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.

$1,760 Cheap Flights from Adelaide to Ontario in 2025

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Adelaide to Los Angeles

Round-trip

One-way

Cheap return flights

06:05 - 17:37ADL-ONT

28h 02m2 stops

13:42 - 10:55ONT-ADL

28h 43m2 stops

$1,760United Airlines

Find Deal

Mon, 1 Sep - Sat, 20 Sep

06:05 - 12:13ADL-ONT

22h 38m2 stops

18:38 - 14:10ONT-ADL

26h 02m2 stops

$1,761United Airlines

Find Deal

Mon, 29 Sep - Tue, 28 Oct

06:05 - 12:13ADL-ONT

22h 38m2 stops

18:38 - 12:00ONT-ADL

23h 52m2 stops

$1,835United Airlines

Find Deal

Wed, 1 Oct - Thu, 30 Oct

06:00 - 12:13ADL-ONT

22h 43m2 stops

20:16 - 13:15ONT-ADL

23h 29m2 stops

$1,851United Airlines

Find Deal

Thu, 2 Oct - Sun, 12 Oct

12:45 - 18:40ADL-ONT

46h 25m2 stops

00:45 - 18:20ONT-ADL

49h 05m2 stops

$2,447China Airlines

Find Deal

Thu, 11 Sep - Sat, 13 Sep

12:45 - 18:40ADL-ONT

46h 25m2 stops

00:45 - 15:35ONT-ADL

46h 20m2 stops

$2,462China Airlines

Find Deal

Thu, 11 Sep - Sat, 13 Sep

16:55 - 18:00ADL-ONT

41h 35m2 stops

00:10 - 16:15ONT-ADL

46h 35m2 stops

$3,083China Airlines

Find Deal

Mon, 15 Sep - Sun, 5 Oct

11:40 - 18:47ADL-ONT

47h 37m3 stops

06:00 - 15:50ONT-ADL

41h 20m2 stops

$3,686Qatar Airways

Find Deal

Thu, 11 Sep - Sun, 14 Sep

11:40 - 18:47ADL-ONT

47h 37m3 stops

06:00 - 15:50ONT-ADL

41h 20m2 stops

$3,707Qatar Airways

Find Deal

Thu, 11 Sep - Sun, 14 Sep

21:40 - 18:47ADL-ONT

37h 37m2 stops

11:39 - 06:40ONT-ADL

50h 31m3 stops

$3,757Qatar Airways

Find Deal

Thu, 11 Sep - Sun, 14 Sep

China Airlines flights from Adelaide to Ontario

Our best China Airlines deals on Adelaide to Ontario flight tickets

China Airlines

11 Sept

ADL12:45Adelaide

46h 25m

2 stops

ONT18:40Ontario

13 Sept

ONT00:45Ontario

49h 05m

2 stops

ADL18:20Adelaide

$2,447

Find similar

China Airlines

11 Sept

ADL12:45Adelaide

46h 25m

2 stops

ONT18:40Ontario

13 Sept

ONT00:45Ontario

46h 20m

2 stops

ADL15:35Adelaide

$2,462

Find similar

China Airlines

15 Sept

ADL16:55Adelaide

41h 35m

2 stops

ONT18:00Ontario

5 Oct

ONT00:10Ontario

46h 35m

2 stops

ADL16:15Adelaide

$3,083

Find similar

United Airlines flights from Adelaide to Ontario

Our best United Airlines deals on Adelaide to Ontario flight tickets

United Airlines

1 Sept

ADL06:05Adelaide

28h 02m

2 stops

ONT17:37Ontario

20 Sept

ONT13:42Ontario

28h 43m

2 stops

ADL10:55Adelaide

$1,760

Find similar

United Airlines

29 Sept

ADL06:05Adelaide

22h 38m

2 stops

ONT12:13Ontario

28 Oct

ONT18:38Ontario

26h 02m

2 stops

ADL14:10Adelaide

$1,761

Find similar

United Airlines

1 Oct

ADL06:05Adelaide

22h 38m

2 stops

ONT12:13Ontario

30 Oct

ONT18:38Ontario

23h 52m

2 stops

ADL12:00Adelaide

$1,835

Find similar

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

Which airlines fly to Ontario?

Qantas Airways, Fiji Airways and Virgin Australia 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 44% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 8 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

Best price found	$1,760
Fastest flight time	21h 18m
Direct flights	None
Airports in Ontario	1 airport

The best flight deal from Adelaide to Ontario found on momondo in the last 72 hours is $1,760

The fastest flight from Adelaide to Ontario takes 21h 18m

There are no direct flights from Adelaide to Ontario. Popular non-direct route for this connection is Adelaide Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

How far is Adelaide to Ontario by plane?
Ontario is 13203.4 km away from Adelaide. Flights usually cover this in 21h 18m, 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.