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Cheap flights from Ontario (ONT) to Maine from $142

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — PWM
May 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
1 adult, Economy
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How far in advance should I book a flight from Ontario to Maine?

Users have found that booking a flight from Ontario to Maine at least 51 days early can save you up to 147% on average compared to booking a flight this week. If booking 51 days before your flight isn’t an option for you, users have found flights from Ontario to Maine for as little as $450 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $710 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Maine?

The best pricing can be found in the month of September. Prices to Maine from Ontario average $510. You can even find prices in September for less than $510, as users have found deals to Maine from as low as $225. The month of December appears to be one of the more expensive times to travel to Maine from Ontario. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Ontario to Maine (ONT - ME)?

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.

Cheap United Airlines flights from Ontario to Maine

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Maine. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Find some of the cheapest United Airlines flights traveling from Ontario to Maine. Deals update often to give you more flight options matching your criteria
Wed 10/306:42 pmONT - BGR
2 stops13h 56mUnited Airlines
Sat 11/212:30 pmBGR - ONT
2 stops12h 35mUnited Airlines
Deal found 5/5$455
Fri 5/246:25 pmONT - PWM
2 stops22h 44mUnited Airlines
Fri 5/313:20 pmPWM - ONT
1 stop8h 28mUnited Airlines
Deal found 5/5$555
Mon 9/236:25 pmONT - PWM
2 stops13h 06mUnited Airlines
Mon 9/304:49 pmPWM - ONT
3 stops22h 43mUnited Airlines
Deal found 5/5$721
Sat 6/15:15 amONT - PWM
1 stop7h 24mUnited Airlines
Mon 6/37:15 pmPWM - ONT
2 stops20h 30mUnited Airlines
Deal found 5/5$800
Sat 5/115:15 amONT - BGR
2 stops13h 19mUnited Airlines
Sat 5/1810:36 amBGR - ONT
2 stops13h 17mUnited Airlines
Deal found 5/6$864
Tue 9/105:15 amONT - PWM
1 stop7h 31mUnited Airlines
Wed 9/113:45 pmPWM - ONT
1 stop8h 17mUnited Airlines
Deal found 5/5$929
Sat 5/116:00 amONT - PWM
2 stops12h 43mUnited Airlines
Sat 5/186:05 amPWM - ONT
3 stops17h 48mUnited Airlines
Deal found 5/5$935
Sat 8/35:20 amONT - PWM
1 stop7h 23mUnited Airlines
Sat 8/103:20 pmPWM - ONT
1 stop8h 28mUnited Airlines
Deal found 5/6$978
Wed 7/35:20 amONT - PWM
1 stop7h 23mUnited Airlines
Tue 7/93:20 pmPWM - ONT
1 stop8h 28mUnited Airlines
Deal found 5/5$1,109

Cheap American Airlines flights from Ontario to Maine

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Maine. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Some of the best deals we've found on American Airlines flights traveling from Ontario to Maine. Deals are refreshing constantly so come back soon for more options.
Wed 9/49:50 amONT - PWM
2 stops11h 52mAmerican Airlines
Sat 9/78:00 amPWM - ONT
2 stops12h 33mAmerican Airlines
Deal found 5/6$236
Wed 9/49:50 amONT - PWM
2 stops11h 52mAmerican Airlines
Sat 9/75:13 pmPWM - ONT
1 stop7h 47mAmerican Airlines
Deal found 5/6$295
Tue 9/1011:00 pmONT - PWM
1 stop9h 24mAmerican Airlines
Wed 9/186:25 pmPWM - ONT
1 stop8h 01mAmerican Airlines
Deal found 5/5$320
Wed 8/219:20 amONT - PWM
2 stops12h 20mAmerican Airlines
Sat 8/316:36 pmPWM - ONT
1 stop8h 13mAmerican Airlines
Deal found 5/5$327
Tue 9/1011:00 pmONT - BGR
1 stop9h 37mAmerican Airlines
Wed 9/185:00 pmBGR - ONT
1 stop8h 00mAmerican Airlines
Deal found 5/5$365
Wed 8/219:20 amONT - PWM
2 stops12h 20mAmerican Airlines
Sat 8/312:28 pmPWM - ONT
2 stops12h 21mAmerican Airlines
Deal found 5/5$368
Tue 9/1011:00 pmONT - BGR
1 stop9h 37mAmerican Airlines
Wed 9/115:00 pmBGR - ONT
2 stops9h 26mAmerican Airlines
Deal found 5/5$370
Wed 9/187:25 pmONT - BGR
2 stops13h 12mAmerican Airlines
Tue 9/245:00 pmBGR - ONT
1 stop8h 00mAmerican Airlines
Deal found 5/5$371
Mon 9/2311:59 pmONT - PWM
2 stops10h 27mAmerican Airlines
Mon 9/306:07 amPWM - ONT
2 stops12h 40mAmerican Airlines
Deal found 5/5$376

