$134+ Cheap flights from Ontario (ONT) to Cancún (CUN)
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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CUN
Jun 4 — Jun 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Cancún 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 Cancún
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to CancúnExplore the most affordable flight options available from Ontario to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from Ontario to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
This Priceline deal was found by Cheapflights users on 5/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 5/2![Frontier logo]()
$319
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/184:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 4/30![Volaris logo]()
$331
This Jettzy deal was found by Cheapflights users on 5/5. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 6/244:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/5![Volaris logo]()
$333
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:36 pm
ONT
- CUN
1 stop10h 19m
Multiple Airlines
Tue 8/183:35 pm
CUN
- ONT
1 stop10h 14m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$334
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/2412:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 5/5![Volaris logo]()
$335
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/244:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/4![Volaris logo]()
$336
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Thu 6/1112:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 5/4![Volaris logo]()
$337
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:47 pm
ONT
- CUN
1 stop13h 05m
Frontier
Wed 8/123:35 pm
CUN
- ONT
1 stop10h 15m
Frontier
Deal found 5/1![Frontier logo]()
$340
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Mon 7/204:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/4![Volaris logo]()
$345
This Justfly.com deal was found by Cheapflights users on 5/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:55 am
ONT
- CUN
1 stop8h 59m
Volaris
Wed 7/225:50 pm
CUN
- ONT
1 stop7h 15m
Volaris
Deal found 5/3![Volaris logo]()
$348
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Tue 6/2312:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 5/5![Volaris logo]()
$350
Best flights from Ontario to CancúnDiscover carefully curated flight deals from Ontario to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Ontario to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This Volaris deal was found by Cheapflights users on 5/1. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Mon 7/133:35 pm
CUN
- ONT
1 stop10h 15m
Volaris
Deal found 5/1![Volaris logo]()
$464
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:32 pm
ONT
- CUN
2 stops13h 58m
United Airlines
Sat 10/313:51 pm
CUN
- ONT
1 stop7h 30m
United Airlines
Deal found 5/5![United Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:55 pm
ONT
- CUN
1 stop10h 45m
Southwest
Mon 10/124:05 pm
CUN
- ONT
1 stop8h 30m
Southwest
Deal found 5/1![Southwest logo]()
$622
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:02 am
ONT
- CUN
1 stop8h 48m
United Airlines
Tue 11/312:28 pm
CUN
- ONT
1 stop11h 53m
United Airlines
Deal found 4/30![United Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:00 am
ONT
- CUN
1 stop7h 40m
United Airlines
Tue 6/912:57 pm
CUN
- ONT
1 stop11h 40m
United Airlines
Deal found 5/3![United Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:20 pm
ONT
- CUN
2 stops13h 55m
Southwest
Mon 10/192:10 pm
CUN
- ONT
2 stops10h 25m
Southwest
Deal found 5/3![Southwest logo]()
$635
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:02 am
ONT
- CUN
1 stop8h 48m
United Airlines
Sat 11/78:39 am
CUN
- ONT
1 stop15h 42m
United Airlines
Deal found 4/30![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 pm
ONT
- CUN
1 stop18h 10m
United Airlines
Thu 6/187:51 am
CUN
- ONT
1 stop16h 04m
United Airlines
Deal found 5/2![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
ONT
- CUN
1 stop6h 37m
United Airlines
Wed 10/712:57 pm
CUN
- ONT
1 stop9h 19m
United Airlines
Deal found 5/4![United Airlines logo]()
$626
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:18 pm
ONT
- CUN
2 stops18h 48m
United Airlines
Fri 10/95:22 pm
CUN
- ONT
2 stops20h 50m
United Airlines
Deal found 4/30![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
ONT
- CUN
1 stop26h 06m
United Airlines
Wed 10/712:11 pm
CUN
- ONT
1 stop12h 15m
United Airlines
Deal found 5/4![United Airlines logo]()
$642
Last-minute flights from Ontario to CancúnDiscover last-minute flight deals from Ontario to Cancún. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Cancún. Data last updated May 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:55 am
ONT
- CUN
1 stop10h 46m
Multiple Airlines
Sat 5/233:39 pm
CUN
- ONT
1 stop20h 26m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$334
This Priceline deal was found by Cheapflights users on 5/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
ONT
- CUN
1 stop28h 04m
Frontier
Wed 5/273:39 pm
CUN
- ONT
1 stop10h 10m
Frontier
Deal found 5/2![Frontier logo]()
$319
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Wed 6/1010:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/5![Volaris logo]()
$359
This Jettzy deal was found by Cheapflights users on 5/5. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Wed 6/244:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/5![Volaris logo]()
$333
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Thu 6/1112:43 pm
CUN
- ONT
1 stop12h 22m
Volaris
Deal found 5/4![Volaris logo]()
$337
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Fri 6/1210:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/5![Volaris logo]()
$356
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Thu 6/184:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 4/30![Volaris logo]()
$331
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Fri 6/1912:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 4/30![Volaris logo]()
$358
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/244:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/4![Volaris logo]()
$336
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Tue 6/2312:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 5/5![Volaris logo]()
$350
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/2412:43 pm
CUN
- ONT
1 stop9h 03m
Volaris
Deal found 5/5![Volaris logo]()
$335
This Justfly.com deal was found by Cheapflights users on 5/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Sun 6/2110:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/4![Volaris logo]()
$357
One-way flights from Ontario to CancúnSearch for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from Ontario to Cancún. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kissandfly.com deal was found by Cheapflights users on 4/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 4/30![Volaris logo]()
$134
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 4/30![Volaris logo]()
$135
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 4/30![Volaris logo]()
$136
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/5![Volaris logo]()
$138
This Mytrip deal was found by Cheapflights users on 5/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/5![Volaris logo]()
$147
This Jettzy deal was found by Cheapflights users on 5/1. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/1![Volaris logo]()
$149
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/1![Volaris logo]()
$152
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/4![Volaris logo]()
$153
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Deal found 5/5![Volaris logo]()
$157
Find flight deals from Ontario to Cancún
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Cancún (CUN). 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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Priceline) |
One-way from | $134 (Kissandfly.com) |
Popular in | April |
Cheapest in | March |
Average price | $572 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Cancún 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 5, 2026.
