$226+ Cheap flights from Ontario to Melbourne, FL (ONT - MLB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLB
Dec 2 — Dec 91
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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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 November 2, 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 November 2, 2026.
This Delta deal was found by Cheapflights users on 10/29. 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 12/1112:20 pm -
1 stop7h 50m
Sun 12/136:00 am -
1 stop8h 07m
Deal found 10/29![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Sat 11/215:44 pm -
1 stop8h 36m
Deal found 10/29![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/1111:59 pm -
2 stops19h 51m
Sun 12/135:43 pm -
1 stop8h 10m
Deal found 10/29![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 11/179:50 am -
2 stops9h 46m
Sat 11/215:44 pm -
1 stop8h 36m
Deal found 11/2![American Airlines logo]()
$632
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Fri 11/205:38 pm -
1 stop8h 42m
Deal found 10/29![American Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 10/31. 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.
Wed 11/1112:18 pm -
1 stop7h 51m
Sun 11/156:00 am -
1 stop8h 03m
Deal found 10/31![Delta logo]()
$646
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 November 2, 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 November 2, 2026.
This Delta deal was found by Cheapflights users on 10/29. 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 12/1112:20 pm -
1 stop7h 50m
Sun 12/136:00 am -
1 stop8h 07m
Deal found 10/29![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/1111:59 pm -
2 stops19h 51m
Sun 12/135:43 pm -
1 stop8h 10m
Deal found 11/1![American Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 10/31. 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 1/177:05 am -
1 stop7h 48m
Sat 1/236:00 am -
1 stop8h 55m
Deal found 10/31![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 10/31. 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 1/177:05 am -
1 stop7h 48m
Sun 1/246:00 am -
1 stop8h 55m
Deal found 10/31![Delta logo]()
$523
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Sat 11/215:44 pm -
2 stops17h 51m
Deal found 10/29![American Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 11/179:50 am -
2 stops9h 46m
Sat 11/215:44 pm -
1 stop8h 36m
Deal found 11/2![American Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 10/31. 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.
Mon 1/181:09 pm -
1 stop7h 45m
Sun 1/246:00 am -
1 stop8h 55m
Deal found 10/31![Delta logo]()
$611
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Fri 11/205:38 pm -
1 stop8h 42m
Deal found 11/2![American Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 11/2. 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 11/177:05 am -
1 stop7h 58m
Sat 11/216:00 am -
1 stop8h 03m
Deal found 11/2![Delta logo]()
$677
Last-minute flights from Ontario to MelbourneDiscover last-minute flight deals from Ontario to Melbourne. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Melbourne. Data last updated November 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/31. 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.
Wed 11/1112:18 pm -
1 stop7h 51m
Sun 11/156:00 am -
1 stop8h 03m
Deal found 10/31![Delta logo]()
$646
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Sat 11/215:44 pm -
1 stop8h 36m
Deal found 10/29![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1210:30 pm -
1 stop9h 40m
Fri 11/205:38 pm -
1 stop8h 42m
Deal found 10/29![American Airlines logo]()
$633
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 11/179:50 am -
2 stops9h 46m
Sat 11/215:44 pm -
1 stop8h 36m
Deal found 11/2![American Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 11/2. 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 11/177:05 am -
1 stop7h 58m
Sat 11/216:00 am -
1 stop8h 03m
Deal found 11/2![Delta logo]()
$677
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/2310:30 pm -
1 stop9h 26m
Fri 11/276:00 am -
2 stops10h 19m
Deal found 10/31![American Airlines logo]()
$734
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 November 2, 2026.
Search for one-way flight options from Ontario to Melbourne. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 1/41:07 pm -
1 stop7h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 11/1. 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 11/2412:18 pm -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/29:35 am -
2 stops22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 11/247:45 pm -
2 stops12h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 11/1. 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.
Wed 11/2512:18 pm -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 11/1. 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 3/2712:00 pm -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$380
This American Airlines deal was found by Cheapflights users on 10/30. 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 1/412:51 pm -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![American Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 10/29. 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 11/2712:18 pm -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 11/1. 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 3/267:00 am -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 11/2. 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 12/237:06 am -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$470
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 3/269:28 am -
2 stops11h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$474
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 November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $451 (Delta) |
One-way from | $226 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $409 |
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 7,457,451 searches. Data last updated November 2, 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
Quickest round-trip
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Mon 1/4
1:07 pm-11:54 pm
1 stop7h 47m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$226
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Thu 12/24
11:14 am-10:54 pm
1 stop8h 40m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$310
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Wed 12/2
7:05 am-6:00 pm
1 stop7h 55m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$350
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Fri 11/27
12:18 pm-11:09 pm
1 stop7h 51m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$420
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Fri 12/25
11:14 am-10:54 pm
1 stop8h 40m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$420
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Fri 3/26
7:00 am-5:57 pm
1 stop7h 57m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$450
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Wed 12/23
7:06 am-6:04 pm
1 stop7h 58m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$470
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Sat 3/27
10:34 am-12:12 am
2 stops10h 38m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$474
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Fri 3/26
9:28 am-12:12 am
2 stops11h 44m
Melbourne
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$474
OntarioMelbourne
ONT Ontario - MLB Melbourne
ONTMLB
Ontario
Fri 12/11
12:20 pm-11:10 pm
1 stop7h 50m
Melbourne
Sun 12/13
6:00 am-11:07 am
1 stop8h 07m
$479
Showing 1-10 of 19 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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.
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 November 2, 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.
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
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.
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Alternative routes for Ontario to Melbourne
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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 November 2, 2026.
Ontario and Melbourne flights
Browse other Ontario and Melbourne flight options. Last updated on November 2, 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 November 2, 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 7,457,451 searches. Data last updated November 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$389 | Average$567 | FlexibilityNo cancel fee | On-timeN/A |