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Maine

$99+ Cheap flights from Ontario (ONT) to Maine

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PWM
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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Find flight deals from Ontario to Maine

Cheapest flights from Ontario to Maine
Explore the most affordable flight options available from Ontario to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This American Airlines deal was found by Cheapflights users on 11/3. 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 12/69:53 amONT - BOS
1 stop7h 26mAmerican Airlines
Fri 12/131:10 pmBOS - ONT
1 stop10h 30mAmerican Airlines
Deal found 11/3$308
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:30 pmONT - BOS
1 stop8h 27mUnited Airlines
Fri 1/311:30 amBOS - ONT
1 stop8h 56mUnited Airlines
Deal found 11/2$332
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 12/67:00 amONT - BOS
1 stop8h 54mAlaska Airlines
Wed 12/117:00 amBOS - ONT
1 stop16h 00mAlaska Airlines
Deal found 11/4$335
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/67:30 pmONT - PWM
2 stops13h 27mAmerican Airlines
Mon 12/912:56 pmPWM - ONT
2 stops12h 07mAmerican Airlines
Deal found 11/3$337
This Delta deal was found by Cheapflights users on 11/3. 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 11/287:10 amONT - BOS
1 stop10h 10mDelta
Sat 12/79:15 amBOS - ONT
1 stop10h 15mDelta
Deal found 11/3$365
This Delta deal was found by Cheapflights users on 11/3. 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 12/1310:00 pmONT - PWM
2 stops11h 17mDelta
Tue 12/175:05 amPWM - ONT
2 stops14h 49mDelta
Deal found 11/3$371
This Southwest deal was found by Cheapflights users on 11/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/211:25 pmONT - BOS
2 stops8h 40mSouthwest
Sun 11/245:00 amBOS - ONT
1 stop10h 05mSouthwest
Deal found 11/3$391
This Orbitz deal was found by Cheapflights users on 11/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1611:29 amONT - BOS
1 stop9h 30mMultiple Airlines
Sun 11/2411:24 amBOS - ONT
1 stop14h 59mMultiple Airlines
Deal found 11/3$434
This Southwest deal was found by Cheapflights users on 11/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/198:35 amONT - PWM
2 stops10h 55mSouthwest
Fri 11/225:30 amPWM - ONT
2 stops11h 30mSouthwest
Deal found 11/4$468
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/126:28 pmONT - PWM
2 stops12h 58mUnited Airlines
Tue 11/191:31 pmPWM - ONT
2 stops11h 52mUnited Airlines
Deal found 11/3$546
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 12/66:00 amONT - PWM
2 stops13h 46mAlaska Airlines
Mon 12/92:24 pmPWM - ONT
2 stops12h 35mAlaska Airlines
Deal found 11/4$590
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/45:05 amONT - BGR
2 stops13h 20mUnited Airlines
Wed 12/119:30 amBGR - ONT
2 stops14h 17mUnited Airlines
Deal found 11/4$665

Find flights from Ontario to Maine within your budget

Customize your flight search to find flights from Ontario to Maine 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 12/16

6:34 pm-10:00 am

2 stops12h 26m

$99

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 12/4

6:39 am-5:10 pm

1 stop7h 31m

$143

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 12/15

10:00 pm-9:37 am

1 stop8h 37m

$154

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 11/18

10:00 am-11:59 pm

1 stop10h 59m

$168

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 2/22

1:40 pm-7:45 am

2 stops15h 05m

$175

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 2/25

7:15 pm-11:23 am

2 stops13h 08m

$203

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Thu 1/30

8:16 pm-8:12 pm

2 stops20h 56m

$127

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sun 1/5

7:30 pm-11:53 am

2 stops13h 23m

$184

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 1/2

6:30 pm-5:57 am

1 stop8h 27m

$204

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 1/31

12:58 am-11:22 pm

3 stops19h 24m

$436

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 24 results
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Best time to book a flight from Ontario to Maine

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

Travel insights for flights from Ontario to Maine

Get recent, data-driven insights about flights from Ontario to Maine including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Maine (average of $296). Flying from Ontario to Maine in April is currently the most expensive (average of $498). 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.

What is the cheapest time of day to fly from ONT to ME?

Find hourly flight availability from Ontario to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Maine as you normally would.

Rainfall in Maine by month

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

In terms of precipitation, rainfall in Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Maine when rainfall is around 2.9 in.

Temperature in Maine by month

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

If weather is an important factor for your trip to Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated November 4, 2024.
To help decide which airline to fly from Ontario to Maine, see what other customers have to say about Delta, United Airlines and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,089 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,423 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,089 reviews

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Maine?

    If you book a flight to Maine from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find flights from Ontario to Maine for under $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to Maine for under $400. The cheapest flight booked recently is on Alaska Airlines for just $308, but on average you can expect to pay $431.

  • Are there last-minute flights available from Ontario to Maine for under $500?

    There are currently 7+ open flights from Ontario to Maine within the next 7 days for less than $500.

  • What are the cheapest airlines to fly from Ontario to Maine one-way?

    One-way options have recently been found by users for as low as $99 on Frontier. Other airlines that offer cheap prices include United Airlines from $154 and American Airlines from $159 one-way.

  • What are the most popular routes from Ontario to Maine?

    When deciding which route to take from Ontario to Maine consider Ontario - Boston Logan Intl, Ontario - Portland or Ontario - Bangor as they are the most popular.

  • What does ONT to PWM mean?

    This is defined as Ontario Airport (ONT) and Portland Airport (PWM). Codes like Portland Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Bangor Airport (BGR), Augusta Airport (AUG), Presque Isle Airport (PQI), Bar Harbor Airport (BHB), Rockland Knox County Regional Airport (RKD).

  • Can I find deals for flights from Ontario to Maine that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Maine flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Maine with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Maine flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Ontario to Maine that allow pets onboard?

    Many airlines flying from Ontario to Maine offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Maine?

    Yes, you can often find last-minute deals on Ontario to Maine flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Maine flight deals updated?

    The Ontario to Maine flight deals you see on this page were last updated on 11/4.

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Maine (average of $296). Flying from Ontario to Maine in April is currently the most expensive (average of $498). 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

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Alternative routes for Ontario to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Maine

Discover the top 3 airlines that operate flights from Ontario to Maine. 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$556FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$259Average$349FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$342Average$812FlexibilityNo cancel feeOn-time69%
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