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Sault Ste. Marie

$372+ Cheap flights from Boston to Sault Ste. Marie (BOS - CIU)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CIU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Boston to Sault Ste. Marie

Cheapest flights from Boston to Sault Ste. Marie
Explore the most affordable flight options available from Boston to Sault Ste. Marie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 2/2412:50 pm
BOS
-
CIU
1 stop7h 01m
Delta
Tue 3/37:06 am
CIU
-
BOS
1 stop7h 07m
Delta
Deal found 1/27$372
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.
Thu 2/269:00 am
BOS
-
CIU
2 stops10h 51m
Delta
Sun 3/14:05 pm
CIU
-
BOS
1 stop7h 21m
Delta
Deal found 1/26$392
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1212:50 pm
BOS
-
CIU
1 stop7h 01m
Delta
Mon 2/167:06 am
CIU
-
BOS
1 stop7h 07m
Delta
Deal found 1/25$502
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.
Mon 7/139:30 am
BOS
-
CIU
1 stop5h 34m
United Airlines
Thu 7/163:40 pm
CIU
-
BOS
1 stop5h 53m
United Airlines
Deal found 1/26$552
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.
Mon 7/1310:30 am
BOS
-
CIU
2 stops8h 42m
Delta
Thu 7/163:55 pm
CIU
-
BOS
2 stops7h 22m
Delta
Deal found 1/26$655
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.
Mon 2/212:55 pm
BOS
-
CIU
1 stop6h 58m
Delta
Mon 2/97:08 am
CIU
-
BOS
2 stops9h 15m
Delta
Deal found 1/26$823

Find flight deals from Boston to Sault Ste. Marie

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sault Ste. Marie (CIU). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$372
(Delta)
Provider with most accurate pricing for Boston Logan Intl-Sault Ste. Marie Chippewa County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sault Ste. Marie Chippewa County flights.
Search Deals
From Boston Logan Intl to Sault Ste. Marie Chippewa County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sault Ste. Marie 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 27, 2026.
Use the filters below to find and compare flights from Boston to Sault Ste. Marie that are best for you.

Fly from

Boston

Fly to

Sault Ste. Marie

Route

Depart

Return

Price

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Tue 2/24

12:50 pm-7:51 pm

1 stop7h 01m

Sault Ste. Marie Chippewa County

Tue 3/3

7:06 am-2:13 pm

1 stop7h 07m

$372

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Thu 2/26

12:50 pm-7:51 pm

1 stop7h 01m

Sault Ste. Marie Chippewa County

Sun 3/1

4:05 pm-11:26 pm

1 stop7h 21m

$382

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Thu 2/12

8:20 am-7:51 pm

2 stops11h 31m

Sault Ste. Marie Chippewa County

Mon 2/16

7:06 am-2:13 pm

1 stop7h 07m

$512

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Mon 7/13

9:30 am-3:04 pm

1 stop5h 34m

Sault Ste. Marie Chippewa County

Thu 7/16

3:40 pm-9:33 pm

1 stop5h 53m

$552

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Mon 7/13

10:30 am-7:12 pm

2 stops8h 42m

Sault Ste. Marie Chippewa County

Thu 7/16

3:55 pm-11:52 pm

2 stops7h 57m

$655

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Sun 2/8

12:55 pm-7:53 pm

1 stop6h 58m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Boston to Sault Ste. Marie

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 Boston to Sault Ste. Marie in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Boston-Sault Ste. Marie flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sault Ste. Marie flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sault Ste. Marie flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sault Ste. Marie 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 Boston-Sault Ste. Marie 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 Boston to Sault Ste. Marie

Have a flexible travel schedule? Discover the best time to fly to Sault Ste. Marie from Boston 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.

Reviews of airlines servicing Sault Ste. Marie

Get insights into the airlines that provide service to Sault Ste. Marie. 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 Sault Ste. Marie. Reviews last updated January 27, 2026.
See what other customers who have flown with Delta from Boston to Sault Ste. Marie have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Related info for your journey

Find useful and relevant information for your journey from Boston to Sault Ste. Marie. 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 Boston to Sault Ste. Marie?

    Airlines like Delta fly from Boston to Sault Ste. Marie in about 7h 01m. The time it takes to get you to your destination can typically vary by up to . The distance from Boston to Sault Ste. Marie is about 716 mi.

  • What is the cheapest airline to fly from Boston to Sault Ste. Marie round-trip?

    Delta, at $401, was found to be the cheapest airline from Boston to Sault Ste. Marie..

  • Can I find deals for flights from Boston to Sault Ste. Marie that include hotel bookings?

    Yes. In addition to deals on Boston to Sault Ste. Marie flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Sault Ste. Marie?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Sault Ste. Marie.

  • Can I find deals for business class flights from Boston to Sault Ste. Marie?

    Yes. Cheapflights offers flight deals from Boston to Sault Ste. Marie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Boston to Sault Ste. Marie

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Top airline flying from Boston to Sault Ste. Marie

Discover the top airline that operate flights from Boston to Sault Ste. Marie. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$401Average$508FlexibilityNo cancel feeOn-timeN/A

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