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Ontario

$395+ Cheap flights from Southeast Asia to Ontario (ONT)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Southeast Asia to Ontario

Cheapest flights from Southeast Asia to Ontario
Explore the most affordable flight options available from Southeast Asia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This FlightHub deal was found by Cheapflights users on 2/13. 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.
Fri 3/2011:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Mon 3/2310:45 pm
ONT
-
MNL
1 stop21h 20m
STARLUX Airlines
Deal found 2/13$632
This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Mon 3/1610:45 pm
ONT
-
MNL
1 stop21h 20m
STARLUX Airlines
Deal found 2/14$639
This Kissandfly.com deal was found by Cheapflights users on 2/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Mon 3/3011:10 pm
ONT
-
MNL
1 stop19h 20m
STARLUX Airlines
Deal found 2/14$642
This Trip.com deal was found by Cheapflights users on 2/12. 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 3/411:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Wed 3/1110:45 pm
ONT
-
MNL
1 stop21h 20m
STARLUX Airlines
Deal found 2/12$648
This Trip.com deal was found by Cheapflights users on 2/12. 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.
Sat 3/1411:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Mon 3/2310:45 pm
ONT
-
MNL
1 stop21h 20m
STARLUX Airlines
Deal found 2/12$650
This oojo deal was found by Cheapflights users on 2/12. 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 6/195:30 pm
SGN
-
ONT
1 stop38h 30m
China Airlines
Fri 7/1012:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 2/12$700
This Gotogate deal was found by Cheapflights users on 2/12. 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.
Wed 7/110:45 am
MNL
-
ONT
1 stop21h 55m
STARLUX Airlines
Wed 8/511:45 pm
ONT
-
MNL
1 stop18h 45m
STARLUX Airlines
Deal found 2/12$712
This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:45 am
MNL
-
ONT
1 stop21h 20m
STARLUX Airlines
Sat 6/2011:10 pm
ONT
-
MNL
1 stop19h 20m
STARLUX Airlines
Deal found 2/14$718
This Gotogate deal was found by Cheapflights users on 2/13. 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.
Fri 10/1610:45 am
MNL
-
ONT
1 stop21h 20m
STARLUX Airlines
Wed 10/2111:10 pm
ONT
-
MNL
1 stop19h 20m
STARLUX Airlines
Deal found 2/13$719
This FlightHub deal was found by Cheapflights users on 2/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:50 am
MNL
-
ONT
1 stop20h 00m
STARLUX Airlines
Sat 4/411:10 pm
ONT
-
MNL
1 stop19h 20m
STARLUX Airlines
Deal found 2/14$723
This FlightHub deal was found by Cheapflights users on 2/12. 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 5/910:50 am
CEB
-
ONT
1 stop21h 15m
STARLUX Airlines
Sat 5/2311:10 pm
ONT
-
CEB
1 stop19h 40m
STARLUX Airlines
Deal found 2/12$724
This oojo deal was found by Cheapflights users on 2/13. 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 9/210:45 am
MNL
-
ONT
1 stop21h 20m
STARLUX Airlines
Wed 9/3011:10 pm
ONT
-
MNL
1 stop19h 20m
STARLUX Airlines
Deal found 2/13$724

Find flight deals from Southeast Asia to Ontario

Keep the following information in mind while searching for Southeast Asia to Ontario flight deals. Data was last updated February 15, 2026.

Round-trip from

$629
(Agoda.com)

One-way from

$395
(Kiwi.com)
From Southeast Asia to Ontario
Search Deals
One-way flight from Southeast Asia to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southeast Asia to Ontario 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 15, 2026.
Use the filters below to find and compare flights from Southeast Asia to Ontario that are best for you.

