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Cheap flights from Ontario to Melbourne from $538

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Melbourne departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 am - 11:40 pmONT  Ontario-MEL Melbourne
43h 40m2 stops Honolulu Sydney Kingsford Smith
Multiple Airlines Logo
5:05 pm - 9:28 pmMEL  Melbourne-ONT Ontario
23h 23m2 stops Sydney Kingsford Smith Honolulu
$1,074Multiple Airlines
Tue, Feb 2 - Sun, Feb 7
Multiple Airlines Logo
9:00 am - 11:40 pmONT  Ontario-MEL Melbourne
43h 40m2 stops Honolulu Sydney Kingsford Smith
Multiple Airlines Logo
5:05 pm - 9:28 pmMEL  Melbourne-ONT Ontario
23h 23m2 stops Sydney Kingsford Smith Honolulu
$1,074Multiple Airlines
Tue, Feb 2 - Tue, Feb 9
United Airlines Logo
7:13 pm - 8:15 amONT  Ontario-MEL Melbourne
20h 02m1 stop San Francisco
United Airlines Logo
10:55 am - 12:12 pmMEL  Melbourne-ONT Ontario
18h 17m1 stop San Francisco
$1,103United Airlines
Mon, Aug 24 - Mon, Sep 7
United Airlines Logo
7:13 pm - 8:15 amONT  Ontario-MEL Melbourne
20h 02m1 stop San Francisco
United Airlines Logo
10:55 am - 12:12 pmMEL  Melbourne-ONT Ontario
18h 17m1 stop San Francisco
$1,104United Airlines
Mon, Aug 24 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 8:35 amONT  Ontario-MEL Melbourne
31h 35m2 stops Honolulu Sydney Kingsford Smith
Multiple Airlines Logo
6:00 pm - 9:42 pmMEL  Melbourne-ONT Ontario
22h 42m2 stops Sydney Kingsford Smith Honolulu
$1,104Multiple Airlines
Wed, Oct 28 - Sat, Nov 7
United Airlines Logo
6:53 pm - 10:30 amONT  Ontario-MEL Melbourne
20h 37m1 stop San Francisco
United Airlines Logo
12:45 pm - 12:20 pmMEL  Melbourne-ONT Ontario
18h 35m1 stop San Francisco
$1,113United Airlines
Tue, Dec 1 - Mon, Dec 7
United Airlines Logo
6:53 pm - 10:30 amONT  Ontario-MEL Melbourne
20h 37m1 stop San Francisco
United Airlines Logo
12:45 pm - 12:20 pmMEL  Melbourne-ONT Ontario
18h 35m1 stop San Francisco
$1,113United Airlines
Wed, Dec 2 - Wed, Dec 16
United Airlines Logo
6:37 pm - 9:30 amONT  Ontario-MEL Melbourne
20h 53m1 stop San Francisco
United Airlines Logo
12:45 pm - 12:29 pmMEL  Melbourne-ONT Ontario
18h 44m1 stop San Francisco
$1,113United Airlines
Sun, Oct 25 - Wed, Nov 11
United Airlines Logo
6:53 pm - 10:30 amONT  Ontario-MEL Melbourne
20h 37m1 stop San Francisco
United Airlines Logo
12:45 pm - 3:27 pmMEL  Melbourne-ONT Ontario
21h 42m1 stop San Francisco
$1,113United Airlines
Mon, Feb 1 - Tue, Feb 9
United Airlines Logo
6:53 pm - 10:30 amONT  Ontario-MEL Melbourne
20h 37m1 stop San Francisco
United Airlines Logo
12:45 pm - 12:20 pmMEL  Melbourne-ONT Ontario
18h 35m1 stop San Francisco
$1,113United Airlines
Sun, Dec 6 - Sun, Dec 13

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United Airlines flights from Ontario to Melbourne Airport

Our best United Airlines deals on Ontario to Melbourne Airport flight tickets
United Airlines
Aug 23
ONT7:13 pmOntario
20h 02m
1 stop
MEL8:15 amMelbourne
Sep 7
MEL10:55 amMelbourne
18h 17m
1 stop
ONT12:12 pmOntario
$1,104
United Airlines
Aug 17
ONT7:13 pmOntario
20h 02m
1 stop
MEL8:15 amMelbourne
Aug 30
MEL10:55 amMelbourne
18h 17m
1 stop
ONT12:12 pmOntario
$1,106
United Airlines
Feb 1
ONT11:20 amOntario
28h 10m
1 stop
MEL10:30 amMelbourne
Feb 7
MEL12:45 pmMelbourne
18h 35m
1 stop
ONT12:20 pmOntario
$1,113

