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Ko Phi Phi

$429+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKT
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
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 November 4, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$792
(IEagle)

One-way from

$429
(Korean Air)

Popular in

December

Cheapest in

September

Average price

$811
Provider with most accurate pricing for Los Angeles-Phuket City flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Phuket City flights.
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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. 12% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 4, 2025.

This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:45 pmONT - HKT
2 stops30h 20mMultiple Airlines
Mon 11/109:50 pmHKT - ONT
2 stops57h 00mMultiple Airlines
Deal found 11/3$799
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:50 pmONT - HKT
2 stops37h 20mDelta
Sun 11/911:40 pmHKT - ONT
2 stops38h 15mDelta
Deal found 11/1$950
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amONT - HKT
2 stops25h 10mDelta
Thu 11/2711:40 pmHKT - ONT
2 stops33h 38mDelta
Deal found 11/2$1,129
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/231:20 pmONT - HKT
2 stops41h 50mDelta
Thu 11/2711:40 pmHKT - ONT
2 stops33h 38mDelta
Deal found 11/2$1,135
This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:50 pmONT - HKT
2 stops31h 20mChina Airlines
Mon 11/109:50 pmHKT - ONT
2 stops34h 00mChina Airlines
Deal found 11/3$1,195
This oojo deal was found by Cheapflights users on 11/2. 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.
Thu 11/610:50 pmONT - HKT
2 stops24h 25mMultiple Airlines
Sat 11/89:50 pmHKT - ONT
2 stops34h 00mMultiple Airlines
Deal found 11/2$1,200
This Gotogate deal was found by Cheapflights users on 11/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:50 pmONT - HKT
2 stops29h 15mChina Airlines
Tue 12/211:20 pmHKT - ONT
2 stops32h 30mChina Airlines
Deal found 11/3$1,203
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:45 amONT - HKT
2 stops24h 25mMultiple Airlines
Sat 11/229:50 pmHKT - ONT
2 stops34h 00mMultiple Airlines
Deal found 11/2$1,216
This SmartFares deal was found by Cheapflights users on 11/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:50 pmONT - HKT
2 stops31h 20mChina Airlines
Wed 12/37:45 amHKT - ONT
2 stops24h 05mChina Airlines
Deal found 11/2$1,227
This oojo deal was found by Cheapflights users on 11/2. 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 11/310:50 pmONT - HKT
2 stops31h 20mChina Airlines
Sun 11/97:45 amHKT - ONT
2 stops24h 05mChina Airlines
Deal found 11/2$1,237
This Korean Air deal was found by Cheapflights users on 11/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:45 amONT - HKT
2 stops24h 25mMultiple Airlines
Wed 11/2611:40 pmHKT - ONT
2 stops33h 38mMultiple Airlines
Deal found 11/3$1,342

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 November 4, 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

Tue 3/24

6:45 am-10:10 pm

2 stops25h 25m

Phuket City

Wed 4/8

11:25 pm-5:15 pm

2 stops31h 50m

$815

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Thu 4/23

7:00 am-10:10 pm

2 stops25h 10m

Phuket City

Mon 4/27

11:25 pm-10:40 pm

2 stops37h 15m

$815

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Wed 3/11

6:45 am-10:10 pm

2 stops25h 25m

Phuket City

Wed 4/1

11:25 pm-10:38 pm

2 stops37h 13m

$815

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 1/11

10:50 pm-10:00 pm

2 stops32h 10m

Phuket City

Thu 1/22

6:30 am-4:50 pm

2 stops25h 20m

$835

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sat 4/11

12:10 am-9:55 pm

2 stops31h 45m

Phuket City

Sat 4/25

9:30 am-6:00 pm

2 stops46h 30m

$862

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Tue 1/27

3:30 pm-10:10 pm

2 stops39h 40m

Phuket City

Sun 2/1

11:40 pm-1:56 pm

2 stops29h 16m

$864

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Thu 3/12

6:45 am-10:10 pm

2 stops25h 25m

Phuket City

Sun 3/29

11:25 pm-5:15 pm

2 stops31h 50m

$898

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sat 2/21

3:30 pm-10:10 pm

2 stops39h 40m

Phuket City

Sat 2/28

11:40 pm-10:40 pm

2 stops38h 00m

$1,029

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 11/24

6:00 am-10:10 pm

2 stops25h 10m

Phuket City

Thu 11/27

11:40 pm-6:18 pm

2 stops33h 38m

$1,129

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 11/23

1:20 pm-10:10 pm

2 stops41h 50m

Phuket City

Thu 11/27

11:40 pm-6:18 pm

2 stops33h 38m

$1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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, April is the cheapest month in which you can book a flight from Ontario to Ko Phi Phi (average of $645). Flying from Ontario to Ko Phi Phi in June is currently the most expensive (average of $829). 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 25h 25m. Fly via Korean Air 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, April is the cheapest month in which you can book a flight from Ontario to Ko Phi Phi (average of $645). Flying from Ontario to Ko Phi Phi in June is currently the most expensive (average of $829). 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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