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Bay City

$314+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MBS
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 9/911:55 am
PDX
-
MBS
1 stop7h 18m
Delta
Sun 9/133:30 pm
MBS
-
PDX
2 stops11h 23m
Delta
Deal found 1/26$314
This United Airlines deal was found by Cheapflights users on 1/25. 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 10/177:11 am
PDX
-
MBS
1 stop6h 01m
United Airlines
Sat 11/74:40 pm
MBS
-
PDX
1 stop8h 28m
United Airlines
Deal found 1/25$324
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 2/49:45 pm
PDX
-
MBS
2 stops10h 31m
Delta
Tue 2/106:07 pm
MBS
-
PDX
2 stops8h 48m
Delta
Deal found 1/26$415
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 2/2610:38 pm
PDX
-
MBS
2 stops11h 42m
United Airlines
Sun 3/16:10 pm
MBS
-
PDX
1 stop7h 30m
United Airlines
Deal found 1/25$437
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/107:00 am
PDX
-
MBS
1 stop7h 09m
United Airlines
Sat 2/146:10 pm
MBS
-
PDX
1 stop7h 46m
United Airlines
Deal found 1/26$449
This United Airlines deal was found by Cheapflights users on 1/25. 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 10/1610:56 pm
PDX
-
MBS
2 stops11h 04m
United Airlines
Fri 11/64:40 pm
MBS
-
PDX
1 stop8h 28m
United Airlines
Deal found 1/25$505

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$437
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$484
Provider with most accurate pricing for Portland-Bay City MBS Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Bay City MBS Intl flights.
Search Deals
From Portland to Bay City MBS Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 26, 2026.
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

Thu 2/26

10:38 pm-1:20 pm

2 stops11h 42m

Bay City MBS Intl

Sun 3/1

6:10 pm-10:40 pm

1 stop7h 30m

$437

PortlandBay City

PDX - MBS

PDXMBS

Portland

Tue 2/10

7:00 am-5:09 pm

1 stop7h 09m

Bay City MBS Intl

Sat 2/14

6:10 pm-10:56 pm

1 stop7h 46m

$449

PortlandBay City

PDX - MBS

PDXMBS

Portland

Sat 3/14

7:00 am-5:50 pm

1 stop7h 50m

Bay City MBS Intl

Sun 3/22

2:08 pm-7:14 pm

1 stop8h 06m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Portland-Bay City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Bay City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Bay City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Bay City 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 Portland-Bay City 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 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, July is the cheapest month in which you can book a flight from Portland to Bay City (average of $82). Flying from Portland to Bay City in February is currently the most expensive (average of $309). 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 January 26, 2026.
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
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

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.
United Airlines
7.4
Good
9,199 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

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 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 11h 42m. 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, United Airlines ($340), and Delta ($349) offers the cheapest pricing from Portland to Bay City. United Airlines is 33% 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, July is the cheapest month in which you can book a flight from Portland to Bay City (average of $82). Flying from Portland to Bay City in February is currently the most expensive (average of $309). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$340Average$543FlexibilityNo cancel feeOn-time69%
DeltaCheapest$349Average$544FlexibilityNo cancel feeOn-timeN/A

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