When did momondo last update prices for flights from Adelaide Airport to Ontario Airport?

Prices for flights from Adelaide Airport to Ontario Airport are updated daily.

How old do you have to be to fly from Adelaide Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,086 Cheap Flights from Adelaide to Ontario in 2026

1 adult

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Find the cheapest flights from Adelaide to Los Angeles

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 12:20

ADL

ONT

23h 40m

2 stops

06:00 - 14:10

ONT

ADL

37h 40m

2 stops

$1,804United Airlines

Wed, 28 Oct - Sun, 1 Nov

08:40 - 23:06

ADL

ONT

31h 56m

2 stops

16:03 - 14:10

ONT

ADL

27h 37m

2 stops

$1,807United Airlines

Wed, 28 Oct - Sun, 1 Nov

08:40 - 23:06

ADL

ONT

31h 56m

2 stops

16:03 - 14:10

ONT

ADL

27h 37m

2 stops

$1,808United Airlines

Wed, 28 Oct - Sun, 1 Nov

06:05 - 17:54

ADL

ONT

28h 19m

2 stops

18:39 - 11:05

ONT

ADL

23h 56m

2 stops

$1,812United Airlines

Thu, 6 Aug - Mon, 10 Aug

06:00 - 12:12

ADL

ONT

23h 42m

2 stops

18:53 - 14:10

ONT

ADL

25h 47m

2 stops

$1,887United Airlines

Mon, 19 Oct - Thu, 29 Oct

19:10 - 21:22

ADL

ONT

43h 42m

2 stops

07:00 - 16:25

ONT

ADL

39h 55m

2 stops

$1,967Multiple Airlines

Mon, 19 Oct - Thu, 29 Oct

19:10 - 21:22

ADL

ONT

43h 42m

2 stops

07:00 - 10:55

ONT

ADL

34h 25m

2 stops

$1,975Multiple Airlines

Mon, 19 Oct - Thu, 29 Oct

14:25 - 22:10

ADL

ONT

24h 15m

2 stops

09:31 - 22:35

ONT

ADL

44h 34m

2 stops

$2,225Multiple Airlines

Sun, 6 Sep - Sun, 27 Sep

14:25 - 21:45

ADL

ONT

23h 50m

2 stops

09:11 - 11:05

ONT

ADL

57h 24m

2 stops

$2,243Multiple Airlines

Sat, 20 Jun - Tue, 30 Jun

06:25 - 21:45

ADL

ONT

31h 50m

2 stops

09:11 - 22:35

ONT

ADL

44h 54m

2 stops

$2,325Multiple Airlines

Tue, 16 Jun - Thu, 23 Jul

United Airlines flights from Adelaide to Ontario

Our best United Airlines deals on Adelaide to Ontario flight tickets

United Airlines

28 Oct

ADL06:10Adelaide

23h 40m

2 stops

ONT12:20Ontario

1 Nov

ONT06:00Ontario

37h 40m

2 stops

ADL14:10Adelaide

$1,804

United Airlines

28 Oct

ADL08:40Adelaide

31h 56m

2 stops

ONT23:06Ontario

1 Nov

ONT16:03Ontario

27h 37m

2 stops

ADL14:10Adelaide

$1,807

United Airlines

28 Oct

ADL08:40Adelaide

31h 56m

2 stops

ONT23:06Ontario

1 Nov

ONT16:03Ontario

27h 37m

2 stops

ADL14:10Adelaide

$1,808

China Airlines flights from Adelaide to Ontario

Our best China Airlines deals on Adelaide to Ontario flight tickets

China Airlines

19 Nov

ADL17:10Adelaide

42h 10m

2 stops

ONT16:50Ontario

9 Jan

ONT22:50Ontario

48h 25m

2 stops

ADL17:45Adelaide

$12,383

China Airlines

19 Nov

ADL12:35Adelaide

46h 45m

2 stops

ONT16:50Ontario

6 Jan

ONT22:50Ontario

50h 15m

2 stops

ADL19:35Adelaide

$12,587

China Airlines

19 Nov

ADL17:10Adelaide

42h 10m

2 stops

ONT16:50Ontario

8 Jan

ONT22:50Ontario

47h 05m

2 stops

ADL16:25Adelaide

$14,659

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Wed 28/10

06:10-12:20

2 stops23h 40m

Ontario

Sun 1/11

06:00-14:10

2 stops37h 40m

$1,804

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Wed 28/10

08:40-23:06

2 stops31h 56m

Ontario

Sun 1/11

16:03-14:10

2 stops27h 37m

$1,807

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Wed 28/10

08:40-23:06

2 stops31h 56m

Ontario

Sun 1/11

16:03-14:10

2 stops27h 37m

$1,808

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 6/8

06:05-17:54

2 stops28h 19m

Ontario

Mon 10/8

18:39-11:05

2 stops23h 56m

$1,812

Fastest return journey

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Mon 19/10

06:00-12:12

2 stops23h 42m

Ontario

Thu 29/10

18:53-14:10

2 stops25h 47m

$1,887

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Mon 19/10

19:10-21:22

2 stops43h 42m

Ontario

Thu 29/10

07:00-16:25

2 stops39h 55m

$1,967

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Mon 19/10

19:10-21:22

2 stops43h 42m

Ontario

Thu 29/10

07:00-10:55

2 stops34h 25m

$1,975

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Sun 6/9

14:25-22:10

2 stops24h 15m

Ontario

Sun 27/9

09:31-22:35

2 stops44h 34m

$2,224

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Sat 20/6

14:25-21:45

2 stops23h 50m

Ontario

Tue 30/6

09:11-11:05

2 stops57h 24m

$2,243

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Tue 16/6

06:25-21:45

2 stops31h 50m

Ontario

Thu 23/7

09:11-22:35

2 stops44h 54m

$2,325

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Adelaide to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Adelaide to Ontario?

United Airlines is the most popular carrier operating from Adelaide to Ontario

Which airlines fly to Ontario?

Qantas Airways, Air New Zealand and Fiji Airways are the top three most popular airlines that fly to Ontario from Adelaide according to our data. Qantas Airways is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Adelaide to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Adelaide to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Adelaide to Ontario (ADL to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Ontario

Fastest flight time	22h 02m
Direct flights	None

The fastest flight from Adelaide to Ontario takes 22h 02m

There are no direct flights from Adelaide to Ontario. There are no popular flight routes from Adelaide to Ontario.

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Frequently asked questions about flying from Adelaide to Ontario

How far is Adelaide to Ontario by plane?
Ontario is 13203.4 km away from Adelaide. Flights usually cover this in 22h 02m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Adelaide Airport to Ontario Airport?
Prices for flights from Adelaide Airport to Ontario Airport are updated daily.
How old do you have to be to fly from Adelaide Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Adelaide to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Adelaide to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Adelaide which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Adelaide to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Adelaide to Ontario.

I’m not ready to book a flight from Adelaide to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Adelaide to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.