How does KAYAK find such low prices on flights from Ontario to Southeast Asia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Southeast Asia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Southeast Asia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Southeast Asia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Southeast Asia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Southeast Asia with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Southeast Asia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from Ontario to Southeast Asia?

In the past 5 days, the cheapest round-trip tickets from Ontario to Southeast Asia were found on Korean Air ($755) and STARLUX Airlines ($759).

Which airlines provide the cheapest flights from Ontario to Southeast Asia?

In the past 5 days, the cheapest round-trip tickets from Ontario to Southeast Asia were found on Korean Air ($755) and STARLUX Airlines ($759).

Which airlines fly non-stop between Ontario and Southeast Asia?

There is just one airline that flies from Ontario to Southeast Asia direct and that is Philippine Airlines . The best round-trip deal found from Philippine Airlines for the route is to Manila (MNL) and costs $706.

Which airlines fly non-stop between Ontario and Southeast Asia?

There is just one airline that flies from Ontario to Southeast Asia direct and that is Philippine Airlines . The best round-trip deal found from Philippine Airlines for the route is to Manila (MNL) and costs $706.

How long does a flight from Ontario to Southeast Asia take?

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest routes to Southeast Asia from Ontario are to Manila , which takes 18h 35m , and Bangkok , which takes 20h 00m.

How long does a flight from Ontario to Southeast Asia take?

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest routes to Southeast Asia from Ontario are to Manila , which takes 18h 35m , and Bangkok , which takes 20h 00m.

$382 CHEAP FLIGHTS from Ontario to Southeast Asia

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Flight Deals

One-wayRound-trip

Bangkok2 stops$755

Manila1 stop$757

Ho Chi Minh City1 stop$815

Singapore2 stops$835

Denpasar1 stop$955

Hanoi1 stop$764

Phuket City2 stops$921

Cebu City1 stop$760

Da Nang1 stop$774

Phnom Penh2 stops$889

Chiang Mai2 stops$827

Angeles City1 stop$797

Krabi2 stops$1,043

Bangkok2 stops$755

Manila1 stop$757

Ho Chi Minh City1 stop$815

Singapore2 stops$835

Denpasar1 stop$955

Hanoi1 stop$764

Phuket City2 stops$921

Cebu City1 stop$760

Da Nang1 stop$774

Phnom Penh2 stops$889

Chiang Mai2 stops$827

Angeles City1 stop$797

Krabi2 stops$1,043

Book Cheap Ontario to Southeast Asia Plane Tickets

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Southeast Asia

Thu, Sep 17 - Wed, Sep 23

6:00 am - 9:45 pmONT Ontario-BKK Bangkok Suvarnabhumi

25h 45m2 stops Seattle/Tacoma Intl Incheon Intl

2:35 am - 5:19 pmBKK Bangkok Suvarnabhumi-ONT Ontario

28h 44m2 stops Incheon Intl Seattle/Tacoma Intl

$755Korean Air

Mon, Aug 31 - Thu, Oct 1

12:45 am - 9:35 amONT Ontario-MNL Manila Ninoy Aquino Intl

17h 50m1 stop Taipei City Taiwan Taoyuan Intl

10:35 am - 6:00 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

$757China Airlines

Fri, Sep 4 - Sat, Dec 5

11:30 pm - 9:30 amONT Ontario-MNL Manila Ninoy Aquino Intl

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 3:55 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

20h 05m1 stop Taipei City Taiwan Taoyuan Intl

$757STARLUX Airlines

Wed, Oct 14 - Fri, Oct 30

11:30 pm - 9:30 amONT Ontario-MNL Manila Ninoy Aquino Intl

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 4:55 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

20h 05m1 stop Taipei City Taiwan Taoyuan Intl

$757STARLUX Airlines

Wed, Nov 25 - Wed, Feb 10

10:50 pm - 5:05 pmONT Ontario-MNL Manila Ninoy Aquino Intl

26h 15m1 stop Taipei City Taiwan Taoyuan Intl

10:55 am - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

22h 10m1 stop Taipei City Taiwan Taoyuan Intl

$757China Airlines

Tue, Sep 1 - Thu, Sep 17

6:20 am - 12:45 amONT Ontario-CGK Jakarta Soekarno-Hatta Intl

28h 25m2 stops Seattle/Tacoma Intl Incheon Intl

2:15 am - 10:40 pmCGK Jakarta Soekarno-Hatta Intl-ONT Ontario

34h 25m2 stops Incheon Intl Seattle/Tacoma Intl

$769Delta

Tue, Sep 1 - Fri, Sep 18

6:20 am - 12:45 amONT Ontario-CGK Jakarta Soekarno-Hatta Intl

28h 25m2 stops Seattle/Tacoma Intl Incheon Intl

2:15 am - 10:40 pmCGK Jakarta Soekarno-Hatta Intl-ONT Ontario

34h 25m2 stops Incheon Intl Seattle/Tacoma Intl

$769Delta

Wed, Jan 13 - Tue, Jun 22

7:00 am - 8:20 pmONT Ontario-CGK Jakarta Soekarno-Hatta Intl

46h 20m2 stops Seattle/Tacoma Intl Incheon Intl

2:00 am - 5:17 pmCGK Jakarta Soekarno-Hatta Intl-ONT Ontario

29h 17m2 stops Incheon Intl Seattle/Tacoma Intl

$774Korean Air

Tue, Nov 10 - Wed, Nov 25

6:00 am - 10:05 pmONT Ontario-MNL Manila Ninoy Aquino Intl

24h 05m2 stops Seattle/Tacoma Intl Tokyo Narita

12:50 pm - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

20h 15m1 stop Taipei City Taiwan Taoyuan Intl

$831Multiple Airlines

Thu, Jan 28 - Sun, Feb 28

6:00 am - 10:05 pmONT Ontario-MNL Manila Ninoy Aquino Intl

24h 05m2 stops Seattle/Tacoma Intl Tokyo Narita

10:55 am - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

22h 10m1 stop Taipei City Taiwan Taoyuan Intl

$831Multiple Airlines

Recent last minute flight deals from Ontario to Southeast Asia

Fri, Aug 7 - Wed, Sep 30

11:55 pm - 9:30 amONT Ontario-MNL Manila Ninoy Aquino Intl

18h 35m1 stop Taipei City Taiwan Taoyuan Intl

10:45 am - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$757STARLUX Airlines

