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$270+ Cheap flights from Bangor, ME to Ontario (BGR - 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Bangor to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bangor (BGR) 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 July 3, 2025.

Round-trip from

$454
(United Airlines)

One-way from

$270
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$736
From Bangor to Ontario
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One-way flight from Bangor to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Bangor to Ontario

Cheapest flights from Bangor to Ontario
Explore the most affordable flight options available from Bangor to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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 9/68:00 amBGR - ONT
2 stops15h 33mUnited Airlines
Tue 9/96:50 pmONT - BGR
2 stops13h 17mUnited Airlines
Deal found 7/1$454
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 9/62:00 pmBGR - ONT
1 stop8h 11mDelta
Tue 9/911:45 amONT - BGR
2 stops23h 38mDelta
Deal found 7/1$497
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:44 pmBGR - ONT
1 stop10h 40mAmerican Airlines
Tue 9/910:35 pmONT - BGR
1 stop14h 39mAmerican Airlines
Deal found 7/2$887

Cheapflights Fare Finder

Customize your flight search to find flights from Bangor 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 July 3, 2025.
Use the filters below to find and compare flights from Bangor to Ontario that are best for you.

Fly from

Bangor

Fly to

Ontario

Route

Depart

Return

Price

BangorOntario

BGR - ONT

BGRONT

Bangor

Sat 9/6

8:00 am-8:33 pm

2 stops15h 33m

Ontario

Tue 9/9

6:50 pm-11:07 am

2 stops13h 17m

$454

BangorOntario

BGR - ONT

BGRONT

Bangor

Sat 9/6

2:00 pm-7:11 pm

1 stop8h 11m

Ontario

Tue 9/9

11:45 am-2:23 pm

2 stops23h 38m

$497

BangorOntario

BGR - ONT

BGRONT

Bangor

Sat 9/6

1:44 pm-9:24 pm

1 stop10h 40m

Ontario

Tue 9/9

10:35 pm-4:14 pm

1 stop14h 39m

$887

BangorOntario

BGR - ONT

BGRONT

Bangor

Fri 9/26

4:15 pm-10:30 pm

1 stop9h 15m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Bangor to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Bangor 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 Bangor to Ontario

What is the cheapest month to book a flight from Bangor, Maine to Ontario?

Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to Ontario (average of $246). Flying from Bangor, Maine 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Bangor 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
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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 Bangor 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 Bangor, Maine to Ontario round-trip?

    United Airlines, at $454, was found to be the cheapest airline from Bangor, Maine to Ontario.Alternate airlines to your destination round-trip include Delta and American Airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangor 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 Bangor, Maine to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to Ontario (average of $246). Flying from Bangor, Maine 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.

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