020
(oojo)

One-way from

$510
(Kiwi.com)

Popular in

December

Cheapest in

March

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. 6% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
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

Thu 10/30

6:10 am-10:10 pm

2 stops29h 00m

Phuket City

Thu 11/6

11:40 pm-10:40 pm

2 stops35h 00m

$1,068

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Fri 1/23

9:59 am-7:50 am

2 stops33h 51m

Phuket City

Fri 1/30

2:55 pm-8:00 pm

2 stops41h 05m

$1,080

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 11/19

9:45 am-5:35 pm

2 stops43h 50m

Phuket City

Tue 12/16

12:20 pm-6:54 pm

2 stops42h 34m

$1,226

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 11/19

6:29 am-10:10 pm

2 stops27h 41m

Phuket City

Tue 12/16

11:40 pm-12:42 pm

2 stops25h 02m

$1,256

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 1/7

9:35 am-5:35 pm

2 stops44h 00m

Phuket City

Sat 1/17

12:20 pm-3:41 pm

2 stops39h 21m

$1,373

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 11/19

6:29 am-10:10 pm

2 stops27h 41m

Phuket City

Thu 11/27

11:40 pm-2:35 pm

2 stops26h 55m

$1,401

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 11/19

9:45 am-5:35 pm

2 stops43h 50m

Phuket City

Thu 11/27

12:20 pm-10:00 pm

2 stops45h 40m

$1,417

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Thu 12/11

4:44 pm-5:50 am

2 stops25h 06m

Phuket City

Wed 12/17

12:50 am-8:16 pm

2 stops31h 26m

$1,476

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Fri 1/23

5:30 pm-5:50 am

2 stops24h 20m

Phuket City

Thu 1/29

12:50 am-9:51 pm

2 stops33h 01m

$1,524

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Wed 11/19

6:24 am-6:55 pm

2 stops24h 31m

Phuket City

Mon 12/15

12:50 am-5:55 pm

2 stops29h 05m

$1,549

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 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

What is the cheapest time of day to fly from DCA to K33?

Find hourly flight availability from Reagan-National to Ko Phi Phi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to Ko Phi Phi in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight in the morning.

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 29h. Airlines will cover a distance of 9172 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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