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$348+ Cheap flights from Portland to Bay City (PDX - MBS)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MBS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Portland to Bay City

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bay City (MBS). 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 29, 2025.

Round-trip from

$356
(Delta)

One-way from

$348
(United Airlines)

Popular in

November

Cheapest in

October

Average price

$578
From Portland to Bay City MBS Intl
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One-way flight from Portland to Bay City MBS Intl
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Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($29 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 Portland to Bay City

Cheapest flights from Portland to Bay City
Explore the most affordable flight options available from Portland to Bay City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 8/1911:50 amPDX - MBS
1 stop7h 39mDelta
Mon 8/256:45 pmMBS - PDX
1 stop6h 13mDelta
Deal found 7/28$356
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/2010:51 amPDX - MBS
1 stop7h 09mUnited Airlines
Tue 8/262:10 pmMBS - PDX
1 stop7h 21mUnited Airlines
Deal found 7/28$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Bay City 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 29, 2025.
Use the filters below to find and compare flights from Portland to Bay City that are best for you.

Fly from

Portland

Fly to

Bay City

Route

Depart

Return

Price

PortlandBay City

PDX - MBS

PDXMBS

Portland

Tue 8/19

11:50 am-10:29 pm

1 stop7h 39m

Bay City MBS Intl

Mon 8/25

6:45 pm-9:58 pm

1 stop6h 13m

$356

PortlandBay City

PDX - MBS

PDXMBS

Portland

Wed 8/20

10:51 am-9:00 pm

1 stop7h 09m

Bay City MBS Intl

Tue 8/26

2:10 pm-6:31 pm

1 stop7h 21m

$379

PortlandBay City

PDX - MBS

PDXMBS

Portland

Fri 9/12

4:07 pm-1:29 pm

2 stops18h 22m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Portland to Bay City

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

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

Currently, April is the cheapest month in which you can book a flight from Portland to Bay City (average of $322). Flying from Portland to Bay City in December is currently the most expensive (average of $430). 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 Bay City

Get insights into the airlines that provide service to Bay City. 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 Bay City. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Portland to Bay City, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Bay City. 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 Portland to Bay City round-trip?

    According to our current data, Delta ($356), and United Airlines ($379) offers the cheapest pricing from Portland to Bay City. Delta is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Portland to Bay City (average of $322). Flying from Portland to Bay City in December is currently the most expensive (average of $430). 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 Bay City?

Book flights to Bay City if you plan to visit one of these locations
Mount Pleasant
Frankenmuth

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Top 2 airlines flying from Portland to Bay City

Discover the top 2 airlines that operate flights from Portland to Bay City. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$378Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$567FlexibilityNo cancel feeOn-time69%

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