$231+ Cheap flights from Ontario to Melbourne, FL (ONT - MLB)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLB
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Melbourne with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Melbourne
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One-way
Cheapest flights from Ontario to MelbourneExplore the most affordable flight options available from Ontario to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from Ontario to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Wed 7/295:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/4![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:59 pm
ONT
- MLB
1 stop8h 35m
Delta
Thu 10/293:20 pm
MLB
- ONT
1 stop9h 54m
Delta
Deal found 5/31![Delta logo]()
$500
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Tue 8/45:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/4![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/2![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/2![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Sat 6/136:40 am
MLB
- ONT
1 stop7h 00m
Delta
Deal found 6/2![Delta logo]()
$586
Best flights from Ontario to MelbourneDiscover carefully curated flight deals from Ontario to Melbourne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Ontario to Melbourne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/1![Delta logo]()
$534
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Tue 8/45:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 5/31![American Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/3![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:05 am
ONT
- MLB
1 stop7h 35m
Delta
Sun 8/306:00 am
MLB
- ONT
1 stop7h 42m
Delta
Deal found 5/31![Delta logo]()
$618
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:05 am
ONT
- MLB
1 stop7h 30m
Delta
Sun 6/215:37 am
MLB
- ONT
1 stop8h 03m
Delta
Deal found 6/2![Delta logo]()
$627
Last-minute flights from Ontario to MelbourneDiscover last-minute flight deals from Ontario to Melbourne. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Melbourne. Data last updated June 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Sat 6/136:40 am
MLB
- ONT
1 stop7h 00m
Delta
Deal found 6/2![Delta logo]()
$586
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:00 pm
ONT
- MLB
1 stop10h 10m
American Airlines
Tue 7/75:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/1![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Wed 7/295:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/4![American Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Tue 8/45:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/4![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/2![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 8/42:55 pm
MLB
- ONT
2 stops11h 39m
Delta
Deal found 6/2![Delta logo]()
$564
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Tue 8/45:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 6/2![American Airlines logo]()
$613
One-way flights from Ontario to MelbourneSearch for one-way flight options from Ontario to Melbourne. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Ontario to Melbourne. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:50 am
ONT
- MLB
1 stop8h 01m
Delta
Deal found 6/4![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:00 pm
ONT
- MLB
1 stop7h 50m
Delta
Deal found 6/4![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:00 pm
ONT
- MLB
1 stop8h 14m
Delta
Deal found 5/31![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:05 am
ONT
- MLB
1 stop7h 55m
Delta
Deal found 6/4![Delta logo]()
$270
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:00 pm
ONT
- MLB
1 stop9h 29m
Delta
Deal found 6/1![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Deal found 5/31![Delta logo]()
$330
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:05 am
ONT
- MLB
1 stop8h 34m
Delta
Deal found 6/1![Delta logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:00 am
ONT
- MLB
2 stops29h 09m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:00 pm
ONT
- MLB
1 stop9h 29m
Delta
Deal found 6/4![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:05 am
ONT
- MLB
1 stop7h 30m
Delta
Deal found 6/1![Delta logo]()
$420
Find flight deals from Ontario to Melbourne
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Melbourne (MLB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $469 (American Airlines) |
One-way from | $242 (Delta) |
Popular in | January |
Cheapest in | May |
Average price | $358 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Melbourne 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, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Ontario to Melbourne that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Tue 7/28
10:00 pm-10:26 am
1 stop9h 26m
Melbourne
Tue 8/4
2:55 pm-11:34 pm
2 stops11h 39m
$534
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Wed 7/29
10:00 pm-10:26 am
1 stop9h 26m
Melbourne
Tue 8/4
2:55 pm-11:34 pm
2 stops11h 39m
$564
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Wed 7/29
10:10 pm-11:10 am
1 stop10h 00m
Melbourne
Tue 8/4
5:41 pm-10:34 pm
1 stop7h 53m
$613
Quickest round-trip
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sat 8/1
7:05 am-5:40 pm
1 stop7h 35m
Melbourne
Sun 8/30
6:00 am-10:42 am
1 stop7h 42m
$618
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sat 6/20
7:05 am-5:35 pm
1 stop7h 30m
Melbourne
Sun 6/21
5:37 am-10:40 am
1 stop8h 03m
$627
Cheapest one-way
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sat 7/4
11:50 am-10:51 pm
1 stop8h 01m
$231
Quickest one-way
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sat 8/15
12:00 pm-10:50 pm
1 stop7h 50m
$242
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sat 8/8
12:00 pm-10:50 pm
1 stop7h 50m
$242
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Fri 8/28
12:00 pm-11:14 pm
1 stop8h 14m
$257
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Fri 7/3
10:00 pm-10:29 am
1 stop9h 29m
$279
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Ontario to Melbourne
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Melbourne in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Melbourne, Florida flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Melbourne, Florida flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Melbourne, Florida flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Melbourne, Florida flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Melbourne, Florida flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Melbourne
Have a flexible travel schedule? Discover the best time to fly to Melbourne from Ontario with our price prediction graph.
ONT-MLB
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Melbourne
Reviews of airlines servicing Melbourne
Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated June 5, 2026.
Peruse reviews from past customers who have flown with Delta from Ontario to Melbourne to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Melbourne by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Melbourne by cabin class
Find flights from Ontario to Melbourne, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Melbourne
Explore flights to Melbourne departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Ontario and Melbourne flights
Browse other Ontario and Melbourne flight options. Last updated on June 5, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Melbourne
Discover the top airline that operate flights from Ontario to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$508 | FlexibilityNo cancel fee | On-timeN/A |