$303+ Cheap flights from Burlington to Ontario (BTV - ONT)
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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ONT
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Burlington to Ontario 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 Burlington to Ontario
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Cheapest flights from Burlington to OntarioExplore the most affordable flight options available from Burlington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Burlington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:25 pm -
1 stop8h 26m
Tue 11/175:00 am -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 8/30. 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.
Thu 10/295:00 pm -
2 stops9h 55m
Mon 11/212:16 pm -
1 stop8h 43m
Deal found 8/30![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:25 pm -
1 stop8h 26m
Sun 11/15:00 am -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 8/28. 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 9/175:30 am -
1 stop8h 39m
Mon 9/2112:19 pm -
1 stop8h 38m
Deal found 8/28![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:47 pm -
1 stop9h 12m
Sun 9/205:00 am -
1 stop7h 34m
Deal found 9/1![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 8/31. 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 9/255:30 am -
1 stop8h 39m
Fri 10/212:19 pm -
1 stop8h 38m
Deal found 8/31![Delta logo]()
$574
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:07 pm -
1 stop7h 46m
Sat 9/195:00 am -
1 stop7h 34m
Deal found 8/31![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 pm -
2 stops13h 41m
Sun 9/205:00 am -
1 stop7h 34m
Deal found 9/1![United Airlines logo]()
$624
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/82:29 pm -
1 stop11h 30m
Tue 10/1311:59 pm -
2 stops10h 45m
Deal found 8/28![American Airlines logo]()
$630
Best flights from Burlington to OntarioDiscover carefully curated flight deals from Burlington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Burlington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:25 pm -
1 stop8h 26m
Tue 11/175:00 am -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 8/28. 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 9/175:30 am -
1 stop8h 39m
Mon 9/2112:19 pm -
1 stop8h 38m
Deal found 8/28![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:25 pm -
1 stop8h 26m
Sun 11/15:00 am -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:47 pm -
1 stop9h 12m
Sun 9/205:00 am -
1 stop7h 34m
Deal found 9/1![United Airlines logo]()
$569
Last-minute flights from Burlington to OntarioDiscover last-minute flight deals from Burlington to Ontario. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Burlington to Ontario. Data last updated September 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:47 pm -
1 stop8h 48m
Sat 9/55:00 am -
2 stops15h 02m
Deal found 8/31![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:07 pm -
1 stop7h 46m
Sat 9/195:00 am -
1 stop7h 34m
Deal found 8/31![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:47 pm -
1 stop9h 12m
Sun 9/205:00 am -
1 stop7h 34m
Deal found 9/1![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 8/28. 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 9/175:30 am -
1 stop8h 39m
Mon 9/2112:19 pm -
1 stop8h 38m
Deal found 8/28![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:10 pm -
2 stops13h 41m
Sun 9/205:00 am -
1 stop7h 34m
Deal found 9/1![United Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 8/31. 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 9/255:30 am -
1 stop8h 39m
Fri 10/212:19 pm -
1 stop8h 38m
Deal found 8/31![Delta logo]()
$574
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:50 pm -
1 stop8h 59m
Sat 10/35:00 am -
1 stop7h 38m
Deal found 8/29![United Airlines logo]()
$649
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/82:29 pm -
1 stop11h 30m
Tue 10/1311:59 pm -
2 stops10h 45m
Deal found 8/28![American Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 8/30. 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.
Thu 10/295:00 pm -
2 stops9h 55m
Mon 11/212:16 pm -
1 stop8h 43m
Deal found 8/30![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:25 pm -
1 stop8h 26m
Sun 11/15:00 am -
1 stop7h 59m
Deal found 9/1![United Airlines logo]()
$489
One-way flights from Burlington to OntarioSearch for one-way flight options from Burlington to Ontario. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Burlington to Ontario. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:32 pm -
3 stops25h 50m
Deal found 9/1![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:53 am -
2 stops33h 55m
Deal found 9/1![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:53 am -
2 stops27h 29m
Deal found 9/1![Multiple Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/1. 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 10/162:31 pm -
2 stops25h 05m
Deal found 9/1![Delta logo]()
$363
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/82:29 pm -
1 stop11h 30m
Deal found 8/28![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:37 pm -
3 stops48h 53m
Deal found 9/1![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/812:32 pm -
3 stops55h 16m
Deal found 8/28![Multiple Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sat 10/34:05 pm -
1 stop7h 53m
Deal found 8/30![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/234:47 pm -
1 stop9h 12m
Deal found 8/28![United Airlines logo]()
$434
Find flight deals from Burlington to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Burlington (BTV) to Ontario (ONT). 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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $477 (United Airlines) |
One-way from | $303 (Kiwi.com) |
Popular in | April |
Cheapest in | May |
Average price | $454 |
Cheapflights Fare Finder
Customize your flight search to find flights from Burlington to Ontario 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 September 2, 2026.
Use the filters below to find and compare flights from Burlington to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Sat 11/14
3:25 pm-8:51 pm
1 stop8h 26m
Ontario
Tue 11/17
5:00 am-3:59 pm
1 stop7h 59m
$477
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Thu 10/29
3:25 pm-8:51 pm
1 stop8h 26m
Ontario
Sun 11/1
5:00 am-3:59 pm
1 stop7h 59m
$489
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Thu 9/17
5:30 am-11:09 am
1 stop8h 39m
Ontario
Mon 9/21
12:19 pm-11:57 pm
1 stop8h 38m
$547
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Wed 9/16
4:47 pm-10:59 pm
1 stop9h 12m
Ontario
Sun 9/20
5:00 am-3:34 pm
1 stop7h 34m
$569
Cheapest one-way
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Fri 10/16
2:31 pm-12:36 pm
2 stops25h 05m
$363
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Sat 10/17
4:50 pm-10:49 pm
1 stop8h 59m
$433
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Sun 11/22
3:25 pm-8:51 pm
1 stop8h 26m
$433
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Tue 11/24
3:25 pm-8:51 pm
1 stop8h 26m
$433
Quickest one-way
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Sat 10/3
4:05 pm-8:58 pm
1 stop7h 53m
$433
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Wed 9/23
4:47 pm-10:59 pm
1 stop9h 12m
$434
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Burlington to Ontario
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 Burlington to Ontario in September.
| 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 Burlington-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Burlington-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Burlington-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Burlington-Ontario 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 Burlington-Ontario 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 Burlington to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Burlington with our price prediction graph.
BTV-ONT
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 Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 2, 2026.
Peruse reviews from past customers who have flown with United Airlines from Burlington to Ontario 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.
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Crew
8.1
Food
6.6
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Burlington to Ontario. 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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Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Burlington and Ontario flights
Browse other Burlington and Ontario flight options. Last updated on September 2, 2026.
Other flights from Burlington
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Top airline flying from Burlington to Ontario
Discover the top airline that operate flights from Burlington to Ontario. 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 September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$489 | FlexibilityNo cancel fee | On-time69% |