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Ko Phi Phi

$423+ Cheap flights from Ontario (ONT) 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to Ko Phi Phi

Keep the following information in mind while searching for Ontario to Ko Phi Phi flight deals. Data was last updated September 17, 2025.

Round-trip from

$810
(Delta)

One-way from

$423
(Delta)

Popular in

December

Cheapest in

August

Average price

$813
From Ontario to Ko Phi Phi
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One-way flight from Ontario to Ko Phi Phi
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Highest demand for flights based on searches. 13% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Ko Phi Phi

Cheapest flights from Ontario to Ko Phi Phi
Explore the most affordable flight options available from Ontario to Ko Phi Phi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 10/306:00 amONT - HKT
2 stops26h 10mDelta
Thu 11/611:40 pmHKT - ONT
2 stops32h 30mDelta
Deal found 9/15$810
This Korean Air deal was found by Cheapflights users on 9/15. 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.
Sun 10/267:35 amONT - HKT
2 stops24h 35mKorean Air
Fri 11/711:40 pmHKT - ONT
2 stops32h 30mKorean Air
Deal found 9/15$815
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/45:40 pmONT - HKT
2 stops38h 30mDelta
Sun 10/1211:25 pmHKT - ONT
2 stops37h 16mDelta
Deal found 9/15$816
This Korean Air deal was found by Cheapflights users on 9/16. 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.
Mon 10/277:35 amONT - HKT
2 stops24h 35mMultiple Airlines
Tue 11/411:40 pmHKT - ONT
2 stops32h 30mMultiple Airlines
Deal found 9/16$863
This Korean Air deal was found by Cheapflights users on 9/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:45 amONT - HKT
2 stops24h 25mMultiple Airlines
Wed 11/2611:40 pmHKT - ONT
2 stops33h 38mMultiple Airlines
Deal found 9/17$864
This Korean Air deal was found by Cheapflights users on 9/16. 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.
Mon 10/277:35 amONT - HKT
2 stops24h 35mKorean Air
Wed 11/511:40 pmHKT - ONT
2 stops32h 30mKorean Air
Deal found 9/16$865
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amONT - HKT
2 stops25h 10mDelta
Wed 12/1711:40 pmHKT - ONT
2 stops38h 07mDelta
Deal found 9/17$881
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 10/276:00 amONT - HKT
2 stops26h 10mDelta
Sat 11/811:40 pmHKT - ONT
2 stops38h 15mDelta
Deal found 9/15$893
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:40 amONT - HKT
2 stops24h 30mDelta
Mon 12/1511:40 pmHKT - ONT
2 stops38h 07mDelta
Deal found 9/17$931
This Korean Air deal was found by Cheapflights users on 9/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:00 amONT - HKT
2 stops26h 10mMultiple Airlines
Mon 9/2911:25 pmHKT - ONT
2 stops31h 35mMultiple Airlines
Deal found 9/17$947
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amONT - HKT
2 stops25h 10mDelta
Mon 12/1511:40 pmHKT - ONT
2 stops38h 07mDelta
Deal found 9/17$953
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 12/16:00 amONT - HKT
2 stops25h 10mDelta
Fri 12/1911:40 pmHKT - ONT
2 stops38h 02mDelta
Deal found 9/14$955

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Ko Phi Phi that are best for you.

Fly from

Ontario

Fly to

Ko Phi Phi

Route

Depart

Return

Price

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 10/5

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Tue 10/14

11:25 pm-10:41 pm

2 stops37h 16m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 12/1

6:00 am-10:10 pm

2 stops25h 10m

Phuket City

Sun 12/14

11:40 pm-10:47 pm

2 stops38h 07m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 12/1

6:00 am-10:10 pm

2 stops25h 10m

Phuket City

Mon 12/15

11:40 pm-11:59 pm

2 stops39h 19m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 10/5

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Wed 10/15

11:25 pm-10:41 pm

2 stops37h 16m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Thu 10/30

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Sun 11/2

11:40 pm-10:41 pm

2 stops38h 01m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 2/9

6:00 am-10:10 pm

2 stops25h 10m

Phuket City

Thu 2/26

11:40 pm-11:52 pm

2 stops39h 12m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 10/5

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Fri 10/17

11:25 pm-10:41 pm

2 stops37h 16m

$810

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 2/9

6:45 am-10:10 pm

2 stops24h 25m

Phuket City

Wed 2/25

11:40 pm-10:38 pm

2 stops37h 58m

$815

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Tue 10/28

7:35 am-10:10 pm

2 stops24h 35m

Phuket City

Sun 11/2

11:40 pm-5:10 pm

2 stops32h 30m

$815

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 10/26

7:35 am-10:10 pm

2 stops24h 35m

Phuket City

Mon 11/3

11:40 pm-5:10 pm

2 stops32h 30m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Ko Phi Phi

Have a flexible travel schedule? Discover the best time to fly to Ko Phi Phi from Ontario 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 Ontario to Ko Phi Phi

What is the cheapest month to book a flight from Ontario to Ko Phi Phi?

Currently, September is the cheapest month in which you can book a flight from Ontario to Ko Phi Phi (average of $1,063). Flying from Ontario to Ko Phi Phi in December is currently the most expensive (average of $1,678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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.

  • What airport do you fly from for flights from Ontario to Ko Phi Phi?

    If you book a flight to Ko Phi Phi from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Ko Phi Phi per day from 0 different airlines.

  • How long is the flight from Ontario to Ko Phi Phi?

    There are many flights that can get you from Ontario to Ko Phi Phi in 26h 10m. Fly via Delta to get the fastest option. Ontario and Ko Phi Phi are separated by a distance of 8688 mi.

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

  • What is the cheapest month to book a flight from Ontario to Ko Phi Phi?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Ko Phi Phi (average of $1,063). Flying from Ontario to Ko Phi Phi in December is currently the most expensive (average of $1,678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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