HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$314+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ONT
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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.

Find flight deals from Burlington to Ontario

Cheapest flights from Burlington to Ontario
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 noviembre 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. 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.
jue. 12/184:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
sáb. 12/2711:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/25$597
This United Airlines deal was found by Cheapflights users on 11/26. 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.
jue. 12/2511:22 amBTV - ONT
1 stop14h 03mUnited Airlines
mié. 12/3111:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/26$606
This United Airlines deal was found by Cheapflights users on 11/26. 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.
jue. 12/254:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
dom. 12/2811:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/26$712
This United Airlines deal was found by Cheapflights users on 11/26. 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.
sáb. 12/204:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
vie. 12/2611:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/26$732
This Delta deal was found by Cheapflights users on 11/24. 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.
lun. 11/244:57 pmBTV - ONT
2 stops9h 55mDelta
mié. 11/2611:44 amONT - BTV
2 stops22h 48mDelta
Deal found 11/24$749
This American Airlines deal was found by Cheapflights users on 11/26. 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.
jue. 12/256:00 amBTV - ONT
2 stops13h 07mAmerican Airlines
vie. 3/66:10 amONT - BTV
2 stops10h 01mAmerican Airlines
Deal found 11/26$821
This United Airlines deal was found by Cheapflights users on 11/26. 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.
jue. 12/184:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
sáb. 1/36:10 amONT - BTV
2 stops14h 48mUnited Airlines
Deal found 11/26$825
This United Airlines deal was found by Cheapflights users on 11/26. 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.
jue. 12/254:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
vie. 12/2611:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/26$830
This United Airlines deal was found by Cheapflights users on 11/26. 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.
vie. 12/264:38 pmBTV - ONT
1 stop8h 47mUnited Airlines
mié. 12/3111:59 pmONT - BTV
1 stop7h 23mUnited Airlines
Deal found 11/26$844
This American Airlines deal was found by Cheapflights users on 11/25. 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.
jue. 12/185:41 amBTV - ONT
2 stops13h 09mAmerican Airlines
sáb. 1/37:10 amONT - BTV
2 stops13h 38mAmerican Airlines
Deal found 11/25$851
This United Airlines deal was found by Cheapflights users on 11/26. 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.
dom. 12/286:00 amBTV - ONT
1 stop19h 25mUnited Airlines
mar. 3/31:45 pmONT - BTV
2 stops21h 24mUnited Airlines
Deal found 11/26$861

Cheap 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 noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(Delta)

Popular in

December

Cheapest in

July

Average price

$473
Provider with most accurate pricing for Burlington-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Burlington-Ontario flights.
Search Deals
From Burlington to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 2,558,603 searches. Data last updated noviembre 26, 2025.
Use the filters below to find and compare flights from Burlington to Ontario that are best for you.

Fly from

Burlington

Fly to

Ontario

Route

Depart

Return

Price

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 2/4

5:23 am-11:31 am

1 stop9h 08m

Ontario

mar. 2/17

10:20 pm-12:38 pm

2 stops11h 18m

$314

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

vie. 1/30

6:47 am-11:31 am

2 stops31h 44m

Ontario

mar. 2/3

12:41 pm-11:59 pm

1 stop8h 18m

$372

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 2/11

5:23 am-11:31 am

1 stop9h 08m

Ontario

dom. 2/15

10:20 pm-4:17 pm

2 stops14h 57m

$379

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 2/11

5:23 am-11:31 am

1 stop9h 08m

Ontario

sáb. 2/14

10:20 pm-4:17 pm

2 stops14h 57m

$442

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 3/25

4:52 pm-10:25 pm

1 stop8h 33m

Ontario

mar. 3/31

6:53 pm-9:33 am

2 stops11h 40m

$444

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

sáb. 4/4

4:52 pm-10:26 pm

1 stop8h 34m

Ontario

jue. 4/9

7:00 am-11:53 pm

2 stops13h 53m

$511

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 2/4

9:46 am-8:58 pm

2 stops14h 12m

Ontario

mar. 2/17

1:45 pm-2:09 pm

3 stops21h 24m

$559

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

lun. 12/22

4:38 pm-10:25 pm

1 stop8h 47m

$393

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

jue. 12/25

4:38 pm-10:25 pm

1 stop8h 47m

$393

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 12/31

4:38 pm-10:25 pm

1 stop8h 47m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 13 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Burlington-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Burlington-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 Burlington to Ontario

What is the cheapest month to book a flight from Burlington to Ontario?

Currently, January is the cheapest month in which you can book a flight from Burlington to Ontario (average of $279). Flying from Burlington to Ontario in June is currently the most expensive (average of $364). 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 Burlington to Ontario?

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 noviembre 26, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,046 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How long is the flight from Burlington to Ontario?

    A quick flight from Burlington to Ontario can take about 9h 08m. Delta provides one of the quickest options available for as low as $314. The distance from Burlington to Ontario is about 2449 mi.

  • What are the cheapest airlines flying from Burlington to Ontario round-trip?

    United Airlines, at $319, was found to be the cheapest airline from Burlington to Ontario.Alternate airlines to your destination round-trip include American Airlines and Delta. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Burlington to Ontario that include hotel bookings?

    Yes. In addition to deals on Burlington to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Burlington to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Ontario.

  • Can I find deals for business class flights from Burlington to Ontario?

    Yes. Cheapflights offers flight deals from Burlington to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Burlington to Ontario?

    Currently, January is the cheapest month in which you can book a flight from Burlington to Ontario (average of $279). Flying from Burlington to Ontario in June is currently the most expensive (average of $364). 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.

See more FAQs

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 for Burlington to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Las Vegas flights
Hartford to San Francisco flights
Hartford to Los Angeles flights
Albany to Las Vegas flights
Albany to Los Angeles flights
Hartford to San Diego flights
Burlington to Los Angeles flights
Hartford to Palm Springs flights
Hartford to Ontario flights
Hartford to Santa Ana flights
Hartford to Reno flights
Albany to San Francisco flights
Burlington to Las Vegas flights
Hartford to San Jose flights
Burlington to San Francisco flights
Albany to San Diego flights
Hartford to Sacramento flights
Albany to Burbank flights
Albany to Santa Ana flights
Albany to Palm Springs flights
Hartford to Oakland flights
Albany to Ontario flights
Albany to Reno flights
Burlington to San Diego flights
Hartford to Burbank flights
Burlington to Medford flights
Burlington to San Jose flights
Albany to Fresno flights
Albany to San Jose flights
Rutland to Los Angeles flights
Hartford to Santa Barbara flights
Burlington to Santa Ana flights
Burlington to Sacramento flights
Hartford to San Luis Obispo flights
Hartford to Long Beach flights
Albany to Long Beach flights
Hartford to Redding flights
Hartford to Monterey flights
Burlington to Reno flights
Hartford to Bakersfield flights
Albany to Santa Barbara flights
Albany to Oakland flights
Hartford to Fresno flights
Albany to Sacramento flights
Burlington to Burbank flights
Albany to Medford flights
Albany to Bakersfield flights
Burlington to Oakland flights

Top 3 airlines flying from Burlington to Ontario

Discover the top 3 airlines 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 2,558,603 searches. Data last updated noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$319Average$489FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$574FlexibilityNo cancel feeOn-time71%
DeltaCheapest$369Average$440FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.