Sat, Aug 8 - Mon, Sep 7

11:55 pm - 9:30 amONT Ontario-MNL Manila Ninoy Aquino Intl

18h 35m1 stop Taipei City Taiwan Taoyuan Intl

10:45 am - 5:05 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$758STARLUX Airlines

Sun, Aug 9 - Thu, Aug 27

12:45 am - 9:35 amONT Ontario-MNL Manila Ninoy Aquino Intl

17h 50m1 stop Taipei City Taiwan Taoyuan Intl

4:50 pm - 6:40 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

16h 50m1 stop Taipei City Taiwan Taoyuan Intl

$762China Airlines

Sat, Aug 8 - Sat, Sep 19

12:45 am - 9:35 amONT Ontario-MNL Manila Ninoy Aquino Intl

17h 50m1 stop Taipei City Taiwan Taoyuan Intl

10:35 am - 6:00 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

$762China Airlines

Thu, Aug 6 - Thu, Sep 10

6:00 am - 1:05 amONT Ontario-BKK Bangkok Suvarnabhumi

29h 05m2 stops Salt Lake City Incheon Intl

9:50 am - 10:40 pmBKK Bangkok Suvarnabhumi-ONT Ontario

26h 50m2 stops Incheon Intl Seattle/Tacoma Intl

$821Delta

Thu, Aug 6 - Tue, Aug 18

6:00 am - 1:05 amONT Ontario-BKK Bangkok Suvarnabhumi

29h 05m2 stops Salt Lake City Incheon Intl

2:35 am - 11:16 amBKK Bangkok Suvarnabhumi-ONT Ontario

46h 41m2 stops Incheon Intl Seattle/Tacoma Intl

$827Delta

Thu, Aug 6 - Sun, Sep 20

6:20 am - 11:59 pmONT Ontario-MNL Manila Ninoy Aquino Intl

26h 39m2 stops Seattle/Tacoma Intl Incheon Intl

11:30 pm - 5:19 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

32h 49m2 stops Incheon Intl Seattle/Tacoma Intl

$835Korean Air

Fri, Aug 7 - Fri, Aug 21

6:20 am - 10:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

37h 35m2 stops Seattle/Tacoma Intl Incheon Intl

3:10 am - 10:45 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

34h 35m2 stops Incheon Intl Seattle/Tacoma Intl

$835Korean Air

Mon, Aug 10 - Sun, Sep 20

5:00 am - 5:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

33h 55m2 stops Denver Intl San Francisco

8:40 am - 8:01 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

26h 21m1 stop San Francisco

$850United Airlines

Thu, Aug 6 - Sun, Sep 20

1:18 pm - 5:55 amONT Ontario-MNL Manila Ninoy Aquino Intl

25h 37m2 stops Denver Intl San Francisco

8:40 am - 6:11 pmMNL Manila Ninoy Aquino Intl-ONT Ontario

24h 31m1 stop San Francisco

$850United Airlines

Booking Insights

KAYAK's insights & trends for Ontario to Southeast Asia flights

Get data-powered insights and trends into flights from Ontario to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

Can I save money by flying with a layover from Ontario to Southeast Asia?

No, with an average price for the route of $393, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Ontario to Southeast Asia?

The cheapest month for flights from Ontario to Southeast Asia is March, when tickets cost $743 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,415 and $1,358 respectively.

How far in advance should I book a flight from Ontario to Southeast Asia?

To get a below average price on the flight from Ontario to Southeast Asia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Find deals

Low season	September
High season	February
Cheapest flight	$382

Best time to beat the crowds with an average 15% drop in price.

Most popular time to fly and prices are also 20% lower on average.

Flight from Ontario to Bangkok

How does KAYAK find such low prices on flights from Ontario to Southeast Asia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Southeast Asia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Southeast Asia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Southeast Asia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Southeast Asia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Southeast Asia with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Southeast Asia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Southeast Asia

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Information on your arrival and departure airports

Ontario (ONT)

$382 Find Cheap Flights from Ontario to Southeast Asia - Compare and Save

Cheap Flights from Ontario to Southeast Asia

Book Cheap Ontario to Southeast Asia Plane Tickets

Recent round-trip flight deals from Ontario to Southeast Asia

Recent one-way flight deals from Ontario to Southeast Asia

Recent last minute flight deals from Ontario to Southeast Asia

KAYAK's insights & trends for Ontario to Southeast Asia flights

Can I save money by flying with a layover from Ontario to Southeast Asia?

What is the cheapest month to fly from Ontario to Southeast Asia?

How far in advance should I book a flight from Ontario to Southeast Asia?

Which airlines fly non-stop between Ontario and Southeast Asia?

Which airlines provide the cheapest flights from Ontario to Southeast Asia?

How long does a flight from Ontario to Southeast Asia take?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Southeast Asia flights

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

Cabin class types available on flights to Ontario

Complete your trip to Southeast Asia with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Ontario

Flights from Ontario to popular cities in Southeast Asia

Find deals for your return flight