$394+ Cheap flights from Burlington to Ontario (BTV - ONT)
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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ONT
Nov 21 — Nov 281
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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Last-minute
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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 October 22, 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 October 22, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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 11/172:22 pm -
2 stops12h 27m
Tue 12/112:20 pm -
1 stop9h 00m
Deal found 10/21![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/103:25 pm -
1 stop8h 26m
Sat 11/145:00 am -
1 stop7h 59m
Deal found 10/21![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/52:37 pm -
2 stops11h 11m
Mon 11/95:00 am -
1 stop7h 59m
Deal found 10/20![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 10/18. 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.
Thu 11/196:30 am -
2 stops15h 04m
Thu 11/2612:18 pm -
1 stop7h 22m
Deal found 10/18![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/20![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/258:54 am -
2 stops13h 56m
Fri 11/275:00 am -
1 stop7h 59m
Deal found 10/19![United Airlines logo]()
$536
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/103:25 pm -
1 stop8h 26m
Sat 11/145:00 am -
1 stop7h 59m
Deal found 10/21![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/20![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/118:54 am -
2 stops12h 07m
Wed 11/255:00 am -
1 stop7h 59m
Deal found 10/21![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/258:54 am -
2 stops13h 56m
Fri 11/275:00 am -
1 stop7h 59m
Deal found 10/19![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:00 am -
2 stops14h 35m
Sat 1/236:00 am -
2 stops12h 51m
Deal found 10/18![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops14h 36m
Fri 12/116:40 pm -
2 stops12h 37m
Deal found 10/17![United Airlines logo]()
$579
Last-minute flights from Burlington to OntarioDiscover last-minute flight deals from Burlington to Ontario. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Burlington to Ontario. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/52:37 pm -
2 stops11h 11m
Mon 11/95:00 am -
1 stop7h 59m
Deal found 10/20![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/103:25 pm -
1 stop8h 26m
Sat 11/145:00 am -
1 stop7h 59m
Deal found 10/21![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 10/20![United Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 10/21. 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 11/172:22 pm -
2 stops12h 27m
Tue 12/112:20 pm -
1 stop9h 00m
Deal found 10/21![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 10/18. 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.
Thu 11/196:30 am -
2 stops15h 04m
Thu 11/2612:18 pm -
1 stop7h 22m
Deal found 10/18![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/258:54 am -
2 stops13h 56m
Fri 11/275:00 am -
1 stop7h 59m
Deal found 10/19![United Airlines logo]()
$536
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 October 22, 2026.
Search for one-way flight options from Burlington to Ontario. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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 3/187:15 am -
2 stops11h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 10/21. 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 3/185:50 am -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 10/21. 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 3/197:15 am -
2 stops11h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 10/22. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/103:25 pm -
1 stop8h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/223:25 pm -
1 stop8h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:15 pm -
3 stops27h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/22. 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 3/1811:17 am -
3 stops37h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$628
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $404 (Delta) |
One-way from | $394 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $501 |
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 October 22, 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
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Thu 3/18
7:15 am-3:31 pm
2 stops11h 16m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$394
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Fri 3/19
5:50 am-11:27 am
1 stop8h 37m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$419
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Thu 3/18
5:50 am-11:27 am
1 stop8h 37m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$419
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Tue 11/10
3:25 pm-8:51 pm
1 stop8h 26m
Ontario
Sat 11/14
5:00 am-3:59 pm
1 stop7h 59m
$439
Quickest round-trip
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Fri 3/12
5:00 pm-10:15 pm
1 stop8h 15m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$454
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
$529
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Wed 11/11
8:54 am-6:01 pm
2 stops12h 07m
Ontario
Wed 11/25
5:00 am-3:59 pm
1 stop7h 59m
$534
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Wed 11/25
8:54 am-7:50 pm
2 stops13h 56m
Ontario
Fri 11/27
5:00 am-3:59 pm
1 stop7h 59m
$536
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Sat 1/16
6:00 am-5:35 pm
2 stops14h 35m
Ontario
Sat 1/23
6:00 am-9:51 pm
2 stops12h 51m
$539
BurlingtonOntario
BTV Burlington - ONT Ontario
BTVONT
Burlington
Wed 12/2
6:00 am-5:36 pm
2 stops14h 36m
Ontario
Fri 12/11
6:40 pm-10:17 am
2 stops12h 37m
$579
Sorted 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 October.
| 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 October 22, 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.
Overall
7.3
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.3
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
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
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Burlington to Ontario by cabin class
Find flights from Burlington to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 October 22, 2026.
Burlington and Ontario flights
Browse other Burlington and Ontario flight options. Last updated on October 22, 2026.
Other flights from Burlington
Browse through other flights departing from Burlington. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$472 | FlexibilityNo cancel fee | On-time69% |