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$289+ Cheap flights from Portland to Bay City (PDX - MBS)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MBS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$289
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$478
From Portland to Bay City MBS Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/247:00 amPDX - MBS
1 stop6h 08mUnited Airlines
Tue 10/284:40 pmMBS - PDX
1 stop8h 53mUnited Airlines
Deal found 9/10$289
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 11/312:40 amPDX - MBS
2 stops11h 01mDelta
Wed 11/126:15 pmMBS - PDX
2 stops8h 41mDelta
Deal found 9/11$299
This Delta deal was found by Cheapflights users on 9/11. 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 10/2410:10 pmPDX - MBS
2 stops10h 10mDelta
Tue 10/283:21 pmMBS - PDX
2 stops11h 32mDelta
Deal found 9/11$354
This Delta deal was found by Cheapflights users on 9/10. 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 9/2010:45 pmPDX - MBS
1 stop9h 09mDelta
Fri 9/266:50 amMBS - PDX
1 stop6h 29mDelta
Deal found 9/10$379
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/3010:17 pmPDX - MBS
2 stops12h 12mUnited Airlines
Sat 10/187:25 amMBS - PDX
1 stop7h 16mUnited Airlines
Deal found 9/11$409

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 September 11, 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

Fri 10/24

10:46 am-9:10 pm

1 stop7h 24m

Bay City MBS Intl

Tue 10/28

4:40 pm-10:33 pm

1 stop8h 53m

$289

PortlandBay City

PDX - MBS

PDXMBS

Portland

Mon 11/3

12:40 am-2:41 pm

2 stops11h 01m

Bay City MBS Intl

Wed 11/12

6:15 pm-10:05 pm

1 stop6h 50m

$294

PortlandBay City

PDX - MBS

PDXMBS

Portland

Wed 10/15

2:15 pm-1:29 pm

1 stop20h 14m

$346

PortlandBay City

PDX - MBS

PDXMBS

Portland

Sun 10/26

10:10 pm-11:20 am

2 stops10h 10m

$348

PortlandBay City

PDX - MBS

PDXMBS

Portland

Sun 10/26

11:59 pm-9:14 pm

1 stop18h 15m

$353

PortlandBay City

PDX - MBS

PDXMBS

Portland

Wed 9/17

11:30 am-10:29 pm

1 stop7h 59m

$586

PortlandBay City

PDX - MBS

PDXMBS

Portland

Wed 9/17

1:45 pm-1:29 pm

3 stops20h 44m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 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
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.

  • How long is the flight from Portland to Bay City?

    Departing from Portland to Bay City will take you 7h 24m. There are 1881 mi between Portland and Bay City.

  • What are the cheapest airlines flying from Portland to Bay City round-trip?

    According to our current data, Delta ($378), and United Airlines ($426) offers the cheapest pricing from Portland to Bay City. Delta is 35% 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$378Average$518FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$426Average$568FlexibilityNo cancel feeOn-time69%

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