Use the filters below to find and compare flights from Ontario to Cancún that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 7/9
9:36 pm-9:55 am
1 stop10h 19m
Cancun
Mon 7/13
3:35 pm-11:50 pm
1 stop10h 15m
$464
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Sat 10/24
6:32 pm-10:30 am
2 stops13h 58m
Cancun
Sat 10/31
3:51 pm-9:21 pm
1 stop7h 30m
$506
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 10/29
6:02 am-4:50 pm
1 stop8h 48m
Cancun
Tue 11/3
12:28 pm-9:21 pm
1 stop11h 53m
$506
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Tue 6/2
5:00 am-2:40 pm
1 stop7h 40m
Cancun
Tue 6/9
12:57 pm-10:37 pm
1 stop11h 40m
$506
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Thu 10/8
11:55 pm-12:40 pm
1 stop10h 45m
Cancun
Mon 10/12
4:05 pm-10:35 pm
1 stop8h 30m
$622
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 10/30
6:02 am-4:50 pm
1 stop8h 48m
Cancun
Sat 11/7
8:39 am-9:21 pm
1 stop15h 42m
$626
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 6/5
6:30 pm-2:40 pm
1 stop18h 10m
Cancun
Thu 6/18
7:51 am-9:55 pm
1 stop16h 04m
$626
Quickest round-trip
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 9/28
6:00 am-2:37 pm
1 stop6h 37m
Cancun
Wed 10/7
12:57 pm-8:16 pm
1 stop9h 19m
$626
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Fri 10/2
1:18 pm-10:06 am
2 stops18h 48m
Cancun
Fri 10/9
5:22 pm-12:12 pm
2 stops20h 50m
$630
OntarioCancún
ONT - CUN
ONTCUN
Ontario
Mon 10/12
9:20 pm-1:15 pm
2 stops13h 55m
Cancun
Mon 10/19
2:10 pm-10:35 pm
2 stops10h 25m
$635
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Cancún
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 Cancún in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Cancún flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Cancún 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-Cancún 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 Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from Ontario with our price prediction graph.
ONT-CUN
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 Cancún
Prices
More
How far ahead should I book a flight from Ontario to Cancún?
The price you pay for your flight from Ontario to Cancún may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Ontario to Cancún?
Currently, March is the cheapest month in which you can book a flight from Ontario to Cancún (average of $409). Flying from Ontario to Cancún in April is currently the most expensive (average of $589). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Cancún?
What’s the top layover airport for flights from Ontario to Cancún?
Share of 1-stop round-trip flights from Ontario to Cancún chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 29% of 1-stop itineraries from Ontario to Cancún on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Cancún?
Average round-trip fare for 1-stop flights from Ontario to Cancún, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $410.
What’s the fastest layover option from Ontario to Cancún?
Shortest average travel time for 1-stop one-way flights from Ontario to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 6h 23m.
Which airport typically offers the quickest layover for flights from Ontario to Cancún?
Average layover duration for 1-stop one-way flights from Ontario to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 19m.
Reviews of airlines servicing Cancún
Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated May 5, 2026.
Read through reviews of airlines operating flights from Ontario to Cancún, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Cancún?
Book flights to Cancún if you plan to visit one of these locationsPuerto Aventuras
Punta Sam
Holbox
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.
Alternative routes
Cancún flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Cancún
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Cancún
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 5, 2026.
Complete your trip
Complete your trip to Cancún by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Cancún by cabin class
Find flights from Ontario to Cancún, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Cancún flights
Browse other Ontario and Cancún flight options. Last updated on May 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 May 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Ontario to Cancún
Discover the top 7 airlines that operate flights from Ontario to Cancún. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$481 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$204 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$380 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$349 | Average$413 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$376 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$467 | Average$589 | FlexibilityNo cancel fee | On-time71% |