$354+ Cheap flights from Seattle to Bay City (SEA - 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MBS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bay City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Bay City
Cheapest
Best
Last-minute
Cheapest flights from Seattle to Bay CityExplore the most affordable flight options available from Seattle to Bay City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Seattle to Bay City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/231:57 pm -
1 stop6h 56m
Wed 9/307:01 pm -
1 stop6h 55m
Deal found 8/18![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop8h 33m
Mon 10/53:38 pm -
1 stop9h 27m
Deal found 8/18![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 8/19. 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 9/25:30 am -
1 stop6h 33m
Sat 9/57:00 am -
1 stop6h 31m
Deal found 8/19![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:18 am -
1 stop8h 16m
Sun 9/63:44 pm -
1 stop9h 21m
Deal found 8/17![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/291:56 pm -
1 stop6h 53m
Sat 10/37:02 pm -
1 stop6h 54m
Deal found 8/18![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/20. 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 8/3111:10 pm -
1 stop8h 58m
Sun 9/63:44 pm -
1 stop9h 21m
Deal found 8/20![Delta logo]()
$469
Best flights from Seattle to Bay CityDiscover carefully curated flight deals from Seattle to Bay City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Seattle to Bay City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/231:57 pm -
1 stop6h 56m
Wed 9/307:01 pm -
1 stop6h 55m
Deal found 8/18![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/19. 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 9/25:30 am -
1 stop6h 33m
Sat 9/57:00 am -
1 stop6h 31m
Deal found 8/19![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/291:56 pm -
1 stop6h 53m
Sat 10/37:02 pm -
1 stop6h 54m
Deal found 8/19![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/20. 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 8/3111:10 pm -
1 stop8h 58m
Sun 9/63:44 pm -
1 stop9h 21m
Deal found 8/20![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/16. 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 1/611:00 am -
1 stop5h 54m
Sat 1/91:50 pm -
1 stop8h 09m
Deal found 8/16![United Airlines logo]()
$454
Last-minute flights from Seattle to Bay CityDiscover last-minute flight deals from Seattle to Bay City. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bay City. Data last updated August 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/20. 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 8/3111:10 pm -
1 stop8h 58m
Sun 9/63:44 pm -
1 stop9h 21m
Deal found 8/20![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 8/19. 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 9/25:30 am -
1 stop6h 33m
Sat 9/57:00 am -
1 stop6h 31m
Deal found 8/19![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:18 am -
1 stop8h 16m
Sun 9/63:44 pm -
1 stop9h 21m
Deal found 8/17![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/29:05 am -
2 stops11h 49m
Sat 9/59:00 am -
2 stops12h 29m
Deal found 8/19![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/231:57 pm -
1 stop6h 56m
Wed 9/307:01 pm -
1 stop6h 55m
Deal found 8/18![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop8h 33m
Mon 9/283:38 pm -
1 stop9h 27m
Deal found 8/18![Delta logo]()
$544
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/291:56 pm -
1 stop6h 53m
Sat 10/37:02 pm -
1 stop6h 54m
Deal found 8/18![United Airlines logo]()
$454
Find flight deals from Seattle to Bay City
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (United Airlines) |
Popular in | December |
Cheapest in | January |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Seattle to Bay City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBay City
SEA Seattle/Tacoma Intl - MBS Bay City MBS Intl
SEAMBS
Seattle/Tacoma Intl
Wed 9/23
1:57 pm-11:53 pm
1 stop6h 56m
Bay City MBS Intl
Wed 9/30
7:01 pm-10:56 pm
1 stop6h 55m
$354
Quickest round-trip
SeattleBay City
SEA Seattle/Tacoma Intl - MBS Bay City MBS Intl
SEAMBS
Seattle/Tacoma Intl
Wed 9/2
5:30 am-3:03 pm
1 stop6h 33m
Bay City MBS Intl
Sat 9/5
7:00 am-10:31 am
1 stop6h 31m
$424
SeattleBay City
SEA Seattle/Tacoma Intl - MBS Bay City MBS Intl
SEAMBS
Seattle/Tacoma Intl
Tue 9/29
1:56 pm-11:49 pm
1 stop6h 53m
Bay City MBS Intl
Sat 10/3
7:02 pm-10:56 pm
1 stop6h 54m
$454
SeattleBay City
SEA Seattle/Tacoma Intl - MBS Bay City MBS Intl
SEAMBS
Seattle/Tacoma Intl
Wed 1/6
11:00 am-7:54 pm
1 stop5h 54m
Bay City MBS Intl
Sat 1/9
1:50 pm-6:59 pm
1 stop8h 09m
$454
SeattleBay City
SEA Seattle/Tacoma Intl - MBS Bay City MBS Intl
SEAMBS
Seattle/Tacoma Intl
Mon 8/31
11:10 pm-11:08 am
1 stop8h 58m
Bay City MBS Intl
Sun 9/6
3:44 pm-10:05 pm
1 stop9h 21m
$469
Sorted by cheapest first
Compare providers for flights from Seattle to Bay City
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 Seattle to Bay City in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Bay City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bay City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bay City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to Bay City
Have a flexible travel schedule? Discover the best time to fly to Bay City from Seattle with our price prediction graph.
SEA-MBS
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.
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 August 21, 2026.
See what other customers who have flown with Delta and United Airlines from Seattle to Bay City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bay City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Bay City?
Book flights to Bay City if you plan to visit one of these locationsMount Pleasant
Frankenmuth
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Explore flights to Bay City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
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Seattle and Bay City flights
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Popular flight searches
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Top 2 airlines flying from Seattle to Bay City
Discover the top 2 airlines that operate flights from Seattle 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$498 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$482 | FlexibilityNo cancel fee | On-timeN/A |