Cheap Ontario to Maine flights in May & June 2024

Find cheap flight options from Ontario to Maine specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
The lowest fares we've come across on flights traveling from Ontario to Maine in May and June 2024. For more flight deals, be sure to check back very soon.
Fri 5/3111:40 pmONT - PWM
1 stop10h 49mJetBlue
Wed 6/52:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$317
Wed 5/2911:40 pmONT - PWM
1 stop10h 49mJetBlue
Wed 6/52:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$361
Fri 5/3111:40 pmONT - PWM
1 stop10h 49mJetBlue
Mon 6/32:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$386
Tue 6/411:40 pmONT - PWM
1 stop10h 49mJetBlue
Tue 6/112:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$387
Sat 6/111:40 pmONT - PWM
1 stop10h 49mJetBlue
Tue 6/42:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$395
Wed 6/511:40 pmONT - PWM
1 stop10h 49mJetBlue
Wed 6/122:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/6$425
Wed 5/2911:40 pmONT - PWM
1 stop10h 49mJetBlue
Mon 6/32:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$430
Thu 5/3011:40 pmONT - PWM
1 stop10h 49mJetBlue
Tue 6/42:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$449
Sat 6/111:40 pmONT - PWM
1 stop10h 49mJetBlue
Mon 6/32:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$464

Ontario to Maine 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Maine in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
The lowest fares we've come across on flights traveling from Ontario to Maine in May and June 2024. For more flight deals, be sure to check back very soon.
Sat 9/712:45 pmONT - PWM
1 stop7h 54mDelta
Wed 9/112:40 pmPWM - ONT
1 stop10h 48mDelta
Deal found 5/5$296
Sat 9/711:49 pmONT - PWM
1 stop9h 26mJetBlue
Wed 9/111:10 pmPWM - ONT
1 stop12h 17mJetBlue
Deal found 5/4$300
Sat 9/77:00 amONT - PWM
2 stops13h 50mDelta
Wed 9/112:40 pmPWM - ONT
1 stop10h 48mDelta
Deal found 5/5$301
Tue 9/1010:59 pmONT - PWM
2 stops12h 19mDelta
Wed 9/1811:25 amPWM - ONT
2 stops10h 57mDelta
Deal found 5/5$306
Sat 9/77:00 amONT - PWM
2 stops13h 50mDelta
Wed 9/112:40 pmPWM - ONT
1 stop10h 48mDelta
Deal found 5/4$311
Wed 8/2112:45 pmONT - PWM
1 stop7h 54mDelta
Sat 8/316:05 amPWM - ONT
1 stop8h 05mDelta
Deal found 5/5$315
Fri 5/3111:40 pmONT - PWM
1 stop10h 49mJetBlue
Wed 6/52:24 pmPWM - ONT
1 stop10h 45mJetBlue
Deal found 5/5$317
Tue 9/1011:00 pmONT - PWM
1 stop9h 24mAmerican Airlines
Wed 9/186:25 pmPWM - ONT
1 stop8h 01mAmerican Airlines
Deal found 5/5$320
Wed 8/219:20 amONT - PWM
2 stops12h 20mAmerican Airlines
Sat 8/316:36 pmPWM - ONT
1 stop8h 13mAmerican Airlines
Deal found 5/5$327

Ontario to Maine flights leaving soon

Find last-minute flight options from Ontario to Maine for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Users seeking a last-minute flight from Ontario to Maine should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Sat 5/116:45 amONT - PWM
2 stops12h 56mAmerican Airlines
Sat 5/187:45 amPWM - ONT
2 stops13h 37mAmerican Airlines
Deal found 5/5$578
Tue 5/1411:40 pmONT - PWM
1 stop10h 44mJetBlue
Tue 5/212:19 pmPWM - ONT
1 stop10h 50mJetBlue
Deal found 5/5$597
Sat 5/116:00 amONT - PWM
2 stops13h 44mAmerican Airlines
Sat 5/1812:21 pmPWM - ONT
1 stop9h 41mAmerican Airlines
Deal found 5/5$700
Sun 5/126:45 amONT - BGR
2 stops13h 02mAmerican Airlines
Fri 5/171:00 pmBGR - ONT
2 stops13h 56mAmerican Airlines
Deal found 5/5$758
Sat 5/1111:40 pmONT - PWM
1 stop10h 44mJetBlue
Fri 5/172:19 pmPWM - ONT
1 stop10h 50mJetBlue
Deal found 5/5$766
Wed 5/1511:40 pmONT - PWM
1 stop10h 44mJetBlue
Sun 5/192:19 pmPWM - ONT
1 stop10h 50mJetBlue
Deal found 5/6$780
Sat 5/115:15 amONT - BGR
2 stops13h 19mUnited Airlines
Sat 5/1810:36 amBGR - ONT
2 stops13h 17mUnited Airlines
Deal found 5/6$864
Tue 5/1411:59 pmONT - PWM
2 stops12h 12mAmerican Airlines
Tue 5/217:45 amPWM - ONT
2 stops13h 37mAmerican Airlines
Deal found 5/5$870
Sat 5/117:31 amONT - PWM
2 stops11h 28mAmerican Airlines
Fri 5/1712:21 pmPWM - ONT
1 stop9h 38mAmerican Airlines
Deal found 5/5$883