China Airlines flights from Ontario to Melbourne Airport

Our best China Airlines deals on Ontario to Melbourne Airport flight tickets
China Airlines
Aug 25
ONT12:45 amOntario
40h 55m
1 stop
MEL10:40 amMelbourne
Sep 9
MEL9:50 pmMelbourne
37h 50m
1 stop
ONT6:40 pmOntario
$2,348
China Airlines
Aug 16
ONT12:45 amOntario
40h 55m
1 stop
MEL10:40 amMelbourne
Aug 19
MEL9:50 pmMelbourne
37h 50m
1 stop
ONT6:40 pmOntario
$2,397
China Airlines
Aug 25
ONT12:45 amOntario
40h 55m
1 stop
MEL10:40 amMelbourne
Sep 2
MEL9:50 pmMelbourne
37h 50m
1 stop
ONT6:40 pmOntario
$2,428

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Melbourne Airport 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, momondo users made 832,500 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Ontario to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Tue 2/2

9:00 am-11:40 pm

2 stops43h 40m

Melbourne

Sun 2/7

5:05 pm-9:28 pm

2 stops23h 23m

$1,074

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Tue 2/2

9:00 am-11:40 pm

2 stops43h 40m

Melbourne

Tue 2/9

5:05 pm-9:28 pm

2 stops23h 23m

$1,074
Quickest round-trip

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Mon 8/24

7:13 pm-8:15 am

1 stop20h 02m

Melbourne

Mon 9/7

10:55 am-12:12 pm

1 stop18h 17m

$1,103

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Mon 8/24

7:13 pm-8:15 am

1 stop20h 02m

Melbourne

Mon 9/7

10:55 am-12:12 pm

1 stop18h 17m

$1,104

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Wed 10/28

7:00 am-8:35 am

2 stops31h 35m

Melbourne

Sat 11/7

6:00 pm-9:42 pm

2 stops22h 42m

$1,104

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Tue 12/1

6:53 pm-10:30 am

1 stop20h 37m

Melbourne

Mon 12/7

12:45 pm-12:20 pm

1 stop18h 35m

$1,113

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Wed 12/2

6:53 pm-10:30 am

1 stop20h 37m

Melbourne

Wed 12/16

12:45 pm-12:20 pm

1 stop18h 35m

$1,113

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Sun 10/25

6:37 pm-9:30 am

1 stop20h 53m

Melbourne

Wed 11/11

12:45 pm-12:29 pm

1 stop18h 44m

$1,113

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Mon 2/1

6:53 pm-10:30 am

1 stop20h 37m

Melbourne

Tue 2/9

12:45 pm-3:27 pm

1 stop21h 42m

$1,113

OntarioMelbourne

ONT Ontario - MEL Melbourne

ONTMEL

Ontario

Sun 12/6

6:53 pm-10:30 am

1 stop20h 37m

Melbourne

Sun 12/13

12:45 pm-12:20 pm

1 stop18h 35m

$1,113

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

How to get the cheapest flight ticket from Ontario to Melbourne Airport

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 day to depart on your flight to Melbourne Airport?

On average, the least expensive day to fly to Melbourne Airport from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,066. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Melbourne Airport for around $1,227.

What is the cheapest time of day to depart on your flight to Melbourne Airport?

According to our data, the cheapest time of day to fly to Melbourne Airport is in the evening. momondo users have found flights departing from Ontario to Melbourne Airport in the evening for as low as $1,126. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $1,181. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Melbourne Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Melbourne Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Melbourne Airport (ONT to MEL) flight deals and tips

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

Fastest flight time

20h 02m

Direct flights

None
The fastest flight from Ontario to Melbourne Airport takes 20h 02m
There are no direct flights from Ontario to Melbourne Airport. There are no popular flight routes from Ontario to Melbourne Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Melbourne Airport

  • How far is Ontario to Melbourne by plane?

    The distance between Ontario and Melbourne is about 7963.6 mi. A reasonable flight in good conditions will take 20h 02m.

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

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

  • How many operators does momondo search for flights from Ontario Airport to Melbourne Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Melbourne Airport.

  • What documentation or ID do you need to fly to Melbourne Airport?

    The travel and health documents required for your trip to Melbourne 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 license, and a passport valid for six-months after you plan to arrive at Melbourne Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Melbourne Airport?

Best airlines flying from Ontario to Melbourne Airport

Compare and see reviews for airlines that fly from Ontario to Melbourne Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,049Free CancellationRating
7.4
10,114 reviews
Search United Airlines flights

Traveling to a place near Melbourne?

Book flights to Melbourne if you plan to visit one of these locations
Shepparton
Ballarat
Geelong
Apollo Bay
Dandenong
Tullamarine
Daylesford
Torquay
Sorrento
Lorne
St Kilda
Mornington
Brighton
Doncaster
Phillip Island

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Melbourne. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Melbourne from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Melbourne from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Melbourne, momondo offers a useful price alert feature which will track prices for flights to Melbourne from Ontario and alert you when they change.

An easier way to manage your Melbourne Airport trip

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