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.

$958 Cheap Flights from Adelaide to Ontario in 2026

Find the cheapest flights from Adelaide to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 12:01

ADL

ONT

21h 51m

2 stops

09:00 - 14:10

ONT

ADL

34h 40m

2 stops

$1,636United Airlines

Thu, 5 Nov - Mon, 9 Nov

08:40 - 12:01

ADL

ONT

21h 51m

2 stops

09:00 - 14:10

ONT

ADL

34h 40m

2 stops

$1,639United Airlines

Thu, 5 Nov - Mon, 9 Nov

08:40 - 12:01

ADL

ONT

21h 51m

2 stops

09:00 - 14:10

ONT

ADL

34h 40m

2 stops

$1,646United Airlines

Thu, 5 Nov - Mon, 9 Nov

08:40 - 12:01

ADL

ONT

21h 51m

2 stops

09:00 - 14:10

ONT

ADL

34h 40m

2 stops

$1,647United Airlines

Thu, 5 Nov - Mon, 9 Nov

07:15 - 12:12

ADL

ONT

21h 27m

2 stops

18:39 - 11:10

ONT

ADL

24h 01m

2 stops

$1,649United Airlines

Mon, 20 Jul - Mon, 27 Jul

06:00 - 12:12

ADL

ONT

22h 42m

2 stops

18:39 - 11:05

ONT

ADL

23h 56m

2 stops

$1,656United Airlines

Wed, 22 Jul - Wed, 29 Jul

06:05 - 12:12

ADL

ONT

22h 37m

2 stops

13:50 - 11:10

ONT

ADL

28h 50m

2 stops

$1,692United Airlines

Sun, 19 Jul - Sun, 26 Jul

07:40 - 15:22

ADL

ONT

25h 12m

2 stops

18:36 - 12:00

ONT

ADL

23h 54m

2 stops

$1,701United Airlines

Thu, 22 Oct - Thu, 29 Oct

06:05 - 12:12

ADL

ONT

22h 37m

2 stops

13:50 - 10:55

ONT

ADL

28h 35m

2 stops

$1,707United Airlines

Thu, 23 Jul - Thu, 30 Jul

06:10 - 12:20

ADL

ONT

24h 40m

2 stops

18:53 - 09:30

ONT

ADL

20h 07m

1 stop

$1,717United Airlines

Sat, 26 Dec - Sat, 2 Jan

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China Airlines flights from Adelaide to Ontario

Our best China Airlines deals on Adelaide to Ontario flight tickets

China Airlines

10 Sept

ADL14:00Adelaide

45h 10m

2 stops

ONT18:40Ontario

19 Sept

ONT00:10Ontario

47h 05m

2 stops

ADL15:45Adelaide

$2,719

China Airlines

8 Oct

ADL12:40Adelaide

46h 50m

2 stops

ONT18:00Ontario

20 Oct

ONT00:10Ontario

46h 45m

2 stops

ADL16:25Adelaide

$5,384

China Airlines

8 Oct

ADL12:40Adelaide

46h 50m

2 stops

ONT18:00Ontario

20 Oct

ONT00:10Ontario

46h 45m

2 stops

ADL16:25Adelaide

$5,420

United Airlines flights from Adelaide to Ontario

Our best United Airlines deals on Adelaide to Ontario flight tickets

United Airlines

5 Nov

ADL08:40Adelaide

21h 51m

2 stops

ONT12:01Ontario

9 Nov

ONT09:00Ontario

34h 40m

2 stops

ADL14:10Adelaide

$1,636

United Airlines

5 Nov

ADL08:40Adelaide

21h 51m

2 stops

ONT12:01Ontario

9 Nov

ONT09:00Ontario

34h 40m

2 stops

ADL14:10Adelaide

$1,639

United Airlines

5 Nov

ADL08:40Adelaide

21h 51m

2 stops

ONT12:01Ontario

9 Nov

ONT09:00Ontario

34h 40m

2 stops

ADL14:10Adelaide

$1,646

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 5/11

08:40-12:01

2 stops21h 51m

Ontario

Mon 9/11

09:00-14:10

2 stops34h 40m

$1,636

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 5/11

08:40-12:01

2 stops21h 51m

Ontario

Mon 9/11

09:00-14:10

2 stops34h 40m

$1,639

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 5/11

08:40-12:01

2 stops21h 51m

Ontario

Mon 9/11

09:00-14:10

2 stops34h 40m

$1,646

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 5/11

08:40-12:01

2 stops21h 51m

Ontario

Mon 9/11

09:00-14:10

2 stops34h 40m

$1,647

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Mon 20/7

07:15-12:12

2 stops21h 27m

Ontario

Mon 27/7

18:39-11:10

2 stops24h 01m

$1,649

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Wed 22/7

06:00-12:12

2 stops22h 42m

Ontario

Wed 29/7

18:39-11:05

2 stops23h 56m

$1,656

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Sun 19/7

06:05-12:12

2 stops22h 37m

Ontario

Sun 26/7

13:50-11:10

2 stops28h 50m

$1,692

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 22/10

07:40-15:22

2 stops25h 12m

Ontario

Thu 29/10

18:36-12:00

2 stops23h 54m

$1,701

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Thu 23/7

06:05-12:12

2 stops22h 37m

Ontario

Thu 30/7

13:50-10:55

2 stops28h 35m

$1,707

Fastest return journey

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Sat 26/12

06:10-12:20

2 stops24h 40m

Ontario

Sat 2/1

18:53-09:30

1 stop20h 07m

$1,717

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 57% 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	21h 51m
Direct flights	None

The fastest flight from Adelaide to Ontario takes 21h 51m

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 21h 51m, 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.