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$314+ Cheap flights from Bay City to Portland, ME (MBS - PWM)

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
MBS — PWM
Nov 2 — Nov 91
Sun 11/2
Sun 11/9
1 adult, Economy
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Cheap flight deals from Bay City to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Bay City (MBS) to Portland (PWM). 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 October 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Delta)

Popular in

August

Cheapest in

March

Average price

$407
Provider with most accurate pricing for Bay City MBS Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Bay City MBS Intl-Portland flights.
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From Bay City MBS Intl to Portland
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Highest demand for flights based on searches. 20% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Bay City to Portland

Cheapest flights from Bay City to Portland
Explore the most affordable flight options available from Bay City to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2025.

This Delta deal was found by Cheapflights users on 9/30. 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 12/1311:39 amMBS - PWM
1 stop4h 21mDelta
Tue 12/164:53 pmPWM - MBS
1 stop5h 45mDelta
Deal found 9/30$314
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Sat 10/187:25 amMBS - PWM
1 stop7h 08mUnited Airlines
Wed 10/226:14 amPWM - MBS
1 stop7h 15mUnited Airlines
Deal found 10/3$329
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sat 12/132:10 pmMBS - PWM
2 stops9h 02mUnited Airlines
Tue 12/1610:35 amPWM - MBS
2 stops10h 30mUnited Airlines
Deal found 10/2$359
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/174:43 pmMBS - PWM
1 stop5h 01mUnited Airlines
Tue 10/216:14 amPWM - MBS
1 stop7h 15mUnited Airlines
Deal found 10/2$478
This Delta deal was found by Cheapflights users on 9/30. 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 10/211:34 amMBS - PWM
1 stop4h 31mDelta
Mon 10/612:45 pmPWM - MBS
1 stop4h 57mDelta
Deal found 9/30$499

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bay City to Portland 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 October 3, 2025.
Use the filters below to find and compare flights from Bay City to Portland that are best for you.

Fly from

Bay City

Fly to

Portland

Route

Depart

Return

Price

Bay CityPortland

MBS - PWM

MBSPWM

Bay City MBS Intl

Sat 10/18

7:25 am-2:33 pm

1 stop7h 08m

Portland

Wed 10/22

6:14 am-1:29 pm

1 stop7h 15m

$329

Bay CityPortland

MBS - PWM

MBSPWM

Bay City MBS Intl

Sat 12/13

11:39 am-4:00 pm

1 stop4h 21m

Portland

Tue 12/16

4:53 pm-10:38 pm

1 stop5h 45m

$344

Bay CityPortland

MBS - PWM

MBSPWM

Bay City MBS Intl

Sat 12/13

2:10 pm-11:12 pm

2 stops9h 02m

Portland

Tue 12/16

10:35 am-9:05 pm

2 stops10h 30m

$359

Bay CityPortland

MBS - PWM

MBSPWM

Bay City MBS Intl

Fri 10/17

4:43 pm-9:44 pm

1 stop5h 01m

Portland

Tue 10/21

6:14 am-1:29 pm

1 stop7h 15m

$478

Bay CityPortland

MBS - PWM

MBSPWM

Bay City MBS Intl

Thu 10/9

12:00 pm-4:03 pm

1 stop4h 03m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Compare providers for flights from Bay City to Portland

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 Bay City to Portland in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
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 Bay City-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bay City-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bay City-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bay City-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub 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 Bay City-Portland, Maine 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 Bay City to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Bay City 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 Bay City to Portland

What is the cheapest month to book a flight from Bay City to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Bay City to Portland, Maine (average of $296). Flying from Bay City to Portland, Maine in July is currently the most expensive (average of $394). 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.

Related info for your journey

Find useful and relevant information for your journey from Bay City to Portland. 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 Bay City to Portland, Maine?

    There are many flights that can get you from Bay City to Portland, Maine in 7h 08m. Fly via United Airlines or Delta to get the fastest option. Airlines will cover a distance of 688 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Bay City to Portland that include hotel bookings?

    Yes. In addition to deals on Bay City to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bay City to Portland?

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

  • Can I find deals for business class flights from Bay City to Portland?

    Yes. Cheapflights offers flight deals from Bay City to Portland 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 Bay City to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Bay City to Portland, Maine (average of $296). Flying from Bay City to Portland, Maine in July is currently the most expensive (average of $394). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway

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