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Ko Phi Phi

$598+ Cheap flights from Dulles Intl (IAD) 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKT
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Ko Phi Phi

Cheapest flights from Dulles Intl to Ko Phi Phi
Explore the most affordable flight options available from Dulles Intl to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This FlightHub deal was found by Cheapflights users on 5/17. 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.
Sun 9/69:00 pm
IAD
-
HKT
2 stops34h 30m
Qatar Airways
Sat 9/198:30 pm
HKT
-
IAD
1 stop30h 10m
Qatar Airways
Deal found 5/17$1,051
This oojo deal was found by Cheapflights users on 5/21. 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 10/1111:15 am
IAD
-
HKT
1 stop20h 35m
Qatar Airways
Fri 10/232:45 pm
HKT
-
IAD
2 stops35h 55m
Qatar Airways
Deal found 5/21$1,053
This oojo deal was found by Cheapflights users on 5/20. 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 10/33:10 pm
IAD
-
HKT
1 stop21h 30m
Etihad Airways
Wed 10/142:25 am
HKT
-
IAD
1 stop42h 20m
Etihad Airways
Deal found 5/20$1,058
This Trip.com deal was found by Cheapflights users on 5/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:15 am
IAD
-
HKT
2 stops25h 20m
Multiple Airlines
Fri 10/2310:00 pm
HKT
-
IAD
2 stops28h 40m
Multiple Airlines
Deal found 5/21$1,079
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Thu 11/128:05 pm
IAD
-
HKT
1 stop28h 50m
Qatar Airways
Thu 11/195:20 pm
HKT
-
IAD
2 stops27h 00m
Qatar Airways
Deal found 5/20$1,081
This oojo deal was found by Cheapflights users on 5/19. 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 9/119:00 pm
IAD
-
HKT
1 stop23h 45m
Qatar Airways
Thu 9/177:10 pm
HKT
-
IAD
2 stops31h 30m
Qatar Airways
Deal found 5/19$1,086
This FlightHub deal was found by Cheapflights users on 5/21. 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.
Tue 10/278:05 pm
IAD
-
HKT
1 stop29h 50m
Qatar Airways
Tue 11/38:30 pm
HKT
-
IAD
1 stop31h 25m
Qatar Airways
Deal found 5/21$1,088
This oojo deal was found by Cheapflights users on 5/19. 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 11/78:05 pm
IAD
-
HKT
1 stop22h 45m
Qatar Airways
Sun 11/159:50 pm
HKT
-
IAD
2 stops30h 05m
Qatar Airways
Deal found 5/19$1,093
This oojo deal was found by Cheapflights users on 5/19. 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 8/123:10 pm
IAD
-
HKT
1 stop28h 30m
Etihad Airways
Fri 8/219:20 pm
HKT
-
IAD
1 stop23h 25m
Etihad Airways
Deal found 5/19$1,094
This FlightHub deal was found by Cheapflights users on 5/20. 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.
Sat 10/39:00 pm
IAD
-
HKT
1 stop23h 45m
Qatar Airways
Thu 10/159:55 pm
HKT
-
IAD
2 stops28h 45m
Qatar Airways
Deal found 5/20$1,098

Find flight deals from Dulles Intl to Ko Phi Phi

Keep the following information in mind while searching for Dulles Intl to Ko Phi Phi flight deals. Data was last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,051
(FlightHub)

One-way from

$598
(oojo)

Popular in

December

Cheapest in

October

Average price

$1,276
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. Dulles Intl to Ko Phi Phi
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($355 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($89 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 May 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ko Phi Phi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Sun 9/27

11:05 am-6:50 pm

1 stop20h 45m

Phuket City

Thu 10/1

8:30 pm-8:55 am

1 stop23h 25m

$1,161

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Mon 8/17

10:55 am-2:05 pm

2 stops40h 10m

Phuket City

Fri 8/21

11:55 pm-8:40 am

1 stop43h 45m

$1,439

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Sat 6/6

9:45 pm-3:20 pm

1 stop30h 35m

Phuket City

Mon 6/15

10:35 pm-11:35 am

1 stop24h 00m

$1,602

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Mon 6/22

5:25 pm-6:30 pm

2 stops38h 05m

Phuket City

Mon 7/6

7:15 pm-2:35 pm

2 stops30h 20m

$1,762

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Mon 6/8

5:25 pm-6:30 pm

2 stops38h 05m

Phuket City

Tue 6/16

5:30 pm-2:35 pm

2 stops32h 05m

$1,775
Cheapest one-way

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Sat 8/29

3:10 pm-6:40 am

1 stop28h 30m

$598

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Fri 8/14

3:10 pm-7:35 am

1 stop29h 25m

$598

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Fri 8/14

3:50 pm-3:30 pm

3 stops36h 40m

$650

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Fri 6/12

5:40 pm-8:00 am

2 stops27h 20m

$797

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Fri 5/29

9:45 pm-9:55 pm

2 stops37h 10m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Ko Phi Phi

Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from Dulles Intl 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. Dulles Intl Airport to Ko Phi Phi

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Ko Phi Phi?

Reviews of airlines servicing Ko Phi Phi

Get insights into the airlines that provide service to Ko Phi Phi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Phi Phi. Reviews last updated May 21, 2026.
See what other customers who have flown with Emirates,Delta, andQatar Airways from Washington, D.C. Dulles Intl Airport to Ko Phi Phi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,576 reviews
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Delta
7.9
Good
8,453 reviews
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,730 reviews
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Etihad Airways
7.3
Good
1,442 reviews
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
JetBlue
7.2
Good
2,982 reviews
Emirates
8.1
Very good
3,576 reviews

Boarding

8.1

Food

7.9

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Ko Phi Phi?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Ko Phi Phi in 20h 45m. Fly via Qatar Airways to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and Ko Phi Phi is about 9167 mi.

  • Can I find deals for flights from Dulles Intl to Ko Phi Phi that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Ko Phi Phi.

  • Can I find deals for business class flights from Dulles Intl to Ko Phi Phi?

    Yes. Cheapflights offers flight deals from Dulles Intl 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Dulles Intl to Ko Phi Phi

Discover the top 5 airlines that operate flights from Dulles Intl to Ko Phi Phi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$664Average$1,145FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$993Average$1,337FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$996Average$1,280FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$1,086Average$1,206FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$1,571Average$2,218FlexibilityNo cancel feeOn-time62%

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