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Ko Phi Phi

$389+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKT
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheap 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 February 8, 2026.

This Korean Air deal was found by Cheapflights users on 2/8. 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 10/197:00 am
ONT
-
HKT
2 stops25h 10m
Korean Air
Sun 12/611:40 pm
HKT
-
ONT
2 stops32h 37m
Korean Air
Deal found 2/8$766
This Korean Air deal was found by Cheapflights users on 2/5. 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.
Fri 4/177:00 am
ONT
-
HKT
2 stops25h 10m
Korean Air
Wed 4/2211:25 pm
HKT
-
ONT
2 stops31h 50m
Korean Air
Deal found 2/5$771
This ScholarTrip deal was found by Cheapflights users on 2/6. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:48 am
ONT
-
HKT
2 stops25h 22m
Korean Air
Sun 5/1711:25 pm
HKT
-
ONT
2 stops31h 45m
Korean Air
Deal found 2/6$820
This IEagle deal was found by Cheapflights users on 2/7. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:45 pm
ONT
-
HKT
2 stops28h 45m
Multiple Airlines
Fri 8/287:35 am
HKT
-
ONT
2 stops24h 05m
Multiple Airlines
Deal found 2/7$828
This Korean Air deal was found by Cheapflights users on 2/5. 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 3/236:00 am
ONT
-
HKT
2 stops26h 10m
Korean Air
Wed 4/111:25 pm
HKT
-
ONT
2 stops31h 48m
Korean Air
Deal found 2/5$844
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:10 am
ONT
-
HKT
2 stops32h 20m
Multiple Airlines
Tue 5/510:15 pm
HKT
-
ONT
2 stops33h 45m
Multiple Airlines
Deal found 2/4$873
This Trip.com deal was found by Cheapflights users on 2/6. 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.
Wed 3/1811:50 pm
ONT
-
HKT
2 stops28h 20m
Multiple Airlines
Wed 3/2510:00 am
HKT
-
ONT
2 stops21h 50m
Multiple Airlines
Deal found 2/6$900
This Mytrip deal was found by Cheapflights users on 2/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:10 am
ONT
-
HKT
2 stops29h 00m
Multiple Airlines
Mon 5/410:15 am
HKT
-
ONT
2 stops21h 45m
Multiple Airlines
Deal found 2/6$905
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:10 am
ONT
-
HKT
2 stops32h 20m
Multiple Airlines
Thu 5/149:00 am
HKT
-
ONT
2 stops23h 00m
Multiple Airlines
Deal found 2/5$912
This Mytrip deal was found by Cheapflights users on 2/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:10 am
ONT
-
HKT
2 stops26h 05m
Multiple Airlines
Sun 5/1710:15 pm
HKT
-
ONT
2 stops33h 45m
Multiple Airlines
Deal found 2/7$917
This Korean Air deal was found by Cheapflights users on 2/5. 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.
Tue 3/246:00 am
ONT
-
HKT
2 stops26h 10m
Korean Air
Wed 4/111:25 pm
HKT
-
ONT
2 stops31h 48m
Korean Air
Deal found 2/5$922
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:10 am
ONT
-
HKT
2 stops32h 20m
Multiple Airlines
Fri 4/248:20 pm
HKT
-
ONT
2 stops35h 40m
Multiple Airlines
Deal found 2/5$928

Find 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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$771
(Korean Air)

One-way from

$389
(Delta)

Popular in

June

Cheapest in

September

Average price

$856
Provider with most accurate pricing for Los Angeles-Phuket City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Phuket City flights.
Search Deals
From Ontario to Ko Phi Phi
Search Deals
One-way flight from Ontario to Ko Phi Phi
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 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 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 February 8, 2026.
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

Fri 4/17

7:00 am-10:10 pm

2 stops25h 10m

Phuket City

Wed 4/22

11:25 pm-5:15 pm

2 stops31h 50m

$771

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 3/23

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Wed 4/1

11:25 pm-5:13 pm

2 stops31h 48m

$844

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Wed 3/18

11:50 pm-6:10 pm

2 stops28h 20m

Phuket City

Wed 3/25

10:00 am-5:50 pm

2 stops21h 50m

$900

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 5/3

12:10 am-10:30 pm

2 stops32h 20m

Phuket City

Thu 5/14

9:00 am-6:00 pm

2 stops23h 00m

$912

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Tue 5/5

12:10 am-4:15 pm

2 stops26h 05m

Phuket City

Sun 5/17

10:15 pm-6:00 pm

2 stops33h 45m

$917

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Tue 3/24

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Wed 4/1

11:25 pm-5:13 pm

2 stops31h 48m

$922

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Mon 3/23

6:00 am-10:10 pm

2 stops26h 10m

Phuket City

Mon 3/30

11:25 pm-11:51 pm

2 stops38h 26m

$939

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Tue 4/7

12:10 am-7:10 pm

2 stops29h 00m

Phuket City

Sat 4/18

8:55 am-6:00 pm

2 stops23h 05m

$956

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Sun 5/17

12:10 am-11:45 pm

2 stops33h 35m

Phuket City

Sun 5/24

10:15 pm-6:00 pm

2 stops33h 45m

$983

OntarioPhuket City

ONT - HKT

ONTHKT

Ontario

Fri 3/20

10:45 pm-8:55 pm

2 stops32h 10m

Phuket City

Tue 3/24

8:50 am-4:50 pm

2 stops46h 00m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 21 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 $628). Flying from Ontario to Ko Phi Phi in June is currently the most expensive (average of $879). 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 10m. 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 $628). Flying from Ontario to Ko Phi Phi in June is currently the most expensive (average of $879). 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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