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Sault Ste. Marie

$269+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CIU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$269
(United Airlines)
From Boston Logan Intl to Sault Ste. Marie Chippewa County
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Find 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 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.
Thu 9/187:45 amBOS - CIU
1 stop7h 12mUnited Airlines
Mon 9/223:35 pmCIU - BOS
1 stop5h 53mUnited Airlines
Deal found 9/10$294
This Delta deal was found by Cheapflights users on 9/9. 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 10/38:10 amBOS - CIU
1 stop7h 05mDelta
Mon 10/63:50 pmCIU - BOS
1 stop4h 11mDelta
Deal found 9/9$474
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/189:43 amBOS - CIU
1 stop5h 14mUnited Airlines
Sun 9/213:35 pmCIU - BOS
1 stop18h 21mUnited Airlines
Deal found 9/9$475
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.
Thu 10/27:05 amBOS - CIU
1 stop8h 10mDelta
Sun 10/56:55 amCIU - BOS
1 stop7h 26mDelta
Deal found 9/10$684

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 September 11, 2025.
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

Thu 9/18

7:45 am-2:57 pm

1 stop7h 12m

Sault Ste. Marie Chippewa County

Mon 9/22

3:35 pm-9:28 pm

1 stop5h 53m

$294

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Fri 10/3

8:10 am-3:15 pm

1 stop7h 05m

Sault Ste. Marie Chippewa County

Mon 10/6

3:50 pm-8:01 pm

1 stop4h 11m

$474

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Thu 9/18

9:43 am-2:57 pm

1 stop5h 14m

Sault Ste. Marie Chippewa County

Sun 9/21

3:35 pm-9:56 am

1 stop18h 21m

$475

BostonSault Ste. Marie

BOS - CIU

BOSCIU

Boston Logan Intl

Thu 10/2

5:40 am-3:15 pm

2 stops9h 35m

Sault Ste. Marie Chippewa County

Sun 10/5

6:55 am-2:21 pm

1 stop7h 26m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 2025.
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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 United Airlines fly from Boston to Sault Ste. Marie in about 7h 12m. 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 $409, 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$409Average$573FlexibilityNo cancel feeOn-timeN/A

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