$172+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MLB
Jun 17 — Jun 241
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
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 May 18, 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 May 18, 2026.
This American Airlines deal was found by Cheapflights users on 5/15. 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 9/811:25 pm
ONT
- MLB
1 stop10h 39m
American Airlines
Sat 9/121:46 pm
MLB
- ONT
1 stop9h 09m
American Airlines
Deal found 5/15![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/1410:10 pm
ONT
- MLB
1 stop10h 00m
American Airlines
Tue 7/215:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 5/14![American Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 5/14. 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 5/2910:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Tue 6/25:46 am
MLB
- ONT
1 stop8h 11m
Delta
Deal found 5/14![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 5/14. 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 7/1411:48 am
ONT
- MLB
1 stop9h 01m
Delta
Tue 7/285:37 am
MLB
- ONT
1 stop8h 01m
Delta
Deal found 5/14![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/211:10 pm
ONT
- MLB
2 stops19h 00m
American Airlines
Wed 7/295:41 pm
MLB
- ONT
1 stop7h 53m
American Airlines
Deal found 5/14![American Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 5/14. 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
2 stops13h 01m
Delta
Deal found 5/14![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 5/14. 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.
Thu 7/1610:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 7/285:37 am
MLB
- ONT
1 stop8h 01m
Delta
Deal found 5/14![Delta logo]()
$509
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 May 18, 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 May 18, 2026.
This American Airlines deal was found by Cheapflights users on 5/15. 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 9/811:25 pm
ONT
- MLB
1 stop10h 39m
American Airlines
Sat 9/121:46 pm
MLB
- ONT
1 stop9h 09m
American Airlines
Deal found 5/15![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 5/14. 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 5/2910:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Tue 6/25:46 am
MLB
- ONT
1 stop8h 11m
Delta
Deal found 5/14![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 5/14. 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 7/1411:48 am
ONT
- MLB
1 stop9h 01m
Delta
Tue 7/285:37 am
MLB
- ONT
1 stop8h 01m
Delta
Deal found 5/14![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 5/15. 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 5/15![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 5/14. 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.
Thu 7/1610:00 pm
ONT
- MLB
1 stop9h 26m
Delta
Tue 7/285:37 am
MLB
- ONT
1 stop8h 01m
Delta
Deal found 5/14![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 5/16. 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 7/57:05 am
ONT
- MLB
1 stop8h 34m
Delta
Sun 7/125:37 am
MLB
- ONT
1 stop8h 01m
Delta
Deal found 5/16![Delta logo]()
$593
This Delta deal was found by Cheapflights users on 5/17. 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 6/710:00 pm
ONT
- MLB
1 stop9h 28m
Delta
Sat 6/136:40 am
MLB
- ONT
1 stop7h 00m
Delta
Deal found 5/17![Delta logo]()
$613
This Delta deal was found by Cheapflights users on 5/14. 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 6/512:07 pm
ONT
- MLB
1 stop8h 39m
Delta
Sat 6/136:40 am
MLB
- ONT
1 stop7h 00m
Delta
Deal found 5/14![Delta logo]()
$613
This Delta deal was found by Cheapflights users on 5/17. 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 6/1511:50 am
ONT
- MLB
1 stop9h 01m
Delta
Mon 6/227:24 pm
MLB
- ONT
2 stops19h 46m
Delta
Deal found 5/17![Delta logo]()
$668
Last-minute flights from Ontario to MelbourneDiscover last-minute flight deals from Ontario to Melbourne. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Melbourne. Data last updated May 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/15. 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 5/2210:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Tue 5/262:39 pm
MLB
- ONT
1 stop10h 09m
Delta
Deal found 5/15![Delta logo]()
$586
This Delta deal was found by Cheapflights users on 5/14. 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 5/2910:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Tue 6/25:46 am
MLB
- ONT
1 stop8h 11m
Delta
Deal found 5/14![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 5/18. 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 6/27:05 am
ONT
- MLB
1 stop8h 15m
Delta
Sat 6/62:39 pm
MLB
- ONT
1 stop10h 09m
Delta
Deal found 5/18![Delta logo]()
$521
This American Airlines deal was found by Cheapflights users on 5/18. 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 6/25:44 am
ONT
- MLB
2 stops15h 08m
American Airlines
Sat 6/66:02 am
MLB
- ONT
2 stops10h 26m
American Airlines
Deal found 5/18![American Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 5/17. 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 6/37:05 am
ONT
- MLB
1 stop8h 15m
Delta
Sat 6/136:40 am
MLB
- ONT
1 stop7h 00m
Delta
Deal found 5/17![Delta logo]()
$580
This Delta deal was found by Cheapflights users on 5/14. 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
2 stops13h 01m
Delta
Deal found 5/14![Delta logo]()
$508
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 May 18, 2026.
