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$473+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
MBS — PWM
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap 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 February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 4/287:20 pm
MBS
-
PWM
1 stop26h 20m
United Airlines
Sat 5/25:30 am
PWM
-
MBS
2 stops8h 01m
United Airlines
Deal found 2/18$473
This United Airlines deal was found by Cheapflights users on 2/17. 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 6/262:14 pm
MBS
-
PWM
1 stop7h 44m
United Airlines
Sat 6/276:00 am
PWM
-
MBS
1 stop7h 27m
United Airlines
Deal found 2/17$1,102

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$473
(United Airlines)
Provider with most accurate pricing for Bay City MBS Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bay City MBS Intl-Portland flights.
Search Deals
From Bay City MBS Intl to Portland
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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 February 19, 2026.
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

Tue 4/28

7:20 pm-9:40 pm

1 stop26h 20m

Portland

Sat 5/2

5:30 am-1:31 pm

2 stops8h 01m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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, March is the cheapest month in which you can book a flight from Bay City to Portland, Maine (average of $50). Flying from Bay City to Portland, Maine in January is currently the most expensive (average of $143). 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 Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated February 19, 2026.
Read through reviews of airlines operating flights from Bay City to Portland, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,212 reviews
Delta
7.9
Good
8,212 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 26h 20m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 688 mi.

  • What is the cheapest airline to fly from Bay City to Portland, Maine round-trip?

    Flying on Delta is currently your cheapest option to Portland, Maine, with prices starting at $248.

  • 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, March is the cheapest month in which you can book a flight from Bay City to Portland, Maine (average of $50). Flying from Bay City to Portland, Maine in January is currently the most expensive (average of $143). 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
North Conway
Brunswick
Auburn
Conway

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Top airline flying from Bay City to Portland

Discover the top airline that operate flights from Bay City to Portland. 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$557FlexibilityNo cancel feeOn-timeN/A

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