HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$235+ Cheap flights from Burlington, VT 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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.

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 junio 12, 2025.

Round-trip from

$309
(Delta)

One-way from

$235
(United Airlines)

Popular in

November

Cheapest in

December

Average price

$656
From Burlington to Ontario
Search Deals
One-way flight from Burlington to Ontario
Search Deals
Highest demand for flights based on searches. 36% potential increase in price ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 23% potential price decrease ($113 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 11/46:00 amBTV - ONT
1 stop8h 24mDelta
sáb. 11/812:00 pmONT - BTV
1 stop8h 41mDelta
Deal found 6/10$309
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 8/133:15 pmBTV - ONT
1 stop8h 55mAmerican Airlines
mié. 8/2011:59 pmONT - BTV
2 stops12h 35mAmerican Airlines
Deal found 6/12$382
This United Airlines deal was found by Cheapflights users on 6/12. 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.
mar. 6/245:00 pmBTV - ONT
1 stop8h 26mUnited Airlines
mar. 7/156:28 pmONT - BTV
2 stops12h 02mUnited Airlines
Deal found 6/12$402
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2612:12 pmBTV - ONT
2 stops14h 41mAlaska Airlines
lun. 9/296:00 amONT - BTV
2 stops14h 09mAlaska Airlines
Deal found 6/10$1,051

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 junio 12, 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

mar. 11/4

6:00 am-11:24 am

1 stop8h 24m

Ontario

sáb. 11/8

12:00 pm-11:41 pm

1 stop8h 41m

$309

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mié. 8/13

3:15 pm-9:10 pm

1 stop8h 55m

Ontario

mié. 8/20

11:59 pm-3:34 pm

2 stops12h 35m

$382

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mar. 6/24

5:00 pm-10:26 pm

1 stop8h 26m

Ontario

mar. 7/15

6:28 pm-9:30 am

2 stops12h 02m

$402

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

vie. 9/26

12:12 pm-11:53 pm

2 stops14h 41m

Ontario

lun. 9/29

6:00 am-11:09 pm

2 stops14h 09m

$1,051

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

jue. 7/3

4:47 pm-10:06 pm

1 stop8h 19m

$235

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

mar. 7/29

12:07 pm-12:13 am

2 stops15h 06m

$398

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

jue. 6/19

2:25 pm-10:25 pm

2 stops11h 00m

$875

BurlingtonOntario

BTV - ONT

BTVONT

Burlington

sáb. 6/21

2:25 pm-9:13 pm

1 stop9h 48m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, Vermont to Ontario?

Currently, August is the cheapest month in which you can book a flight from Burlington, Vermont to Ontario (average of $246). Flying from Burlington, Vermont to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $309. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $382 and $402, respectively. You may be able to fly from Burlington, Vermont to Ontario for 47% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Burlington, Vermont to Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $235. Alaska Airlines flights start at $398 while deals on Delta start at $875 one-way.

  • 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, Vermont to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Burlington, Vermont to Ontario (average of $246). Flying from Burlington, Vermont to Ontario in March is currently the most expensive (average of $328). 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 Los Angeles flights
Hartford to Las Vegas flights
Hartford to San Francisco flights
Albany to Las Vegas flights
Burlington to Las Vegas flights
Hartford to Ontario flights
Hartford to Santa Ana flights
Hartford to San Diego flights
Albany to San Francisco flights
Burlington to San Diego flights
Albany to Los Angeles flights
Hartford to Burbank flights
Burlington to San Francisco flights
Hartford to Sacramento flights
Burlington to Los Angeles flights
Albany to San Diego flights
Hartford to San Jose flights
Hartford to San Luis Obispo flights
Hartford to Reno flights
Hartford to Fresno flights
Albany to Sacramento flights
Albany to Reno flights
Albany to Fresno flights
Albany to Ontario flights
Burlington to Santa Ana flights
Burlington to San Jose flights
Burlington to Reno flights
Albany to Santa Ana flights
Hartford to Oakland flights
Albany to Oakland flights
Albany to Burbank flights
Albany to San Jose flights
Burlington to Sacramento flights
Burlington to Burbank flights
Hartford to Palm Springs flights
Hartford to Long Beach flights
Albany to Medford flights
Hartford to Santa Barbara flights
Albany to San Luis Obispo flights
Albany to Palm Springs flights
Albany to Long Beach flights
Hartford to Monterey flights
Hartford to Santa Rosa flights
Albany to Santa Barbara flights
Rutland to Los Angeles flights
Lebanon to Los Angeles flights
Rutland to San Diego flights
Lebanon to San Diego flights

Top 2 airlines flying from Burlington to Ontario

Discover the top 2 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$333Average$438FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$379Average$643FlexibilityNo cancel feeOn-time71%

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.