Search for one-way flight options from Ontario to Melbourne. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 6/34:39 pm
ONT
- MLB
2 stops42h 15m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 5/13. 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 6/310:00 pm
ONT
- MLB
1 stop9h 25m
Delta
Deal found 5/13![Delta logo]()
$226
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/95:45 am
ONT
- MLB
2 stops15h 14m
American Airlines
Deal found 5/14![American Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 5/13. 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 7/1812:00 pm
ONT
- MLB
1 stop7h 50m
Delta
Deal found 5/13![Delta logo]()
$240
This Delta deal was found by Cheapflights users on 5/17. 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 6/2910:00 pm
ONT
- MLB
1 stop9h 28m
Delta
Deal found 5/17![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 5/16. 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 5/277:05 am
ONT
- MLB
1 stop8h 15m
Delta
Deal found 5/16![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 5/14. 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 7/141:10 pm
ONT
- MLB
2 stops19h 00m
American Airlines
Deal found 5/14![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 5/15. 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 7/177:05 am
ONT
- MLB
1 stop8h 33m
Delta
Deal found 5/15![Delta logo]()
$330
This Delta deal was found by Cheapflights users on 5/15. 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 6/27:05 am
ONT
- MLB
1 stop8h 15m
Delta
Deal found 5/15![Delta logo]()
$339
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 May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $419 (American Airlines) |
One-way from | $172 (Kiwi.com) |
Popular in | January |
Cheapest in | May |
Average price | $308 |
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 May 18, 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 9/8
11:25 pm-1:04 pm
1 stop10h 39m
Melbourne
Sat 9/12
1:46 pm-7:55 pm
1 stop9h 09m
$419
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Fri 5/29
10:00 pm-10:25 am
1 stop9h 25m
Melbourne
Tue 6/2
5:46 am-10:57 am
1 stop8h 11m
$470
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Tue 7/14
11:48 am-11:49 pm
1 stop9h 01m
Melbourne
Tue 7/28
5:37 am-10:38 am
1 stop8h 01m
$479
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Thu 7/16
10:00 pm-10:26 am
1 stop9h 26m
Melbourne
Tue 7/28
5:37 am-10:38 am
1 stop8h 01m
$509
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Tue 7/28
10:10 pm-11:10 am
1 stop10h 00m
Melbourne
Tue 8/4
5:41 pm-10:34 pm
1 stop7h 53m
$529
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sun 7/5
7:05 am-6:39 pm
1 stop8h 34m
Melbourne
Sun 7/12
5:37 am-10:38 am
1 stop8h 01m
$593
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Sun 6/7
10:00 pm-10:28 am
1 stop9h 28m
Melbourne
Sat 6/13
6:40 am-10:40 am
1 stop7h 00m
$613
Quickest round-trip
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Fri 6/5
12:07 pm-11:46 pm
1 stop8h 39m
Melbourne
Sat 6/13
6:40 am-10:40 am
1 stop7h 00m
$613
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Mon 6/15
11:50 am-11:51 pm
1 stop9h 01m
Melbourne
Mon 6/22
7:24 pm-12:10 pm
2 stops19h 46m
$668
Cheapest one-way
OntarioMelbourne
ONT - MLB
ONTMLB
Ontario
Wed 6/3
4:39 pm-1:54 pm
2 stops42h 15m
$172
Showing 1-10 of 20 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 May.
| 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 May 18, 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.
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Melbourne flight routes
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Alternative routes for Ontario to Melbourne
See prices for flight routes from nearby airports that may be better suited for you.
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 May 18, 2026.
Ontario and Melbourne flights
Browse other Ontario and Melbourne flight options. Last updated on May 18, 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 May 18, 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$498 | FlexibilityNo cancel fee | On-timeN/A |