One-way flights to Maine from Ontario

Search for one-way flight options from Ontario to Maine. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Users in need of a one-way flight from Ontario to Maine can choose from these deals. Users needing a return flight from Ontario to Maine should utilize the search form above.
Mon 9/1611:00 pmONT - PWM
1 stop9h 24mAmerican Airlines
Deal found 5/5$142
Mon 6/39:57 pmONT - PWM
2 stops20h 25mFrontier
Deal found 5/6$147
Sat 8/1012:45 pmONT - PWM
1 stop7h 54mDelta
Deal found 5/5$148
Fri 9/611:59 pmONT - BGR
2 stops12h 10mAmerican Airlines
Deal found 5/5$148
Tue 9/1710:59 pmONT - PWM
2 stops13h 00mDelta
Deal found 5/5$153
Fri 9/1310:59 pmONT - PWM
2 stops13h 00mDelta
Deal found 5/5$179
Tue 9/1011:00 pmONT - BGR
1 stop9h 37mAmerican Airlines
Deal found 5/5$183
Sat 8/1011:59 pmONT - PWM
2 stops12h 24mAmerican Airlines
Deal found 5/5$184
Tue 9/106:15 amONT - BGR
2 stops13h 07mAmerican Airlines
Deal found 5/5$189

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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$236 - $455

Route

Depart

Return

Price

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 9/4

2 stops11h 52m

Portland

Sat 9/7

2 stops12h 33m

$236

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 9/4

2 stops11h 52m

Portland

Sat 9/7

1 stop7h 47m

$295

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 9/7

1 stop7h 54m

Portland

Wed 9/11

1 stop10h 48m

$296

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 9/7

1 stop9h 26m

Portland

Wed 9/11

1 stop12h 17m

$300

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 9/7

2 stops13h 50m

Portland

Wed 9/11

1 stop10h 48m

$301

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 9/10

2 stops12h 19m

Portland

Wed 9/18

2 stops10h 57m

$306

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Fri 5/31

1 stop10h 49m

Portland

Wed 6/5

1 stop10h 45m

$317

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 9/10

1 stop9h 24m

Portland

Wed 9/18

1 stop8h 01m

$320

OntarioBangor

ONT - BGR

ONTBGR

Ontario

Wed 10/30

2 stops13h 56m

Bangor

Sat 11/2

2 stops12h 35m

$455

Flights are sorted by cheapest first

Deals found on 5/6

No data available for this route at this time. Please check back soon.

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 May 6, 2024.
To help decide which airline to fly from Ontario to Maine, see what other customers have to say about United Airlines, American Airlines and Delta. 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.
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,137 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,818 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

JetBlue
7.6
Good
4,535 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,090 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,697 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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 $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Maine for under $300. The cheapest flight booked recently is on American Airlines for just $236, but on average you can expect to pay $329.

  • Are there last-minute flights available from Ontario to Maine for under $600?

    There are currently 20+ open flights from Ontario to Maine within the next 7 days for less than $600.

  • 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 $142 on American Airlines. Other airlines that offer cheap prices include Frontier from $147 and Delta from $148 one-way.

  • What are the most popular airlines that fly from Ontario to Maine?

    American Airlines, Delta and United Airlines are the most popular airlines when flying from Ontario to Maine.

  • 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), Bar Harbor Airport (BHB), Augusta Airport (AUG), Presque Isle Airport (PQI), 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 5/5.

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 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$558FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$304Average$617FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$337Average$541FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Ontario to Maine by cabin class

Find flights from Ontario to Maine, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Maine?

Cheapflights makes it easy to find Ontario to Maine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Maine?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Maine.

Can Cheapflights find flights from Ontario to Maine with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Maine, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Maine become cheaper?

Yes! Start tracking prices for Ontario to Maine flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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