Fly from

Southeast Asia

Fly to

Ontario

Route

Depart

Return

Price

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Wed 5/27

10:45 am-5:05 pm

1 stop21h 20m

Ontario

Sat 6/20

11:10 pm-9:30 am

1 stop19h 20m

$718

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Fri 3/20

11:50 am-4:50 pm

1 stop20h 00m

Ontario

Sat 4/4

11:10 pm-9:30 am

1 stop19h 20m

$723

Cebu CityOntario

CEB - ONT

CEBONT

Cebu City Mactan Intl

Sat 5/9

10:50 am-5:05 pm

1 stop21h 15m

Ontario

Sat 5/23

11:10 pm-9:50 am

1 stop19h 40m

$724

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 3/18

11:00 am-5:50 pm

1 stop20h 50m

Ontario

Sat 5/16

12:10 am-4:20 pm

1 stop26h 10m

$737

Cebu CityOntario

CEB - ONT

CEBONT

Cebu City Mactan Intl

Tue 3/17

12:10 pm-5:50 pm

1 stop20h 40m

Ontario

Sun 3/29

12:10 am-11:05 am

1 stop19h 55m

$740

Cebu CityOntario

CEB - ONT

CEBONT

Cebu City Mactan Intl

Thu 3/12

12:10 pm-5:50 pm

1 stop20h 40m

Ontario

Sun 3/29

12:10 am-11:05 am

1 stop19h 55m

$740

ManilaOntario

MNL - ONT

MNLONT

Manila Ninoy Aquino Intl

Wed 4/15

4:50 pm-6:00 pm

1 stop16h 10m

Ontario

Sat 4/18

12:10 am-3:50 pm

1 stop24h 40m

$745

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 4/30

6:05 pm-5:05 pm

1 stop37h 00m

Ontario

Sat 5/9

11:10 pm-10:15 am

1 stop21h 05m

$748

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 4/23

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Sat 5/2

12:10 am-9:40 am

1 stop19h 30m

$761

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 4/23

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Mon 4/27

12:10 am-9:40 am

1 stop19h 30m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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6

Best time to book a flight from Southeast Asia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Southeast Asia 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 Southeast Asia to Ontario

What is the cheapest month to book a flight from Southeast Asia to Ontario?

Currently, February is the cheapest month in which you can book a flight from Southeast Asia to Ontario (average of $517). Flying from Southeast Asia to Ontario in November is currently the most expensive (average of $588). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 15, 2026.
See what other customers who have flown with STARLUX Airlines and China Airlines from Southeast Asia to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
274 reviews

Boarding

8.9

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very good
274 reviews
STARLUX Airlines
8.9
Very good
274 reviews

Boarding

8.9

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very good
804 reviews
STARLUX Airlines
8.9
Very good
274 reviews

Boarding

8.9

Entertainment

8.8

Food

8.7

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Ontario. 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 into for flights to Ontario from Southeast Asia?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Southeast Asia.

  • How long is the flight from Southeast Asia to Ontario?

    For as low as $735, STARLUX Airlines can have you in Ontario from Southeast Asia in 20h 55m. Southeast Asia and Ontario are separated by a distance of 7369 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Southeast Asia to Ontario?

    The most popular flight routes from Southeast Asia to Ontario are Manila Ninoy Aquino Intl - Ontario, Bangkok Suvarnabhumi - Ontario and Singapore Changi - Ontario.

  • Can I find deals for flights from Southeast Asia to Ontario that include hotel bookings?

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

  • How can I find direct flights from Southeast Asia to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Ontario.

  • Can I find deals for business class flights from Southeast Asia to Ontario?

    Yes. Cheapflights offers flight deals from Southeast Asia to Ontario 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 Southeast Asia to Ontario?

    Currently, February is the cheapest month in which you can book a flight from Southeast Asia to Ontario (average of $517). Flying from Southeast Asia to Ontario in November is currently the most expensive (average of $588). 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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Alternative routes for Southeast Asia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Southeast Asia to Ontario

Discover the top 2 airlines that operate flights from Southeast Asia to Ontario. 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 February 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$339Average$792FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$683Average$841FlexibilityNo cancel feeOn-time70%

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